This part is a kind of semiconductor called P80PF55.

Function of this product has STP80PF55.

Manufacturers : STMicroelectronics

Image and pinout :

Some of the text within the PDF file :

STB80PF55 STP80PF55 P-channel 55 V, 0.016 Ω, 80 A TO-220, D2PAK STripFETTM II Power MOSFET Features Type STP80PF55 STB80PF55 VDSS 55V 55V RDS(on) <0.018Ω <0.018Ω ■ Extremely dv/dt capability ■ 100% avalanche tested ■ Application oriented characterization ID 80A 80A Application ■ Switching applications Description These Power MOSFETs are the latest development of STMicroelectronics unique "single feature size" strip-based process. The resulting transistor shows extremely high packing density for low on-resistance, rugged avalanche characteristics and less critical alignment steps allowing remarkable manufacturing reproducibility. 3 1 D2PAK 3 2 1 TO-220 Figure 1. Internal schematic diagram Table 1. Device summary Order code STP80PF55 STB80PF55 Marking P80PF55 B80PF [ ... ]

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