BUY MMBFJ112 https://www.utsource.net/itm/p/11289103.html
MMBFJ112 JFET N-Channel 35v 5mA SOT-23 marking GR analog switch
Description: N-Channel JFET Features: Low Input Offset Voltage: ±2mV (Typical) Low Input Bias Current: 1pA (Typical) Low Input Capacitance: 4pF (Typical) Low Noise: 0.7nV/√Hz (Typical) High Input Impedance: 1012Ω (Typical) High Gain Bandwidth Product: 1.5GHz (Typical) High Output Impedance: 1012Ω (Typical) High Slew Rate: 8V/μs (Typical) Applications: High Speed Amplifiers High Frequency Switching High Speed Comparators High Speed Logarithmic Amplifiers High Speed Voltage Regulators High Speed Current Regulators High Speed Voltage Follower (For reference only)