- 64 - SRAD320 thru srad360 3.0 amps. schottky barrier rectifiers voltage range 20 to 60 volts current 3.0 amperes features extremely fast switching extremely low forward drop guaranteed reverse avalanche mechanical data cases: epoxy, molded weight: 0.4 gram (approximately) finish: all external surfaces corrosion resistant and terminal leads are readily solderable lead and mounting surface temperature for soldering purposes: 260 o c max. for 10 seconds shipped 75 units per plastic tube 0. marking: SRAD320, srad330, srad340, srad350, srad360 d - pak dimensions in inches and (millimeters) maximum ratings and electrical 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 srad 320 srad 330 srad 340 srad 350 srad 360 units maximum recurrent peak reverse voltage v rrm 20 30 40 50 60 v maximum rms voltage v rms 14 21 28 35 42 v maximum dc blocking voltage v dc 20 30 40 50 60 v maximum avera g e forward rectified current (see fig. 1 ) i (av) 3.0 a nonrepetitive peak surge current (sur g e applied at rated load conditions halfwave, single phase, 60 hz) i fsm 75 a peak repetitive reverse surge current (note 1) i rrm 1.0 a m aximum i nstantaneous f orward v oltage @3.0a v f 0.55 0.7 v maximum d.c. reverse current @ tc=25 at rated dc blocking voltage @ tc=125 i r 0.3 20 ma ma maximum thermal resistance per leg (note 3) r jc r ja 6 80 /w typical junction capacitance (note 2) cj 400 pf operating junction temperature range t j -65 to +150 -65 to +125 storage temperature range t stg -65 to +150 notes : 1. 2.0us pulse width, f=1.0kh z . 2. pulse test : 300 us, 2.0% duty cycle. 3. thermal resistance from junction to case and thermal resistance from junction to ambient. marking 0 5 0 5 30 5 .250(6.55) .246(6.45) .211(5.36) .207(5.26) .274(6.95) .270(6.85) .250(6.55) .246(6.45) .024(0.60) .031(0.80) .165(4.20) .149(3.80) .043(1.10) .035(0.90) .093(2.35) .089(2.25) .013(0.54) .011(0.48) .384(9.75) .364(9.25) .053(1.30) .045(1.10) .059(1.45) .039(0.95) .112(2.85) .092(2.35) .211(5.36) .207(5.26) .013(0.54) .011(0.48) 123
-65- ratings and characteristic curves (SRAD320 thru srad360) fig.1- maximum forward current derating curve 80 100 160 instantaneous reverse current .(ma) average for ward current . (a) 130 120 110 90 1k 0 1 2 3 100 v reverse voltage. (volts) r tj=125 c 25 c 0 tj=25 c 0 4 140 150 case temperature. ( c) o c.capacitance . (pf) 700 500 300 200 100 70 50 30 20 10 30 20 10 040506070 100 c 0 125 c 0 tj=150 c fig.3- typical reverse characteristics per leg 40 20 10 4 2 1 0.4 0.2 0.1 0.04 0.02 0.01 0.004 0.002 0.001 60 50 40 30 20 10 0 percent of rated peak reverse voltage. srad350-360 SRAD320-340 fig.2- typical junction capacitance per leg fig.4- typical forward characteristics per leg instantaneous for ward current . (a) .2 .3 .4 .5 .6 .7 .8 .9 1.0 0.1 1.0 10 50 forward voltage. (v) SRAD320-srad340 srad 350-sr a d 360 tj=25 o c pulse width=300 s 1% duty cycle
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