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ge data sheet march 26, 2013 ?2012 general electric company. all rights reserved. page 1 sstw005a0f barracuda? series; dc-dc converter power modules 36-75vdc input; 3.3vdc, 5a, 15w output features ? compliant to rohs ii eu ?directive 2011/65/eu (-z versions) ? compliant to reach directive (ec) no 1907/2006 ? ultra-wide input voltage range, 36vdc to 75vdc ? no minimum load ? high efficiency ? 87.5% at full load (vin=48vdc) ? constant switching frequency ? low output ripple and noise ? small size and low profile, follows industry standard 1x1 footprint 27.9mm x 24.4mm x 8.5mm (max) (1.10 x 0.96 x 0.335 in) ? surface mount (smt) or through hole (th) ? reflow process compliant, both smt and th versions ? positive remote on/off logic ? output overcurrent/voltage protection (hiccup) ? over-temperature protection ? output voltage adjust: 90% to 110% of v o,nom ? wide operating temperature range (-40c to 85c) ? ul * recognized to ul60950-1, can/csa ? c22.2 no.60950-1, and en60950-1(vde ? 0805-1) licensed ? ce mark meets 2006/95/ec directive ? meets the voltage and current requirements for etsi 300- 132-2 and complies with and licensed for basic insulation rating per en60950-1 ? 2250 vdc isolation tested in compliance with ieee 802.3 poe standards ? iso ** 9001 and iso 14001 certified manufacturing facilities applications ? wireless networks ? hybrid power architectures ? optical and access network equipment ? enterprise networks including power over ethernet (poe) ? industrial markets options ? negative remote on/off logic ? surface mount/tape and reel (-sr suffix) description the sstw005a0f barracuda? series power modules are isolated dc-dc converters that operate over an ultra-wide input voltage range of 36vdc -75vdc and provide a single precisely regulated output voltage at 3.3vdc. this series is a low cost, smaller si ze alternative to the existing lw/law/lc/sc/sw with enhanced performance parameters. the output is fully isolated from the input, allowing versatile polarity configurations and grounding connections. the modules exhibit high efficiency of 87.5% typical at full load. built-in filtering for both input and output minimizes the need for external filtering. the module is fully self-protect ed with output over-current and over-voltage, over-temperature and input under voltage shutdown control. optional features include negative or positive on/off logic and smt connections. * ul is a registered trademark of underwriters laboratories, inc. ? csa is a registered trademark of canadian standards association. ? vde is a trademark of verband deutscher elektrotechniker e.v. this product is intended for integration into end-user equipment . all of the required procedures of end-use equipment should be followed. ieee and 802 are registered trademarks of the institute of electrical and electronics engineers, incorporated. ** iso is a registered trademark of the international organization of standards. rohs complian t
ge data sheet sstw005a0f barracuda? series; dc -dc converter power modules 36-75vdc input; 3.3vdc, 5a, 15w output march 26, 2013 ?2012 general electric company. all rights reserved. page 2 absolute maximum ratings stresses in excess of the absolute maximum ratings can cause permanent damage to the device. these are absolute stress ratings only, functional operation of the device is not implied at these or any other conditions in excess of those given in the operat ions sections of the data sheet. exposure to absolute maximum ratings for extended periods can adversely affect the device reliabili ty. parameter device symbol min max unit input voltage (continuous) all v in -0.3 80 vdc transient (100ms) all v in, trans -0.3 100 vdc operating ambient temperature all t a -40 85 c (see thermal considerations section) storage temperature all t stg -55 125 c altitude* all 4000 m i/o isolation voltage (100% factory hi-pot tested) all ? ? 2250 vdc * for higher altitude applications, contact your ge sales representative for alternative conditions of use. electrical specifications unless otherwise indicated, specifications apply over all operating input voltage, resistive load, and temperature conditions. parameter device symbol min typ max unit operating input voltage all v in 36 48 75 v dc input no load current v in = 48v dc , (i o = 0, module enabled) all i in,no load 30 ma input stand-by current all i in,stand-by 4 6 ma (v in = 48v dc , module disabled) maximum input current (v in =36v dc , i o =i o, max ) all i in,max 1.1 a dc inrush transient all i 2 t 0.05 a 2 s input reflected ripple current, peak-to-peak (5hz to 20mhz, 12 h source impedance; v in =0v to 75v dc , i o = i omax ; see test configuration section) all 30 ma p-p input ripple rejection (120hz) all 60 db emc, en55022 see emc considerations section caution: this power module is not internally fu sed. an input line fuse must always be used. this power module can be used in a wide variety of applications, ranging from simple standalone operation to being part of complex power architecture. to preserve maximum flexibility, internal fusing is not included; however, to achieve maximum safet y and system protection, always use an input line fuse. the safety agencies require a fast-acting fuse with a maximum rating of 3 a (see safety considerations section). based on the information provided in this data sheet on inrush energy and maximum dc input current, the same type of fuse with a lower rating can be used . refer to the fuse manufacturer?s data sheet for further informa tion.
