HMD8709D-20M4000

RF Directional Couplers Overview

The HMD8709D-20M4000 is a dual-band, dual-path RF directional coupler manufactured by Soshin Electric Co., Ltd. Designed for general-purpose applications, it operates within a frequency range of 3.3GHz to 5GHz. The component features a coupling factor of 20dB and supports a maximum power handling capacity of 10W. It exhibits an insertion loss of 0.07dB and a return loss of 24.6dB. The device is housed in an 0805 (2012 Metric) package with a six-pad configuration, suitable for surface-mount assembly.

RF Directional Couplers Feature Summary

• Dual-band and dual-path architecture for versatile signal monitoring
• High power handling capability up to 10W
• Low insertion loss ensuring minimal signal attenuation
• Compact 0805 surface-mount package design

RF Directional Couplers Applications

• Semiconductor manufacturing equipment
• Machine tools
• Medical devices

RF Directional Couplers Procurement Notes

Verify the specific part number suffix against official Soshin Electric documentation to ensure compatibility with required impedance and tolerance specifications. Confirm that the 0805 land pattern matches the target PCB layout. Cross-reference the active status and lead times through authorized distributors to avoid counterfeit components. Ensure storage conditions align with manufacturer guidelines for passive RF components.

RF Directional Couplers Selection Notes

Select this component when dual-path signal sampling is required within the 3.3GHz to 5GHz band. The 10W power rating suits moderate-power RF circuits. Consider the 0805 footprint for space-constrained designs. Evaluate the 20dB coupling factor against system noise floor requirements. Verify that the dual-band characteristic meets all operational frequency needs without additional filtering.

RF Directional Couplers Part Context

This directional coupler belongs to Soshin Electric's portfolio of RF passive components. The company targets industrial markets including photovoltaic systems and eco-friendly vehicles. The HMD8709D series provides reliable signal coupling for noise measurement and monitoring in high-reliability environments.

RF Directional Couplers Replacement Considerations

No public confirmed substitute part numbers are available in the provided documentation. Consult Soshin Electric directly for equivalent models or cross-reference technical parameters with other manufacturers offering dual-path couplers in the specified frequency range.