B381KD0S-T

Overview

The B381KD0S-T is a surface mount bandpass filter manufactured by Knowles Dielectric Labs, designed for signal conditioning applications. It operates at a center frequency of 38.1 GHz with a bandwidth of 1 GHz and an insertion loss of 2.5 dB. The component features a 50 Ohm impedance and utilizes SMD/SMT termination types. It is packaged in a reel format suitable for automated assembly processes.

Feature Summary

• Surface mount construction for board integration
• Bandpass filtering capability at millimeter-wave frequencies
• Designed for high-frequency signal conditioning

Applications

• RF communication systems
• Wireless infrastructure components
• Millimeter-wave circuit design

Procurement Notes

Verify the specific datasheet version and mechanical dimensions prior to procurement. Confirm that the reel packaging aligns with your automated placement equipment specifications. Ensure the operating temperature range meets your system requirements. Cross-reference the manufacturer part number with official distributor catalogs to confirm availability and authenticity before finalizing orders.

Selection Notes

Select this component when a fixed center frequency of 38.1 GHz is required for bandpass filtering. Consider the 1 GHz bandwidth and 2.5 dB insertion loss against system link budget constraints. Evaluate the surface mount package type for compatibility with your PCB layout and assembly capabilities compared to through-hole alternatives.

Part Context

This component belongs to the bandpass filter series from Knowles Dielectric Labs, targeting high-frequency RF applications. It is part of a family of surface mount filters designed for millimeter-wave spectrum usage. The product is distinct from capacitors or other passive components offered by the manufacturer.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Verify electrical parameters such as center frequency, bandwidth, and insertion loss when evaluating potential alternative components from other manufacturers.