ETH1-230LD

Overview

The ETH1-230LD is a high-power PoE+ and PoE++ signal path magnetic component manufactured by Coilcraft. It features a dual-channel configuration with an inductance of 350µH and an isolation voltage of 1.5 kV. Designed for surface mount technology, the device operates within a temperature range of -40°C to +85°C. The transformer utilizes ferrite core material and weighs 3.0 grams. It complies with IEEE 802.3at-2009 and IEEE 802.3.bt Type 3 standards, supporting two-pair cabling plants at 30W and 60W power levels.

Feature Summary

• Complies with IEEE 802.3at-2009 and IEEE 802.3.bt Type 3 standards for PoE+ and PoE++ applications
• Designed specifically for two-pair cabling plants operating at 30W and 60W power levels
• Surface mount construction utilizing ferrite core material for compact integration

Applications

• PoE+ powered devices requiring 30W support
• PoE++ Type 3 applications requiring 60W support
• Two-pair Ethernet cabling infrastructure systems

Procurement Notes

Verify that the specific part number matches the required IEEE standard compliance for your application. Confirm surface mount footprint compatibility with your PCB design. Ensure thermal management strategies align with the specified operating temperature range of -40°C to +85°C during system integration.

Selection Notes

Select this component when designing for two-pair cabling plants requiring high-power delivery up to 60W. Consider using two modules for four-pair cabling if higher channel count is needed. Evaluate alternative isolation transformers or common mode chokes from the same family for complementary circuit requirements.

Part Context

The ETH1-230LD belongs to the ETH1 series of high-power PoE magnetics developed by Coilcraft. This series addresses the evolving needs of IEEE 802.3bt Type 3 applications. The component serves as a critical interface between the PHY and the cabling plant, ensuring signal integrity and electrical isolation in modern network infrastructure.

Replacement Considerations

For higher power applications, consider the HPX2126L Isolation Transformer and HPF2187L Common Mode Choke.