851-20/010

Overview

The Qualtek 851-20/010 is a single-stage general-purpose EMI filter designed for chassis mounting. It operates at voltage ratings of 115VAC to 250VAC with a current rating of 20A. The component supports frequencies of 50/60Hz and features an operating temperature range of -25°C to 85°C. Electrical specifications include a leakage current between 0.25mA and 0.45mA (250uA to 450uA). The unit weighs approximately 159g and utilizes quick connect terminals for installation.

Feature Summary

• Single-stage electromagnetic interference suppression
• Chassis mounting configuration
• Quick connect terminal interface

Applications

• Electronic equipment requiring EMI suppression
• Power line filtering applications
• Industrial control systems

Procurement Notes

Verify the obsolete lifecycle status before procurement planning. Confirm that the chassis mount style and quick connect terminals match the system design requirements. Ensure the 20A current rating and 115-250VAC voltage range are compatible with the target power supply infrastructure. Check for RoHS compliance documentation if required by specific regulatory standards.

Selection Notes

Select this component when a single-stage EMI filter is sufficient for noise reduction needs. The 20A rating suits moderate power applications. Consider the chassis mount requirement during mechanical design. Verify that the leakage current limits meet safety regulations for the intended market. The wide voltage range allows flexibility in global deployment.

Part Context

This part belongs to the Qualtek 851 series of power line filters. It is manufactured by Qualtek Electronics Corp under their PPC Division. The series focuses on general-purpose EMI filtering solutions. The component is distinct from multi-stage or inline filter variants within the broader product catalog.

Replacement Considerations

No public confirmed substitute part numbers are available in the provided data. The component lifecycle status is listed as obsolete, which may necessitate design changes or alternative sourcing strategies.