BC161-10 Bipolar Transistor

• Type: PNP
• Collector-Emitter Voltage, max: -60 V
• Collector-Base Voltage, max: -60 V
• Emitter-Base Voltage, max: -5 V
• Collector Current − Continuous, max: -1 A
• Collector Dissipation: 3.7 W
• DC Current Gain (h_fe): 63 to 160
• Transition Frequency, min: 50 MHz
• Operating and Storage Junction Temperature Range: -65 to +175 °C
• Package: TO-39

Here is an image showing the pin diagram of this transistor.The complementary NPN transistor to the BC161-10 is the BC141-10.The 2SA1364 (SOT-89), BCP52 (SOT-223), BCP52-10 (SOT-223), BCX52 (SOT-89), BCX52-10 (SOT-89), FMMTA55 (SOT-23), KST55 (SOT-23) and MMBT4354 (SOT-23) is the SMD version of the BC161-10 transistor. These transistors are of the same type, have similar parameters and are designed for surface mounting.You can replace the BC161-10 with the 2N5323, 2N6191, 2N6193, BC161 or BC461.