wra-yd-8w&wrb-yd-8w wra-yd-8w&wrb-yd-8w wra-yd-8w&wrb-yd-8w wra-yd-8w&wrb-yd-8w wra-yd-8w&wrb-yd-8w wra-yd-8w&wrb-yd-8w wra-yd-8w&wrb-yd-8w wra-yd-8w&wrb-yd-8w series series http://www.microdc.cn technical enquiries-email:tech@microdc.cn tel:0086-20-86000646 page 1 of 4 order code input voltage range output voltage output current max. e f ficiency typ. wrb1203yd-8w 9 C 18vd c 3.3vdc 2000m a 80% wrb1205yd-8w 9 C 18vd c 5vdc 1500m a 83% wrb1212yd-8w 9 C 18vd c 12vdc 665ma 88% wrb1215yd-8w 9 C 18vd c 15vdc 535ma 87% wra1205yd-8w 9 C 18vd c 5vdc 800ma 83% wra1212yd-8w 9 C 18vd c 12vdc 335ma 87% wra1215yd-8w 9 C 18vd c 15vdc 265ma 85% wrb2403yd-8w 18 C 36vd c 3.3vdc 2000m a 80% wrb2405yd-8w 18 C 36vd c 5vdc 1500m a 83% WRB2412YD-8W 18 C 36vd c 12vdc 665ma 86% wrb2415yd-8w 18 C 36vd c 15vdc 535ma 85% wra2405yd-8w 18 C 36vd c 5vdc 800ma 82% wra2412yd-8w 18 C 36vd c 12vdc 335ma 86% wra2415yd-8w 18 C 36vd c 15vdc 265ma 85% wrb4803yd-8w 36 C 75vd c 3.3vdc 2000m a 80% wrb4805yd-8w 36 C 75vd c 5vdc 1500m a 83% wrb4812yd-8w 36 C 75vd c 12vdc 665ma 86% wrb4815yd-8w 36 C 75vd c 15vdc 535ma 86% wra4805yd-8w 36 C 75vd c 5vdc 800ma 85% wra4812yd-8w 36 C 75vd c 12vdc 335ma 87% wra4815yd-8w 36 C 75vd c 15vdc 265ma 87% *input voltage can t exceed this value,or will cause the permanent damage. model model model model model model model model selection selection selection selection selection selection selection selection wrb wrb wrb wrb wrb wrb wrb wrb 24 24 24 24 24 24 24 24 15 15 15 15 15 15 15 15 y y y y y y y y d d d d d d d d - - - - - - - - 8 8 8 8 8 8 8 8 w w w w w w w w product series input voltage output voltage wide ( 2 :1) input range dip 24 package style rated power 8 8 8 8 w, w, w, w, wide wide wide wide input, input, input, input, isolated isolated isolated isolated & & & & regulated regulated regulated regulated dual/single dual/single dual/single dual/single output output output output dc-dc dc-dc dc-dc dc-dc converter converter converter converter features features features features features features features features dip - 24 package with industry s tand ard footprint wide 2:1 input voltage range input f ilter meets en 55022,class a extended operating temperature range: -40 85 remote on/off shielded metal case with insulated baseplate lead free design, rohs compliant 3 year product warranty applications applications applications applications applications applications applications applications microdc reserves the copyright selection selection selection selection selection selection selection selection guide guide guide guide guide guide guide guide the wra-yd-8w&wrb-yd-8w wra-yd-8w&wrb-yd-8w series is a family of high performance 8w dc/dc converter modules featuring wide 2:1 input voltage ranges in a di p -24 package with industry standard footprint. a very high e f ficiency allows an operating temperature range of C 40 c to +85 c. a built-in emi input f ilter complies with en 55022, class a with external components. further standard features include remote on/off and short-circuit protection. typical applications for these converters are battery operated equipment, instrumentation, communication and industrial electronics, everywhere where isolated,tightly regulated voltages are required and space is limited on the pcb.
