This part is a kind of semiconductor called K3067.

Function of this product has 2SK3067.

Manufacturers : Toshiba Semiconductor

Image and pinout :

Some of the text within the PDF file :

2SK3067 TOSHIBA Field Effect Transistor Silicon N Channel MOS Type (π−MOSV) 2SK3067 Chopper Regulator, DC−DC Converter and Motor Drive Applications l Low drain−source ON resistance l High forward transfer admittance l Low leakage current l Enhancement−mode : RDS (ON) = 4.2 Ω (typ.) : |Yfs| = 1.7 S (typ.) Unit: mm : IDSS = 100 µA (max) (VDS = 600 V) : Vth = 2.0~4.0 V (VDS = 10 V, ID = 1 mA) Maximum Ratings (Tc = 25°C) Characteristics Drain−source voltage Drain−gate voltage (RGS = 20 kΩ) Gate−source voltage DC Drain current (Note 1) Symbol VDSS VDGR VGSS ID IDP IDP PD EAS IAR EAR Tch Tstg Rating 600 600 ±30 2 5 8 25 93 2 2.5 150 −55~150 Unit V V V A A A W mJ A mJ °C °C Pulse (t = 1 ms) (Note 1) Pulse (t = 100 µs) (Note 1) Drain power diss [ ... ]

K3067 PDF Datasheet Download