BFHKI-1252+

Overview

The BFHKI-1252+ is a miniature low temperature co-fired ceramic (LTCC) ultra-high stopband rejection bandpass filter manufactured by Mini-Circuits. It features a passband ranging from 10.9 to 13.9 GHz with a center frequency of 12.4 GHz and a bandwidth of 3 GHz. The component operates at a standard impedance of 50 Ohms and utilizes surface-mount technology. Designed for space-constrained applications, it incorporates an integrated interposer board and shielded construction to ensure reliable RF performance in microwave systems.

Feature Summary

• Ultra-high stopband rejection capability utilizing LTCC technology
• Integrated interposer board with shielded construction for enhanced isolation
• Miniature surface-mount package designed for space-constrained PCB layouts

Applications

• Microwave communication systems requiring specific frequency filtering
• Space-constrained RF front-end modules
• Test and measurement equipment operating within the Ku-band range

Procurement Notes

Verify that the ordering suffix matches the required configuration, as specified in official documentation. Confirm RoHS and REACH compliance status directly with the manufacturer or authorized distributor. Ensure the procurement channel is authorized to guarantee component authenticity and traceability. Cross-reference the part number against current Mini-Circuits catalogs to validate availability and technical specifications before finalizing orders.

Selection Notes

Select this component when high stopband rejection and compact form factor are critical requirements. The LTCC construction offers stability suitable for demanding environments. Consider the 50 Ohm impedance match for system integration. Evaluate the physical dimensions against available PCB real estate. This filter is appropriate for applications needing precise bandpass characteristics within the 10.9 to 13.9 GHz range without excessive footprint consumption.

Part Context

The BFHKI-1252+ belongs to the BFHKI family of surface-mount bandpass filters from Mini-Circuits. This series is characterized by its use of low temperature co-fired ceramic technology, which enables miniaturization while maintaining high performance. The BFHKI line is engineered for applications where size constraints limit traditional filter implementations, providing a robust solution for modern RF designs.

Replacement Considerations

No public confirmed substitute part numbers are documented for this specific model. Users should consult Mini-Circuits engineering support for potential alternatives if discontinuation occurs. Direct replacements must match the electrical parameters and physical footprint precisely.