maximum ratings and electrical characteristics ratings at 25 o c ambient temperature unless otherwise specified. fm4735w(a) thru fm4763w(a) do-214ac dimensions in inches and (millimeters) 0.091 ( 2.31 )0.067 ( 1.70 ) 0.012 ( 0.305 )0.006 ( 0.152 ) 0.008 ( 0.203 )0.004 ( 0.102 ) 0.059 ( 1.50 )0.035 ( 0.89 ) 0.209 ( 5.31 )0.185 ( 4.70 ) 0.180 ( 4.57 )0.160 ( 4.06 ) 0.110 ( 2.79 )0.086 ( 2.18 ) 0.067 (1.70 )0.051 (1.29 ) features * plastic package has underwriters laboratory * excellent clamping capability * low zener impedance * low regulation factor mechanical data * epoxy : device has ul flammability classification 94v-0 surface mount glass passivated zener silicon rectifier voltage range 6.2 to 91.0 volts steady state power 1.0 watt type nominal zener voltage test current maximum dc reverse leakage current maximum dynamic impedance maximum surge current maximum forward voltage fm4735w 6.2 typ. max. min. 6.87.5 8.2 9.1 10.0 1.21.2 1.2 1.2 1.2 1.2 fm4736wfm4737wa fm4738w fm4739wa fm4740w 2007-12 41.037.0 34.0 31.0 28.0 25.0 2.03.5 4.0 4.5 5.0 7.0 700700 700 700 700 700 1.001.00 0.50 0.50 0.50 0.25 50.010.0 10.0 10.0 10.0 10.0 3.04.0 5.0 6.0 7.0 7.6 730.0 fm4735wa 6.2 4.965.44 6.75 6.56 8.19 8.0 5.58 7.348.16 8.25 9.84 10.01 12.0 6.82 1.2 41.0 2.0 700 1.00 50.0 3.0 730.0 660.0 6.8 1.2 fm4736wa 37.0 3.5 700 1.00 10.0 4.0 6.12 7.48 660.0605.0 7.5 1.2 fm4737w 34.0 4.0 700 0.50 10.0 5.0 6.0 9.0 605.0550.0 8.2 1.2 fm4738wa 31.0 4.5 700 0.50 10.0 6.0 7.38 9.02 550.0500.0 9.1 1.2 fm4739w 28.0 5.0 700 0.50 10.0 7.0 7.28 10.92 500.0454.0 10.0 1.2 fm4740wa 25.0 7.0 700 0.25 10.0 7.6 9.0 11.0 454.0 vf at 200ma (volts) ir (ua) vr (volts) (note 1) izk (ma) zzk at izk (ohms) zzt at izt (ohms) (note 2) irm (mapk) vz at izt (note 1) (volts) izt (ma) maximun ratings ( @ t a = 25 o c unless otherwise noted ) power dissipation thermal resis tolarance symbol ratings 1 170 see note1 -55 to 150 p tot r th ja - units w k / mw % vf t stg v o c forward voltage@if = 100ma junction temp storage temp t j characteristics 1.0 150 o c electrical characteristics ( @ t a = 25 o c unless otherwise noted ) downloaded from: http:///
15.016.0 18.0 20.0 22.0 24.0 27.0 30.0 33.0 36.0 39.0 43.0 47.0 56.0 62.0 1.21.2 1.2 1.2 1.2 1.2 1.2 1.2 1.2 1.2 1.2 1.2 1.2 1.2 1.2 fm4744wafm4745w fm4746wa fm4747w fm4748w fm4749w fm4750w fm4751w fm4752w fm4753w fm4754wa fm4755wa fm4756w 51.0 13.512.8 16.2 16.0 17.6 23.2 21.6 24.0 26.4 28.8 35.1 38.7 37.6 44.8 55.8 40.8 16.519.2 19.8 24.0 26.4 28.8 32.4 36.0 39.6 43.2 42.9 47.3 56.4 67.2 68.2 61.2 17.015.5 14.0 12.5 11.5 10.5 9.58.5 7.5 7.0 6.5 6.0 5.5 4.5 4.0 5.0 14.016.0 20.0 22.0 23.0 25.0 35.0 40.0 45.0 50.0 60.0 70.0 80.0 110.0125.0 95.0 700700 750 750 750 750 750 10001000 1000 1000 1500 1500 2000 2000 1500 0.250.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 5.05.