wra-yd-8w&wrb-yd-8w wra-yd-8w&wrb-yd-8w wra-yd-8w&wrb-yd-8w wra-yd-8w&wrb-yd-8w wra-yd-8w&wrb-yd-8w wra-yd-8w&wrb-yd-8w wra-yd-8w&wrb-yd-8w wra-yd-8w&wrb-yd-8w series series http://www.microdc.cn technical enquiries-email:tech@microdc.cn tel:0086-20-86000646 page 2 of 4 input input input input input input input input specifications specifications specifications specifications specifications specifications specifications specifications input current (no load) 12 vin models: 20 ma typ. 24 vin models: 15 ma typ. 48 vin models: 10 ma typ. input current (full load) 12 vin; 3.3 v out models: 700 ma typ. 12 vin; other output models: 820 ma typ. 24 vin; 3.3 vout models: 350 ma typ. 24 vin; other output models: 400 ma typ 48 vin; 3.3 vout models: 170 ma typ. 48 vin; other output models: 200 ma typ. surge voltage (100 msec. max.) 12 vin models: 36 v max. 24 vin models: 50 v max. 48 vin models: 100 v max. conducted noise (input) en 55022 level a, fcc part 15, level a esd (input) en 61000-4-2, perf. criteria b fast transient (input) en 61000-4-4, perf. criteria b surge (input) en 61000-4-5, perf. criteria b output output output output output output output output specifications specifications specifications specifications specifications specifications specifications specifications voltage set accuracy 2 % regulation C input variation vin min. to vin ma x 0.2 % max. C load variation 25 C 100 % single output models: 1 % max. dual output models: 1 % max. C load cross variation 25 % / 100 % 5 % max. temperature coefficient 0.02 % /k ripple and noise (20 mhz bandwidth) 50 mvpk-pk max. start up time (nominal vin and constant 600 ms typ . transient response(25% load step change) 200 s typ . short circuit protection indefinite (automatic recovery) over load protection 150% of i out max typ. foldback minimum load (only for dual output models) 10% of rated max current (operation at lower load condition will not damage these converters, however, they may not meet all listed specifications) capacitive load 3.3 vout models: 3300 f max 5 vout models / 5 vout models: 1600 f max. / 1000 f max. 12 vout models / 12 vout models: 350 f max. / 160 f max. 15 vout models / 15 vout models: 240 f max. / 100 f max. general general general general general general general general specifications specifications specifications specifications specifications specifications specifications specifications temperature ranges C operatin g C 40 c to +85 c C case temperatur e +100 c max . C storag e C 55 c to +105 c derating 3.3% /k above 70 c humidity (non condensing) 95 % rel h max.
wra-yd-8w&wrb-yd-8w wra-yd-8w&wrb-yd-8w wra-yd-8w&wrb-yd-8w wra-yd-8w&wrb-yd-8w wra-yd-8w&wrb-yd-8w wra-yd-8w&wrb-yd-8w wra-yd-8w&wrb-yd-8w wra-yd-8w&wrb-yd-8w series series http://www.microdc.cn technical enquiries-email:tech@microdc.cn tel:0086-20-86000646 page 3 of 4 outline outline outline outline outline outline outline outline dimensions dimensions dimensions dimensions dimensions dimensions dimensions dimensions dimensions in [mm], () = inch pin diameter ? 0.5 0.05 (0.02 0.00 2) tolerances 0.5 (0.02 ) pin pich tolerances 0.35 (0.014 ) spec if ication s can be changed any time without notice n c : n0 connection general general general general general general general general specifications specifications specifications specifications specifications specifications specifications specifications reliability, calculated mtbf (mil-hdbk-217f ground benign) >715000 h @ +25 isolation voltage (60sec.) C input/outpu t 1500 vd c isolation capacity C input/outpu t 300 pf max. isolation resistance C input/outpu t > 1000 m oh m switching frequency 300 khz typ. (pulse width modulation pwm) vibration 10-55hz, 2g, 30 minutes along x,y,z safety standards ul/cul 60950-1, iec/en 60950-1 compliance up to 60 vdc input voltage (selv limit ) safety approvals C ul/cu l certifications - file e188913 remote on/off on: 3.5 ... 