This part is a kind of semiconductor called BPC-817.
Function of this product has Light Emitting Diode and NPN Silicon Phototransistor.
Manufacturers : Bright LED
Image and pinout :

Some of the text within the PDF file :
BRIGHT LED ELECTRONICS CORP. SINCE 1981 DATA SHEET ● DEVICE NUMBER:BPC-817 SHEET 1 DATE 2 3 4 5 6 CONTENTS Original Released Features, Absolute , Applications, Maximum Ratings Format OF Sheets Dimensions Add Packaging w w w . D 2002.11.17 a t a S 1.0 h 1.0 e 1.0 e 1.0 t 41.0 U . c o m 2003.08.07 1.1 1.1 1.1 - 2003.09.08 2.0 2.0 2.0 2.0 2.0 2004.03.02 2.1 2.0 2.0 2.0 2.0 2004.10.25 2.1 - 2.1 2004.11.08 2.2 - - - - - Features 佰鴻工業股份有限公司 BRIGHT LED ELECTRONICS CORP. 台北縣板橋市和平路 19 號 3 樓 3F., No. 19, Ho Ping Road, Pan Chiao City, Taipei, Taiwan, R. O. C. Tel: 886-2-29591090 Fax: 886-2-29547006/29558809 www.brtled.com. APPROVED DRAWER 郝 2004.11.08 肖 2004.11.08 志 群 鳳 貞 BRIGHT LED ELECTRONICS CORP. SINCE 1981 BPC-817 ● F [ ... ]
BPC-817 PDF Datasheet Download
