SF18801

Overview

The SF18801 is a passive bandpass cavity filter manufactured by Fairview Microwave, designed for RF applications. It operates with a center frequency of 1880 MHz and provides a bandwidth of 60 MHz, covering the range from 1.85 GHz to 1.91 GHz. The component features SMA female connectors and exhibits an insertion loss of 1.5 dB. Packaged as a module in a bag, it is currently classified as obsolete.

Feature Summary

• Three-section bandpass cavity design optimized for WCDMA filtering
• SMA female connector interface for standard integration
• Passive filter technology ensuring signal integrity

Applications

• WCDMA signal filtering
• RF system frequency selection
• Base station signal processing

Procurement Notes

Verify availability status carefully as the SF18801 is listed as obsolete. Confirm final specifications against official datasheets before integration. Check for end-of-life notices or last-time buy windows. Ensure compatibility with existing SMA interfaces. Review replacement options if long-term supply is required.

Selection Notes

Select this component only if the specific 1.85-1.91 GHz passband matches system requirements. Consider the 1.5 dB insertion loss impact on link budget. Verify SMA connector gender and mounting style. Evaluate obsolescence risk for production longevity. Compare performance against newer available alternatives.

Part Context

Fairview Microwave produces RF filters and interconnects. The SF18801 belongs to their bandpass filter line. It targets wireless communication frequencies. The company focuses on microwave and RF solutions. This part serves niche filtering needs.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Due to the obsolete status, alternative components must be sourced through engineering evaluation. No direct cross-reference data is present.