LFCG-2500+

Overview

The LFCG-2500+ is an LTCC low-pass filter manufactured by Mini-Circuits, designed for high-frequency signal conditioning. It features a passband from DC to 2500 MHz with a 50 Ohm impedance. The component utilizes a compact 0805 (2012 Metric) surface-mount package, specifically the GE0805C-2 case style. Typical insertion loss in the passband is 1.2 dB, providing efficient signal transmission while attenuating higher frequencies.

Feature Summary

• Utilizes Low-Temperature Co-fired Ceramic (LTCC) technology for robust construction and thermal stability.
• Provides effective high-frequency filtering for digital circuits within a miniature footprint.
• Designed for board mounting with SMD/SMT termination types for automated assembly.

Applications

• High-frequency filtering for digital circuits
• RF signal conditioning in communication systems
• Interstage filtering in microwave modules

Procurement Notes

Verify the exact datasheet revision when sourcing, as Mini-Circuits may update electrical specifications or mechanical drawings over time. Confirm that the ordering suffix matches the required performance characteristics, as suffixes can indicate variations in testing or packaging. Ensure compatibility with standard 0805 reflow soldering profiles during integration.

Selection Notes

Select this component when a compact, cost-effective low-pass filter is needed for frequencies up to 2500 MHz. The LTCC construction offers reliability in harsh environments compared to some discrete alternatives. Consider the 0805 package size constraints and the specific attenuation requirements beyond the cutoff frequency when evaluating system performance.

Part Context

The LFCG series represents Mini-Circuits' line of low-cost, high-performance ceramic filters. These components are engineered to replace bulkier traditional filter designs in modern electronics. The LFCG-2500+ specifically targets applications requiring sharp roll-off characteristics in a small form factor, supporting the trend toward miniaturization in RF and microwave subsystems.

Replacement Considerations

Direct substitutes include other Mini-Circuits models within the LFCG family with similar cutoff frequencies. Cross-brand replacements require matching the 0805 package dimensions, 50 Ohm impedance, and LTCC construction to ensure mechanical and electrical compatibility without redesigning the PCB layout.

FAQ

What is the typical insertion loss of the LFCG-2500+?

The typical insertion loss in the passband is 1.2 dB.

What package style does the LFCG-2500+ use?

It uses a 0805 (2012 Metric) surface-mount package, identified as case style GE0805C-2.