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2N4117A-E3 is listed in the Jfets range at ChipApex. The manufacturer field lists Vishay Siliconix. Its product description is JFET N-CH 40V TO206AF. Review the specifications below when checking this part for your BOM.
Jfets specifications for 2N4117A-E3
- Description：JFET N-CH 40V TO206AF
- Series：-
- Mfr：Vishay Siliconix
- Package：Bulk
- FET Type：N-Channel
- Voltage - Breakdown (V(BR)GSS)：40 V
- Drain to Source Voltage (Vdss)：-
- Current - Drain (Idss) @ Vds (Vgs=0)：30 µA @ 10 V
- Current Drain (Id) - Max：-
- Voltage - Cutoff (VGS off) @ Id：600 mV @ 1 nA
- Input Capacitance (Ciss) (Max) @ Vds：3pF @ 10V
- Resistance - RDS(On)：-
- Power - Max：300 mW
- Operating Temperature：-55°C ~ 175°C (TJ)
- Mounting Type：Through Hole
- Package / Case：TO-206AF, TO-72-4 Metal Can
- Supplier Device Package：TO-206AF (TO-72)
- Grade：-
- Qualification：-
Jfets datasheet and documents for 2N4117A-E3
Jfets Overview
The Vishay Siliconix 2N4117A-E3 is an N-channel JFET designed for ultra-high input impedance applications. It features a gate-source cutoff voltage (VGS(off)) ranging from -0.6 V to -1.8 V and a minimum gate-source breakdown voltage of -40 V. The device typically operates with a gate leakage current of 0.2 pA, with a maximum specified limit of 1 pA at room temperature. It provides a minimum forward transconductance of 70 µS and a saturation drain current (IDSS) between 30 µA and 90 µA. Packaged in the hermetically sealed TO-206AF (TO-72) format, it supports military processing standards.
Jfets Feature Summary
- Ultra-low gate leakage current specification suitable for high-impedance front-end amplifiers
- Hermetically sealed metal package enabling full military processing compliance
- Low noise performance with insignificant signal loss when interfacing with high-impedance sources
Jfets Applications
- High-impedance transducer amplifiers
- Smoke detector input circuits
- Infrared detector amplifier stages
- Precision test equipment
Jfets Procurement Notes
Verify that the component matches the specific 2N prefix designation for the TO-206AF metal package variant. Confirm RoHS compliance status via official documentation as the datasheet revision indicates potential variations. Ensure the ordering suffix aligns with the required military or commercial grade specifications before procurement.
Jfets Selection Notes
Select this component when circuit requirements demand minimal gate leakage and high input impedance. The TO-72 package is appropriate for designs requiring hermetic sealing and military-grade reliability. Compare VGS(off) ranges against biasing requirements to ensure proper operation within the specified -0.6 V to -1.8 V window.
Jfets Part Context
This part belongs to the 2N/PN/SST4117A series of N-channel JFETs manufactured by Vishay Siliconix. The series includes variants like the PN4117A and SST4117A, which share similar electrical characteristics but differ in packaging formats such as plastic TO-92 or surface-mount SOT-23. The 2N prefix specifically denotes the hermetically sealed metal case construction.
Jfets Replacement Considerations
Linear Systems offers the 2N4117A as a direct replacement for the discontinued Siliconix version. Verify pinout compatibility and thermal handling capabilities when substituting components in existing designs.
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