ge data sheet sstw005a0f barracuda? series; dc -dc converter power modules 36-75vdc input; 3.3vdc, 5a, 15w output march 26, 2013 ?2012 general electric company. all rights reserved. page 3 electrical specifications (continued) unless otherwise indicated, specifications apply over all operating input voltage, resistive load, and temperature conditions. parameter device symbol min typ max unit output voltage set-point 3.3 v o v o, set 3.25 3.30 3.35 v dc (v in =48v dc , i o =i o, max , t a =25c) output voltage all v o -3.0 ? +3.0 % v o, set (over all operating input voltage, resistive load, and temperature conditions until end of life) adjustment range all v o, adj -10 +10 % v o, set selected by external resistor output regulation line (v in =v in, min to v in, max ) all ? 0.05 0.2 % v o, set load (i o =i o, min to i o, max ) all ? 0.05 0.2 % v o, set temperature (t ref =t a, min to t a, max ) all ? ? 1.0 % v o, set output ripple and noise on nominal output measured with 10uf tantalum||1uf ceramic (v in =48v dc , i o =80%i o, max , t a =25c) rms (5hz to 20mhz bandwidth) all ? ? 25 mv rms peak-to-peak (5hz to 20mhz bandwidth) ? ? 75 mv pk-pk external capacitance all c o, max 0 ? 1000 f output current all i o 0 ? 5.0 a dc output current limit inception (hiccup mode) all i o, lim 5.5 7.0 ? a dc output short-circuit current all i o, s/c ? ? 0.8 a rms v o 250 mv @ 25c efficiency v in =48v dc , t a =25c, i o =i o, max all 86.0 87.5 ? % switching frequency (fixed) all f sw ? 350 ? khz v in =48v dc and i o = i o, max dynamic load response ( ? i o / ? t=0.1a/ ? s, v in =48v dc , t a =25c, c o =100 ? f) load change from i o = 50% to 75% or 25% to 50% of i o,max : peak deviation all v pk ? 3.0 ? % v o, set settling time (vo<10% peak deviation) all t s ? 800 ? ? s isolation specifications parameter symbol min typ max unit isolation capacitance c iso ? 1000 ? pf isolation resistance r iso 10 ? ? m ? i/o isolation voltage all ? ? 2250 vdc general specifications parameter min typ max unit calculated reliability based upon telcordia sr-332 issue 2: method i case 3 (v in =48v dc , i o =80%xi o, max , t a =40c, airflow = 200 lfm, 90% confidence) fit 144.0 10 9 /hours mtbf 6,946,199 hours weight ? 8.0 (0.28) ? g (oz.)
