BFCW-542+

Overview

The BFCW-542+ is a surface-mount LTCC bandpass filter designed for RF signal conditioning. It operates within a frequency range of 4700 MHz to 6000 MHz, centered at 5350 MHz with a bandwidth of 1.3 GHz. The component features a 50 Ohm impedance and an insertion loss of 1.3 dB. Packaged in a compact 0603 (1608 metric) SMD case style, it supports board mounting and functions reliably across a temperature range of -55°C to +100°C.

Feature Summary

• Utilizes Low-Temperature Co-fired Ceramic (LTCC) technology for high Q-factor performance
• Provides effective EMI and RFI suppression through precise bandpass filtering
• Designed for surface mount assembly in space-constrained circuit layouts

Applications

• S-band upconverter signal path filtering
• Wireless communication system front-end modules
• RFI/EMI suppression in microwave circuits

Procurement Notes

Verify the specific datasheet revision and electrical test conditions against Mini-Circuits official documentation before integration. Confirm that the 0603 package dimensions align with your PCB footprint requirements. Ensure operating temperatures remain within the specified -55°C to +100°C range for reliable performance. Cross-reference the part number suffix to confirm RoHS compliance status as listed in current manufacturer records.

Selection Notes

Select this component when a narrowband filter is required for the 4.7–6.0 GHz range with minimal insertion loss. The 50 Ohm impedance matches standard RF transmission lines. Consider the small 0603 form factor for dense PCB designs. Verify that the 1.3 GHz bandwidth meets the spectral requirements of the target application without excessive signal attenuation in the passband.

Part Context

This component belongs to the BFCW series of ceramic bandpass filters from Mini-Circuits. The series is characterized by its use of LTCC technology, offering stability and reliability in microwave applications. These filters are engineered for consistent performance in demanding RF environments, supporting various wireless and industrial standards requiring precise frequency selection.

Replacement Considerations

Consult Mini-Circuits official substitution guides for verified equivalents. No public substitute part numbers are confirmed in the provided source material.