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 6442510 POSEICO POSEICO SPA POwer SEmiconductors Italian COrporation FAST RECOVERY DIODE FOR IGBT,IEGT,GCT APPLICATIONS SNUBBERLESS OPERATION LOW LOSSES SOFT RECOVERY ARF794HT Repetitive voltage up to Mean forward current Surge current 6000 V 1060 A 20 kA TARGET SPECIFICATION mar 03 - ISSUE : 2 Symbol Characteristic Tj [°C] Conditions Value Unit BLOCKING V RRM Repetitive peak reverse voltage 125 6000 V V RSM Non-repetitive peak reverse voltage 125 6100 V I RRM Repetitive peak reverse current V DC LINK Permanent DC voltage V=VRRM 125 125 mA 3200 V CONDUCTING I F (AV) Mean forward current 180° sin ,50 Hz, Th=55°C, double side cooled 1060 A I F (AV) Mean forward current 180° square,50 Hz,Th=55°C,double side cooled 1110 A I FSM Surge forward current Sine wave, 10 ms reapplied reverse voltage up to 50% VRSM 125 20 kA Forward current = 1570 25 5.6 V V I² t I² t V FM Forward voltage V F(TO) Threshold voltage 125 2.10 r F Forward slope resistance 125 1.40 A 2000 x1E3 A²s mohm SWITCHING Q rr Reverse recovery charge I rr Peak reverse recovery current t rr Reverse recovery time Q rr Reverse recovery charge I rr Peak reverse recovery current s Softness (s-factor), min E OFF Turn off energy dissipation V FR Peak forward recovery IF= VR = 1000 A 100 V IF= 1000 A di/dt= di/dt= 250 A/µs 125 µC 125 A µs 500 A/µs VR = V 125 4000 µC 1600 A J di/dt= 500 A/µs 125 V MOUNTING R th(j-h) Thermal impedance Junction to heatsink, double side cooled R th(c-h) Thermal impedance Case to heatsink, double side cooled T F j 11 °C/kW 2 °C/kW Operating junction temperature -30 / 125 °C Mounting force 46.0 / 54.0 kN Mass 1700 ORDERING INFORMATION : ARF794HT S 60 standard specification VRRM/100 g ARF794HT FAST RECOVERY DIODE TARGET SPECIFICATION POSEICO POSEICO SPA POwer SEmiconductors Italian COrporation mar 03 - ISSUE : 2 FORWARD CHARACTERISTIC Tj = 125 °C SURGE CHARACTERISTIC Tj = 125 °C 25 3500 3000 20 ITSM [kA] Forward Current [A] 2500 2000 1500 15 10 1000 5 500 0 0 0 2 4 6 8 1 Forward Voltage [V] 10 n° cycles TRANSIENT THERMAL IMPEDANCE DOUBLE SIDE COOLED 12.0 Zth j-h [°C/kW] 10.0 8.0 6.0 4.0 2.0 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