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IFN3957

InterFET
Part Number IFN3957
Manufacturer InterFET
Description Dual Matched N-Channel JFET
Published Jun 13, 2020
Detailed Description InterFET Product Folder Technical Support Order Now IFN3957-8 IFN3957, IFN3958 Dual Matched N-Channel JFET Feature...
Datasheet PDF File IFN3957 PDF File

IFN3957
IFN3957

Overview
InterFET Product Folder Technical Support Order Now IFN3957-8 IFN3957, IFN3958 Dual Matched N-Channel JFET Features • InterFET N0016H Geometry • Typical Noise: 6 nV/√Hz • Low Ciss: 3.
5pF Typical • High Input Impedance • Replacement for 2N3957,8 Parts • RoHS Compliant • SMT, TH, and Bare Die Package options.
Applications • Differential Amplifiers • Low Noise Pre-Amplifier • High Impedance Amplifier Description The -50V InterFET IFN3957 and IFN3958 matched pair JFET’s are targeted for high input impedance applications for mid to high frequency designs.
Gate leakages are typically 10pA at room temperatures.
Parts are matched down to 5mV.
The TO-71 package is hermetically sealed and suitable for military applications.
Custom specifications, matching, and packaging options are available.
Source 5 TO-71 Bottom View 6 Drain Gate 3 Drain 2 1 Source 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 IFN3957 Min -50 0.
5 -1 1000 IFN3958 Min Unit -50 V 0.
5 mA -1 V 1000 μS Ordering Information Custom Part and Binning Options Available Part Number Description Case IFN3957; IFN3958 Through-Hole TO-72 SMP3957; SMP3958 Surface Mount SOIC8 7“ Tape and Reel: Max 500 Pieces SMP3957TR; SMP3958TR 13” Tape and Reel: Max 2,500 Pieces SOIC8 IFN3957COT; IFN3958COT * Chip Orientated Tray (COT Waffle Pack) COT IFN3957CFT; IFN3958CFT * Chip Face-up Tray (CFT Waffle Pack) CFT * Bare die packaged options are designed for matched specifications but not 100% tested Packaging Bulk Bulk Minimum 500 Pieces Tape and Reel 70/Waffle Pack 70/Waffle Pack Disclaimer: It is the Buyers responsibility for designing, validating and testing the end application under all field use cases and extreme use conditions.
Guaranteeing the application meets required stand...


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