B138LA2S

Overview

The B138LA2S is a surface-mount bandpass filter manufactured by Knowles Dielectric Labs. It operates at a center frequency of 13.75 GHz with a bandwidth of 500 MHz. The component features a 50 Ohm impedance and is designed for signal conditioning applications. It utilizes a compact surface-mount package suitable for automated assembly processes in high-frequency electronic circuits.

Feature Summary

• Provides precise bandpass filtering centered at 13.75 GHz
• Maintains 50 Ohm system impedance for standard RF integration
• Engineered for surface-mount technology (SMT) board mounting

Applications

• Wireless communication infrastructure systems
• Satellite navigation receiver front-ends
• High-frequency radar signal processing modules

Procurement Notes

Verify the specific datasheet revision to confirm mechanical dimensions and electrical tolerances before finalizing the design. Ensure that the PCB footprint matches the manufacturer's recommended land pattern to guarantee reliable soldering and signal integrity during operation.

Selection Notes

Select this component when a fixed center frequency of 13.75 GHz is required. Consider the physical size constraints of the SMT package against available board space. Evaluate insertion loss specifications if signal attenuation limits are critical for the specific application chain.

Part Context

This part belongs to the DLI Bandpass Filter series, which specializes in microwave and millimeter-wave signal conditioning components. These filters are widely utilized in aerospace, defense, and commercial wireless sectors requiring stable performance across varying environmental conditions.

Replacement Considerations

Check for direct cross-reference availability from other authorized distributors. Verify that any substitute maintains identical center frequency, bandwidth, and impedance characteristics to ensure circuit compatibility without redesign.