HFCN-4400D+

Overview

The HFCN-4400D+ is a high-pass filter manufactured by Mini-Circuits using low-temperature co-fired ceramic (LTCC) technology. It operates within an ultra-wideband frequency range of 29 GHz to 56.2 GHz. The component features a center frequency of 7.55 GHz and a nominal impedance of 50 Ohms. It is housed in a compact 6-SMD, no-lead package with dimensions of 3.20mm x 1.60mm. Electrical specifications include a minimum DC resistance to ground of 100 Mohms.

Feature Summary

• Utilizes low-temperature co-fired ceramic (LTCC) construction for robust performance
• Designed for ultra-wideband operation extending up to 56.2 GHz
• Compact surface-mount form factor suitable for dense PCB layouts

Applications

• RF signal filtering in microwave communication systems
• Spectrum analysis equipment input stages
• Test and measurement instrumentation requiring high-frequency rejection

Procurement Notes

Verify the specific datasheet revision and electrical test conditions when sourcing this component. Confirm that the LTCC material properties align with your thermal management requirements. Ensure the 6-SMD no-lead package footprint matches your PCB land pattern exactly. Check for any specific handling instructions related to moisture sensitivity levels before assembly.

Selection Notes

Select this component when a high-pass filter is required for frequencies starting around 7.55 GHz and extending into the millimeter-wave range. The LTCC technology offers stability across wide bandwidths. Consider the physical size constraints as the 3.20mm x 1.60mm package is small but requires precise soldering techniques for the no-lead configuration.

Part Context

This part belongs to the HFCN series from Mini-Circuits, which specializes in ceramic filters for RF and microwave applications. The series utilizes co-fired ceramic technology to achieve high performance in a miniature package. These components are designed to replace bulkier traditional filter solutions while maintaining strict electrical specifications for high-frequency signal integrity.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Verify compatibility with existing circuit designs if considering alternative high-pass filters from other manufacturers or different Mini-Circuits series.