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| BAW78.../BAW79... Silicon Switching Diodes Switching applications High breakdown voltage BAW78D 2 BAW79D 2 1 2 3 1 2 3 Type BAW78D BAW79D Parameter Package SOT89 SOT89 Configuration single common cathode Symbol VR VRM IF IFM IFS Ptot Value Marking GD GH Unit Maximum Ratings at TA = 25C, unless otherwise specified Diode reverse voltage Peak reverse voltage Forward current Peak forward current Surge forward current, t = 1 s Total power dissipation BAW78D, TS 125C BAW79D, TS 115C Junction temperature Storage temperature Thermal Resistance Parameter 400 400 1 1 10 V A W 1 1 Tj Tstg Symbol RthJS 150 -65 ... 150 Value 25 35 C Unit Junction - soldering point1) BAW78D BAW79D 1 K/W Feb-03-2003 BAW78.../BAW79... 1For calculation of RthJA please refer to Application Note Thermal Resistance Electrical Characteristics at T A = 25C, unless otherwise specified Parameter Symbol Values Unit min. typ. max. DC Characteristics 400 V Breakdown voltage V(BR) I (BR) = 100 A Reverse current VR = 400 V VR = 400 V, TA = 150 C Forward voltage IF = 1 A IF = 2 A AC Characteristics Diode capacitance VR = 0 V, f = 1 MHz Reverse recovery time I F = 200mA, I R = 200mA, measured at I R = 20mA RL = 100 Test circuit for reverse recovery time D.U.T. IR - 1 50 A VF CT t rr , V 10 1 1.6 2 pF s Puls generator: t p = 10s, D = 0.05, tr = 0.6ns, R i = 50 Oscillograph F EHN00019 Oscillograp: R = 50, tr = 0.35ns C 1pF 2 Feb-03-2003 BAW78.../BAW79... Reverse current IR = VR = 400V 10 5 nA BAW 78A...D TA = 25C EHB00097 10 1 BAW 78A...D R F max A 10 4 5 10 0 10 3 5 typ. 10 -1 10 2 5 10 -2 10 1 0 50 100 C TA 150 10 -3 0 BAW78D EHB00100 10 2 BAW 79A...D FM A 10 1 D = 0.005 0.01 0.02 0.05 0.1 0.2 IF 1200 mA 1000 900 800 700 600 500 400 10 0 10 -1 300 tp tp D= T T 200 100 10-2 10-6 10-5 10-4 10-3 10-2 10-1 s 100 0 0 15 30 45 60 t 3 Peak forward current IFM = (tp) Forward current IF = (TA ) Forward current IF = (VF) EHB00095 1 V VF 2 (TS ) 75 90 105 120 C 150 TS Feb-03-2003 BAW78.../BAW79... Forward current IF = BAW79D 1200 mA 1000 900 800 (TS ) IF 700 600 500 400 300 200 100 0 0 15 30 45 60 75 90 105 120 C 150 TS 4 Feb-03-2003 |
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