B142LA2S

Overview

The B142LA2S is a surface-mount bandpass filter manufactured by Knowles Dielectric Labs, designed for signal conditioning applications. It operates at a center frequency of 14.2 GHz with a bandwidth of 4500 MHz. The component features a 50 Ohm impedance and utilizes SMD/SMT termination types for board mounting. It is classified under the Bandpass series within the Signal Conditioning product category.

Feature Summary

• Surface-mount construction for automated assembly integration
• Bandpass filtering capability centered at 14.2 GHz
• Designed for Ku-band satellite communication systems

Applications

• Ku-band satellite communications
• RF signal conditioning circuits
• Microwave system filtering

Procurement Notes

Verify the specific datasheet version and RoHS compliance status directly with the manufacturer or authorized distributors before procurement. Confirm that the package type and termination specifications match the target PCB design requirements to ensure proper integration and performance in high-frequency applications.

Selection Notes

Select this component when a fixed center frequency of 14.2 GHz and a 4500 MHz bandwidth are required for Ku-band applications. Ensure the design accommodates the surface-mount form factor and 50 Ohm system impedance. Validate thermal and mechanical constraints against the official mechanical drawing provided in the product documentation.

Part Context

This part belongs to the Knowles Dielectric Labs microwave product line, specifically targeting RF filter solutions. It is categorized as a ceramic bandpass filter intended for high-frequency signal processing. The component supports standard surface-mount technology, aligning with modern electronics manufacturing practices for compact RF modules.

Replacement Considerations

No public substitute part numbers are confirmed for this specific model. Evaluate alternative filters only if they precisely match the 14.2 GHz center frequency, 4500 MHz bandwidth, and 50 Ohm impedance specifications while maintaining compatible physical dimensions.