Part Number : K1517
Function : 450V, 20A, MOSFET, Transistor
Package : TO-3P type
Maker : Renesas Electronics
Pinouts : 
Description :
Silicon N-Channel MOSFET
Features :
• Low on-resistance
• High speed switching
• Low drive current
• Built-in fast recovery diode (trr = 120 ns)
• Suitable for motor control, switching regulator, DC-DC converter
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 = 20 A
4. Channel dissipation : Pch = 120 W
5. Channel temperature : Tch = 150 °C
6. Storage temperature : Tstg = -55 to +150 °C
Datasheet PDF Download : 
Others datasheet of same file : 2SK1517, 2SK1518, K1518