This is one of the types of MOSFETs and is a kind of transistor.
Part Number: K5A50D, TK5A50D
Function: 500V, 5A, Silicon N Channel MOSFET
Package: TO220F Type
Manufacturer: Toshiba
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Description
This is 500V, 5A, Silicon N Channel MOS Type Field Effect Transistor.
Search Part number : K5A50D -> Correct Part number : TK5A50D
Features
1. Low drain-source ON-resistance: RDS (ON)= 1.3 Ω(typ.)
2. High forward transfer admittance: ⎪Yfs⎪= 3.0 S (typ.)
3. Low leakage current: IDSS= 10 μA (max) (VDS= 500 V)
4. Enhancement mode: Vth= 2.4 to 4.4 V (VDS= 10 V, ID= 1 mA)
Pinout
Absolute Maximum Ratings (Ta = 25°C)
1. Drain to source voltage: VDSS = 500 V
2. Gate to source voltage: VGSS = ± 30 V
3. Drain current: ID = 5 A
4. Drain Power Dissipation: Pd = 35 W
5. Channel temperature: Tch = 150 °C
6. Storage temperature: Tstg = -55 to +150 °C
K5A50D Datasheet PDF
Other data sheets are available within the file: K5A500, TK5A500, TK5A50D