ELK-E471FA

Overview

The Panasonic ELK-E471FA is a surface-mount EMI filter component belonging to the ELKE series. It features a coil-type digital noise filter design housed in a 1207 (3218 metric) package with dimensions of 3.2 mm length, 1.8 mm width, and 2.2 mm height. The device operates within a temperature range of -20°C to +85°C and supports a maximum DC current of 5 A. Key electrical specifications include a capacitance of 470 pF and a voltage rating of 50 V. The component utilizes SMD/SMT termination types for automated assembly.

Feature Summary

• Provides effective electromagnetic interference suppression through integrated LC filtering topology
• Designed specifically for digital noise reduction in sensitive signal lines
• Supports high-current operation suitable for secondary power supply applications

Applications

• Data line protection in game equipment
• Secondary power supply filtering for digital AV devices
• EMI suppression in communications equipment

Procurement Notes

Verify component authenticity and datasheet alignment before integration. Confirm that the specified operating temperature range and current ratings meet system requirements. Check for end-of-life status or alternative sourcing options due to potential availability constraints. Ensure proper handling procedures are followed during surface mount assembly.

Selection Notes

Select this component when compact surface-mount EMI filtering is required for data or power lines. The 1207 package offers a balance between footprint size and current handling capability. Consider the 50 V rating and 5 A current limit against circuit conditions. Verify compatibility with reflow soldering profiles for SMD/SMT processes.

Part Context

This part belongs to the Panasonic ELKE series of EMI filters. These components are engineered for suppressing common-mode and differential-mode noise in electronic circuits. The series targets applications requiring reliable noise attenuation in space-constrained surface-mount designs.

Replacement Considerations

Consult official documentation for verified substitute part numbers. Cross-reference package dimensions and electrical parameters carefully. Ensure any replacement maintains equivalent filtering characteristics and thermal performance.