BFHK-9901+

Overview

The BFHK-9901+ is a high-performance LTCC bandpass filter designed for the 8.6–10.9 GHz frequency range with a center frequency of 9.7 GHz. It features a 2.3 GHz bandwidth and operates at a standard 50Ω impedance. The component exhibits a typical insertion loss of 4.2 dB and provides stopband rejection of approximately 80 dB. Packaged in a compact 1812 surface-mount footprint, it utilizes proprietary Low-Temperature Co-fired Ceramic material to ensure miniature size and high performance repeatability.

Feature Summary

• Utilizes proprietary LTCC material system for high performance repeatability
• Provides EMI/RFI suppression capabilities within the specified frequency band
• Achieves high stopband rejection levels for effective signal filtering

Applications

• EMI and RFI suppression circuits
• Power line filtering applications
• Microwave communication systems operating in the Ku-band

Procurement Notes

Verify the specific ordering suffix to confirm package type and termination style, as variations may exist within the product family. Ensure that the required frequency specifications align with the 8.6–10.9 GHz operational range before procurement. Cross-reference the datasheet for precise electrical tolerances and thermal characteristics relevant to your specific design environment. Confirm availability through authorized distributors or direct manufacturer channels to guarantee genuine components.

Selection Notes

Select this component when a compact surface-mount solution is required for frequencies between 8.6 and 10.9 GHz. The 1812 package size offers space efficiency compared to larger ceramic filters. Consider the 4.2 dB insertion loss and 80 dB rejection metrics against system requirements. This filter is suitable for designs prioritizing miniaturization and consistent performance in microwave applications without requiring bulky housing structures.

Part Context

The BFHK-9901+ belongs to the Mini-Circuits BFHK series of LTCC bandpass filters. This series covers a broad frequency spectrum from 4.5 GHz to 23.8 GHz. The BFHK-9901+ specifically targets the 9.7 GHz region, offering a balance of size and performance. It is part of a standardized lineup designed for reliable integration into various RF front-end architectures.

FAQ

What is the center frequency of the BFHK-9901+?

The center frequency is 9.7 GHz.

What is the package type for this filter?

It is housed in a 1812 surface-mount package.