IFNU423
IFNU423 is Dual Matched N-Channel JFET manufactured by InterFET.
- Part of the IFNU421 comparator family.
- Part of the IFNU421 comparator family.
Features
- Inter FET N0001H Geometry
- Low Leakage: 0.25 p A Typical
- Low Input Capacitance: 2.0 p F Typical
- High Input Impedance
- Replacement for U421, U422, U423
- Ro HS pliant
- 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 Inter FET 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 1p A at room temperatures. The TO-78 package is hermetically sealed and suitable for military applications. Custom specifications, matching, and packaging options are available.
Source 5
Case
Gate 3
Drain 2 1
Source
TO-78 Bottom View
6 Drain 7 Gate
SOIC8 Top View
Gate 1 Drain 2 Source 3 Gate 4
8 Gate 7 Source 6 Drain 5 Gate
Product Summary
Parameters BVGSS Gate to Source Breakdown Voltage IDSS Drain to Source Saturation Current VGS(off) Gate to Source Cutoff Voltage GFS Forward Transconductance
IFNU421 Min -40 60 -0.4 100
IFNU422 Min -40 60 -0.4 100
IFNU423 Min Unit
-40
μA
-0.4
μS
Ordering Information Custom Part and Binning Options Available
Part Number
Description
Case...