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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 ARF422 Repetitive voltage up to Mean forward current Surge current 1600 V 940 A 14 kA TARGET SPECIFICATION feb 97 - ISSUE : 02 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 125 940 930 14 980 x1E3 A A kA As V V mohm F (AV) FSM I t V FM V F(TO) r F Forward current = 1200 A 125 125 125 1.57 1.20 0.350 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 125 I F = 1000 A di/dt= VR = 60 A/s 50 V 120 0.5 5 V A 125 3.5 200 s C MOUNTING R th(j-h) T F j Thermal impedance Operating junction temperature Mounting force Mass Junction to heatsink, double side cooled 37 -30 / 125 11.8 / 13.2 300 C/kW C kN g ORDERING INFORMATION : ARF422 S 16 standard specification VRRM/100 ARF422 FAST RECOVERY DIODE TARGET SPECIFICATION feb 97 - ISSUE : 02 ANSALDO FORWARD CHARACTERISTIC Tj = 125 C SURGE CHARACTERISTIC Tj = 125 C 3000 14 12 10 2500 Forward Current [A] 2000 ITSM [kA] 0.6 1.1 1.6 2.1 2.6 8 6 4 500 2 0 1 10 n cycles 100 Forward Voltage [V] 1500 1000 0 TRANSIENT THERMAL IMPEDANCE DOUBLE SIDE COOLED 40.0 35.0 30.0 Zth j-h [C/kW] 25.0 20.0 15.0 10.0 5.0 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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