dimensions in inches and (millimeters) do-201ad features low power loss, high efficiency. high current capability, low vf. high reliability high surge current capability. epitaxial construction. guard-ring for transient protection. for use in low voltage, high frequency inventor, free wheeling, and polarity protection application mechanical data cases: do-201ad molded plastic polarity: color band denotes cathode high temperature soldering guaranteed: 260 o c/10 seconds/.375?,(9.5mm) lead lengths at 5 lbs., (2.3kg) tension weight: 1. 2 grams maximum ratings and electrical characteristics rating 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% type number symbol sr 320 sr 330 sr 340 sr 350 sr 360 sr 390 sr 3100 sr 315 0 units maximum recurrent peak reverse voltage v rrm 20 30 40 50 60 90 100 150 v maximum rms voltage v rms 14 21 28 35 42 63 70 105 v maximum dc blocking voltage v dc 20 30 40 50 60 90 100 150 v maximum average forward rectified current see fig. 1 i (av) 3.0 a maximum instantaneous forward voltage @3.0a v f 0.55 0.70 0.85 0.95 v 0.5 maximum d.c. reverse current @ t a =25 o c at rated dc blocking voltage @ t a =125 o c i r 10 5 0.1 2.0 ma ma typical junction capacitance (note 2) cj 200 130 72 pf typical thermal resistance (note 1) r ja r jc 50 15 o c/w operating junction temperature range t j -65 to +125 -65 to +150 o c storage temperature range t stg -65 to +150 o c notes: 1. mount on cu-pad size 16mm x 16mm on p.c.b. 2. measured at 1 mhz and applie d reverse voltage of 4.0v d.c. sr320-sr3200 3.0 amp. schottky barrier rectifiers sr 320 0 200 200 140 http://www.luguang.cn mail:lge@luguang.cn
ratings and characteristic curves fig.2- maximum non-repetitive forward surge current peak forward surge current amperes 1 26 8 4 10 20 100 40 60 80 100 80 60 40 20 0 number of cycles at 60hz 8.3ms single half sine wave jedec method fig.3- typical forward characteristics instantaneous forward current. (a) .2 .3 .4 .5 .6 .7 .8 .9 1.0 0.1 1.0 10 50 forward voltage. (v) s sr320-sr340 s sr350-sr360 fig.5- typical junction capacitance junction capacitance.(pf) .1 .4.2 1.0 42 10 20 40 100 10 20 40 60 100 80 200 400 600 1000 reverse voltage. (v) s sr320-340 s sr350-360 fig.1- maximum forward current derating curve average forward current . amperes 0 25 50 75 100 125 150 175 0 1 2 3 4 lead temperature. ( c) o s sr350-sr3 sr350-sr3200 s sr320-sr340 fig.4- typical reverse characteristics instantaneous reverse current .(ma) 0 20 40 60 80 100 120 140 .001 .01 .10 1.0 10 percent of rated peak reverse voltage. (%) tj=125 c 0 tj=25 c 0 sr350-3150 sr320-340 tj=75 c 0 tj=25 o c pulse width=300 s 1% duty cycle s sr390-SR3100 s s sr390-sr3200 fig.6- typical transient thermal characteristics transient thermal impedance. ( c/w) o 1 0.01 0.1 10 100 100 10 1 0.1 t, pulse duration. (sec) s sr3150 sr320-sr3200 3.0 amp. schottky barrier rectifiers http://www.luguang.cn mail:lge@luguang.cn
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