BCX71K Bipolar Transistor

• Type: PNP
• Collector-Emitter Voltage, max: -45 V
• Collector-Base Voltage, max: -45 V
• Emitter-Base Voltage, max: -5 V
• Collector Current − Continuous, max: -0.1 A
• Collector Dissipation: 0.35 W
• DC Current Gain (h_fe): 380 to 630
• Noise Figure, max: 6 dB
• Operating and Storage Junction Temperature Range: -55 to +150 °C
• Package: SOT-23

Here is an image showing the pin diagram of this transistor.The BCX71K transistor is marked as "BK".The complementary NPN transistor to the BCX71K is the BCX70K.You can replace the BCX71K with the 2SA1518, 2SA1519, 2SA1520, 2SA1521, BC856, BC857, BC860, BCW68, BCW68H, FMMTA55, FMMTA56, KST55, KST56, MMBTA55, MMBTA56, PMBTA56, SMBTA55 or SMBTA56.