B280MF1S-T

Overview

The B280MF1S-T is a surface mount bandpass filter manufactured by Knowles Dielectric Labs, designed for signal conditioning applications. It operates at a center frequency of 28 GHz with a bandwidth of 3 GHz, covering the range from 26.5 to 29.5 GHz. The component features a 50 Ohm impedance and an insertion loss of 2.9 dB. It utilizes SMD/SMT termination and board mount installation. The device functions within a temperature range of -55°C to +125°C and is supplied in reel packaging.

Feature Summary

• High stability bandpass filtering capability centered at 28 GHz
• Surface mount construction for automated board integration
• Wide operational temperature range suitable for harsh environments

Applications

• Radio frequency signal conditioning
• Microwave communication systems
• Test and measurement equipment

Procurement Notes

Verify the specific suffix configuration against official datasheets to ensure compatibility with design requirements. Confirm that the reel packaging format aligns with manufacturing handling procedures. Cross-reference the manufacturer part number with authorized distributor listings to validate authenticity and current availability status before finalizing procurement orders.

Selection Notes

Select this component when a fixed 28 GHz center frequency with 3 GHz bandwidth is required. Ensure the system impedance matches the 50 Ohm specification. Verify that the physical dimensions and thermal characteristics fit within the designated PCB layout constraints. Consider the insertion loss value relative to overall system gain requirements.

Part Context

This component belongs to the bandpass filter series produced by Knowles Dielectric Labs. It is categorized under signal conditioning devices intended for high-frequency applications. The product line focuses on providing stable RF performance in compact surface mount packages for modern electronic systems requiring precise frequency selection.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Evaluate alternative components based on matching electrical specifications such as center frequency, bandwidth, and impedance. Ensure any replacement maintains compatible physical footprint and mounting style.