Part Number : K1052
Function : N-Channel Silicon MOSFET, Transistor
Package : TO-220AB Type
Maker : SANYO , Panasonic
Pinouts : 
Description :
1. Low ON-state resistance.
2. Ultrahigh-speed switching.
Test Circuits :
Absolute Maximum Ratings (Ta = 25°C)
1. Drain to source voltage : VDSS = 450 V
2. Gate to source voltage : VGSS = ± 30 V
3. Drain current : ID = 0.5 A
4. Channel dissipation : Pd = 30 W
5. Channel temperature : Tch = 150 °C
6. Storage temperature : Tstg = -55 to +150 °C
Applications :
1. High-Frequency General-Purpose Amp
2. Designed for high voltage, high speed power switchingapplications such as switching regulators, converters,solenoid and relay drivers.
Datasheet PDF Download : 
Others datasheet of same file : 2SK1052