MX2N4091UB/TR

Overview

The MX2N4091UB/TR is a single 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. Key electrical specifications include a drain-source breakdown voltage of 40 V and a gate-source breakdown voltage of -40 V. The device supports a continuous drain current of 30 mA with a maximum power dissipation of 360 mW. It operates within a temperature range from -65 °C to +175 °C.

Feature Summary

• Single N-channel JFET configuration utilizing silicon technology
• Metal TO-18-3 hermetic package suitable for high-reliability environments
• Wide operating temperature range extending to +175 °C

Applications

• High-reliability analog signal processing circuits
• Low-noise amplifier stages requiring wide temperature stability
• Military and aerospace electronic systems

Procurement Notes

Verify the specific suffix designation against official Microchip documentation to confirm surface-mount or tape-and-reel availability, as datasheets may list distinct packaging options. Ensure the procurement channel sources directly from authorized distributors to guarantee component authenticity and traceability. Confirm RoHS compliance status if required by project specifications, noting that some military-grade variants may carry different environmental declarations.

Selection Notes

Select this component when a ruggedized, hermetically sealed JFET is required for extreme thermal conditions. The TO-18-3 package provides superior thermal management compared to standard plastic packages. Engineers should evaluate the 40 V breakdown limits and 360 mW dissipation rating against circuit requirements. Consider the single-channel topology for space-constrained designs needing discrete amplification.

Part Context

This part belongs to the Microchip MX2N series of junction field-effect transistors. The series is characterized by its use in high-performance analog applications where reliability is critical. The 'UB' suffix typically denotes specific binning or packaging variations within the product line, while the '/TR' indicates reel packaging for automated assembly processes.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material. Cross-reference with other Microchip JFETs such as the MQ2N4091 only after verifying pinout compatibility and electrical parameter alignment via official datasheets.