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 11.412.2 13.7 15.2 16.7 18.2 20.6 22.8 25.1 27.4 29.7 32.7 35.8 42.6 47.1 38.8 305.0 15.0 1.2 fm4744w 12.0 18.0 17.0 14.0 700 0.25 5.0 11.4 305.0 285.0 16.0 1.2 fm4745wa 14.4 17.6 15.5 16.0 700 0.25 5.0 12.2 285.0 250.0 18.0 1.2 fm4746w 14.4 21.6 14.0 20.0 750 0.25 5.0 13.7 250.0 225.0 20.0 1.2 fm4747wa 18.0 22.0 12.5 22.0 750 0.25 5.0 15.2 225.0 205.0 22.0 1.2 fm4748wa 19.8 24.2 11.5 23.0 750 0.25 5.0 16.7 205.0 190.0 24.0 1.2 fm4749wa 21.6 26.4 10.5 25.0 750 0.25 5.0 18.2 190.0 170.0 27.0 1.2 fm4750wa 24.3 29.7 9.5 35.0 750 0.25 5.0 20.6 170.0 150.0 30.0 1.2 fm4751wa 27.0 33.0 8.5 40.0 1000 0.25 5.0 22.8 150.0 135.0 33.0 1.2 fm4752wa 29.7 36.3 7.5 45.0 1000 0.25 5.0 25.1 135.0 125.0 36.0 1.2 fm4753wa 32.4 39.6 7.0 50.0 1000 0.25 5.0 27.4 125.0 115.0 39.0 1.2 fm4754w 31.2 46.8 6.5 60.0 1000 0.25 5.0 29.7 115.0 110.0 43.0 1.2 fm4755w 34.4 51.6 6.0 70.0 1500 0.25 5.0 32.7 110.0 95.0 47.0 1.2 fm4756wa 42.3 51.7 5.5 80.0 1500 0.25 5.0 35.8 95.0 80.070.0 90.0 1.2 fm4757w 51.0 45.9 56.1 5.0 95.0 1500 0.25 5.0 38.8 90.0 1.2 fm4757wafm4758w 56.0 1.2 50.4 61.6 4.5 110.0 2000 0.25 5.0 42.6 80.0 fm4758wafm4759wa 62.0 1.2 49.6 74.4 4.0 125.0 2000 0.25 5.0 47.1 70.0 fm4759w electrical characteristics ( at t a = 25 o c unless otherwise noted) 11.012.0 13.0 1.21.2 1.2 fm4741wfm4742wa fm4743w 23.021.0 19.0 8.09.0 10.0 700700 700 0.250.25 0.25 5.05.0 5.0 8.49.1 9.9 8.8 10.810.4 13.213.2 15.6 414.0380.0 344.0 11.0 1.2 fm4741wa 23.0 8.0 700 0.25 5.0 8.4 9.9 12.1 414.0 12.0 1.2 fm4742w 21.0 9.0 700 0.25 5.0 9.1 9.6 14.4 380.0 13.0 1.2 fm4743wa 19.0 10.0 700 0.25 5.0 9.9 11.7 14.3 344.0 type nominal zener voltage test current maximum dc reverse leakage current maximum dynamic impedance maximum surge current maximum forward voltage typ. max. min. vf at 200ma (volts) ir (ua) vr (volts) (note 1) izk (ma) zzk at izk (ohms) zzt at izt (ohms) (note 2) irm (mapk) vz at izt (note 1) (volts) izt (ma) downloaded from: http:///
68.075.0 82.0 91.0 1.21.2 1.2 1.2 54.460.0 65.6 72.8 81.690.0 98.4 109.2 3.73.3 3.0 2.0 150.0175.0 200.0 250.0 20002000 3000 3000 0.250.25 0.25 0.25 5.05.0 5.0 5.0 51.756.0 62.2 69.2 65.060.0 55.0 50.0 fm4760w 68.0 1.2 61.2 74.8 3.7 150.0 2000 0.25 5.0 51.7 65.0 fm4760wafm4761w 75.0 1.2 67.5 82.5 3.3 175.0 2000 0.25 5.0 56.0 60.0 fm4761wafm4762w 82.0 1.2 73.8 90.2 3.0 200.0 3000 0.25 5.0 62.2 55.0 fm4762wafm4763w 91.0 1.2 81.9 100.1 2.0 250.0 3000 0.25 5.0 69.2 50.0 fm4763wa notes : 1. standard v z tolerance is 20% , suffix " a " denotes 10% tolerance. 2. surge current is a non-repetitive, 8.3ms pulse width square wave or equivalent sine-wave superimposed on izt per jedec method. 3. maximum steady state power dissipation is 1.0 watt at tl = 75 o c. 4. "fully rohs compliant", "100% sn plating (pb-free)". 2007-12 electrical characteristics ( at t a = 25 o c unless otherwise noted) type nominal zener voltage test current maximum dc reverse leakage current maximum dynamic impedance maximum surge current maximum forward voltage typ. max. min. vf at 200ma (volts) ir (ua) vr (volts) (note 1) izk (ma) zzk at izk (ohms) zzt at izt (ohms) (note 2) irm (mapk) vz at izt (note 1) (volts) izt (ma) downloaded from: http:///
