page . 1 august 31,2010-rev.03 sb4020pt series features ? plastic package has underwriters laboratory flammability classification 94v-o. flame retardant epoxy molding compound. ? exceeds environmental standards of mil-s-19500/228 ? low power loss, high efficiency. ? low forward voltage, high current capability ? high surge capacity. ? for use in low voltage,high frequency inverters free wheeling , and polarlity protection applications. ? in compliance with eu rohs 2002/95/ec directives schottky barrier rectifiers voltage 20 to 60 volts 40 amperes current mechanical data ? case: to-247ad/to-3p molded plastic ? terminals: solder plated, solderable per mil-std-750, method 2026 ? polarity: as marked. ? standard packaging: any ? weight: 0.2245 ounces, 6.3673 grams. maximum ratings and electrical characteristics ratings at 25c ambient temperature unless otherwise specified. single phase, half wave, 60 hz, resistive or inductive load. for capacitive load, derate current by 20% note: both bonding and chip structure are available. parameter symbol sb4020pt sb4030pt sb4040pt sb4045pt sb4050pt sb4060pt units maximum recurrent peak reverse voltage v rrm 20 30 40 45 50 60 v maximum rms voltage v rms 14 21 28 31.5 35 42 v maximum dc blocking voltage v dc 20 30 40 40 50 60 v maximum average forward current at t c =90 o c i f(av) 40 a peak forward surge current : 8.3ms single half sine-wave superimposed on rated load (jedec method) i fsm 350 a maximum forward voltage at 20a per leg v f 0.55 0.70 v maximum dc reverse current at rated dc blocking voltage t j =25 o c t j =100 o c i r 0.2 50 ma typical thermal resistance r ? jc 1.5 o c / w operating junction and storage temperature range t j ,t stg -55 to +125 -55 to +150 o c 0.640(16.25) 0.620(15.75) 0.142(3.60) 0.125(3.20) 0.087(2.20) 0.070(1.80) 0.126(3.20) 0.110(2.80) 0.050(1.25) 0.045(1.15) 0.225(5.70) 0.204(5.20) 0.225(5.70) 0.204(5.20) 0.600(15.25) 0.580(14.75) 0.839(21.30) 0.819(20.80) 0.170(4.30) 0.145(3.70) 0.798(20.25) 0.777(19.75) 0.199(5.05) 0.175(4.45) 0.095(2.40) 0.030(0.75) 0.017(0.45)
page . 2 august 31,2010-rev.03 sb4020pt series rating and characteristic curves average forward current , amperes fig.1- forward current derating curve case temperature, c o 0 50 100 150 50 40 30 20 10 0 fig.4- typical instantaneous forward characteristic fig.2- maximum non - repetitive surge current no. of cycle at 60hz 400 350 300 250 200 150 100 50 0 1 2 5 10 20 50 100 instantaneous forward voltage, volts 20-45v 50-60v fig.3- typical reverse characteristic instantaneous reverse current ,ma percent of instantaneous reverse voltage,(%) 0 20 40 60 80 100 10 1.0 0.1 0.01 .0 001 peak forward surge current, amperes 20 - 30 v 40 - 60 v t =100 c j o t=25 c j o t=75 c j o 8.3ms single half sine-wave jedec method instantaneous forward current amperes 40 10 8 6 4 2 1.0 0.8 0.6 0.4 0.2 0.1 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1
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