BCX55-16 Bipolar Transistor

• Type: NPN
• 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: 1.2 W
• DC Current Gain (h_fe): 100 to 250
• Transition Frequency, min: 130 MHz
• Operating and Storage Junction Temperature Range: -65 to +150 °C
• Package: SOT-89

Here is an image showing the pin diagram of this transistor.The BCX55-16 transistor can have a current gain of 100 to 250. The gain of the BCX55 will be in the range from 63 to 250, for the BCX55-10 it will be in the range from 63 to 150.The complementary PNP transistor to the BCX55-16 is the BCX52-16.You can replace the BCX55-16 with the 2SC3444, BCX56, BCX56-16, BSR41, BSR43 or KTC4378.