This part is a kind of semiconductor called 2SC5344.

Function of this product has BIPOLAR TRANSISTORS.

Manufacturers : Rectron

Image and pinout :

Some of the text within the PDF file :

TECHNICAL SPECIFICATION SEMICONDUCTOR SOT-23 BIPOLAR TRANSISTORS TRANSISTOR(PNP) RECTRON 2SC5344 FEATURES * Power dissipation PCM : 0.2 W (Tamb=25OC) * Collector current ICM : 0.8 A * Collector-base voltage V(BR)CBO : 35 V * Operating and storage junction temperature range O TJ,Tstg: -55 C to +150OC SOT-23 COLLECTOR 3 MECHANICAL DATA * * * * * BASE Case: Molded plastic Epoxy: UL 94V-O rate flame retardant Lead: MIL-STD-202E method 208C guaranteed Mounting position: Any Weight: 0.008 gram 1 EMITTER 2 0.055(1.40) 0.047(1.20) 0.006(0.15) 0.003(0.08) 0.020(0.50) 0.012(0.30) 0.043(1.10) 0.035(0.90) 0.004(0.10) 0.000(0.00) 0.020(0.50) 0.012(0.30) 0.100(2.55) 0.089(2.25) MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Ratings at 25 C ambient temperature unless otherwise specified. [ ... ]

2SC5344 PDF Datasheet Download