This part is a kind of semiconductor called 10NK70Z.

Function of this product has STP10NK70Z.

Manufacturers : STMicroelectronics

Image and pinout :

Some of the text within the PDF file :

STP10NK70Z STP10NK70ZFP N-CHANNEL 700V - 0.75Ω - 8.6A TO-220/TO-220FP Zener-Protected SuperMESH™Power MOSFET TYPE STP10NK70Z STP10NK70ZFP s s s s s s s VDSS 700 V 700 V RDS(on) < 0.85 Ω < 0.85 Ω ID 8.6 A 8.6 A Pw 150 W 35 W TYPICAL RDS(on) = 0.75 Ω EXTREMELY HIGH dv/dt CAPABILITY IMPROVED ESD CAPABILITY 100% AVALANCHE RATED GATE CHARGE MINIMIZED VERY LOW INTRINSIC CAPACITANCES VERY GOOD MANUFACTURING REPEATIBILITY 3 1 2 TO-220 TO-220FP DESCRIPTION The SuperMESH™ series is obtained through an extreme optimization of ST’s well established stripbased PowerMESH™ layout. In addition to pushing on-resistance significantly down, special care is taken to ensure a very good dv/dt capability for the most demanding applications. Such series complements ST full range of high v [ ... ]

10NK70Z PDF Datasheet Download