PN4118 TO-92 3L ROHS

$3.29

Description：JFET N-CH 40V 50MA TO92
Series：PN4118

SKU:028085f95454 Category: JFETs Brand: Linear Integrated Systems, Inc.

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Product introduction

Product Detailed Parameters

Description：JFET N-CH 40V 50MA TO92
Series：PN4118
Mfr：Linear Integrated Systems, Inc.
Package：Bulk
FET Type：N-Channel
Voltage - Breakdown (V(BR)GSS)：40 V
Drain to Source Voltage (Vdss)：40 V
Current - Drain (Idss) @ Vds (Vgs=0)：80 µA @ 10 V
Current Drain (Id) - Max：50 mA
Voltage - Cutoff (VGS off) @ Id：1 V @ 1 nA
Input Capacitance (Ciss) (Max) @ Vds：3pF @ 10V
Resistance - RDS(On)：-
Power - Max：300 mW
Operating Temperature：-
Mounting Type：Through Hole
Package / Case：TO-226-3, TO-92-3 (TO-226AA)
Supplier Device Package：TO-92
Grade：-
Qualification：-

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PN4118 TO-92 3L ROHS

Overview

The PN4118 is an N-channel JFET amplifier in a TO-92 package. It features a gate-source breakdown voltage of -40V and a saturation drain current range of 0.08mA to 0.60mA at VDS=10V, VGS=0. The gate-source cutoff voltage spans -1V to -3V. Common-source forward transconductance ranges from 80µS to 650µS at 1kHz. Input capacitance is guaranteed up to 3pF, and reverse transfer capacitance up to 1.5pF.

Feature Summary

Ultra-high input impedance with extremely low gate leakage current
Symmetrical geometry allowing interchangeable source and drain operation
Designed for mid-to-high frequency applications requiring high input impedance

Applications

Ultra-high input impedance amplifier circuits
Mid-frequency signal processing designs
High-frequency circuit configurations

Procurement Notes

Verify the specific ordering suffix matches the required package type (TO-92) and compliance status (RoHS). Confirm that the manufacturer designation aligns with Linear Integrated Systems or authorized equivalents. Ensure the component meets the specified electrical characteristics for your application requirements before finalizing procurement.

Selection Notes

Select this component when ultra-high input impedance is critical for the design. Consider the symmetrical geometry if bidirectional signal flow is needed. Evaluate the saturation drain current and cutoff voltage ranges to ensure compatibility with the intended biasing conditions and signal levels.

Part Context

This device belongs to a family of N-channel JFET amplifiers including the 2N4117A and 2N4119A variants. These components are designed for applications demanding minimal circuit loading and high input impedance. The TO-92 package provides a standard through-hole mounting option suitable for various discrete semiconductor applications.

Replacement Considerations

Compatible substitutes include the 2N4118A and SST4118. Verify pinout compatibility and electrical parameter alignment, particularly regarding gate-source breakdown voltage and saturation drain current ranges, before implementing any replacement.