fast recovery glass passivated rectifier voltage range 50 to 600 volts current 1.0 ampere rectron semiconductor technical specification features * high reliability * low leakage * low forward voltage drop * glass passivated junction * high switch capability mechanical data * case: molded plastic * epoxy: device has ul flammability classification 94v-o * lead: mil-std-202e method 208c guaranteed * mounting position: any * weight: 0.35 gram maximum ratings and electrical characteristics ratings at 25 o c ambient temperature unless otherwise specified. single phase, half wave, 60 hz, resistive or inductive load. for capacitive load, derate current by 20%. electrical characteristics (at t a = 25 o c unless otherwise noted) 1n4933g thru 1n4937g do-41 maximum ra tings (at t a = 25 o c unless otherwise noted) notes : 1. t est conditions: i f = 1.0a, v r = 30v 2. measured at 1 mh z and applied reverse voltage of 4.0 volts dimensions in inches and (millimeters) 2001-6 ratings maximum recurrent peak reverse voltage maximum rms voltage maximum dc blocking voltage maximum average forward rectified current at t a = 55 o c peak forward surge current 8.3 ms single half sine-wave superimposed on rated load (jedec method) typical junction capacitance (note 2) operating and storage temperature range symbol v rrm v dc i o i fsm c j t j , t stg v rms volts volts volts amps 1.0 30 15 -65 to + 150 amps pf 0 c units 50 200 400 600 100 35 140 280 420 70 50 200 400 600 100 1n4933g 1n4935g 1n4936g 1n4937g 1n4934g at rated dc blocking voltage t a = 25 o c characteristics maximum full load reverse current full cycle average, .375 (9.5mm) lead length at t l = 55 o c maximum reverse recovery time (note 1) v f symbol i r trr 1.2 5.0 100 200 uamps uamps nsec maximum dc reverse current maximum instantaneous forward voltage at 1.0a dc volts units 1n4933g 1n4935g 1n4936g 1n4937g 1n4934g 1.0 (25.4) min. .166 (4.2) .205 (5.2) 1.0 (25.4) min. .107 (2.7) .080 (2.0) dia. .034 (0.9) .028 (0.7) dia.
rectron rating and characteristic curves ( 1n4933g thru 1n4937g ) fig. 1 - typical forward average forward current, (a) ambient temperature, ( ) current derating curve 1.50 1.25 1.00 .75 .50 .25 25 50 75 100 125 150 175 single phase half wave 60hz resistive or inductive load 0 fig. 2 - maximum non-repetitive peak forward surge current, (a) number of cycles at 60hz forward surge current 12 4 6 810 20 40 6080100 50 40 30 20 10 0 8.3ms single half sine-wave (jeded method) junction capacitance, (pf) fig. 3 - typical junction capacitance reverse voltage, ( v ) 200 100 60 40 20 10 6 4 2 1 .1 .2 .4 1.0 2 4 10 20 40 100 t j = 25 fig. 4 - typical instantaneous forward characteristics instantaneous forward current, (a) instantaneous forward voltage, (v) t j = 25 pulse width = 300us 1% duty cycle .6 .8 1.0 1.2 1.4 20 10 1.0 .1 .01 fig. 5 - test circuit diagram and reverse recovery time characteristic 8 7 6 5 4 3 2 1 115va 10k 60hz 2w c.p.clare hpg 1002 30 vdc constant voltage supply 3.8uh/1.4 1 amp slo-blo fuse c1 1.0uf 300v 30 50w non-inductive unit under test r2 1 10w non- inductive c1 1.0uf 300v 1.0 adc from constant voltage supply ripple = 3mvrms max minimize all lead lengths a-tektronix 545a. k plug in pre amp p6000 probe or equivalent r1-adjusted for 1.4 between point 2 of relay and rectifier inductive = 3.8uh zout 1 1 / 2 max dc to 2khz r2-ten-1w 10 % carbon core in parallel t a = 25 for rectifier 10 0 set time base for 50/100 ns/cm trr di/dt = 50a/us ifm 1.0 0 irm (rec) i(t)
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