5697CR45A0031001E

Overview

The Johanson Technology Inc. 5697CR45A0031001E is a surface-mount bandpass filter designed for RF signal conditioning applications. It operates at a center frequency of 5.697 GHz with a specified bandwidth of 3 MHz, covering the range from 5.49 GHz to 5.85 GHz. The component features an insertion loss of 2.5 dB and 1.5 dB. It utilizes SMD/SMT termination and is housed in a 3312 (8532 metric) package. The device supports board mounting and functions within a temperature range of -40°C to +100°C.

Feature Summary

• Provides precise bandpass filtering for high-frequency RF signals
• Designed for compact surface-mount integration
• Operates reliably across extended industrial temperature ranges

Applications

• WLAN systems operating in UNII bands
• Bluetooth wireless communication modules
• Zigbee network devices
• ISM band applications requiring specific frequency rejection

Procurement Notes

Verify component status as this part number may be discontinued or subject to limited availability. Confirm RoHS compliance and MSL rating prior to implementation. Ensure ordering suffixes match exact specifications. Cross-reference datasheets for latest revisions. Validate supply chain sources for authenticity.

Selection Notes

Select this component for designs requiring narrowband filtering near 5.7 GHz. Consider the 3312 package size for PCB layout constraints. Evaluate insertion loss requirements against system sensitivity. Verify thermal management capabilities for operation up to 100°C. Compare alternatives if wider bandwidth is needed.

Part Context

This component belongs to Johanson Technology's CR series of ceramic resonators and filters. The series targets high-frequency wireless applications including WLAN and Bluetooth. The manufacturer specializes in ceramic solutions for RF and microwave markets. This specific model addresses filtering needs in the 5 GHz unlicensed spectrum.

Replacement Considerations

Check for equivalent models such as 5697CR45A0360 which offers similar center frequencies but different bandwidth characteristics. Verify pin compatibility and electrical parameters before substitution. Consult official documentation for approved replacements.