This part is a kind of semiconductor called APA3010P3C.

Function of this product has RIGHT ANGLE PHOTOTRANSISTOR.

Manufacturers : Kingbright Corporation

Image and pinout :

Some of the text within the PDF file :

3. 0mmx1.0mm RIGHT ANGLE PHOTOTRANSISTOR APA3010P3C Features zMECHANICALLY AND SPECTRALLY MATCHED TO zWATER CLEAR LENS. zRoHS COMPLIANT. THE APA3010 SERIES INFRARED EMITTING LED LAMP. Description Made with NPN silicon phototransistor chips. zPACKAGE : 2000PCS / REEL. Package Dimensions Notes: 1. All dimensions are in millimeters (inches). 2. Tolerance is ±0.15(0.006") unless otherwise noted. 3. Specifications are subject to change without notice. SPEC NO: DSAB4396 APPROVED: J. Lu REV NO: V.6 CHECKED: Allen Liu DATE: JUN/29/2005 DRAWN: S.H.CHEN PAGE: 1 OF 4 ERP:1203000589 Electrical / Optical Characteristics at TA=25°C Symbol VBR CEO VBR ECO VCE (SAT) I CEO TR TF Parameter Collector-to-Emitter Breakdown Voltage Emitter-to-Collector Breakdown Voltage Collec [ ... ]

APA3010P3C PDF Datasheet Download