2N4858U

Jfets Overview

The Microchip Technology 2N4858U is a Silicon N-Channel Junction Field Effect Transistor (JFET) designed for general-purpose amplification and switching applications. It utilizes the TO-18 metal can package, providing robust performance in through-hole configurations. The device operates with a maximum drain-source voltage of 25V and a continuous drain current of 10mA. Key electrical characteristics include a gate cutoff voltage ranging from -0.5V to -6V and a zero-gate-voltage drain current between 0.1mA and 3mA. These specifications define its operational limits within standard electronic circuits.

Jfets Feature Summary

• Utilizes Silicon technology for reliable semiconductor performance
• Features a hermetically sealed TO-18 metal can package
• Designed for general-purpose amplification and switching functions

Jfets Applications

• General-purpose analog signal amplification
• Electronic switching circuits
• Low-noise pre-amplifier stages

Jfets Procurement Notes

Verify the specific manufacturer datasheet for the 2N4858U to confirm exact pinout configurations and absolute maximum ratings before integration. Ensure that the procurement source provides authentic components matching the Microchip Technology specifications. Cross-reference the part number with official distributor catalogs to validate authenticity and technical compliance.

Jfets Selection Notes

Select this component when a ruggedized JFET with a metal can package is required for through-hole assembly. Consider the TO-18 form factor for applications demanding high reliability or specific mechanical mounting constraints. Evaluate the gate cutoff voltage range against circuit biasing requirements to ensure proper operation within the specified electrical parameters.

Jfets Part Context

The 2N4858U belongs to the broader category of N-channel JFETs manufactured by Microchip Technology. It shares functional similarities with other devices in the 2N485x series, such as the MX2N4858UB, though packaging and suffix variations may exist. This component represents a standard discrete transistor solution for analog design engineers requiring proven silicon performance.