IFNU421 - InterFET

IFNU421 Dual Matched N-Channel JFET

The -40V InterFET IFNU421, IFNU422, and IFNU423 JFET’s are targeted for ultra high input impedance applications for differential amplification and impedance matching. Gate leakages are less than 1pA at room temperatures. The TO-78 package is hermetically sealed and suitable for military applications. Custom specifications, matching, and packaging options are.

Features

• InterFET N0001H Geometry
• Low Leakage: 0.25 pA Typical
• Low Input Capacitance: 2.0 pF Typical
• High Input Impedance
• Replacement for U421, U422, U423
• RoHS Compliant
• SMT, TH, and Bare Die Package options. Applications
• Low Leakage Input Buffer
• High Frequency Amplifier/Buffer
• Ultrahigh Impedance Pre-Amplifier
• Impedance Converters Description The -40V InterFET IFNU421, IFNU422, and IFNU423 JFET’s are targeted for ultra high input impedance applications for differential amplification and impedance matching. Gate leakages are less than 1pA at room temperatures. The TO-78 package is.