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| varistor products ?2012 littelfuse, inc. revision: july 5, 2012 tmov ? 34s varistor series industrial high energy thermally protected varistors > tmov ? 34s series speci?cations are subject to change without notice. please refer to www.littelfuse.com/series/tmov34s.html for current information. hiCenergy movs tmov ? 34s series description the littelfuse tmov ? 34s thermally protected varistor series consists of a 34mm square format varistor element (mov) with an integral thermally activated element. this element is designed to open in the event of overheating due to abnormal overvoltage, limited current conditions. certain tmov ? 34s devices are offered with a "monitor" lead which may be connected to signalling circuity to indicate if the mov has been disconnected from the circuit. tmov ? 34s series devices offer quick thermal response due to the close proximity of the integrated thermal element to the mov body. the integrated con?guration also offers lower inductance than most discreet solutions resulting in improved clamping performance to fast over voltage transients. features t 6 4 q b u f o u g p s u i f s n b m m z protected mo vC p atent # 6636403 t ) j h i q f b l d v s s f o u rating to 40 ka t ? $ u p ? $ operating temp t 3 p ) 4 $ p n q m j b o u b o e leadCfree available t " m u f s o b u j w f e f t j h o available with narrow 3mm wide monitor (right) lead t " m u f s o b u j w f e f t j h o available with 2 leads only (no monitor lead) applications rohs t 4 1 % 5 7 4 4 1 s p e v d u t t " $ 1 b o f m 1 s p u f d u j p o modules t " $ - j o f 1 p x f s supplies t " $ 1 p x f s . f u f s t t 6 1 4 6 o j o u f s s v q u b c m f power supply) t * o w f s u f s t t " $ % $ 1 p x f s 4 v q q m j f t t % * / 3 b j m tmov ? 34s varistor series agency approvals agency agency file number status 6 - s e & e j u j p o & * & $ $ & $ $ 4 q f d 2 $ $ 2 $ " * & $ " o o f y 2 & ' * & $ * & $ * & $ " o o f y 2 varistor products ?2012 littelfuse, inc. revision: july 5, 2012 tmov ? 34s varistor series industrial high energy thermally protected varistors > tmov ? 34s series speci?cations are subject to change without notice. please refer to www.littelfuse.com/series/tmov34s.html for current information. absolute maximum ratings t ' p s s b u j o h t p g j o e j w j e v b m n f n c f s t p g b t f s j f t t f f % f w j d f 3 b u j o h t b o e 4 q f d j m d b u j p o t d i b s u continuous tmov34s series units steady state applied voltage: " $ 7 p m u b h f 3 b o h f 7 . " $ 3 . 4 ) u p v transients: 1 f b l 1 v m t f $ v s s f o u * tm ) ' p s s current wave, single pulse up to 40,000 a 4 j o h m f 1 v m t f & o f s h z 3 b o h f ' p s n t $ v s s f o u 8 b w f u p j 0 q f s b u j o h " n c j f o u 5 f n q f s b u v s f 3 b o h f 5 a ) u p ? $ 4 u p s b h f 5 f n q f s b u v s f 3 b o h f 5 stg ) u p ? $ temperature coef?cient (a v ) of clamping voltage (v c ) at speci?ed test current ? $ ) j o 1 p u & o d b q t v m b u j p o * t p m b u j p o 7 p m u b h f $ b q b c j m j u z v $ 0 " 5 * / ( * o t v m b u j p o 3 f t j t u b o d f m * contact your littelfuse product