BCY72 Bipolar Transistor

• Type: PNP
• Collector-Emitter Voltage, max: -25 V
• Collector-Base Voltage, max: -25 V
• Emitter-Base Voltage, max: -5 V
• Collector Current − Continuous, max: -0.2 A
• Collector Dissipation: 0.35 W
• DC Current Gain (h_fe): 50
• Transition Frequency, min: 200 MHz
• Operating and Storage Junction Temperature Range: -65 to +200 °C
• Package: TO-18

Here is an image showing the pin diagram of this transistor.The BC858 (SOT-23), BC858A (SOT-23), BC858AW (SOT-323), BC858B (SOT-23), BC858BW (SOT-323), BC858C (SOT-23), BC858CW (SOT-323), BC858W (SOT-323), BC859 (SOT-23), BC859A (SOT-23), BC859AW (SOT-323), BC859B (SOT-23), BC859BW (SOT-323), BC859C (SOT-23), BC859CW (SOT-323), BC859W (SOT-323), MMBT4125 (SOT-23), MMBT4126 (SOT-23) and MMST4126 (SOT-323) is the SMD version of the BCY72 transistor. These transistors are of the same type, have similar parameters and are designed for surface mounting.You can replace the BCY72 with the 2N2907, 2N3250, 2N3251, BC297, BC297-6, BC297-7, BC298, BC298-6, BC298-7, BCY70 or BCY71.