This part is a kind of semiconductor called BCX17.

Function of this product has PNP general purpose transistors.

Manufacturers : NXP

Image and pinout :

Some of the text within the PDF file :

DISCRETE SEMICONDUCTORS DATA SHEET ook, halfpage M3D088 BCX17; BCX18 PNP general purpose transistors Product specification Supersedes data of 1997 Feb 28 1999 May 31 Philips Semiconductors Product specification PNP general purpose transistors FEATURES • High current (max. 500 mA) • Low voltage (max. 45 V). APPLICATIONS • Saturated switching and driver applications e.g. for industrial service • Thick and thin-film circuits. DESCRIPTION PNP transistor in a SOT23 plastic package. NPN complement: BCX19. PINNING PIN 1 2 3 base emitter collector BCX17; BCX18 DESCRIPTION handbook, halfpage 3 3 1 MARKING 2 TYPE NUMBER BCX17 BCX18 Note 1. ∗ = p : Made in Hong Kong. ∗ = t : Made in Malaysia. MARKING CODE(1) T1∗ T2∗ Top view 1 2 MAM256 Fig.1 Simplified outline (SOT23 [ ... ]

BCX17 PDF Datasheet Download