ST STP20NK50Z - STW20NK50Z STB20NK50Z - STB20NK50Z-S N-CHANNEL 500V -0.23 - 17A TO-220/D2 PAK/I 2 SPAK/TO-247 Zener-Protected SuperMESH MOSFET handbook
Datasheet
The STB20NK50Z/STW20NK50Z is a 500V/17A N-channel MOSFET with extremely low on-resistance and excellent dv/dt capability. It is ideal for high-frequency switching power supplies, adaptors and PFC applications.