This part is a kind of semiconductor called 85N3LH5.

Function of this product has STD85N3LH5.

Manufacturers : STMicroelectronics

Image and pinout :

Some of the text within the PDF file :

STD85N3LH5 STP85N3LH5 - STU85N3LH5 N-channel 30 V, 0.0042 Ω , 80 A, DPAK, TO-220, IPAK STripFET™ V Power MOSFET Features Type STD85N3LH5 STP85N3LH5 STU85N3LH5 VDSS 30 V 30 V 30 V RDS(on) max < 0.005 Ω < 0.0054 Ω < 0.0054 Ω ID 80 A 80 A 80 A ■ RDS(on) * Qg industry benchmark ■ Extremely low on-resistance RDS(on) ■ High avalanche ruggedness ■ Low gate drive power losses Application ■ Switching applications Description This product utilizes the 5th generation of design rules of ST’s proprietary STripFET™ technology. The lowest available RDS(on)*Qg, in the standard packages, makes this device suitable for the most demanding DC-DC converter applications, where high power density is to be achieved. 3 1 DPAK IPAK 3 2 1 3 2 1 TO-220 Figure 1 [ ... ]

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