Features / technical specifications:

• Package Type: TO-92
• Transistor Type: NPN
• Max Collector Current(I_C): 150mA
• Max Collector-Emitter Voltage (V_CE): 50V
• Max Collector-Base Voltage (V_CB): 60V
• Max Emitter-Base Voltage (VEBO): 5V
• Max Collector Dissipation (Pc): 400 miliWatt
• Max Transition Frequency (fT): 200 MHz
• Minimum & Maximum DC Current Gain (h_FE): 70 – 700
• Max Storage & Operating temperature Should Be: -55 to +150 Centigrade

PNP Complementary:

PNP Complementary of C945 is A733

Replacement and Equivalent:

2N2222, 2N3904, 2SC1815, 2SC3198 (Pin configuration of SOME transistors are different from C945, check pin configuration before replacing in a circuit)