This part is a kind of semiconductor called BUK7535-55A.

Function of this product has N-channel TrenchMOS standard level FET.

Manufacturers : NXP Semiconductors

Image and pinout :

Some of the text within the PDF file :

TO-220AB BUK7535-55A N-channel TrenchMOS standard level FET Rev. 02 27 January 2011 Product data sheet 1. Product profile 1.1 General description Standard level N-channel enhancement mode Field-Effect Transistor (FET) in a plastic package using TrenchMOS technology. This product has been designed and qualified to the appropriate AEC standard for use in automotive critical applications. 1.2 Features and benefits „ AEC Q101 compliant „ Low conduction losses due to low on-state resistance „ Suitable for standard level gate drive sources „ Suitable for thermally demanding environments due to 175 °C rating 1.3 Applications „ 12 V and 24 V loads „ Automotive and general purpose power switching „ Motors, lamps and solenoids 1.4 Quick reference data Table 1. Quick reference d [ ... ]

BUK7535-55A PDF Datasheet Download