ge data sheet sstw005a0f barracuda? series; dc -dc converter power modules 36-75vdc input; 3.3vdc, 5a, 15w output march 26, 2013 ?2012 general electric company. all rights reserved. page 4 feature specifications unless otherwise indicated, specifications apply over all operating input voltage, resistive load, and temperature conditions. see feature descriptions for additional information. parameter device symbol min typ max unit remote on/off signal interface (v in =v in, min to v in, max ; open collector or equivalent, signal referenced to v in- terminal) negative logic: device code suffix ?1? logic low = module on, logic high = module off positive logic: no device code suffix required logic low = module off, logic high = module on logic low - remote on/off current (v on/off = -0.7v dc ) all i on/off ? ? 0.15 ma logic low - on/off voltage all v on/off -0.7 ? 0.8 v dc logic high voltage (i on/off = 0a dc ) all v on/off 2.0 ? 18 v dc logic high maximum allowable leakage current all i on/off ? ? 25 a turn-on delay and rise times (i o =80% of i o, max , t a =25c) case 1: input power is applied for at least 1second, and then the on/off input is set from off to on (t delay = on/off pin transition until v o = 10% of v o, set ) all t delay case1 ? 10 20 ms case 2: on/off input is set to module on, and then input power is applied (t delay = v in reaches v in, min until v o = 10% of v o,set ) all t delay case2 ? 10 20 ms output voltage rise time (time for v o to rise from 10% of v o,set to 90% of v o, set ) all t rise ? 5 10 ms output voltage overshoot 3 % v o, set (i o =80% of i o, max , v in = 48v dc , t a =25c) output overvoltage protection all v o, limit 4.0 6.5 v dc input undervoltage lockout turn-on threshold all v uv/on ? 34 36 v dc turn-off threshold all v uv/off 30 32 ? v dc hysterisis all v hyst ? 2.0 ? v dc
g s 3 c t p output voltage on/off voltage g e s stw00 3 6-75vdc i n march 26, 2013 c haracteri s t he following fi p ositive or neg a efficiency, ? (%) figure 1. con v output voltage v o (v) (100mv/div) figure 3. typ i output voltage on/off voltage v o (v) (1v/div) v on/off (v) (2v/div) figure 5.typi c logic version 5a0f ba n put; 3.3v d s tic curve s gures provide a tive remote o out p verter efficie n t i cal output rip t c al start-up u s shown (v in = 4 rracuda d c, 5a, 15 w ? s typical charac o n/off logic. p ut current, i o n cy versus ou t t ime, t (2 ? s/div) ple and noise t ime, t (5ms/div) s ing remote o 4 8v, io = i o,max ) ? serie s w output ? 2012 general e teristics for th e (a) t put current. (i o = i o,max ). o n/off, negati v . s ; dc-d c lectric compan y e sstw005a0 f input current, i in (a) figu r output current output voltage io(a) (2a/div) v o (v) (100mv/div) figu r cha n c o >1 output voltage input voltage v o (v) (1v/div) v in (v) ( 2 0v/div) v e figu r i o,max ) c conver t y . all rights reser v f (3.3v, 5a) at 2 r e 2. convert e r e 4. transien t n ge from 50% 00 f v o (v) (1v/div) v in (v) ( 2 0v/div) r e 6. typical s t ) . t er pow e v ed. 5 o c. the figur e input v o e r input curre n time, t t response to to 75% to 50 % time, t t art-up using data s h e r modu e s are identica o ltage, v in (v) n t versus inpu t (1ms/div) 0.1a/s dyna % of full load, v t (5ms/div) input voltag e h eet les pag e l for either t voltage. mic load v in=48v, e (v in = 48v, i o = e 5 =
ge data sheet sstw005a0f barracuda? series; dc -dc converter power modules 36-75vdc input; 3.3vdc, 5a, 15w output march 26, 2013 ?2012 general electric company. all rights reserved. page 6 test configurations to oscilloscope current probe l test 12 h battery c s 220 f e.s.r.