This part is a kind of semiconductor called B9NK70Z.

Function of this product has STB9NK70Z.

Manufacturers : ST Microelectronics

Image and pinout :

Some of the text within the PDF file :

N-CHANNEL 700V - 1Ω - 7.5A TO-220/FP/D2PAK/I2PAK/TO-247 Zener-Protected SuperMESH™Power MOSFET TYPE STP9NK70Z STP9NK70ZFP STB9NK70Z STB9NK70Z-1 STW9NK70Z s s s s s s s STP9NK70Z - STP9NK70ZFP STB9NK70Z - STB9NK70Z-1 - STW9NK70Z VDSS 700 700 700 700 700 V V V V V RDS(on) < 1.2 < 1.2 < 1.2 < 1.2 < 1.2 Ω Ω Ω Ω Ω ID 7.5 A 7.5 A 7.5 A 7.5 A 7.5 A Pw 115 W 35 W 115 W 115 W 156 W 3 3 1 2 2 1 TYPICAL RDS(on) = 1.0 Ω EXTREMELY HIGH dv/dt CAPABILITY IMPROVED ESD CAPABILITY 100% AVALANCHE RATED GATE CHARGE MINIMIZED VERY LOW INTRINSIC CAPACITANCES VERY GOOD MANUFACTURING REPEATIBILITY TO-220 TO-247 TO-220FP 3 I2PAK 3 12 1 D2PAK DESCRIPTION The SuperMESH™ series is obtained through an extreme optimization of ST’s well established stripbased PowerMESH™ layout. In ad [ ... ]

B9NK70Z PDF Datasheet Download