DBTC-20-4+

RF Directional Couplers Overview

The Mini-Circuits DBTC-20-4+ is a surface-mount RF directional coupler designed for cellular applications. It operates within a frequency range of 20 MHz to 1 GHz. The component features a standard coupling factor of 20.4 ± 0.5 dB and supports a maximum power handling capacity of 1 W. It utilizes a 5-SMD module package configuration. The device exhibits a maximum insertion loss of 1.5 dB. Physical dimensions include a footprint of 0.150 x 0.150 inches with a height of 0.150 inches, classified under the Micro-Miniature case AT790-1.

RF Directional Couplers Feature Summary

• Provides precise signal sampling via standard directional coupling architecture
• Engineered for high-power handling up to 1 watt in compact form factors
• Optimized for cellular frequency bands between 20 MHz and 1 GHz

RF Directional Couplers Applications

• Cellular base station signal monitoring
• RF power measurement systems
• Transmitter output monitoring

RF Directional Couplers Procurement Notes

Verify the specific ordering suffix against official Mini-Circuits documentation to ensure correct termination and packaging specifications. Confirm RoHS compliance status and lead-free characteristics match project requirements. Cross-reference the exact part number with current distributor availability lists to validate active status and prevent procurement errors due to obsolete or variant designations.

RF Directional Couplers Selection Notes

Select this component when a 20 dB coupling factor is required for frequencies extending up to 1 GHz. Ensure the application environment accommodates the specified 1 W power limit without exceeding thermal constraints. Verify that the 5-SMD surface mount package aligns with the PCB layout capabilities and assembly processes available for the target manufacturing line.

RF Directional Couplers Part Context

This model belongs to the DBTC series of micro-miniature directional couplers from Mini-Circuits. These components are engineered for robust performance in demanding RF environments. The series emphasizes small physical footprints while maintaining stable electrical characteristics across wide bandwidths, suitable for integration into modern wireless communication infrastructure.

RF Directional Couplers Replacement Considerations

Consult Mini-Circuits official substitution guides for compatible alternatives. No public confirmed substitute part numbers are identified in the provided source material.