BCX70K Bipolar Transistor

• Type: NPN
• Collector-Emitter Voltage, max: 45 V
• Collector-Base Voltage, max: 45 V
• Emitter-Base Voltage, max: 5 V
• Collector Current − Continuous, max: 0.2 A
• Collector Dissipation: 0.35 W
• DC Current Gain (h_fe): 380 to 630
• Transition Frequency, min: 125 MHz
• 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 BCX70K transistor is marked as "AK".The complementary PNP transistor to the BCX70K is the BCX71K.You can replace the BCX70K with the 2SC3912, 2SC3913, 2SC3914, 2SC3915, BCW66, BCW66H, FMMT619, FMMT620, FMMTA05, FMMTA06, KST05, KST06, MMBT6428, MMBTA05, MMBTA06, PMBTA06, SMBTA05 or SMBTA06.