U421 HIGH INPUT IMPEDANCE MONOLITHIC DUAL N-CHANNEL JFET
Linear Systems replaces discontinued Siliconix U421
The U421 is a high input impedance Monolithic Dual N-Channel JFET
The U421 monolithic dual n-channel JFET is designed to provide very high input impedance for differential amplification and impedance matching. Among its many unique features, this ser...