ELK-E220FA

Overview

The ELK-E220FA is a surface-mount LC-type EMI filter manufactured by Panasonic Electronic Components. It features a T-type topology designed for noise suppression in high-frequency circuits. The component has a capacitance of 22 pF and operates effectively up to a cutoff frequency of 200 MHz. Its physical dimensions are 3.20 mm in length and 1.80 mm in width, conforming to the 1207 SMD package standard. This passive component is engineered for reliable performance in compact electronic assemblies requiring efficient electromagnetic interference mitigation.

Feature Summary

• Utilizes LC T-type topology for effective signal filtering
• Designed for surface-mount assembly on printed circuit boards
• Provides electromagnetic interference suppression in high-frequency applications

Applications

• High-speed digital signal line noise suppression
• Power supply input/output filtering
• RF circuit interference mitigation

Procurement Notes

Verify the manufacturer part number ELK-E220FA against official Panasonic documentation to confirm specifications. Ensure compatibility with the target PCB footprint and thermal requirements. Cross-reference datasheet parameters such as capacitance and frequency response with system design needs before procurement.

Selection Notes

Select this component when a compact LC filter is required for frequencies up to 200 MHz. The 1207 package size suits space-constrained designs. Verify that the 22 pF capacitance aligns with the specific impedance matching and filtering characteristics required by the application circuit.

Part Context

This component belongs to the ELKE series of EMI filters from Panasonic. These components are passive devices intended for noise reduction in electronic systems. The ELK-E220FA specifically addresses high-frequency interference using a low-pass filter configuration within a small surface-mount form factor.

Replacement Considerations

Consult official Panasonic substitution guides or equivalent manufacturer catalogs for verified alternatives. Ensure any replacement matches the 1207 package dimensions, 22 pF capacitance, and 200 MHz operational frequency limits.