BFHKI-6751+

Overview

The BFHKI-6751+ is a miniature low temperature co-fired ceramic (LTCC) ultra-high stopband rejection band pass filter. It features a passband from 5.9 to 6.9 GHz with a center frequency of 6.4 GHz and a bandwidth of 1 GHz. The component operates at a nominal impedance of 50 Ohms and exhibits an insertion loss of 5.5 dB. It utilizes a surface mount 3-SMD, no lead package measuring 4.95 mm x 3.65 mm x 1.96 mm.

Feature Summary

• Ultra-high stopband rejection characteristics for effective signal isolation
• Integrated interposer board providing shielded construction
• Miniature LTCC design suitable for surface mount applications

Applications

• EMI/RFI filtering in electronic circuits
• Signal conditioning in RF systems
• Wireless communication infrastructure

Procurement Notes

Verify the specific datasheet version against the manufacturer's official documentation before integration. Confirm that the RoHS compliance status matches current regulatory requirements for your region. Ensure the surface mount footprint dimensions align precisely with your PCB layout constraints to guarantee proper soldering and mechanical stability during operation.

Selection Notes

Select this component when high stopband rejection is required within the 5.9 to 6.9 GHz range. The integrated shielded construction makes it suitable for dense circuit layouts where interference mitigation is critical. Consider the 50 Ohm impedance match for standard RF system compatibility and verify that the LTCC material properties meet the thermal operating conditions of the final assembly environment.

Part Context

This part belongs to the BFHKI series of high-performance LTCC SMT bandpass filters from Mini-Circuits. The series is characterized by its shielded construction and integrated interposer board, designed to provide reliable signal conditioning in compact form factors. These filters are engineered for applications demanding precise frequency selection and robust noise suppression in modern electronic devices.

Replacement Considerations

Consult Mini-Circuits official substitution guides for verified alternatives. Cross-reference specifications such as passband width, insertion loss, and physical dimensions to ensure functional equivalence without redesigning the host circuit board or impedance matching networks.