B119LB1S

Overview

The B119LB1S is a surface-mount bandpass filter manufactured by Knowles Dielectric Labs. It operates at a center frequency of 11.9 GHz with a bandwidth of 500 MHz. The component features an insertion loss of 3 dB and maintains a system impedance of 50 Ohms. Designed for RF applications, it supports a wide operating temperature range from -55°C to +125°C. The device utilizes a 3-SMD, no-lead package configuration suitable for board mounting.

Feature Summary

• Provides precise signal conditioning within the specified microwave frequency range
• Utilizes surface-mount technology for compact integration into circuit boards
• Maintains stable performance across extended industrial temperature ranges

Applications

• Radio Frequency (RF) filtering systems
• Microwave communication equipment
• Signal conditioning circuits

Procurement Notes

Verify the specific datasheet version and environmental compliance status, such as RoHS3 and REACH, prior to procurement. Confirm that the 3-SMD no-lead package aligns with your PCB footprint requirements. Ensure the operating temperature specifications meet your application's thermal constraints. Cross-reference the manufacturer part number with authorized distributors to guarantee authenticity and traceability.

Selection Notes

Select this component when a 11.9 GHz center frequency and 500 MHz bandwidth are required. The 3 dB insertion loss specification suits applications where moderate signal attenuation is acceptable. Consider the 50 Ohm impedance match for compatibility with standard RF transmission lines. Evaluate the surface-mount form factor against available board space constraints.

Part Context

This component belongs to the bandpass filter series produced by Knowles Dielectric Labs. It is categorized under signal conditioning products designed for high-frequency operations. The product line focuses on providing reliable RF filtering solutions for specialized electronic systems requiring precise frequency selection.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.