This part is a kind of semiconductor called C945.

Function of this product has TO-92 Plastic Encapsulate Transistors.

Manufacturers : Jiangsu Changjiang Electronics Technology

Image and pinout :

Some of the text within the PDF file :

JIANGSU CHANGJIANG ELECTRONICS TECHNOLOGY CO., LTD TO-92 Plastic-Encapsulate Transistors C945 FEATURES Power dissipation PCM: Collector current ICM: V (BR) CBO: 0.15 60 A V Collector-base voltage Operating and storage junction temperature range ELECTRICAL CHARACTERISTICS (Tamb=25℃ Parameter Collector-base breakdown voltage Collector-emitter voltage breakdown Symbol V(BR)CBO V(BR)CEO V(BR)EBO ICBO ICEO IEBO hFE(1) DC current gain hFE(2) Collector-emitter saturation voltage Base-emitter saturation voltage Transition frequency Collector output capacitance Noise figure VCE(sat) VBE(sat) VCE=6V, IC=0.1mA IC=100mA, IB=10mA IC=100mA, IB=10mA VCE=6V, IC=10mA, f =30 MHz VCB=10V, IE=0, f=1MHZ VCE=6V, IC=0.1mA Rg=10kΩ, f=1kMHZ 4 200 3.0 10 40 0.3 1 V V MHz pF dB TRANSISTOR (NPN) TO-92 0.4 W ( [ ... ]

C945 PDF Datasheet Download