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2N4858U/TR is listed in the Jfets range at ChipApex. The manufacturer field lists Microchip Technology. Its product description is JFET N-CH 40V UB. Review the specifications below when checking this part for your BOM.
Jfets specifications for 2N4858U/TR
- Description：JFET N-CH 40V UB
- Series：-
- Mfr：Microchip Technology
- Package：Tape & Reel (TR)
- FET Type：N-Channel
- Voltage - Breakdown (V(BR)GSS)：40 V
- Drain to Source Voltage (Vdss)：40 V
- Current - Drain (Idss) @ Vds (Vgs=0)：8 mA @ 15 V
- Current Drain (Id) - Max：-
- Voltage - Cutoff (VGS off) @ Id：800 mV @ 500 pA
- Input Capacitance (Ciss) (Max) @ Vds：18pF @ 10V
- Resistance - RDS(On)：60 Ohms
- Power - Max：360 mW
- Operating Temperature：-65°C ~ 200°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：3-SMD, No Lead
- Supplier Device Package：UB
- Grade：-
- Qualification：-
Jfets datasheet and documents for 2N4858U/TR
Jfets Overview
The 2N4858U/TR is a silicon N-channel Junction Field-Effect Transistor (JFET) manufactured by Microchip Technology. It features a TO-18-3 metal can package designed for through-hole mounting. The device supports a drain-source breakdown voltage of 40 V and a gate-source breakdown voltage of -40 V. It handles a continuous drain current of 50 mA with a maximum power dissipation of 360 mW. The component operates within an ambient temperature range of -65 °C to +200 °C, ensuring reliability in demanding environments.
Jfets Feature Summary
- Utilizes silicon JFET technology for stable signal processing
- Features a hermetically sealed TO-18-3 metal can package
- Supports high-temperature operation up to 200 °C
Jfets Applications
- High-reliability analog switching circuits
- Low-noise amplifier input stages
- Precision variable resistance applications
Jfets Procurement Notes
Verify the specific suffix 'TR' against the manufacturer's official datasheet to confirm tape-and-reel packaging requirements. Ensure the ordering part number matches the exact electrical specifications required for the design. Confirm RoHS compliance status directly with Microchip Technology documentation prior to procurement.
Jfets Selection Notes
Select this component when a ruggedized N-channel JFET with a standard TO-18 footprint is required. Verify that the 40 V breakdown voltage and 50 mA current limits align with circuit demands. Consider the 360 mW power dissipation capability for thermal management in enclosed assemblies.
Jfets Part Context
This part belongs to the 2N4858 series of high-reliability JFETs produced by Microchip Technology. It serves as a discrete semiconductor solution for analog signal control. The device is distinct from other variants in the family based on its specific pinout and packaging configuration.
Jfets Replacement Considerations
Consult Microchip Technology documentation for verified cross-reference part numbers. Do not substitute with generic equivalents without verifying pin compatibility and electrical parameter alignment.
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