MV2N4391UB

Overview

The MV2N4391UB 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 through-hole package. Key electrical specifications include a drain-source breakdown voltage of 40 V, a gate-source breakdown voltage of -40 V, and a zero-gate-voltage drain current of 30 mA. The device supports a continuous drain current of -100 pA with a drain-source on-resistance of 30 Ohms. Power dissipation is rated at 360 mW, and it operates within a temperature range of -65 C to +175 C.

Feature Summary

• Single N-channel JFET configuration for discrete circuit applications
• Silicon-based construction ensuring stable performance across wide temperature ranges
• Through-hole mounting capability via the TO-18-3 metal can package

Applications

• Low-noise analog signal amplification stages
• High-impedance input buffer circuits
• Precision current source implementations

Procurement Notes

Verify the specific suffix 'UB' against official Microchip documentation to confirm exact binning or testing criteria, as suffixes often denote specific parameter tolerances or manufacturing lot variations. Ensure the procurement channel provides valid traceability records. Confirm that the TO-18-3 package dimensions match the target PCB footprint requirements before finalizing orders.

Selection Notes

Select this component when a single N-channel JFET with a 40 V breakdown voltage and 30 mA saturation current is required. The TO-18-3 package is suitable for through-hole assembly processes. Consider the -65 C to +175 C operating range for harsh environment applications. Verify that the 360 mW power dissipation rating meets the thermal design constraints of the intended circuit layout.

Part Context

The MV2N4391UB belongs to the Microchip Technology JFET product line, specifically designed for analog signal processing tasks. It shares the TO-18-3 form factor with other devices in the series, such as the MX2N4391UB and MQ2N4391, facilitating standardized mechanical integration. These components are typically used in high-fidelity audio and precision instrumentation where low noise and high input impedance are critical.

Replacement Considerations

Publicly confirmed substitute part numbers for the MV2N4391UB were not identified in the provided reference data. Cross-referencing with similar Microchip JFETs requires verification of specific electrical parameter matches, particularly regarding $I_{DSS}$ and $V_{GS(off)}$ bins.