HHM1711D1

Balun Overview

The TDK HHM1711D1 is a multilayer RF balun transformer designed for the 2.4GHz to 2.5GHz frequency range, specifically targeting W-LAN and Bluetooth applications. It features a 50-ohm unbalanced port and a 100-ohm balanced port. The component operates with a maximum insertion loss of 1.2dB and a minimum return loss of 10dB. Phase difference is maintained at 180° ±10°. Packaged in a compact 0603 (1608 Metric) surface-mount case, it supports RoHS3 compliance and MSL Level 1 moisture sensitivity.

Balun Feature Summary

• Multilayer construction optimized for high-frequency RF signal conversion
• Designed for integration into wireless LAN and Bluetooth modules
• Compact surface-mount footprint suitable for space-constrained PCB layouts

Balun Applications

• Wireless Local Area Network (W-LAN) transceivers
• Bluetooth module interfaces
• RF front-end circuitry requiring impedance transformation

Balun Procurement Notes

Verify component status as the manufacturer lists this part as discontinued. Confirm availability through authorized distributors or surplus channels. Ensure compatibility with existing design specifications before procurement, as end-of-life status may impact long-term supply chain stability for production runs.

Balun Selection Notes

Select this component when a 2.4GHz to 2.5GHz balun with 50/100 ohm impedance transformation is required in a 0603 package. Consider phase accuracy and insertion loss limits relative to system requirements. Evaluate alternative parts if continuous supply is critical due to discontinuation status.

Balun Part Context

Part of the TDK HHM series of multilayer balun transformers. Designed for RF applications operating in the 2.4GHz ISM band. Utilizes ceramic multilayer technology for stable performance in consumer electronics and wireless communication devices.

Balun Replacement Considerations

Publicly confirmed substitutes include TDK HHM1903A4 and Pulse Electronics BLN1608LL01R2400A. Verify electrical parameter alignment and pin compatibility before substitution.