<0.1 ? @ 20c 100khz 33 f vin+ vin- note: measure input reflected ripple current with a simulated source inductance (l test ) of 12 h. capacitor c s offsets possible battery impedance. measure current as shown above. figure 7. input reflected ripple current test setup. note: all voltage measurements to be taken at the module terminals, as shown above. if sockets are used then kelvin connections are required at the module terminals to avoid measurement errors due to socket contact resistance. v o (+) v o ( ? ) 1uf . resi sti v e lo a d sc o p e copper strip ground plane 10uf figure 8. output ripple and noise test setup. vout+ vout- vin+ vin- r load r contact r distribution r contact r distribution r contact r contact r distribution r distribution v in v o note: all voltage measurements to be taken at the module terminals, as shown above. if sockets are used then kelvin connections are required at the module terminals to avoid measurement errors due to socket contact resistance. figure 9. output voltage and efficiency test setup. ? = v o . i o v in . i in x 100 % efficiency design considerations input source impedance the power module should be connected to a low ac-impedance source. highly inductive source impedance can affect the stability of the power module. for the test configuration in figure 7, a 33 f electrolytic capacitor (esr<0.7 ? at 100khz), mounted close to the power module helps ensure the stability of the unit. consult the factory for further application guidelines. safety considerations for safety-agency approval of the system in which the power module is used, the power module must be installed in compliance with the spacing and separation requirements of the end-use safety agency standard, i.e., ul 60950-1-3, csa c22.2 no. 60950-00, and vde 0805 (iec60950, 3 rd edition). if the input source is non-selv (elv or a hazardous voltage greater than 60 vdc and less than or equal to 75vdc), for the module?s output to be considered as meeting the requirements for safety extra-low voltage (selv), all of the following must be true: ? the input source is to be provided with reinforced insulation from any other hazardous voltages, including the ac mains. ? one v in pin and one v out pin are to be grounded, or both the input and output pins are to be kept floating. ? the input pins of the module are not operator accessible. ? another selv reliability test is conducted on the whole system (combination of supply source and subject module), as required by the safety agencies, to verify that under a single fault, hazardous voltages do not appear at the module?s output. note: do not ground either of the input pins of the module without grounding one of the output pins. this may allow a non-selv voltage to appear between the output pins and ground. the power module has extra-low voltage (elv) outputs when all inputs are elv. for input voltages exceeding ?60 vdc but less than or equal to ?75 vdc, these converters have been evaluated to the applicable requirements of basic insulation between secondary dc mains distribution input (classified as tnv-2 in europe) and unearthed selv outputs. the input to these units is to be provided with a maximum 3a time-delay fuse in the ungrounded lead.
ge data sheet sstw005a0f barracuda? series; dc -dc converter power modules 36-75vdc input; 3.3vdc, 5a, 15w output march 26, 2013 ?2012 general electric company. all rights reserved. page 7 feature description remote on/off two remote on/off options are available. positive logic turns the module on during a logic high voltage on the on/off pin, and off during a logic low. negative logic remote on/off, device code suffix ?1?, turns the module off during a logic high and on during a logic low. on/off vin+ vin- i on/off v on/off vout+ trim vout- figure 10. circuit configuration for using remote on/off implementation. to turn the power module on and off, the user must supply a switch (open collector or equivalent) to control the voltage (v on/off ) between the on/off terminal and the v in (-) terminal. logic low is 0v v on/off 0.8v. the maximum i on/off during a logic low is 1ma, the switch should be maintain a logic low level whilst sinking this current. during a logic high, the typical v on/off generated by the module is 2.4v, and the maximum allowable leakage current at v on/off = 2.4v is 25 a. if not using the remote on/off feature: for positive logic, leave the on/off pin open. for negative logic, short the on/off pin to v in (-). overcurrent protection to provide protection in a fault (output overload) condition, the unit is equipped with internal current-limiting circuitry and can endure current limiting continuously. at the point of current-limit inception, the