This part is a kind of semiconductor called UPC141.Function of this product has UPC141 / UPC305. Manufacturers : ETC Image and pinout : Some of the text within the PDF file : Free Datasheet http://www.Datasheet-PDF.com/ [ ... ] UPC141 PDF Datasheet Download Metablog 2017/10/29 07:10 2017/10/29 07:10