zener test current, (ma) dynamic zener imopendance, ( w ) terminal temperature, ( o c) 0.5 1 100 10 1000 average power dissipation, (w) instantaneous reverse current,(ua) 0 0.2 0.4 0.6 0.8 1.0 10 1 100 500 -35 125 150 50 25 75 100 -25 0 rating and characteristics curves ( fm4735w(a) thru fm4763w(a) ) f i g . 1 m a x i m u m c o n t i n u o u s p o w e r d i s s i p a t i o n f i g . 2 t y p i c a l z e n e r i m p e n d a n c e percent of rated zener voltage, (%) 0 0.1 0.01 1 10 80 20 40 60 100 f i g . 4 t y p i c a l r e v e r s e c h a r a c t e r i s t i c s zener voltage, (v) temperature coefficient, (mv/ o c) 10 0 0 5010 30 70 110 90 20 30 40 50 60 70 80 90 100 f i g . 5 t y p i c a l t e m p e r a t u r e c o e f f i c i e n t s p.c.b. mounted on 0.31 x 0.31 x 0.08" (8 x 8 x 2mm) copper areas pads resistive or inductive load instantaneous forward voltage, (v) instantaneous forward current, (a) 0.01 0.1 1 10 1.6 1.2 1.4 0.6 0.4 0.8 1.0 f i g . 3 t y p i c a l i n s t a n t a n e o u s f o r w a r d c h a r a c t e r i s t i c s f o r f m 4 7 6 3 w t j = 25 o c t j = 100 o c tested at rated i zt pulse width=300us 1% duty cycle t j = 25 o c downloaded from: http:///
rectron inc reserves the right to make changes without notice to any product specification herein, to make corrections, modifi cations, enhancements or other changes. rectron inc or anyone on its behalf assumes no responsibility or liabi- lity for any errors or inaccuracies. data sheet spe cifications and its information contained are intended to provide a product description only. "typical" paramet- ers which may be included on rectron data she ets and/ or specifications ca- n and do vary in different applications and actual performance may vary over ti- me. rectron inc does not assume any liability arising out of the application or use of any product or circuit. rectron products are not designed, intend ed or authorized for use in medical, life-saving implant or other applications int ended for life-sustaining or other rela- ted applications where a failure or malfunct ion of component or circuitry may di- rectly or indirectly cause injury or threaten a li fe without expressed written appr- oval of rectron inc. customers using or selling rectron components for use in such applications do so at their own risk and shall agree to fully indemnify rect- ron inc and its subsidiaries harmless against all claims, damages and expendit- ures. disclaimer notice downloaded from: http:///
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