B85121A2105A201

Overview

The B85121A2105A201 is a feedthrough capacitor from the EPCOS EMC filters series. It features a capacitance of 1µF with a tolerance of ±20%. The component is rated for 600V DC and operates within a temperature range of -40°C to +85°C. It utilizes an axial termination style suitable for panel mounting applications.

Feature Summary

• Provides effective electromagnetic interference suppression through feedthrough architecture
• Designed for high-voltage environments with 600V rating
• Axial lead configuration facilitates secure panel installation

Applications

• Power supply filtering in industrial equipment
• EMI suppression in aerospace systems
• High-voltage circuit protection

Procurement Notes

Verify the manufacturer datasheet for specific handling requirements and moisture sensitivity levels. Confirm that the axial package dimensions match your panel cutout specifications. Ensure the 600V rating meets your system's voltage requirements. Check for any recent product change notices regarding material or construction updates.

Selection Notes

Select this component when a 1µF capacitance value is required for high-frequency noise attenuation. The axial form factor is ideal for direct panel penetration mounting. Consider the -40°C to +85°C operating range against your environmental conditions. Verify compatibility with existing PCB or chassis layouts requiring feedthrough topology.

Part Context

This part belongs to the EPCOS B85121 series of EMC feedthrough capacitors. These components are engineered for robust noise suppression in demanding electronic environments. The series offers various capacitance values while maintaining consistent mechanical and electrical characteristics for standardized integration.

Replacement Considerations

Consult official TDK documentation for verified substitute part numbers. Cross-reference capacitance, voltage rating, and physical dimensions before substitution. Generic equivalents may not meet the same EMI performance standards.