- 400 - 1N4933 thru 1n4937 1.0 amp. fast recovery rectifiers voltage range 50 to 600 volts current 1.0 ampere f eatures low forward voltage drop high current capability high reliability high surge current capability m echanical data cases: molded plastic epoxy: ul 94v-o ra te flame retardant lead: axial leads, solderable per mil- std-202, method 208 guaranteed polarity: color band denotes cathode end high temperature soldering guaranteed: 260 o c/10 seconds/.375?,(9.5mm) lead lengths at 5 lbs., (2.3kg) tension weight: 0.34gram do-41 dimensions in inches and (millimeters) m aximum ratings and el ectrical characteristics rating at 25 ambient temperature unless otherwise specified. single phase, half wave, 60 hz, resistive or inductive load. for capacitive load, derate current by 20% type number symbol 1n 4933 1n 4934 1n 4935 1n 4936 1n 4937 unit s maximum recurrent peak reverse voltage v rrm 50 100 200 400 600 v maximum rms voltage v rms 35 70 140 280 420 v maximum dc blocking voltage v dc 50 100 200 400 600 v maximum average forward rectified current .375 (9.5mm) lead length @t a = 50 i (av) 1.0 a peak forward surge current, 8.3 ms single half sine-wave superimposed on rated load (jedec method ) i fsm 30 a maximum instantaneous forward voltage @ 1.0a v f 1.2 v maximum dc reverse current @ t a =25 at rated dc blocking voltage @ t a =100 i r 5.0 100 ua ua maximum reverse recovery time ( note 1 ) trr 200 ns typical junction capacitance ( note 2 ) cj 10 pf typical thermal resistance ( note 3 ) r ja 65 o c/w operating temperature range t j -65 to +150 storage temperature range t stg -65 to +150 notes: 1. reverse recovery test conditions: if=1.0a, vr=30v, di/dt=50a/us, irr=10% irm for measurement of trr. 2. measured at 1 mhz and applie d reverse voltage of 4.0 v d.c. 3. mount on cu-pad size 5mm x 5mm on p.c.b.
- 401 - ratings and characteristic curves (1N4933 thru ) 1n4937 fig.3- maximum non-repetitive peak forward surge current peak for ward surge current . (a) 1 10 100 30 10 0 20 number of cycles at 60hz tj=tj max. 8.3ms single half sine wave jedec method fig.6- typical reverse characteristics instantaneous reverse current . microamperes 0 20 40 60 80 100 120 140 10 20 1 0.1 0.01 percent of rated peak reverse voltage. (%) tj=125 c 0 tj=75 c 0 tj=25 c 0 fig.5- typical instantaneous forward characteristics instantaneous for ward current . (a) 0.4 0.6 0.8 1.0 1.2 1.4 1.6 0.01 1 10 0.1 forward voltage. (v) tj=25 c pulse width-300 s 1% duty cycle 0 fig.2- maximum forward current derating curve average for ward current . (a) 25 50 75 125 175 150 100 0 0.25 0.75 1.0 0.5 ambient temperature. ( c) o 0.375" (9.5mm) lead length fig.4- typical junction capacitance junction cap acitance.(pf) 1 10 100 10 1 100 reverse voltage. (v) resistive or inductive load tj=25 c 0 fig.1- reverse recovery time characteristic and test circuit diagram 4 ir vr 0.1 f ni 10k ohm/zw 117 v 60 hz 2 1 0.1 f if 1.4 cem 3.8 uh d.u.t. output. scope 1ohm 10 w ni 30 ohm/30 w ni
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