ARF422 POSEICO | Alldatasheet
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FAST RECOVERY DIODE ARF422 Repetitive voltage up to 1600 V Mean forward current 940 A Surge current 14 kA TARGET SPECIFICATION feb 97 - ISSUE : 02 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 940 A I F (AV) Mean forward current 180° square,50 Hz,Th=55°C,double side cooled 930 A I FSM Surge forward current Sine wave, 10 ms 125 14 kA I² t I² t reapplied reverse voltage up to 50% VRSM 980 x1E3 A²s V FM Forward voltage Forward current =1200 A 125 1.57 V V F(TO) Threshold voltage 125 1.20 V r F Forward slope resistance 125 0.350 mohm SWITCHING t rr Reverse recovery time I F = 1000 A 3.5 µs Q rr Reverse recovery charge di/dt= 60 A/µs 125 200 µC I rr Peak reverse recovery current VR = 50 V 120 A s Softness (s-factor), min 0.5 V FR Peak forward recovery di/dt= 100 A/µs 125 5 V MOUNTING R th(j-h) Thermal impedance Junction to heatsink, double side cooled 37 °C/kW T j Operating junction temperature -30 / 125 °C F Mounting force 11.8 / 13.2 kN Mass 300 g ORDERING INFORMATION : ARF422 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
ARF422 FAST RECOVERY DIODE TARGET SPECIFICATION feb 97 - ISSUE : 02 Distributed by FORWARD CHARACTERISTIC Tj = 125 °C 500 1000 1500 2000 2500 3000 Forward Voltage [V] Forward Current [A] TRANSIENT THERMAL IMPEDANCE DOUBLE SIDE COOLED 0.0 5.0 10.0 15.0 20.0 25.0 30.0 35.0 40.0 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