B127MB2S

Overview

The B127MB2S is a surface mount bandpass filter manufactured by Knowles Dielectric Labs. It operates at a center frequency of 12.75 GHz with a bandwidth of 1000 MHz. The component features a 50 Ohm impedance and utilizes SMD/SMT termination for board mounting. Designed for signal conditioning, it supports an operating temperature range from -55°C to +125°C. The unit is supplied in bulk packaging.

Feature Summary

• Provides selective signal transmission within the specified microwave frequency band
• Engineered for stable performance across extended industrial temperature ranges
• Utilizes compact surface mount architecture for automated PCB integration

Applications

• Microwave communication systems requiring precise frequency selection
• Signal conditioning circuits in radar applications
• Test and measurement equipment operating in the K-band spectrum

Procurement Notes

Verify the specific datasheet revision and mechanical dimensions against your PCB layout requirements before ordering. Confirm availability status as supply constraints may affect lead times. Ensure compatibility with your assembly process regarding the bulk packaging format and soldering profiles defined in the official documentation.

Selection Notes

Select this component when a fixed center frequency of 12.75 GHz with a 1000 MHz bandwidth is required. Ensure the design accommodates the 50 Ohm system impedance. Verify that the physical footprint matches the manufacturer's specified outline drawing for reliable surface mount attachment.

Part Context

This part belongs to the Knowles Dielectric Labs bandpass filter series, designed for high-frequency signal processing. It serves as a passive component for filtering unwanted frequencies in microwave circuits. The product line focuses on ceramic-based filters for robust RF performance.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source data. Consult the manufacturer for direct equivalents or cross-reference options based on specific electrical and mechanical constraints.