ds26002 rev. 7 - 2 1 of 2 www.diodes.com 1n4933-1n4937 ? diodes incorporated 1n4933 - 1n4937 1.0a fast recovery rectifier features ? diffused junction ? fast switching for high efficiency ? high current capability and low forward voltage drop ? surge overload rating to 30a peak ? low reverse leakage current ? lead free finish, rohs compliant (note 4) mechanical data ? case: do-41 ? case material: molded plastic. ul flammability classification rating 94v-0 ? moisture sensitivity: level 1 per j-std-020d ? terminals: finish - bright ti n. plated leads solderable per mil- std-202, method 208 ? polarity: cathode band ? mounting position: any ? ordering information: see page 2 ? marking: type number ? 0.35 grams (approximate) dim do-41 plastic min max a 25.40 ? b 4.06 5.21 c 0.71 0.864 d 2.00 2.72 all dimensions in mm maximum ratings and electrical characteristics @t a = 25c unless otherwise specified single phase, half wave, 60hz, re sistive or inductive load. for capacitive load, derate current by 20%. characteristic symbol 1n4933 1n4934 1n4935 1n4936 1n4937 unit peak repetitive reverse voltage working peak reverse voltage dc blocking voltage (note 5) v rrm v rwm v r 50 100 200 400 600 v rms reverse voltage v r(rms) 35 70 140 280 420 v average rectified output current (note 1) @ t a = 75 c i o 1.0 a non-repetitive peak forward surge current 8.3ms single half sine-wave superimposed on rated load i fsm 30 a forward voltage drop @ i f = 1.0a v fm 1.2 v peak reverse current @t a = 25 c at rated dc blocking voltage (note 5) @ t a = 100 c i rm 5.0 100 a reverse recovery time (note 3) t rr 200 ns typical total capacitance (note 2) c t 15 pf typical thermal resistance junction to ambient r ja 100 c/w operating and storage temperature range t j, t stg -65 to +150 c notes: 1. leads maintained at ambient temper ature at a distance of 9.5mm from the case. 2. measured at 1.0mhz and appl ied reverse voltage of 4.0v dc. 3. measured with i f = 0.5a, i r = 1a, i rr = 0.25a. 4. eu directive 2002/95/ec (rohs). all applicable rohs exemptions applied, see eu directive 2002/95/ec annex notes . 5. short duration pulse test used to minimize self-heating effect.
ds26002 rev. 7 - 2 2 of 2 www.diodes.com 1n4933-1n4937 ? diodes incorporated 0 25 50 75 100 125 150 175 0.2 0.4 0.6 0.8 1.0 0 i, ave r a g e f o r wa r d r e c t i f ied c u r r en t (a) (av) t , ambient temperature (oc) fig. 1 forward current derating curve a pc board mounted 9.5mm lead lengths 0.6 0.8 1.0 1.2 1.4 1.6 0.01 0.1 1.0 10 20 v , instantaneous forward voltage (v) fig. 2 typical forward characteristics f i, ins t an t ane o u s f o r wa r d c u r r en t (a) f t = 25c pulse width = 300s j 11 0 100 0 number of cycles at 60 hz fig. 3 max non-repetitive peak forward surge current i, p eak f o r wa r d s u r g e c u r r en t (a) fsm 10 20 30 pulse width 8.3ms single half sine-wave 11 01 0 0 1 10 100 c t o t al c a p a c i t an c e (p f ) t v , dc reverse voltage (v) fig. 4 typical total capacitance r ordering information (note 6) device packaging shipping 1n4933-t do-41 5k/tape & reel, 13-inch 1n4934-t do-41 5k/tape & reel, 13-inch 1n4935-t do-41 5k/tape & reel, 13-inch 1n4936-t do-41 5k/tape & reel, 13-inch 1n4937-t do-41 5k/tape & reel, 13-inch notes: 6. for packaging details, visit our we bsite at http://www.diodes .com/datasheets/ap02008.pdf. important notice diodes incorporated and its subsidiaries rese rve the right to make modifications, enhanc ements, improvements, corrections or ot her changes without further notice to any product herein. diodes incorporat ed does not assume any liability arising out of the application or use of any product described herein; neither does it convey any license under its paten t rights, nor the rights of others. the user of products in such applications shall assume all risks of such use and will agree to hold diodes inco rporated and all the companies whose products ar e represented on our website, harmless against all damages. life support diodes incorporated products are not authorized for use as critical components in life support devices or systems without the expressed written approval of the president of diodes incorporated.
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