This part is a kind of semiconductor called 2SK1170.

Function of this product has Silicon N Channel MOS FET.

Manufacturers : Renesas

Image and pinout :

Some of the text within the PDF file :

2SK1169, 2SK1170 Silicon N Channel MOS FET Application High speed power switching Features • Low on-resistance • High speed switching • Low drive current • No secondary breakdown • Suitable for switching regulator and DC-DC converter Outline RENESAS Package code: PRSS0004ZE-A (Package name: TO-3P) 1 2 3 REJ03G0916-0200 (Previous: ADE-208-1254) Rev.2.00 Sep 07, 2005 D G 1. Gate 2. Drain (Flange) 3. Source S Rev.2.00 Sep 07, 2005 page 1 of 6 2SK1169, 2SK1170 Absolute Maximum Ratings Item Drain to source voltage 2SK1169 2SK1170 Gate to source voltage Drain current Drain peak current Body to drain diode reverse drain current Channel dissipation Channel temperature Storage temperature Notes: 1. PW ≤ 10 µs, duty cycle ≤ 1% 2. Value at TC = 25°C Symbol VDSS [ ... ]

2SK1170 PDF Datasheet Download