This part is a kind of semiconductor called KN2907AS.

Function of this product has EPITAXIAL PLANAR PNP TRANSISTOR.

Manufacturers : KEC

Image and pinout :

Some of the text within the PDF file :

SEMICONDUCTOR TECHNICAL DATA GENERAL PURPOSE APPLICATION. SWITCHING APPLICATION. FEATURES Low Leakage Current : ICEX=-50nA(Max.) ; VCE=-30V, VEB=-0.5V. Low Saturation Voltage : VCE(sat)=-0.4V(Max.) ; IC=150mA, IB=-15mA. Complementary to the KN2222S/2222AS. MAXIMUM RATING (Ta=25 ) CHARACTERISTIC RATING SYMBOL UNIT KN2907S KN2907AS Collector-Base Voltage VCBO -60 V Collector-Emitter Voltage VCEO -40 -60 V Emitter-Base Voltage VEBO -5 V Collector Current IC -600 mA Collector Power Dissipation (Ta=25 ) PC PC * 150 mW 350 Junction Temperature Tj 150 Storage Temperature Range Tstg -55 150 Note : * Package Mounted On 99.5% Alumina 10 8 0.6 ) KN2907S/AS EPITAXIAL PLANAR PNP TRANSISTOR E L BL DIM MILLIMETERS A 2.93+_ 0.20 B 1.30+0.20/-0.15 A G H D 23 C 1.30 MAX D [ ... ]

KN2907AS PDF Datasheet Download