BUY MMBT4124 https://www.utsource.net/itm/p/11278403.html
MMBT4124 NPN Transistors(BJT) 30V 200mA/0.2A 300Mhz 120~360 300mV/0.3V SOT-23/SC-59 marking ZC general amplifier and switch
Description: PNP Bipolar Transistor
Features:
Low Collector-Emitter Saturation Voltage
High Current Gain Bandwidth Product
Low Noise
Low Input Capacitance
High Gain Bandwidth Product
Low Leakage Current
Low Collector-Emitter Saturation Voltage
Low Input Capacitance
High Gain Bandwidth Product
Low Leakage Current
Low Collector-Emitter Saturation Voltage
Low Input Capacitance
High Gain Bandwidth Product
Low Leakage Current
Low Collector-Emitter Saturation Voltage
Low Input Capacitance
High Gain Bandwidth Product
Low Leakage Current
Low Collector-Emitter Saturation Voltage
Low Input Capacitance
High Gain Bandwidth Product
Low Leakage Current
Low Collector-Emitter Saturation Voltage
Low Input Capacitance
High Gain Bandwidth Product
Low Leakage Current
Application:
Audio Amplifiers
Switching Circuits
High Speed Logic Circuits
High Frequency Oscillators
High Voltage DC-DC Converters
Low Noise Amplifiers
High Frequency Amplifiers
Motor Control Circuits
Power Management Circuits
(For reference only)