12 vdc or open circuit off: 0 ... 1.2 vdc or short circuit pin 1 and pin 2/3 off idle current: 2.5 ma physical physical physical physical physical physical physical physical specifications specifications specifications specifications specifications specifications specifications specifications case material copper , nickel plated baseplate material non conductive fr4 potting material epoxy (ul94v-0 rated) weight 17 g (0.60 oz) soldering temperature max. 265 / 10 sec. footprint footprint footprint footprint footprint footprint footprint footprint details details details details details details details details pin pin pin pin single single single single dual dual dual dual 1 1 1 1 remote remote remote remote on/off on/off on/off on/off remote remote remote remote on/off on/off on/off on/off 2 2 2 2 C C C C vin vin vin vin (gnd (gnd (gnd (gnd C C C C vin vin vin vin (gnd (gnd (gnd (gnd 3 3 3 3 C C C C vin vin vin vin (gnd (gnd (gnd (gnd C C C C vin vin vin vin (gnd (gnd (gnd (gnd 9 9 9 9 no no no no con con con con . . . . common common common common 11 11 11 11 no no no no con con con con . . . . C C C C vou vou vou vou t t t t 14 14 14 14 +vout +vout +vout +vout +vout +vout +vout +vout 16 16 16 16 C C C C vout vout vout vout common common common common 22 22 22 22 +vin +vin +vin +vin (vcc) (vcc) (vcc) (vcc) +vin +vin +vin +vin (vcc) (vcc) (vcc) (vcc) 23 23 23 23 +vin +vin +vin +vin (vcc) (vcc) (vcc) (vcc) +vin +vin +vin +vin (vcc) (vcc) (vcc) (vcc)
wra-yd-8w&wrb-yd-8w wra-yd-8w&wrb-yd-8w wra-yd-8w&wrb-yd-8w wra-yd-8w&wrb-yd-8w wra-yd-8w&wrb-yd-8w wra-yd-8w&wrb-yd-8w wra-yd-8w&wrb-yd-8w wra-yd-8w&wrb-yd-8w series series http://www.microdc.cn technical enquiries-email:tech@microdc.cn tel:0086-20-86000646 page 4 of 4 microdc professional power module,inc. tel:0086-20-86000646 e-mail:tech@microdc.cn website:http://www.microdc.cn rohs rohs rohs rohs compliant compliant compliant compliant information information information information this series is compatible with rohs soldering systems with a peak wave solder temperature of 300 c for 10 seconds. the pin termination finish on the sip package type is tin plate, hot dipped over matte tin with nickel preplate. the dip types are matte tin over nickel preplate. both types in this series are backward compatible with sn/pb soldering systems. reach reach reach reach compliant compliant compliant compliant information information information information this series has proven that this product does not contain harmful chemicals, it also has harmful chemical substances through the registration, inspection and approval. recommended recommended recommended recommended recommended recommended recommended recommended footprint footprint footprint footprint footprint footprint footprint footprint recommended footprint top view grid:2.54mm(0.1inch) diameter:1.00mm(0.039inch) tube tube tube tube tube tube tube tube outline outline outline outline outline outline outline outline dimensions dimensions dimensions dimensions dimensions dimensions dimensions dimensions note: unit :mm[inch] general tolerances: 0.50mm[ 0.020inch] l=530mm[20.866inch] tube quantity: 15pcs l=220mm[8.661inch] tube quantity: 6pcs note: 1. the load shouldn't be less than 10%, otherwise ripple will increase dramatically. 2. operation under 10% load will not damage the converter; however, they may not meet all specification listed. 3. all specifications measured at ta=25 c, humidity<75%, nominal input voltage and rated output load unless otherwise specified. 4. in this datasheet, all the test methods of indications are based on corporate standards. 5. only typical models listed, other models may be different, please contact our technical person for more details.
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