This is one of the types of MOSFETs and is a kind of transistor.
Part Number: 2SK2746, Marking : K2746
Function: 800V, 7A, N-CHANNEL MOSFET
Package: TO-3P Type
Manufacturer: Toshiba Semiconductor
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Description
This is 800V, 7A, Silicon N Channel MOS Type Field Effect Transistor.
Features
1. Low drain−source ON resistance : RDS (ON)= 1.3 Ω(typ.)
2. High forward transfer admittance : |Yfs| = 5.0 S (typ.)
3. Low leakage current : IDSS= 100 μA (max) (VDS= 640 V)
4. Enhancement mode : Vth= 2.0~4.0 V (VDS= 10 V, ID= 1 mA)
Pinout
Absolute Maximum Ratings (Ta = 25°C)
1. Drain-source voltage: VDSS = 800 V
2. Drain-gate voltage (RGS= 20 kΩ): VDGR = 800 V
3. Gate to source voltage: VGSS = ± 30 V
4. Drain current: ID = 7 A
5. Drain power dissipation (Tc = 25°C): PD = 150 W
6. Single pulse avalanche energy : EAS = 673 mJ
7. Avalanche current : IAR = 7 A
8. Repetitive avalanche energy : EAR = 15 mJ
Applications:
1. DC-DC Converter
2. Motor Drive