This part is a kind of semiconductor called BTS412A.

Function of this product has PROFET.

Manufacturers : Siemens Semiconductor Group

Image and pinout :

Some of the text within the PDF file :

1. High-side switch

2. Short-circuit protection

3. Overtemperature protection

4. Input protection

5. Open-load detection in off-condition

6. In case of a fault, the outputs trips and remains open

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BTS412A PDF Datasheet Download