2N4339 Datasheet | Siliconix

N-Channel JFETs 2N4338/4339/4340/4341 Product Summary Part Number 2N4338 2N4339 2N4340 2N4341 VGS(off) (V) - 0.3 to - 1 - 0.6 to - 1.8 - 1 to - 3 - 2 to - 6 V(BR)GSS Min (V) gfs Min (mS) IDSS Max (mA) - 50 0.6 0.6 - 50 0.8 1.5 - 50 1.3 3.6 - 50 2 9 Features D Low Cutoff Voltage: 2N4338 <1 V D High Input Impedance D Very Low Noise D High Gain: AV = 80 @ 20 mA Benefits D Full Performance from Low-Voltage Power Supply: Down to 1 V D Low Signal Loss/System Error D High System Sensitivity D High-Quality Low-Level Signal Amplification Applications D High-Gain, Low-Noise Amplifiers D Low-Current, Low-Voltage Battery-Powered Amplifiers D Infrared Detector Amplifiers D Ultrahigh Input Impedance Pre-Ampli...