unit enters hiccup mode. the unit operates normally once the output current is brought back into its specified range. the average output current during hiccup is 10% i o, max . overtemperature protection to provide protection under certain fault conditions, the unit is equipped with a thermal shutdown circuit. the unit will shutdown if the thermal reference point tref (figure 16), exceeds 125 o c (typical), but the thermal shutdown is not intended as a guarantee that the unit will survive temperatures beyond its rating. the module will automatically restart upon cool-down to a safe temperature. input undervoltage lockout at input voltages below the input undervoltage lockout limit, the module operation is disabled. the module will only begin to operate once the input voltage is raised above the undervoltage lockout turn-on threshold, v uv/on . once operating, the module will continue to operate until the input voltage is taken below the undervoltage turn-off threshold, v uv/off . over voltage protection the output overvoltage protection consists of circuitry that independently monitors the output voltage, and shuts the module down if the output voltage exceeds specified limits. the module shall contain hiccup restart capability. output voltage programming trimming allows the user to increase or decrease the output voltage set point of the module. this is accomplished by connecting an external resistor between the trim pin and either the vout+ pin or the vout- pin. trim down ? decrease output voltage by connecting an external resistor between the trim pin and vout+ pin (radj-down), the output voltage set point decreases (see figure 11). the following equation determines the external resistor value to obtain an output voltage change from v o,nom to the desired v o,adj : ? ? ? ? ? ? ? ? ? ? ? ? ? h v v g v r adj o nom o adj o down adj ) ( ) 5 . 2 ( , , , note: values for g and h are defined in table 1. table 1. trim constants sstw series vout+ trim vout- r adj-down r load vin+ on/off vin- figure 11. circuit configuration to decrease output voltage. trim up ? increase output voltage by connecting an external resistor between the trim pin and vout- pin (radj-up), the output voltage set point increases (see figure 12). the following equation determines the external resistor value to obtain an output voltage change from v o,nom to the desired v o,adj : ? ? ? ? ? ? ? ? ? ? ? ? ? h k v g r adj o up adj ) 5 . 2 ( 5 . 2 , note: values for g, h and k are defined in table 1. the combination of the output voltage adjustment and the output voltage initial tolerance must not exceed the allowable trim range of 90% to 110% of the nominal output voltage as measured between the vout+ and vout- pins. module g h k sstw005a0f 5110 2050 0.8
g s 3 m f f t t a t f t o r r t t e t o c p r r t m t t e c c t e m c t e r f a g e s stw00 3 6-75vdc i n m arch 26, 2013 f eature d e vin+ on/off vin- f igure 12. circ u t he sstw pow e t herefore, as t h a vailable outp u t rim example s f or sstw005a 0 o 3.10v: ? ? ? ? ? ( down adj r ? ? 1 down adj r t hermal c o t he power mo d e nvironments; h o help ensure r c onsiderations p ower dissipati eduction in th e esult in an inc r t he thermal da m easurements hermo-couple e mperatures: f c eramic capac i c onductors, w h e mperature. f o m odule output c omponents re e mperature, a s epeated for a d a mily of modu 5a0f ba n put; 3.3v d e scriptions vout+ trim vout- u it configura t e r modules ha v h e output volt a u t power is red u s 0 f, nominal 3. 3 ? ? ? ) 1 . 3 3 . 3 ( 5 ) 5 . 2 1 . 3 ( ? 280 , 1 3 o nsiderati o d ules operate i h owever, suffi c r eliable opera t include ambi e on, and the n e e operating te m r ease in reliabi ta presented h taken in a wi n instrumentati o f ets, diodes, c o i tors, opto-isol a h ile controlling o r a given airfl o power is incre aches its maxi s defined in ip c d ifferent airflo w le output dera t rracuda d c, 5a, 15 w ? (continued) r adj-up t ion to increa s v e a fixed curr e a ge is adjusted u ced. 3 v module. to ? ? ? ? 