BFCN-1855+

Overview

The BFCN-1855+ is an LTCC bandpass filter with a center frequency of 1.855 GHz and a bandwidth of 130 MHz, designed for 50 Ohm systems. It utilizes 12-layer multilayer ceramic technology to achieve miniature size and high repeatability. The device features wrap-around terminations to minimize performance variations caused by parasitics. It offers low insertion loss and good rejection at the band-reject edges. The LTCC construction provides a rugged package suitable for tough environments, including high humidity and high-temperature extremes.

Feature Summary

• Constructed using 12-layer LTCC technology for miniature size and high repeatability
• Wrap-around terminations minimize performance variations due to parasitics
• Rugged package suitable for high humidity and high-temperature extremes

Applications

• S-band upconverter signal conditioning
• RF signal filtering in harsh environments
• High-repeatability bandpass applications

Procurement Notes

Verify the specific datasheet version for the BFCN-1855+ to confirm exact electrical parameters and mechanical dimensions. Ensure compatibility with 50 Ohm system impedance. Check for RoHS compliance status as indicated on official Mini-Circuits documentation. Confirm surface mount package requirements during integration.

Selection Notes

Select this component when a compact, rugged bandpass filter is required for S-band applications. The LTCC construction ensures reliability in extreme temperatures and humidity. Verify that the 130 MHz bandwidth and 1.855 GHz center frequency meet system specifications. Consider the low insertion loss and high rejection characteristics for signal integrity.

Part Context

The BFCN-1855+ belongs to the Mini-Circuits BFCN series of LTCC bandpass filters. This series is characterized by multilayer ceramic technology, offering miniature size and high repeatability. The components are designed for signal conditioning in RF and microwave applications, providing robust performance in challenging environmental conditions.

Replacement Considerations

Consult Mini-Circuits official documentation for confirmed substitute part numbers. Do not assume cross-compatibility with other filter series without verifying electrical and mechanical specifications against the original datasheet.