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Product Detailed Parameters
- Description：JFET N-CH
- Series：-
- Mfr：Microchip Technology
- Package：Bulk
- FET Type：-
- Voltage - Breakdown (V(BR)GSS)：-
- Drain to Source Voltage (Vdss)：-
- Current - Drain (Idss) @ Vds (Vgs=0)：-
- Current Drain (Id) - Max：-
- Voltage - Cutoff (VGS off) @ Id：-
- Input Capacitance (Ciss) (Max) @ Vds：-
- Resistance - RDS(On)：-
- Power - Max：-
- Operating Temperature：-
- Mounting Type：-
- Package / Case：-
- Supplier Device Package：-
- Grade：-
- Qualification：-
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Overview
The MV2N4857UB is an N-channel Junction Field-Effect Transistor (JFET) manufactured by Microchip Technology. It utilizes Silicon technology and is housed in a TO-18-3 metal can package designed for through-hole mounting. The device is classified under the JFET product category and carries the Microchip Technology trademark. This component serves as a discrete semiconductor solution for analog circuit applications requiring specific field-effect characteristics.
Feature Summary
- Constructed using Silicon technology for reliable semiconductor performance
- Designed with a TO-18-3 metal can package suitable for through-hole installation
- Functions as an N-channel Junction Field-Effect Transistor
Applications
- Analog signal processing circuits
- Low-noise amplifier stages
- High-impedance input buffers
Procurement Notes
Verify the exact datasheet version and mechanical dimensions prior to integration, as specifications may vary between revisions. Confirm that the TO-18-3 package style aligns with the target PCB layout and thermal management requirements. Ensure compliance with all relevant environmental and safety standards applicable to the final assembly. Cross-reference the manufacturer part number with official Microchip documentation to validate current production status and availability constraints.
Selection Notes
Select this component when an N-channel JFET in a hermetically sealed metal can is required for high-reliability applications. The TO-18-3 package offers robust protection against environmental factors compared to plastic alternatives. Consider the through-hole mounting style if board space allows and higher mechanical stability is needed. Evaluate the specific electrical parameters of the JFET against circuit requirements for biasing and gain.
Part Context
This device belongs to the Microchip Technology JFET product line, which provides discrete field-effect transistors for various electronic applications. The MV2N4857UB specifically represents the N-channel variant within this family. It is distinct from other packages or channel types offered by the manufacturer, serving niche markets where metal-can packaging and specific JFET characteristics are mandated by design specifications.
Replacement Considerations
Consult official Microchip substitution guides for compatible JFETs. Verify pinout compatibility and electrical parameter overlaps before replacing the MV2N4857UB with alternative components. Ensure that any substitute maintains the TO-18-3 form factor or requires appropriate adapter solutions.
