Part Number : BUZ74
Function : 500V, 2.4A, SIPMOS Power Transistor
Package : TO-220AB Type
Maker : Siemens AG
Pinouts : 
Description :
They are intended for use in switched mode power supplies, motor control, welding,
DC-DC & DC-AC converters, and in general purpose switching applications.
Features :
• N channel
• Enhancement mode
• Avalanche-rated
Datasheet PDF Download : 
Others datasheet of same file : BUZ-74, C67078-S1314-A2