features guard ring for transient protection low power loss,high efficiency high current capability,low vf high surge capacity mechanical data case: jedec r-6 molded plastic polarity: color band denotes cathode weight: 0.07 ounces , 2.1 grams mounting position: any maximum ratings and electrical characteristics rating at 25 ambient temperature unless otherwise specified. single phase, half wave ,60hz, resistive or inductive load. for capacitive load, derate current by 20% characteristics symbol unit maximum recurrent peak reverse voltage v rrm v maximum rms voltage v rms v maximum dc blocking voltage v dc v maximum average forward rectified current @t c =170 i (av) a peak forward surge current 8.3ms single half sine-wave super imposed on rated load(jedec method) i fsm a peak forward voltage at 20a dc(note1) v f v maximum dc reverse current @tj=25 at rated dc blocking voltage @tj=125 typical thermal resistance (note2) r jc /w operating temperature range (@v dc blocking voltage) t j storage temperature range t stg rev. 7, 16-mar-2017 notes:1.300us pulse width, 2%duty cycle. 2.thermal resistance junction to case without heatsink. ma wheeling,and polarity protection applications 20SQ040 i r metal of silicon rectifier , majority carrier conduction for use in low voltage,high frequency inverters,free dimensions in inches and (millimeters) 20SQ040 thru 20sq045 photovoltaic solar cell protection schottky rectifier reverse voltage 40 - 45 volts forward current - 20.0 amperes 20sq045 40 45 28 31.5 40 45 20 450 -55 to+200 -55 to+200 0.53 0.5 80 2.5 r - 6
rating and charactertic curves 20SQ040 thru 20sq045 the curve graph is for reference only, can't be the basis for judgment( ?)! rev. 7, 16-mar-2017 a verage forward current amperes case temperature fig.1-forward current derating curve 25 50 75 100 125 150 175 200 5.0 15.0 20.0 25.0 30.0 10.0 0 instantaneous reverse current(ma) fig.3-typical reverse characteristics percent of rated peak reverse voltage(%) instantaneous forward voltage volts instantaneous forward current(a) fig.4-typical forward characteristics 0 0.1 0.2 0.3 0.4 0.5 0.6 0.1 1 10 0.01 20 t j =100 t j =25 t j =125 t j =75 8.3single half-sine-wave (jedec metod) peak forward surge current amperes number of cycles at 60hz fig.2-maximum non-repetitve surge 12 51020 50 100 0 80 240 320 400 160 480 20 40 60 80 100 0.01 0.1 1 10 100 t j =100 t j =25 t j =75 t j =125 pulse width 300us 2%duty cycle
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