2050 ) 5 110 o ns n a variety of t c ient cooling s h t ion. e nt temperatu r e ed for increas e m perature of t h lity. h ere is based o n d tunnel, usin g o n to monitor k o ntrol ics, ma g a tors, and mo d the ambient a o w and ambie ased, until on e mum derated c -9592a. this p w or ambient t t ing curves is o ? serie s w output ? 2012 general e r load s e output volt a e nt-limit set p o down, the trim module d ? hermal h ould be provi d r e, airflow, mo d e d reliability. a h e module will n physical g automated k ey compone n g netic cores, d ule pwb irflow rate an d nt temperatur e e (or more) of t h operating p rocedure is t h t emperature u n o btained. s ; dc-d c lectric compan y a ge. o int. own d ed d ule n t d e , the h e h en n til a figu output current, i o (a) figur e sstw direc t the t sho w sho u figu he a incr e via c curr e c conver t y . all rights reser v re 13. therm a local a e 14. output c 005a0f in the t ion from vin( - t hermal refere w n in figure 1 5 u ld not exceed re 15. t ref te m a t transfer vi e ased airflow o c onvection. d e e nt that can b e t er pow e v ed. a l test setup . a mbient tem p c urrent derati n transverse o - ) to vin(+); vi n nce point, t ref 5 . for reliable o 111 o c. m perature me a a convectio n o ver the modu l e rating figures e delivered by e data sh e e r modu p erature, t a ( ? n g for the op e o rientation; ai r n = 48v. used in the sp e o peration this t a surement l o n l e enhances th showing the m e ach module v e et les pag e ? c) e n frame r flow e cifications is t emperature o cation. e heat transfe m aximum outp u v ersus local e 8 r u t
g s 3 a 3 c p p d d e f c f f f p l t u c m c m p f s g e s stw00 3 6-75vdc i n march 26, 2013 a mbient temp e 3 m/s (600 ft./ m c urves section. p lease refer to t p rocess for op d etailed discus s d evice temper a e mc requi r f igure 16 sho w c onducted emi s f igure 16. sug g ref c1 , c c4, l l f igure 17. em c f or further info p lease refer to t l ayout co n t he sstw pow e u sed in fine pit c c omponent cle a m odule and th e c opper areas o m odule. also a p ower module. f or additional l a s heet. 5a0f ba n put; 3.3v d e rature (t a ) for n m in) are shown t he applicatio n en-frame boa s ion of therm a a tures. r ements w s a maximum s sion limits of e g ested config u des c 2, c3 c5 1 2 c signature us i rmation on de s t he fltr100v 1 n sideratio n e r module seri e c h system car d a rance betwe e e mounting bo n the outer la y void placing vi a yout guide-li n rracuda d c, 5a, 15 w ? n atural conve c in the respecti v n note ?therm a rd-mounted p o a l aspects inclu filter configur a e n55022 clas s u ration for en 2 3 4 m 10 i ng above filt e s igning for em c 1 0 data sheet ( n s e s are low pro f d architecture s e n the bottom a rd is limited. a y er directly un d a interconnec t n es, refer to th e ? serie s w output ? 2012 general e c tion and up t o v e characteris a l characteriz a o wer modules ? ding maximu m a tion to meet t h s b. 55022 class b filter .2uf/100v 3 3nf y cap m h cm choke uh inductor e r, sstwa. c compliance, fds01-043ep s f ile in order to b s . as such, of the power a void placing d erneath the p o t s underneath e fltr100v10 s ; dc-d c lectric compan y o tics a tion ? for a m h e b . s ). b e o wer the data the s thr o thr the sac com sing l roh s free 3 ? c / that 210 ? ? su r pic k the s ope n ass e the s ma g not e figu z pl a the ? no m no z the fra m whe vari a plac pro c the ope r will s 6.5 m c conver t y . all rights reser v s stw family o f o ugh-hole (th) ough-hole s rohs-complia (sn/ag/cu) pb - ponents. the y l e or dual wav e s -compliant fi n wave solderin g / s is suggested the temperat u ? ? r face mou n k and place s stw-sr serie n -frame const r e mbly within a s stw-sr serie g netic compon e e : all dimensio n re 18. pick an d a ne height ? z? plane heigh m inal with an r s z zle recomm e module weigh t m e constructio n n compared w a bles such as n ement speed s c ess. minimum rec o r ation is 5mm. s afely fit withi n m m. t er pow e v ed. f power modul or surface mo s oldering i n nt (z codes) th r - free solder an y are designed e soldering m a n ish that is co m g processes. a . the wave pr e u re of the pow e er, the recom m b -free solder p