This part is a kind of semiconductor called 13NK50Z.

Function of this product has STF13NK50Z.

Manufacturers : STMicroelectronics

Image and pinout :

Some of the text within the PDF file :

STF13NK50Z STP13NK50Z, STW13NK50Z N-channel 500 V, 0.40 Ω, 11 A TO-220, TO-220FP, TO-247 Zener-protected SuperMESHTM Power MOSFET Features Type STF13NK50Z STP13NK50Z STW13NK50Z ■ ■ ■ ■ ■ VDSS 500 V 500 V 500 V RDS(on) max ID Pw 30 W 140 W 140 W TO-220 1 2 3 <0.48 Ω 11 A <0.48 Ω 11 A <0.48 Ω 11 A 3 1 2 TO-220FP Extremely high dv/dt capability 100% avalanche tested Gate charge minimized Very low intrinsic capacitances Very good manufacturing repeatability Figure 1. Internal schematic diagram TO-247 2 1 3 Applications ■ Switching application Description The SuperMESH™ series is obtained through an extreme optimization of ST’s well established strip-based PowerMESH™ layout. In addition to pushing on-resistance significantly down, special care is taken to en [ ... ]

13NK50Z PDF Datasheet Download