representative to discuss alternatives and for additional information. $ " 6 5 * 0 / 4 u s f t t f t b c p w f u i p t f m j t u f e j o i " c t p m v u f . b y j n v n 3 b u j o h t w n b z d b v t f q f s n b o f o u e b n b h f u p u i f e f w j d f 5 i j t j t b t u s f t t p o m z s b u j o h b o e p q f s b u j p o of the device at these or any other conditions above those indicated in the operational sections of this speci?cation is not implied. varistor products ?2012 littelfuse, inc. revision: july 5, 2012 tmov ? 34s varistor series industrial high energy thermally protected varistors > tmov ? 34s series speci?cations are subject to change without notice. please refer to www.littelfuse.com/series/tmov34s.html for current information. hiCenergy movs tmov ? 34s series tmov ? 34s series ratings & speci?cations - standard 3 lead design leadCfree and rohs compliant models maximum rating (85c) speci?cations (25c) continuous transient varistor voltage at 1ma test current maximum clamping volt v c at 200a current (8/20s) typical capaci- tance f = 1mhz ac volts dc volts mcov surge arrester energy 2ms peak current 8 x 20s part number branding v . " $ 3 . 4 v m(ac) v . " $ 3 . 4 w tm 1 x pulse i tm 1 x pulse v / % $ min v / % $ max v c c (v) (v) (j) (a) (v) (v) (v) (pf) 5 . 0 7 4 . 1 5 . 0 7 4 . 1 40000 202 5 . 0 7 4 . 1 5 . 0 7 4 . 1 40000 5 . 0 7 4 . 1 5 . 0 7 4 . 1 340 40000 5 . 0 7 4 . 1 5 . 0 7 4 . 1 200 360 40000 5 . 0 7 4 . 1 5 . 0 7 4 . 1 240 400 40000 5 . 0 7 4 . 1 5 . 0 7 4 . 1 200 430 40000 5 . 0 7 4 . 1 5 . 0 7 4 . 1 330 40000 5 . 0 7 4 . 1 5 . 0 7 4 . 1 234 40000 5 . 0 7 4 . 1 5 . 0 7 4 . 1 300 400 40000 433 5 . 0 7 4 . 1 5 . 0 7 4 . 1 320 420 640 40000 462 5 . 0 7 4 . 1 5 . 0 7 4 . 1 330 40000 5 . 0 7 4 . 1 5 . 0 7 4 . 1 460 40000 5 . 0 7 4 . 1 5 . 0 7 4 . 1 40000 3300 5 . 0 7 4 . 1 5 . 0 7 4 . 1 420 40000 3000 5 . 0 7 4 . 1 5 . 0 7 4 . 1 460 40000 642 5 . 0 7 4 . 1 5 . 0 7 4 . 1 640 40000 5 . 0 7 4 . 1 5 . 0 7 4 . 1 434 40000 5 . 0 7 4 . 1 5 . 0 7 4 . 1 40000 5 . 0 7 4 . 1 5 . 0 7 4 . 1 40000 2200 5 . 0 7 4 . 1 5 . 0 7 4 . 1 620 40000 5 . 0 7 4 . 1 5 . 0 7 4 . 1 660 40000 2000 5 . 0 7 4 . 1 5 . 0 7 4 . 1 40000 5 . 0 7 4 . 1 5 . 0 7 4 . 1 40000 2000 / p u f t 4 b n f s b u j o h t b o e t q f d j m d b u j p o t b q q m z u p m f b e f e b m u f s o b u j w f e f t j h o 3 f q m b d f h . h x j u i h & h j o q b s u o v n c f s 3 f g f s u p 1 b s u / v n c f s j o h 4 z t u f n b u u i f f o e p g u i j t e p d v n f o u varistor products ?2012 littelfuse, inc. revision: july 5, 2012 tmov ? 34s varistor series industrial high energy thermally protected varistors > tmov ? 34s series speci?cations are subject to change without notice. please refer to www.littelfuse.com/series/tmov34s.html for current information. tmov ? 34s series ratings & speci?cations - alternative 2 lead design leadCfree and rohs compliant models maximum rating (85c) speci?cations (25c) continuous transient varistor voltage at 1ma test current maximum clamping volt v c at 200a current (8/20s) typical capaci- tance f = 1mhz ac volts dc volts mcov surge arrester energy 2ms peak current 8 x 20 s part number branding v . " $ 3 . 