ARF322 POSEICO | Alldatasheet
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FAST RECOVERY DIODE ARF322 Repetitive voltage up to 1600 V Mean forward current 740 A Surge current 11 kA FINAL SPECIFICATION ott 97 - ISSUE : 04 Symbol Characteristic Conditions Tj [°C] Value Unit BLOCKING V RRM Repetitive peak reverse voltage 125 1600 V V RSM Non-repetitive peak reverse voltage 125 1700 V I RRM Repetitive peak reverse current V=VRRM 125 50 mA CONDUCTING I F (AV) Mean forward current 180° sin ,50 Hz, Th=55°C, double side cooled 740 A I F (AV) Mean forward current 180° square,50 Hz,Th=55°C,double side cooled 740 A I FSM Surge forward current Sine wave, 10 ms 125 11 kA I² t I² t reapplied reverse voltage up to 50% VRSM 605 x1E3 A²s V FM Forward voltage Forward current =1200 A 25 1.65 V V F(TO) Threshold voltage 125 0.90 V r F Forward slope resistance 125 0.500 mohm SWITCHING t rr Reverse recovery time I F = 1000 A 2.0 µs Q rr Reverse recovery charge di/dt= 60 A/µs 125 60 µC I rr Peak reverse recovery current VR = 50 V 70 A s Softness (s-factor), min 0.5 V FR Peak forward recovery di/dt= 100 A/µs 4 V MOUNTING R th(j-h) Thermal impedance Junction to heatsink, double side cooled 52 °C/kW T j Operating junction temperature -30 / 125 °C F Mounting force 8.4 / 9.4 kN Mass 280 g ORDERING INFORMATION : ARF322 S 16 standard specification VRRM/100 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 - ANSALDO Ansaldo Trasporti s.p.a. Unita' Semiconduttori
ARF322 FAST RECOVERY DIODE FINAL SPECIFICATION ott 97 - ISSUE : 04 DISSIPATION CHARACTERISTICS SQUARE WAVE DC SINE WAVE DC DC 180° 120°90° 60° 30° 200 400 600 800 1000 1200 1400 0 200 400 600 800 1000 Mean Forward Current [A] Power Dissipation [W] ANSALDO 180° 120° 90° 60° 30° 200 400 600 800 1000 1200 1400 0 200 400 600 800 1000 Mean Forward Current [A] Power Dissipation [W]
ARF322 FAST RECOVERY DIODE FINAL SPECIFICATION ott 97 - ISSUE : 04 SWITCHING CHARACTERISTICS ANSALDO REVERSE RECOVERY CHARGE Tj = 125 °C 100 120 140 160 180 0 100 200 300 400 di/dt [A/µs] Qrr [µC] 250 A 500 A 1000 A REVERSE RECOVERY CURRENT Tj = 125 °C 100 150 200 250 0 100 200 300 400 di/dt [A/µs] Irr [A] 1000 A 500 A 250 A FORWARD RECOVERY VOLTAGE 0.00 1.00 2.00 3.00 4.00 5.00 6.00 7.00 8.00 9.00 10.00 0 50 100 150 200 250 300 350 di/dt [A/µs] VFR [V] Tj = 125 °C IF VFR VF ta ta = Irr / (di/dt) tb = trr - ta Softness (s factor) s = tb / ta Energy dissipation during recovery Er = Vr · (Qrr - Irr ·ta / 2 ) Irr Vr tb IF d i/d t
ARF322 FAST RECOVERY DIODE FINAL SPECIFICATION ott 97 - ISSUE : 04 Distributed by FORWARD CHARACTERISTIC Tj = 125 °C 500 1000 1500 2000 2500 Forward Voltage [V] Forward Current [A] TRANSIENT THERMAL IMPEDANCE DOUBLE SIDE COOLED 0.0 10.0 20.0 30.0 40.0 50.0 60.0 0.001 0.01 0.1 1 10 100 t[s] Zth j-h [°C/kW] SURGE CHARACTERISTIC Tj = 125 °C 1 10 100 n° cycles ITSM [kA] All the characteristics given in this data sheet are guaranteed only with uniform clamping force, cleaned and lubricated heatsink, surfaces with flatness < .03 mm and roughness < 2 µm. In the interest of product improvement ANSALDO reserves the right to change any data given in this data sheet at any time without previous notice. If not stated otherwise the maximum value of ratings (simbols over shaded background) and characteristics is reported. ANSALDO