STB20NK50Z_09 Datasheet, PDF (4/18 Pages) STMicroelectronics – N-channel 500 V, 0.23 Ω, 17 A SuperMESH™ Power MOSFET Zener-protected TO-220, TO-247, TO-220FP, D2PAK

Electrical ratings
Table 4. Avalanche characteristics
Symbol
Parameter
I_AR
Avalanche current, repetitive or not-repetitive (pulse
width limited by Tj Max)
Single pulse avalanche energy
E_AS
(starting T_J=25 °C, I_D=I_AR, V_DD=50 V)
STx20NK50Z
Value
Unit
17
A
850
mJ
4/18
Doc ID 9118 Rev 9