POSEICO SPA Via N. Lorenzi 8, 16152 Genova - ITALY Tel. +39 010 6556234 - Fax +39 010 6557519 Sales Office: Tel. +39 010 6556775 - Fax +39 010 6445141 POSEICO POSEICO SPA POwer SEmiconductors Italian COrporation FAST RECOVERY DIODE ARF422 Repetitive voltage up to Mean forward current Surge current 1600 V 940 A 14 kA TARGET SPECIFICATION apr 06 - ISSUE : 03 Symbol Characteristic Tj [°C] Conditions 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 125 50 mA V=VRRM 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 reapplied reverse voltage up to 50% VRSM 14 kA I² t I² t V FM Forward voltage V F(TO) r F 125 980 x1E3 Forward current =1200 A A²s 125 1,62 V Threshold voltage 125 1,20 V Forward slope resistance 125 0,350 mohm SWITCHING t rr Reverse recovery time Q rr Reverse recovery charge IF= 1000 A di/dt= 60 A/µs VR = 50 V 125 3,5 µs 200 µC A I rr Peak reverse recovery current 120 s Softness (s-factor), min 0,5 V FR Peak forward recovery di/dt= 100 A/µs 125 5 V 37 °C/kW MOUNTING R th(j-h) Thermal impedance T Operating junction temperature -30 / 125 °C Mounting force 11.8 / 13.2 kN F j Junction to heatsink, double side cooled Mass 300 ORDERING INFORMATION : ARF422 S 16 standard specification VRRM/100 g ARF422 FAST RECOVERY DIODE TARGET SPECIFICATION POSEICO POSEICO SPA POwer SEmiconductors Italian COrporation apr 06 - ISSUE : 03 FORWARD CHARACTERISTIC Tj = 125 °C SURGE CHARACTERISTIC Tj = 125 °C 3000 16 14 2500 2000 10 ITSM [kA] Forward Current [A] 12 1500 8 6 1000 4 500 2 0 0 0,6 1,1 1,6 2,1 2,6 1 Forward Voltage [V] 10 n° cycles TRANSIENT THERMAL IMPEDANCE DOUBLE SIDE COOLED 40,0 35,0 Zth j-h [°C/kW] 30,0 25,0 20,0 15,0 10,0 5,0 0,0 0,001 0,01 0,1 1 10 100 t[s] Distributed by 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 POSEICO SpA 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. 100