B138MB1S

Overview

The B138MB1S is a surface-mount bandpass filter manufactured by Knowles Dielectric Labs, designed for signal conditioning applications in the radio frequency spectrum. It operates at a center frequency of 13.75 GHz with a bandwidth of 1.0 GHz and an insertion loss of 3 dB. The component features a 50 Ohm impedance and utilizes SMD/SMT termination types for board mounting. It is rated for operation within a temperature range of -55°C to +125°C.

Feature Summary

• Provides precise signal filtering within the Ka-band frequency range
• Utilizes surface-mount technology for compact circuit integration
• Maintains stable performance across extended industrial temperature ranges

Applications

• Wireless communication systems requiring Ka-band signal processing
• Satellite communication equipment
• Point-to-point microwave links

Procurement Notes

Verify the specific datasheet version for the B138MB1S to confirm exact dimensional tolerances and pin configurations before finalizing design integration. Ensure that the procurement source provides authentic components from Knowles Dielectric Labs to guarantee specified RF performance characteristics and reliability standards are met.

Selection Notes

Select this component when a fixed center frequency of 13.75 GHz is required for high-frequency signal routing. Consider the 1.0 GHz bandwidth relative to system requirements. Evaluate the SMD package compatibility with existing PCB footprints and ensure thermal management strategies align with the specified operating temperature limits.

Part Context

This part belongs to the Knowles Dielectric Labs bandpass filter series, which offers various center frequencies and bandwidths for RF applications. It is categorized under signal conditioning components used to isolate specific frequency bands while attenuating out-of-band signals in electronic circuits.

Replacement Considerations

Consult official manufacturer documentation for verified substitute part numbers. Cross-referencing with other models in the same series may provide alternatives with adjusted frequency or bandwidth specifications.