This part is a kind of semiconductor called 2SK3880.

Function of this product has Field Effect Transistor / Silicon N-Channel MOS Type.

Manufacturers : Toshiba

Image and pinout :

Some of the text within the PDF file :

2SK3880 TOSHIBA Field Effect Transistor Silicon N-Channel MOS Type (π-MOSIV) 2SK3880 Switching Regulator Applications • • • • Low drain-source ON resistance: RDS (ON) = 1.35Ω (typ.) High forward transfer admittance: |Yfs| = 5.2 S (typ.) Low leakage current: IDSS = 100μA (max) (VDS = 640 V) Enhancement model: Vth = 2.0~4.0 V (VDS = 10 V, ID = 1 mA) Unit: mm Maximum Ratings (Ta = 25°C) Characteristics Drain-source voltage Drain-gate voltage (RGS = 20 kΩ) Gate-source voltage Drain current DC Pulse (Note 1) (Note 1) Symbol VDSS VDGR VGSS ID IDP PD EAR IAR EAR Tch Tstg Rating 800 800 ±30 6.5 19.5 80 375 6.5 8 150 −55~150 Unit V V V A W mJ A mJ °C °C Drain power dissipation (Tc = 25°C) Single pulse avalanche energy (Note 2) Avalanche current Repetitive avalanche energy (No [ ... ]

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