DBTC-12-4-75+

RF Directional Couplers Overview

The DBTC-12-4-75+ is a surface-mount directional coupler designed for CATV and broadband applications. It operates within a frequency range of 5 MHz to 1.2 GHz with a nominal coupling factor of 12 dB ± 0.5 dB. The component features a 75 Ω impedance and supports a maximum power handling capacity of 1 W. Packaged in a compact 5-SMD module, it utilizes SMD/SMT termination for board mounting. This device belongs to the DBTC series and is RoHS compliant, providing signal conditioning capabilities for RF systems requiring precise directional coupling.

RF Directional Couplers Feature Summary

• Provides stable directional coupling for RF signal monitoring and measurement
• Engineered for high-performance operation in 75 Ω CATV and broadband architectures
• Utilizes a compact surface-mount topology for efficient PCB integration

RF Directional Couplers Applications

• CATV system signal distribution and monitoring
• Broadband access network testing and production environments
• RF signal sampling for DOCSIS 3.1 and 4.0 system verification

RF Directional Couplers Procurement Notes

Verify the exact suffix designation against official Mini-Circuits documentation to ensure compatibility with specific impedance and tolerance requirements. Confirm that the 75 Ω specification aligns with your system architecture, as variations exist within the product family. Check current availability status through authorized distributors, as supply constraints may affect immediate procurement. Ensure compliance with RoHS directives if required by your manufacturing standards.

RF Directional Couplers Selection Notes

Select this component when a 12 dB coupling factor is required for 75 Ω systems operating up to 1.2 GHz. Consider the 1 W power rating to ensure safe operation within your signal levels. The surface-mount package facilitates automated assembly processes. Validate that the frequency response meets your specific bandwidth needs, as other models in the series offer different coupling values or frequency ranges.

RF Directional Couplers Part Context

This part belongs to the DBTC series from Mini-Circuits, which specializes in RF directional couplers for passive applications. The series is widely used in cable television and broadband infrastructure. Mini-Circuits manufactures these components in-house, leveraging extensive experience in RF and microwave design. The DBTC line focuses on providing reliable, cost-effective solutions for signal conditioning in high-volume production environments.

RF Directional Couplers Replacement Considerations

Consult Mini-Circuits official substitution guides for direct replacements. Verify that any alternative maintains the 12 dB coupling, 75 Ω impedance, and 5-1200 MHz frequency range. Ensure the replacement component matches the 5-SMD package dimensions for mechanical compatibility.