BCW71 Bipolar Transistor

• Type: PNP
• Collector-Emitter Voltage, max: -45 V
• Collector-Base Voltage, max: -50 V
• Emitter-Base Voltage, max: -5 V
• Collector Current − Continuous, max: -0.1 A
• Collector Dissipation: 0.25 W
• DC Current Gain (h_fe): 110 to 220
• Transition Frequency, min: 100 MHz
• Noise Figure, max: 10 dB
• Operating and Storage Junction Temperature Range: -65 to +150 °C
• Package: SOT-23

Here is an image showing the pin diagram of this transistor.The BCW71 transistor is marked as "K1".The complementary NPN transistor to the BCW71 is the BCW69.You can replace the BCW71 with the 2SA1162, 2SA1313, 2SA1366, 2SA1518, 2SA1519, 2SA1520, 2SA1521, 2SA1620, 2SA1832, 2SA812, 2SB710A, BC807, BC807-16, BC856, BC856A, BC857, BC857A, BC860, BC860A, BCW68, BCW68F, BCW71LT1, BCW71LT1G, BCX17, FMMT2907A, FMMT2907AR, FMMT591, FMMT591Q, FMMTA55, FMMTA56, KN2907AS, KSA812, KST2907A, KST55, KST56, KTA1504, KTA1504S, KTN2907AS, MMBT200, MMBT2907A, MMBT4354, MMBT4355, MMBT4356, MMBTA55, MMBTA56, PMBT2907A, PMBTA56, PMST2907A, SMBTA55, SMBTA56 or TMBT3906.