power management 1 www.semtech.com PFF50 axial leaded hermetically sealed high voltage superfast recti er diode power discretes features very low reverse recovery time avalanche capability glass passivated for hermetic sealing low switching losses soft, non-snap off, recovery characteristics these diodes can also be available as screened f and fx level parts january 11, 2007 b b a d c dim mm inches min max min max a - 5.5 - 0.215 b 25.4 33.02 1.0 1.3 c - 8.89 - 0.350 d 0.94 1.1 0.037 0.043 parameter symbol max units working reverse voltage v rwm 5000 v repetitive reverse voltage v rrm 5000 v average forward current (@55c, lead length 0.375?) i f(av) 0.36 a repetitive surge current @25c i frm 4a non-repetitive surge current @25c (t p = 8.3ms) i fsm 20 a storage temperature range t stg -65 to +200 c operating temperature range t op -65 to +175 c absolute maximum rating parameter condition symbol PFF50 units average forward current (max at 55c) i f(av) 0.36 a (max at 100c) 0.18 forward voltage drop (max @ i f = 0.2a, t j = 25c) v f 12.5 v reverse current (max at v rwm, t j = 25c) i r 1 a (max at v rwm , t j = 100c) 25 reverse recovery time (0.5a if to 1.0a irm. recover to 0.25a irm(rec)) t rr 35 ns junction capacitance (typ) 50v dc @ 1khz c j 16 pf electrical characteristics thermal characteristics symbol PFF50 unit thermal impedance j-l l = 0.000, 3 c/w l = 0.125, 6 c/w l = 0.250, 12 c/w *cathode denoted by a black band ordering information part number description PFF50 axial leaded, hermetically sealed high-voltage superfast recti er diode (1) note: (1) available in bulk or tape and reel packaging. please consult factory for quantities. outline drawing
2 ? 2006 semtech corp. PFF50 www.semtech.com power discretes typical characteristics
? 2006 semtech corp. www.semtech.com PFF50 3 power discretes semtech corporation power discretes products division 200 flynn road, camarillo, ca 93012 phone: (805) 498-2111 fax: (805) 498-3804 contact information www.semtech.com
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