This part is a kind of semiconductor called F10NK50Z.

Function of this product has STF10NK50Z.

Manufacturers : STMicroelectronics

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Some of the text within the PDF file :

STF10NK50Z N-channel 500 V, 0.55 Ω , 9 A Zener-protected SuperMESH™ Power MOSFET in TO-220FP package Datasheet production data Features Order code STF10NK50Z ■ ■ ■ ■ VDSS 500 V RDS(on) max < 0.7 Ω ID 9A PTOT 30 W Extremely high dv/dt capability 100% avalanche tested Gate charge minimized Very low intrinsic capacitance 1 2 3 TO-220FP Applications ■ Switching application Description This device is an N-channel Zener-protected Power MOSFET developed using STMicroelectronics’ SuperMESH™ technology, achieved through optimization of ST’s well established strip-based PowerMESH™ layout. In addition to a significant reduction in onresistance, this device is designed to ensure a high level of dv/dt capability for the most demanding applications. Figure 1. Intern [ ... ]

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