The 2SK508G-K51-AE3-R is a Junction Field-Effect Transistor (JFET) manufactured by Unisonic, and is packaged in a SOT-23-3 (SOT-23) form factor. The device is RoHS compliant and features a drain-source Voltage of ±20 V, drain current of 20 mA, and gate-source voltage of ±40 V. It is designed for precision signal processing, low noise amplification, and high frequency operation. It also offers excellent matching characteristics, high junction break-down voltage, and very low gate leakage current. The 2SK508G-K51-AE3-R is suitable for various audio and RF applications.