B040MB5S

Overview

The B040MB5S is a surface-mount bandpass filter manufactured by Knowles Dielectric Labs. It operates at a center frequency of 4 GHz with a bandwidth of 440 MHz. The component features an insertion loss of 2.75 dB and maintains a 50-ohm impedance. Designed for board mounting, it utilizes a 2-SMD, no-lead package configuration suitable for high-frequency signal conditioning applications.

Feature Summary

• Surface-mount construction for automated assembly
• Bandpass filtering capability centered at 4 GHz
• Standard 50-ohm system impedance compatibility

Applications

• RF signal conditioning circuits
• Wireless communication systems operating near 4 GHz
• Test and measurement instrumentation filters

Procurement Notes

Verify the specific suffix designation when ordering. The base part number B040MB5S may differ from tape-and-reel variants such as B040MB5S-T. Confirm the exact packaging type required for your manufacturing process against the manufacturer's current datasheet to ensure correct supply chain execution.

Selection Notes

Select this component for applications requiring precise bandpass characteristics around 4 GHz. Ensure the PCB layout accommodates the 2-SMD footprint dimensions. Validate that the 2.75 dB insertion loss meets the system link budget requirements before finalizing the design integration.

Part Context

This component belongs to the bandpass filter series produced by Knowles Dielectric Labs. These devices are engineered for RF signal integrity in compact electronic assemblies. The product line emphasizes stable performance across defined frequency bands for professional electronics.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Verify electrical compatibility with existing designs if considering alternative manufacturers.