PFM50

PFM50 is a type of axial leaded hermetically sealed high voltage fase rectifier diode, PFM50 has five unique features: the first one is low reverse recovery time. The second one is very low leakage current. The third one is glass passivated for hermetic sealing. The forth one is avalance capability. The fifth one is soft,non-snap off, recovery charactersitics.

There are some absolute maximum ratings about PFM50(@25 unless otherwise noted). Working reverse voltage(V_RWM) is 5000 W. Repetitive reverse voltage(V_RRM) is 5650 V. Surge reverse voltage(V_RSM) is 5650 V. Average forward current(I_F(AV) ) is 92 mA(@55 in oil). Non-Repetitive surge current(I_FSM) is 2.0 A(tp is 8.3mS,@V_R and Tjmax).Storage temperature range(T_STG) is -65 to +175. Operating temperature range(T_OP) is -65 to +175.Othewise, there are also some electrical charactersitics about it(@25 unless otherwise noted).Average forward current max(pcb mounted;Ta is 55)(I_F(AV) ) is 47 mA for sine wave and is 50 mA for square wave(d is 0.5).Average forward current max(unstirred oil at 55)(I_F(AV) ) is 84 mA for sine wave and is 92 mA for square wave. I²t for fusing(t is 8.3mS)max(I²t) is 0.017 A2S. Forward voltage drop max(@I_F is 25 mA , Tj is 25)(VF) is 12.5 V.Reverse current max(I_R) is 0.03 uA(@VRWM,Tj is 25). Reverse recovery time max(trr) is 250 nS(50 mA I_F,100 mA I_R, 25 mA IRR).Junction capacitance typ(Cj) is 0.75 pF(@ V_R is 5 V and f is 1 MHz).

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