tm FFD20UP20S ?2009 fairchild semiconductor corporation FFD20UP20S rev. a www.fairchildsemi.com 1 ultrafast rectifier may 2009 FFD20UP20S features ? ultrafast with soft recovery, trr <45ns ? reverse voltage, v rrm =200v ? forward voltage < 1.05v @ t c =100 o c ? rohs compliant applications ? power switching circuits ? output rectifiers ? freewheeling diodes ? switching mode power supply absolute maximum ratings t c = 25 o c unless otherwise noted thermal characteristics package marking and ordering information symbol parameter ratings units v rrm peak repetitive reverse voltage 200 v i f(av) average rectified forward current @ t c = 123 o c 20 a i fsm non-repetitive peak surge current 60hz single half-sine wave 200 a t j , t stg operating and storage temperature range -65 to +150 o c symbol parameter ratings units r jc maximum thermal resistance, junction to case 1.9 o c/w device marking device package reel size tape width quantity f20up20s FFD20UP20S d-pak 13? dia - 2500 1, 2 anode 3. cathode (flange) 1 3 2 1 2 3
FFD20UP20S FFD20UP20S rev. a www.fairchildsemi.com 2 electrical characteristics t c = 25 o c unless otherwise noted * pulse test: pulse width = 300 s, duty cycle = 2% test circuit and waveforms symbol parameter min. typ. max. units v fm * maximum instantaneous forward voltage i f = 20a i f = 20a i f = 30a t c = 25 o c t c = 100 o c t c = 25 o c - - - 0.94 0.84 1.00 1.15 1.05 - v i rm * maximum instantaneous reverse current @ rated v r t c = 25 o c t c = 100 o c - - - - 100 500 a t rr reverse recovery time (i f = 20a, di/dt = 200a/ s) -2245ns w avl avalanche energy ( l = 40mh) 20 - - mj *
FFD20UP20S FFD20UP20S rev. a www.fairchildsemi.com 3 typical performance characteristics figure 1. typical forward voltage drop vs. forward current figure 2. typical reverse current vs. reverse voltage figure 3.typical junction capacitance figure 4. typical reverse recovery time vs. di/dt figure 5. typical reverse recovery current vs. di/dt fi gure 6. forward current derating curve 0.00.30.60.91.21.5 0.1 1 10 100 t c = 75 o c t c = 125 o c forward current, i f [a] forward voltage, v f [v] t c = 25 o c 10 50 100 150 200 1e-4 0.001 0.01 0.1 1 10 t c = 125 o c t c = 25 o c t c = 75 o c reverse current , i r [ a ] reverse voltage, v r [v] 100 200 300 400 500 10 20 30 40 t c = 125 o c i f = 20a t c = 25 o c t c = 75 o c reverse recovery time, t rr [ns] di/dt [ a/ s ] 0.1 1 10 100 10 100 1000 capacitances , cj [pf] typical capacitance at 0v = 335 pf reverse voltage, v r [v] 100 200 300 400 500 0 2 4 6 8 t c = 25 o c i f = 20a t c = 125 o c t c = 75 o c reverse recovery current, i rr [a] di/dt [ a/ s ] 25 50 75 100 125 150 0 20 40 60 80 average forward current, i f(av) [a] case temperature, t c [ o c ]
FFD20UP20S FFD20UP20S rev. a www.fairchildsemi.com 4 mechanical dimensions d-pak dimensions in millimeters
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