4 v m(ac) v . " $ 3 . 4 w tm 1 x pulse i tm 1 x pulse v / % $ min v / % $ max v c c (v) (v) (j) (a) (v) (v) (v) (pf) 5 . 0 7 4 & 1 5 . 0 7 4 & 1 40000 202 5 . 0 7 4 & 1 5 . 0 7 4 & 1 40000 5 . 0 7 4 & 1 5 . 0 7 4 & 1 340 40000 5 . 0 7 4 & 1 5 . 0 7 4 & 1 200 360 40000 5 . 0 7 4 & 1 5 . 0 7 4 & 1 240 400 40000 5 . 0 7 4 & 1 5 . 0 7 4 & 1 200 430 40000 5 . 0 7 4 & 1 5 . 0 7 4 & 1 330 40000 5 . 0 7 4 & 1 5 . 0 7 4 & 1 234 40000 5 . 0 7 4 & 1 5 . 0 7 4 & 1 300 400 40000 433 5 . 0 7 4 & 1 5 . 0 7 4 & 1 320 420 640 40000 462 5 . 0 7 4 & 1 5 . 0 7 4 & 1 330 40000 5 . 0 7 4 & 1 5 . 0 7 4 & 1 460 40000 5 . 0 7 4 & 1 5 . 0 7 4 & 1 40000 3300 5 . 0 7 4 & 1 5 . 0 7 4 & 1 420 40000 3000 5 . 0 7 4 & 1 5 . 0 7 4 & 1 460 40000 642 5 . 0 7 4 & 1 5 . 0 7 4 & 1 640 40000 5 . 0 7 4 & 1 5 . 0 7 4 & 1 434 40000 5 . 0 7 4 & 1 5 . 0 7 4 & 1 40000 5 . 0 7 4 & 1 5 . 0 7 4 & 1 40000 2200 5 . 0 7 4 & 1 5 . 0 7 4 & 1 620 40000 5 . 0 7 4 & 1 5 . 0 7 4 & 1 660 40000 2000 5 . 0 7 4 & 1 5 . 0 7 4 & 1 40000 5 . 0 7 4 & 1 5 . 0 7 4 & 1 40000 2000 / p u f t 4 b n f s b u j o h t b o e t q f d j m d b u j p o t b q q m z u p m f b e f e e f t j h o 3 f q m b d f h & h x j u i h . h j o q b s u o v n c f s 3 f g f s u p 1 b s u / v n c f s j o h 4 z t u f n b u u i f f o e p g u i j t e p d v n f o u varistor products ?2012 littelfuse, inc. revision: july 5, 2012 tmov ? 34s varistor series industrial high energy thermally protected varistors > tmov ? 34s series speci?cations are subject to change without notice. please refer to www.littelfuse.com/series/tmov34s.html for current information. hiCenergy movs tmov ? 34s series pulse rating curve hx34 50,000 20,000 10,000 5,000 2,000 1,000 500 200 100 50 20 10 20 100 1,000 10,000 surge curren t (a) impulse dura t ion ( s) 15 1 indefini te 10 5 10 2 2 10 3 10 4 10 6 peak current & energy derating curve typical time to open circuit under ul1449 abnormal overvoltage limited current test 0.1 1 10 10 100 1000 100 0 time s 0.125 a 0.5 a 2.5 a 5 a typical vCi characteristic curves for tmov ? 34s varistor 1000 10000 1ma 10ma 100ma 1a 10a 100a? 10000a 100000a ta = -55 c to 85c v751 v681 v661 v571 v551 v511 v391 v3 5 1 v331 v321 v271 v25 1 v201 v181 v1 51 v141 v 111 v131 v301 v481 v461 v421 100 1000a maximum clamping voltage tmov34s series current - amps voltage - volts / p u f 5 i f * o e v t u s j b m 5 . 0 7 ? series tmov ? 34s devices are intended, in conjunction with appropriate enclosure e f t j h o u p i f m q g b d j m j u b u f 4 1 % n p e v m f d p n q m j b o d f u p 6 - 4 f d u j p o " c o p s n b m 0 w f s w p m u b h f - j n j u f e $ v s s f o u 3 f r v j s f n f o u t 6 o e f s u i f t f f y u s f n f b c o p s n b m overvoltage conditions, the units will exhibit substantial heating and potential venting prior to opening. modules should be designed to contain this possibility. application testing is strongly recommended. ' p s b q q m j d b u j p o t f y d f f e j o h ? $ b n c j f o u u f n q f s b u v s f u i f q f b l surge current and energy ratings must be reduced as shown. 0 20 40 60 80 100 -55 50 60 70 80 90 100 110 120 130 ambient temperature (oc) percent of rated valu e figure 1 figure 2 figure 3 figure 4 varistor products ?2012 littelfuse, inc. revision: july 5, 2012 tmov ? 