This is one of the types of MOSFETs and is a kind of transistor.
Part Number: KIA50N06
Function : N-Channel MOSFET, 50 Amps, 60 Volts
Package: TO-220, TO-220F Type
Manufacturer: KIA Semicondcutors
See the preview image and the PDF file for more information.
The KIA50N06 is three-terminal silicon device with current conduction capability of about 50A, fast switching speed. Low on-state resistance, breakdown voltage rating of 60V, and max threshold voltages of 4 volt. It is mainly suitable electronic ballast, and low power switching.
2. Ultra low gate charge (typical 30nC)
3. Low reverse transfer capacitance
4. Fast switching capability
5. 100％ avalanche energy specified
6. Improved dv/dt capability