HHM2919A2

RF Directional Couplers Overview

The HHM2919A2 is a multilayer RF directional coupler manufactured by TDK Corporation. It operates within the frequency range of 2.4GHz to 2.5GHz, making it suitable for wireless communication applications. The component features a coupling coefficient of 19.2dB, with an insertion loss of 0.28dB and isolation of 32dB. Return loss is specified at 18dB. It is housed in a compact 0402 (1005 Metric) surface-mount package. The device is RoHS compliant and has a Moisture Sensitivity Level (MSL) rating of 1.

RF Directional Couplers Feature Summary

• Multilayer construction for reliable RF signal coupling
• Compact 0402 surface-mount footprint for space-constrained designs
• Standard directional coupler topology for general purpose use

RF Directional Couplers Applications

• Wireless LAN modules
• Bluetooth low energy transceivers
• ISM band signal monitoring circuits

RF Directional Couplers Procurement Notes

Verify current availability status as this part may be discontinued or subject to end-of-life notices. Confirm that the 0402 package dimensions align with your PCB fabrication capabilities. Ensure that the 19.2dB coupling value meets your system's power monitoring requirements. Check for updated datasheets regarding any design changes or replacement recommendations from TDK.

RF Directional Couplers Selection Notes

Select this component when a precise 19.2dB coupling factor is required in the 2.4-2.5GHz band. The 0402 package size is critical for high-density board layouts. Consider the 0.28dB insertion loss impact on overall link budget. Verify compatibility with standard SMD reflow processes given the MSL 1 classification.

RF Directional Couplers Part Context

This component belongs to TDK's HHM series of passive RF components. It is designed for integration into modern wireless devices requiring compact form factors. The series supports various coupling values and frequencies tailored for industrial and consumer electronics markets.

RF Directional Couplers Replacement Considerations

TDK recommends the HHM2510B1 as a manufacturer-recommended substitute. Verify electrical parameter compatibility before substitution.