34s varistor series industrial high energy thermally protected varistors > tmov ? 34s series speci?cations are subject to change without notice. please refer to www.littelfuse.com/series/tmov34s.html for current information. r led line fuse tmov34s m varistor neutral line to protected circuit 1 2 3 3 21 thermal fuse element mov thermal fuse element mov monitor lead monitor lead lead con?gurations tmov ? 34s "e" 2-lead varistor tmov ? 34s varistor application examples the application examples below show how the monitor lead on the tmov ? 34s can be used to indicate that the thermal element has been opened. this signi?es that the circuit is no longer protected from transients by the mov. application example 1 * o u i j t d b t f u i f - & % j t o p s n b m m z p o b o e j t p g g x i f o u i f thermal element opens. application example 2 this circuit utilizes an optocoupler to provide galv anic isolations bet ween the tmov ? 34s varistor and the indicating or alarm circuitry. application example 3 this circuit illustrates the use of the monitoring lead of the tmo v ? 34s varistor to ensure that equipment is only p q f s b u f e x i f o p w f s w p m u b h f q s p u f d u j p o q s f t f o u * o o p s n b m operation the load switch relay solenoid is powered via the monitor lead of the tmov ? 4 w b s j t u p s * o u i f f w f o u p g u i f u i f s n b m f m f n f o u c f j o h b d u j w b u f e u i f s f m b z x j m m e f b d u j w b u f d v u u j o h q p x f s u p u i f q s p u f d u f e d j s d v j u b o e u i f g b v m u - & % x j m m illuminate. r line fuse neutral ac optocoupler to status annunciator light/alarm to protected circuit line tmov34s m varistor line fuse neutral fault led (normallyoff) "load powered" neon lamp load switch relay (loss of protection) r to protected circuit line tmov34s m varistor 1 m f b t f o p u f * o e j d b u p s d j s d v j u t b s f q s p w j e f e b t b guideline only. veri?cation of actual indicator circuitry is the responsibility of the end user. component values selected must be appropriate for the speci?c ac line voltage service and application. tmov ? 34s "m" 3-lead varistor / p u f . 0 7 t b s f o p o q p m b s j [ f e q b t t j w f f m f n f o u t varistor products ?2012 littelfuse, inc. revision: july 5, 2012 tmov ? 34s varistor series industrial high energy thermally protected varistors > tmov ? 34s series speci?cations are subject to change without notice. please refer to www.littelfuse.com/series/tmov34s.html for current information. hiCenergy movs tmov ? 34s series lead material tinCplated copper soldering characteristics 4 p m e f s b c j m j u z q f s . * - o 4 5 % o . f u i p e & insulating material cured, ?ame retardant epoxy polymer n f f u t 6 - 7 o s f r v j s f n f o u t device labeling . b s l f e x j u i - ' q b s u j e f o u j m f s b o e date code physical speci?cations operating/storage temperature ? $ u p ? $ ? $ u p ? $ humidity aging ? $ 3 ) i p v s t w p m u b h f thermal shock ? $ u p ? $ u j n f t w p m u b h f solvent resistance . * - o 4 5 % o . f u i p e ' moisture sensitivity - f w f m + o 4 5 % o $ environmental speci?cations wave solder pro?le because the tmov ? 