B121KB3S-T

Overview

The B121KB3S-T is a surface mount bandpass filter manufactured by Knowles Dielectric Labs. It operates at a center frequency of 12.0 GHz with a bandwidth of 120 MHz. The component features an insertion loss of 2.5 dB and utilizes a 3-SMD, no lead package configuration.

Feature Summary

• Surface mount construction for automated assembly
• Bandpass filtering capability at 12.0 GHz
• Compact 3-SMD no lead package design

Applications

• RF signal conditioning circuits
• Wireless communication systems
• Microwave instrumentation

Procurement Notes

Verify the specific suffix against official manufacturer documentation to confirm functional equivalence. Ensure the procurement channel provides valid traceability for this RF component. Confirm package compatibility with existing PCB footprints before ordering.

Selection Notes

Select this component for applications requiring precise bandpass filtering at 12.0 GHz. Evaluate the 120 MHz bandwidth against system requirements. Consider the 2.5 dB insertion loss impact on overall signal integrity within the RF chain.

Part Context

This part belongs to the Knowles Dielectric Labs bandpass filter series. It is designed for high-frequency signal processing applications. The product line focuses on compact, high-performance RF components for modern electronic systems.

Replacement Considerations

Check for B121KB3S as a potential variant. Verify electrical parameters and package dimensions match exactly before substitution.