NFL18ST706H1A3D

Overview

The NFL18ST706H1A3D is a surface-mount EMI filter circuit manufactured by Murata Electronics. It utilizes an LC (T) filter topology with a cutoff frequency of 70 MHz. The component features a capacitance of 70 pF and an inductance of 230 nH. It operates within a voltage range of 10 V and supports a current rating of 75 mA. The device is housed in a 0603 (1608 metric) package, measuring 1.6 mm in length, 0.8 mm in width, and 0.6 mm in height. It functions reliably between -55°C and +125°C.

Feature Summary

• Provides sharp roll-off characteristics for effective electromagnetic interference suppression
• Integrates low-pass filtering functionality within a compact multilayer structure
• Designed for signal line protection in space-constrained applications

Applications

• Signal line filtering in portable electronic devices
• EMI suppression in automotive infotainment systems
• Noise reduction in high-speed data interfaces

Procurement Notes

Verify the specific part number against official Murata documentation to confirm electrical parameters and package dimensions. Ensure compatibility with existing PCB footprints and thermal requirements. Check for any recent product change notices or lifecycle status updates directly from the manufacturer before finalizing procurement plans.

Selection Notes

Select this component when a 70 MHz cutoff frequency is required for EMI mitigation in low-voltage signal paths. The 0603 footprint offers a balance between performance and board space efficiency. Consider the 75 mA current rating and 10 V voltage limit to ensure safe operation within the target circuit constraints without derating issues.

Part Context

This component belongs to the NFL series of EMI filters from Murata Electronics. These filters are engineered for high-performance noise suppression in compact form factors. The NFL series is widely utilized in consumer electronics and automotive sectors where space is limited and signal integrity is critical for reliable system operation.

Replacement Considerations

Consult official Murata substitution guides for verified alternatives. Cross-reference cutoff frequencies and package dimensions to ensure mechanical and electrical compatibility. Verify that any substitute maintains the required LC (T) topology and operating temperature range.