This part is a kind of semiconductor called 1N4420A.Function of this product has Diode Switching 75V 0.25A Automotive 2-Pin SOD-323 T/R. Manufacturers : New Jersey Semiconductor Image and pinout : Some of the text within the PDF file : [ ... ] 1N4420A PDF Datasheet Download Metablog 2017/10/25 09:09 2017/10/25 09:09