FAST RECOVERY DIODE ARF794HT
FOR IGBT,IEGT,GCT APPLICATIONS
Repetitive voltage up to 6000 V
SNUBBERLESS OPERATION
Mean forward current 1060 A
LOW LOSSES SOFT RECOVERY
Surge current 20 kA
TARGET SPECIFICATION
mar 03 - ISSUE : 2
Symbol Characteristic Conditions
Tj
[°C]
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=VRRM 125 mA
V DC LINK Permanent DC voltage 125 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 125 20 kA
I² t I² t
reapplied reverse voltage up to 50% VRSM
2000 x1E3 A²s
V FM Forward voltage Forward current = 1570 A 25 5.6 V
V F(TO) Threshold voltage 125 2.10 V
r F Forward slope resistance 125 1.40 mohm
SWITCHING
Q rr Reverse recovery charge I F = 1000 A di/dt= 250 A/µs 125 µC
I rr Peak reverse recovery current
VR = 100 V
125 A
t rr Reverse recovery time I F = 1000 A µs
Q rr Reverse recovery charge
di/dt= 500 A/µs
4000 µC
I rr Peak reverse recovery current
VR = V
125 1600 A
s Softness (s-factor), min
E OFF Turn off energy dissipation J
V FR Peak forward recovery di/dt= 500 A/µs 125 V
MOUNTING
R th(j-h) Thermal impedance Junction to heatsink, double side cooled 11 °C/kW
R th(c-h) Thermal impedance Case to heatsink, double side cooled 2 °C/kW
T j Operating junction temperature -30 / 125 °C
F Mounting force 46.0 / 54.0 kN
Mass 1700 g
ORDERING INFORMATION : ARF794HT S 60
standard specification VRRM/100
POSEICO SPA
POwer SEmiconductors Italian COrporation
POSEICO
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