BC461-4 Bipolar Transistor

• Type: PNP
• Collector-Emitter Voltage, max: -60 V
• Collector-Base Voltage, max: -75 V
• Emitter-Base Voltage, max: -5 V
• Collector Current − Continuous, max: -1 A
• Collector Dissipation: 10 W
• DC Current Gain (h_fe): 40 to 70
• Transition Frequency, min: 50 MHz
• Operating and Storage Junction Temperature Range: -55 to +200 °C
• Package: TO-39

Here is an image showing the pin diagram of this transistor.The BC461-4 transistor can have a current gain of 40 to 70. The gain of the BC461 will be in the range from 40 to 250, for the BC461-5 it will be in the range from 60 to 130, for the BC461-6 it will be in the range from 115 to 250.The complementary NPN transistor to the BC461-4 is the BC441-4.You can replace the BC461-4 with the 2N2102, 2N2102A, 2N4036, 2N4235, 2N4236, 2N4404, 2N4406, 2N5151, 2N5322, 2N5323, 2N5333, 2N5679, 2N5680, 2N6190, 2N6192, 2SA510, 2SA510-R, 2SA512, 2SA512-R, BC161 or BC161-6.