NFA21SL317V1A48L

Overview

The NFA21SL317V1A48L is an EMI filter circuit from the Murata NFA21SL series, designed for surface-mount applications. It operates at a frequency of 310 MHz and utilizes an LC network topology. The component features a 0805 package with solder termination, measuring 2 mm in length, 1.25 mm in depth, and 0.85 mm in height. It supports a maximum DC voltage of 10 V and a maximum current of 20 mA. The device functions within a temperature range of -55°C to 125°C and complies with RoHS standards.

Feature Summary

• Surface-mount EMI filtering using LC network architecture
• Compact 0805 footprint suitable for space-constrained designs
• Wide operating temperature range for diverse environmental conditions

Applications

• Automotive lighting systems
• Car audio circuits
• Anti-theft system interfaces
• Display driver connections

Procurement Notes

Verify the specific part number against official Murata documentation to ensure compatibility with your design requirements. Confirm that the 310 MHz rating aligns with your signal integrity needs. Check for any specific handling instructions related to the 0805 surface-mount package during assembly processes.

Selection Notes

Select this component when low-profile EMI suppression is required for high-frequency signals up to 310 MHz. The 0805 package offers a balance between performance and board space efficiency. Ensure the 10 V DC and 20 mA ratings exceed your circuit's operational limits to maintain reliability under varying load conditions.

Part Context

This component belongs to the NFA21SL series of EMI/RFI filters manufactured by Murata Electronics. These filters are engineered for noise reduction in sensitive electronic circuits. The series is commonly integrated into automotive and consumer electronics where compact size and effective interference mitigation are critical design parameters.

Replacement Considerations

Consult official Murata substitution guides for verified alternatives. Cross-referencing with other NFA21SL variants may provide options with different cutoff frequencies or package sizes while maintaining similar electrical characteristics.