ARF794HT

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