This part is a kind of semiconductor called K6A60D.
Function of this product has TK6A60D.
Manufacturers : Toshiba Semiconductor
Image and pinout :
Some of the text within the PDF file :
TK6A60D TOSHIBA Field Effect Transistor Silicon N Channel MOS Type (π-MOSⅦ) TK6A60D Switching Regulator Applications • • • • Low drain-source ON-resistance: RDS (ON) = 1.0 Ω (typ.) High forward transfer admittance: |Yfs| = 3.0 S (typ.) Low leakage current: IDSS = 10 μA (VDS = 600 V) Enhancement mode: Vth = 2.0 to 4.0 V (VDS = 10 V, ID = 1 mA) Unit: mm Absolute Maximum Ratings (Ta = 25°C) Characteristics Drain-source voltage Gate-source voltage DC Drain current (Note 1) Symbol VDSS VGSS ID IDP PD EAS IAR EAR Tch Tstg Rating 600 ±30 6 24 40 173 6 4.0 150 -55 to 150 A W mJ A mJ °C °C 1: Gate 2: Drain 3: Source Unit V V Pulse (t = 1 ms) (Note 1) Drain power dissipation (Tc = 25°C) Single pulse avalanche energy (Note 2) Avalanche current Repetitive avalanche energy (Note [ ... ]