U422 TO-78 7L ROHS

Overview

The U422 is a dual N-channel JFET manufactured by Linear Integrated Systems, Inc. in a TO-78-7 metal can package. It features a drain-source voltage rating of 40 V and a maximum power dissipation of 500 mW. The device exhibits an input capacitance of 3 pF at 10 V. Designed for through-hole mounting, this component provides low leakage and low drift characteristics suitable for precision analog applications.

Feature Summary

• Dual N-channel junction field-effect transistor configuration
• Low leakage and low drift performance specifications
• Monolithic construction for stability

Applications

• Precision analog signal processing circuits
• High-impedance input stages
• Low-noise amplifier designs

Procurement Notes

Verify the specific manufacturer designation and RoHS compliance status directly with authorized distributors or the manufacturer's official documentation before procurement. Ensure the ordering suffix matches the required package variant and environmental certification to avoid receiving non-compliant or incorrect component revisions.

Selection Notes

Select this component when designing circuits requiring dual N-channel JFETs with high input impedance and minimal drift. Consider the TO-78-7 package constraints for thermal management and mechanical integration. Validate that the 40 V drain-source voltage and 500 mW power dissipation limits align with the operational requirements of the target application.

Part Context

Linear Integrated Systems, Inc., operating under the brand Linear Systems, specializes in specialty small-signal discrete semiconductors. This manufacturer produces components such as the U422, focusing on high-performance analog devices for niche electronic applications requiring precise signal handling capabilities.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material. Consult official manufacturer cross-reference guides for verified alternatives.