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| ANSALDO Ansaldo Trasporti s.p.a. Unita' Semiconduttori Via N. Lorenzi 8 - I 16152 GENOVA - ITALY Tel. int. +39/(0)10 6556549 - (0)10 6556488 Fax Int. +39/(0)10 6442510 Tx 270318 ANSUSE I - FAST RECOVERY DIODE ARF322 Repetitive voltage up to Mean forward current Surge current 1600 V 740 A 11 kA FINAL SPECIFICATION ott 97 - ISSUE : 04 Symbol Characteristic Conditions Tj [C] Value Unit BLOCKING V RRM V RSM I RRM Repetitive peak reverse voltage Non-repetitive peak reverse voltage Repetitive peak reverse current V=VRRM 125 125 125 1600 1700 50 V V mA CONDUCTING I I I F (AV) Mean forward current Mean forward current Surge forward current I t Forward voltage Threshold voltage Forward slope resistance 180 sin ,50 Hz, Th=55C, double side cooled 180 square,50 Hz,Th=55C,double side cooled Sine wave, 10 ms reapplied reverse voltage up to 50% VRSM 125 740 740 11 605 x1E3 A A kA As V V mohm F (AV) FSM I t V FM V F(TO) r F Forward current = 1200 A 25 125 125 1.65 0.90 0.500 SWITCHING t rr Q rr I rr s V FR Reverse recovery time Reverse recovery charge Peak reverse recovery current Softness (s-factor), min Peak forward recovery di/dt= 100 A/s I F = 1000 A di/dt= VR = 60 A/s 50 V 70 0.5 4 V A 125 2.0 60 s C MOUNTING R th(j-h) T F j Thermal impedance Operating junction temperature Mounting force Mass Junction to heatsink, double side cooled 52 -30 / 125 8.4 / 9.4 280 C/kW C kN g ORDERING INFORMATION : ARF322 S 16 standard specification VRRM/100 ARF322 FAST RECOVERY DIODE FINAL SPECIFICATION ott 97 - ISSUE : 04 ANSALDO DISSIPATION CHARACTERISTICS SQUARE WAVE 1400 DC 1200 DC 180 Power Dissipation [W] 1000 60 90 120 800 30 600 400 200 0 0 200 400 600 800 1000 Mean Forward Current [A] SINE WAVE 1400 1200 Power Dissipation [W] 1000 90 180 DC 120 800 600 400 200 0 0 200 30 60 400 600 800 1000 Mean Forward Current [A] ARF322 FAST RECOVERY DIODE FINAL SPECIFICATION ott 97 - ISSUE : 04 ANSALDO SWITCHING CHARACTERISTICS FORWARD RECOVERY VOLTAGE 10.00 9.00 8.00 7.00 6.00 VFR [V] 5.00 4.00 VFR 3.00 2.00 1.00 0.00 0 50 100 150 200 250 300 350 di/dt [A/s] VF IF Tj = 125 C REVERSE RECOVERY CHARGE Tj = 125 C 180 160 140 120 Qrr [C] 100 80 60 40 20 0 0 100 200 di/dt [A/s] 300 400 0 0 50 500 A 1000 A REVERSE RECOVERY CURRENT Tj = 125 C 250 1000 A 500 A 250 A 200 250 A 150 Irr [A] 100 100 200 di/dt [A/s] 300 400 ta = Irr / (di/dt) tb = trr - ta IF d i/d t ta tb Softness (s factor) s = tb / ta Energy dissipation during recovery Er = Vr * (Qrr - Irr *ta / 2 ) Irr Vr ARF322 FAST RECOVERY DIODE FINAL SPECIFICATION ott 97 - ISSUE : 04 ANSALDO FORWARD CHARACTERISTIC Tj = 125 C SURGE CHARACTERISTIC Tj = 125 C 2500 12 2000 Forward Current [A] 10 8 ITSM [kA] 0.6 1.1 1.6 2.1 2.6 1500 6 1000 4 500 2 0 Forward Voltage [V] 0 1 10 n cycles 100 TRANSIENT THERMAL IMPEDANCE DOUBLE SIDE COOLED 60.0 50.0 40.0 Zth j-h [C/kW] 30.0 20.0 10.0 0.0 0.001 0.01 0.1 t[s] 1 10 100 Distributed by All the characteristics given in this data sheet are guaranteed only with clamping force, cleaned and lubricated heatsink, surfaces with flatness < and roughness < 2 m. In the interest of product improvement ANSALDO reserves the right to any data given in this data sheet at any time without previous notice. If not stated otherwise the maximum value of ratings (simbols over background) and characteristics is reported. uniform .03 mm change shaded |
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