2N4861UB

Jfets Overview

The 2N4861UB is a JFET manufactured by Microchip Technology. It is classified under Transistors and specifically JFETs. The device features a Round-End JFET construction. Key electrical specifications include a voltage rating of 30V, a power dissipation capacity of 360mW, and a current handling capability of 50mA.

Jfets Feature Summary

• Round-end JFET construction
• Military-grade qualification per MIL-PRF-19500

Jfets Applications

• RF amplifier circuits
• Low-noise signal processing
• High-frequency switching applications

Jfets Procurement Notes

Verify the specific revision level and lot traceability when ordering. Confirm that the package type matches the intended PCB footprint. Ensure the supplier provides original manufacturer documentation to validate authenticity. Check for any special handling requirements due to the ceramic or metal construction typical of this series.

Jfets Selection Notes

Select this component for applications requiring high-frequency performance with low noise characteristics. Consider the 30V breakdown voltage and 360mW power dissipation limits during thermal design. Verify compatibility with existing circuit biasing networks given the 50mA current rating.

Jfets Part Context

This part belongs to the 2N48xx series of JFETs produced by Microchip Technology. These devices are often used in RF and microwave applications where low noise figure and high gain are critical. The 'UB' suffix typically denotes a specific package variant within this family.

Jfets Replacement Considerations

Check for direct replacements such as other 2N48xx series variants from Microchip or equivalent JFETs from other manufacturers like ON Semiconductor or Vishay. Ensure pinout compatibility and matching electrical parameters before substitution.