34s series varistors contain a thermal protec tion device, care must be taken when soldering the devices into q m b d f 5 x p t p m e f s j o h n f u i p e t b s f q p t t j c m f ' j s t u m z i b o e t p m e f s j o h 0 50 100 150 200 250 300 00.511.522.533.54 time(minutes) temperature ( o c) maximum wave 240c leadCfree pro?le 0 50 100 150 200 250 300 00.511.522.533.54 time(minutes) temperature (oc) maximum wave 260c non leadCfree pro?le * u j t s f d p n n f o e f e u p i f b u o t j o l u i f m f b e t p g u i f e f w j d f 4 f d p o e m z x b w f o t p m e f s j o h * u j t d s j u j d b m m z j n q p s u b o u u i b u b m m q s f i f b u t u b h f b o e the solder bath temperatures are rigidly controlled. figure 5 figure 6 part numbering system tmov 3 4 sm 1 5 1 device family littelfuse thermally protected mov disc size (mm) 34 mm ceramic shape s: square series designator m: 3-leaded tmov34s varistor series e: 2-leaded tmov34s varistor series (alternative design) supplied in bulk pack v m(ac)rms 11 5 v to 75 0v x2696 optional design 5 digit suf?x when alternative 3mm wide monitor lead is required p p: lead-free and rohs compliant option varistor products ?2012 littelfuse, inc. revision: july 5, 2012 tmov ? 34s varistor series industrial high energy thermally protected varistors > tmov ? 34s series speci?cations are subject to change without notice. please refer to www.littelfuse.com/series/tmov34s.html for current information. 37.0 max 47. 5 max 2 5 . 4 1.0 7 0.1 s 4 0.5 t 0.51 0.1 1. 4 0.1 part number t dimension max body thickness s dimension -- mounting terminal offset 5 . 0 7 4 & 1 5 . 0 7 4 & 1 5 . 0 7 4 & 1 5 . 0 7 4 & 1 5 . 0 7 4 & 1 5 . 0 7 4 & 1 5 . 0 7 4 & 1 5 . 0 7 4 & 1 5 . 0 7 4 & 1 5 . 0 7 4 & 1 5 . 0 7 4 & 1 5 . 0 7 4 & 1 5 . 0 7 4 & 1 5 . 0 7 4 & 1 5 . 0 7 4 & 1 5 . 0 7 4 & 1 5 . 0 7 4 & 1 5 . 0 7 4 & 1 5 . 0 7 4 & 1 5 . 0 7 4 & 1 5 . 0 7 4 & 1 5 . 0 7 4 & 1 5 . 0 7 4 & 1 dimensions - alternative 2 leaded series dimensions 3 leaded series 37.0 max 47. 5 monitor terminal faces of t erminals in line max 22.0 1.0 4 . 5 1.1 0.55 0.1 0.8 0.1 0.75 5.3 0.1 22.0 1.0 3.0 7. 5 1.1 0.25 6.0 0.1 outside t erminals outside t erminals middle t erminal middle t erminal s 42.5 max 2.5 to 5.0 t 2.30 0.2 6.0 0.1 5 .3 0.1 6.0 0.1 center to center of outside terminals middle terminal does not have seating crimp (no te: middle terminal is not at center) dimensions in millimeter unless otherwise speci?ed t o order alternative design with narrow 3mm monitor lead (right hand terminal as shown) add suf?x x2696 to part number (no te: middle terminal is not at center) middle t erminal part number "t" max body thickness s mounting terminal offset 5 . 0 7 4 . 1 5 . 0 7 4 . 1 5 . 0 7 4 . 1 5 . 0 7 4 . 1 5 . 0 7 4 . 1 5 . 0 7 4 . 1 5 . 0 7 4 . 1 5 . 0 7 4 . 1 5 . 0 7 4 . 1 5 . 0 7 4 . 1 5 . 0 7 4 . 1 5 . 0 7 4 . 1 5 . 0 7 4 . 1 5 . 0 7 4 . 1 5 . 0 7 4 . 1 5 . 0 7 4 . 1 5 . 0 7 4 . 1 5 . 0 7 4 . 1 5 . 0 7 4 . 1 5 . 0 7 4 . 1 5 . 0 7 4 . 1 5 . 0 7 4 . 1 5 . 0 7 4 . 1 |
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