This part is a kind of semiconductor called ED1402B.

Function of this product has NPN general purpose transistor.

Manufacturers : NXP

Image and pinout :

Some of the text within the PDF file :

DISCRETE SEMICONDUCTORS DATA SHEET book, halfpage M3D186 ED1402 NPN general purpose transistor Product specification Supersedes data of 1997 Sep 04 1999 Apr 27 Philips Semiconductors Product specification NPN general purpose transistor FEATURES • Low current (max. 200 mA) • Low voltage (max. 20 V) • High gain. APPLICATIONS • General purpose switching and amplification. 1 handbook, halfpage ED1402 PINNING PIN 1 2 3 emitter base collector DESCRIPTION DESCRIPTION NPN transistor in a plastic TO-92; SOT54 package. PNP complement: ED1602. 2 3 3 2 1 MAM182 Fig.1 Simplified outline (TO-92; SOT54) and symbol. LIMITING VALUES In accordance with the Absolute Maximum Rating System (IEC 134). SYMBOL VCBO VCEO VEBO IC ICM IBM Ptot Tstg Tj Tamb Note 1. Refer to TO-92; SOT54 standa [ ... ]

ED1402B PDF Datasheet Download