o o compatible w the reflow sol a dditional info g e representat n t informa t s of dc-to-dc r uction and ar e fully automat e s modules are e nt surface to n s in mm [in]. d place locati o t of the pick a n s s tolerance o f e ndations t has been ke p n . even so, the y w ith conventio n n ozzle size, tip s hould be con s o mmended no z the maximu m n the allowable data s h e r modu es is available unt (smt) sold e n formation r ough-hole pr o d rohs-compl to be process e a chines. the pi m patible with b maximum pr e e heat process e r module boa m ended pot te m o t is 270 ? c m a w ith paste-in-h dering inform a rmation is nee ive for more d e t ion power conver t e designed for e d manufactur i designed to u s allow for pick a o n. n d place locati o f +/-0.25 mm. p t to a minimu m y have a relati v n al smt compo style, vacuum s idered to opti m z zle diameter f o m nozzle outer d component s p h eet les pag e for either e ring. o ducts use the iant e d through ns have an b oth pb and p b e heat rate of should be suc h rd is kept belo w m perature is a x. the throug ole reflow a tion section f o ded, please e tails. t ers use an surface moun t i ng process. s e the main a nd place. o n is 7.50mm m by using op e v ely large ma s nents. pressure and m ize this o r reliable d iameter, whic p acing, is e 9 b - h w h o r t e n s s h
ge data sheet sstw005a0f barracuda? series; dc -dc converter power modules 36-75vdc input; 3.3vdc, 5a, 15w output march 26, 2013 ?2012 general electric company. all rights reserved. page 10 oblong or oval nozzles up to 11 x 6 mm may also be used within the space available. for further information please contact your local ge technical sales representative. reflow soldering information these power modules are large mass, low thermal resistance devices and typically heat up slower than other smt components. it is recommended that the customer review data sheets in order to customize the solder reflow profile for each application board assembly. the following instructions must be observed when smt soldering these units. failure to observe these instructions may result in the failure of or cause damage to the modules, and can adversely affect long-term reliability. there are several types of smt reflow technologies currently used in the industry. these surface mount power modules can be reliably soldered using natural forced convection, ir (radiant infrared), or a combination of convection/ir. the recommended linear reflow profile using sn/pb solder is shown in figure 19 and 20. for reliable soldering the solder reflow profile should be established by accurately measuring the modules cp connector temperatures. reflow temp ( ? c) reflow time (s) figure 19. recommended reflow profile for sn/pb solder. max temp solder ( ? c) time limit (s) figure 20. time limit, t lim , curve above 205 o c reflow . lead free soldering the ?z version smt modules of the sstw series are lead-free (pb-free) and rohs compliant and are compatible in a pb-free soldering process. failure to observe the instructions below may result in the failure of or cause damage to the modules and can adversely affect long-term reliability. figure 21. recommended linear reflow profile using sn/ag/cu solder. msl rating the sstw001a3b series smt modules have a msl rating of 2a. 0 50 10 0 15 0 200 250 300 p reheat zo ne max 4 o cs -1 so ak zone 30-240s heat zone max 4 o cs -1 p eak temp 235 o c cooling zo ne 1- 4 o cs -1 t lim above 205 o c 200 205 210 215 220 225 230 235 240 0 10 203040 5060 per j-std-020 rev. c 0 50 100 150 200 250 300 reflow time (seconds) reflow temp (c) heating zone 1c/second peak temp 260c * min. time above 235c 15 seconds *time above 217c 60 seconds cooling zone
