d s 26002 rev. e-2 1 of 2 1n4933/l-1n4937/l 1n4933/l - 1n4937/l 1.0a fast recovery rectifier features ?l? suffix designates a-405 package no suffix designates do-41 package a a b c d do-41 plastic a-405 dim min max min max a 25.40 25.40 b 4.06 5.21 4.10 5.20 c 0.71 0.864 0.53 0.64 d 2.00 2.72 2.00 2.70 all dimensions in mm maximum ratings and electrical characteristics @ t a = 25 c unless otherwise specified 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 plastic material: ul flammability classification rating 94v-0 mechanical data case: molded plastic terminals: plated leads solderable per mil-std-202, method 208 polarity: cathode band weight: do-41 0.35 grams (approx) a-405 0.20 grams (approx) mounting position: any marking: type number single phase, half wave, 60hz, resistive or inductive load. for capacitive load, derate current by 20%. characteristic symbol 1n4933/l 1n4934/l 1n4935/l 1n4936/l 1n4937/l unit peak repetitive reverse voltage working peak reverse voltage dc blocking voltage 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 (jedec method) 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 @ t a = 100 c i rm 5.0 100 a reverse recovery time (note 3) t rr 200 ns typical junction capacitance (note 2) c j 15 pf typical thermal resistance junction to ambient r ja 100 k/w operating and storage temperature range t j, t stg -65 to +150 c notes: 1.leads maintained at ambient temperature at a distance of 9.5mm from the case. 2. measured at 1.0mhz and applied reverse voltage of 4.0v dc. 3. measured with i f = 0.5a, i r = 1a, i rr = 0.25a.
d s 26002 rev. e-2 2 of 2 1n4933/l-1n4937/l 1 1 0 100 1 10 100 c , cap acit ance (pf) j v , reverse voltage (v) fi g .4 t y pical junction capacitance r t = 25c f = 1mhz j 110 100 0 number of cycles at 60 hz fi g . 3 max non-repetitive peak fwd sur g e current i , peak fwd surge current (a) fsm 10 20 30 pulse width 8.3ms single half sine-wave 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 , inst ant ane o us f o r w ard current (a) f t = 25c pulse width = 300s j 0 25 50 75 100 125 150 175 0.2 0.4 0.6 0.8 1 . 0 0 i , a verage fwd rectified current (a) (a v) t , ambient temperature (oc) fi g . 1 forward current deratin g curves a pc board mounted 9.5mm lead lengths
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