SLFL21-1R400G-01MTF

Overview

The SLFL21-1R400G-01MTF is a multilayer chip low-pass LC filter manufactured by Shenzhen Sunlord Electronics Co., Ltd. Designed for surface-mount applications, this component operates at a center frequency of 1.4 GHz with an 805 (2012 metric) package size. It features a maximum insertion loss of 0.5 dB and provides a minimum attenuation of 27 dB at frequencies defined as 2 times the center frequency plus or minus 50 MHz. The device is housed in a standard tape-and-reel packaging format suitable for automated assembly processes.

Feature Summary

• Multilayer ceramic construction for compact surface-mount integration
• Low insertion loss characteristics for signal integrity preservation
• High attenuation performance at specified stopband frequencies

Applications

• RF front-end filtering in wireless communication modules
• Signal conditioning in mobile handset transceivers
• Harmonic suppression in RF power amplifiers

Procurement Notes

Verify the complete part number including the suffix to ensure correct termination and tolerance specifications. Confirm the package dimension matches the target PCB land pattern. Check moisture sensitivity level requirements for reflow soldering profiles. Validate that the manufacturer's datasheet parameters align with system design constraints before finalizing procurement orders.

Selection Notes

Select this component when a low-pass filter with a 1.4 GHz cutoff is required in an 805 package. Ensure the application can accommodate the specific attenuation profile at twice the center frequency. Compare insertion loss specifications against other available options to meet signal-to-noise ratio requirements. Verify compatibility with standard surface-mount assembly equipment.

Part Context

This component belongs to the SLFL series of multilayer chip low-pass LC filters from Shenzhen Sunlord Electronics. The series utilizes ceramic dielectric materials to achieve high Q factors and stable performance across temperature variations. These filters are engineered for high-volume production environments requiring consistent electrical characteristics and reliable long-term operation in consumer electronics.

Replacement Considerations

Consult official manufacturer substitution lists for verified equivalents. Cross-reference package dimensions and pin configurations to ensure mechanical compatibility. Verify that alternative components meet or exceed the original insertion loss and attenuation specifications.