ge data sheet sstw005a0f barracuda? series; dc -dc converter power modules 36-75vdc input; 3.3vdc, 5a, 15w output march 26, 2013 ?2012 general electric company. all rights reserved. page 11 surface mount information (continued) pb-free reflow profile power systems will comply with j-std-020 rev. c (moisture/reflow sensitivity classification for nonhermetic solid state surface mount devices) for both pb-free solder profiles and msl classification procedures. this standard provides a recommended forced-air-convection reflow profile based on the volume and thickness of the package (table 4-2). the suggested pb-free solder paste is sn/ag/cu (sac). the recommended linear reflow profile using sn/ag/cu solder is shown in figure 22. post solder cleaning and drying considerations post solder cleaning is usually the final circuit board assembly process prior to electrical board testing. the result of inadequate cleaning and drying can affect both the reliability of a power module and the testability of the finished circuit board assembly. for guidance on appropriate soldering, cleaning and drying procedures, refer to lineage power board mounted power modules: soldering and cleaning application note (an04-001). layout recommendations dimensions are in millimeters and [inches]. tolerances: x.x mm ? 0.5 mm [x.xx in. ? 0.02 in.] (unless otherwise indicated) x.xx mm ? 0.25 mm [x.xxx in ? 0.010 in.] smt layout through hole layout
ge data sheet sstw005a0f barracuda? series; dc -dc converter power modules 36-75vdc input; 3.3vdc, 5a, 15w output march 26, 2013 ?2012 general electric company. all rights reserved. page 12 packaging details the sstw005a0f-sr series smt versions are supplied in tape & reel as standard. details of tape dimensions are shown below. modules are shipped in quantities of 150 modules per reel. tape dimensions dimensions are in millimeters and [inches]. tolerances: x.x mm ? 0.5 mm [x.xx in. ? 0.02 in.] (unless otherwise indicated) x.xx mm ? 0.25 mm [x.xxx in ? 0.010 in.] the sstw005a0f - series through hole versions are supplied in trays as standard. details of tray dimensions are shown below. modules are shipped in quantities of 75 modules per box. tray dimensions dimensions are in millimeters. tolerances: x.x mm ? 0.5 mm (unless otherwise indicated) x.xx mm ? 0.25 mm material pet (1mm) max surface resistivity 10 9 -10 11 ? /pet color clear capacity 25power modules min order quantity 75pcs (1 box of 3 full trays + 1 empty top tray)
g s 3 m d t g e s stw00 3 6-75vdc i n march 26, 2013 m echanica d imensions ar e t olerances: x.x x.x x s bo t pin fu n 1 vi 2 v 3 on 4 vo 5 t r 6 vo 5a0f ba n put; 3.3v d l outline f o e in millimeter s mm ? 0.5 mm x mm ? 0.25 m top view s ide view t tom view n ction i n + v in - /off o ut - r im o ut + rracuda d c, 5a, 15 w ? o r sstw00 s and [inches]. [x.xx in. ? 0.02 m m [x.xxx in ? 0 ? serie s w output ? 2012 general e 5a0f surf a in.] (unless ot h 0 .010 in.] s ; dc-d c lectric compan y a ce-mount h erwise indica t c conver t y . all rights reser v module t ed) t er pow e v ed. data s h e r modu h eet les page 1 1 3
g s 3 m m d t g e s stw00 3 6-75vdc i n m arch 26, 2013 m echanica d imensions ar e t olerances: x.x x.x x s bo t pin fun c 1 v i 2 vi 3 on / 4 vo 5 t r 6 v o 5a0f ba n put; 3.3v d l outline f o e in millimeter s mm ? 0.5 mm x mm ? 0.25 m top view s ide view t tom view c tion n + i n - / off o ut - r im ut + rracuda d c, 5a, 15 w ? o r sstw00 s and [inches]. [x.xx in. ? 0.02 m m [x.xxx in ? 0 ? serie s w output ? 2012 general e 5a0f thro u in.] (unless ot h 0 .010 in.] s ; dc-d c lectric compan y u gh hole m h erwise indica t c conver t y . all rights reser v m odule t ed) t er pow e v ed. data sh e e r modu e et les page 1 1 4
ge data sheet sstw005a0f barracuda? series; dc -dc converter power modules 36-75vdc input; 3.3vdc, 5a, 15w output contact us for more information, call us at usa/canada: +1 888 546 3243 , or +1 972 244 9288 asia-pacific: +86.021.54279977*808 europe, middle-east and africa: +49.89.878067-280 india: +91.80.28411633 www.ge.com/powerelectronics march 26, 2013 ?2012 general electric com pany. all rights reserved. version 1.0 ordering information please contact your ge sales representative for pricing, availability and optional features. device codes device code input voltage range output current output voltage remote on/off logic connector type comcode sstw005a0f41z 48v (36-75vdc) 5.0a 3.3v negative through hole 150030881 sstw005a0f41-srz 48v (36-75vdc) 5.0a 3.3v negative surface mount 150030880 device options

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