H2017NLT

Overview

The H2017NLT is a magnetics module manufactured by Pulse Electronics, designed for 10/100 Mbps Ethernet applications. It features four ports and supports Power over Ethernet (PoE) functionality. The component utilizes a surface-mount device (SMD) package with gull-wing termination style for PCB integration. Key electrical specifications include a primary DC resistance of 3.5 Ohms and a 1:1 transformer turns ratio. The module provides isolation and signal coupling necessary for reliable network connectivity in high-density electronic designs.

Feature Summary

• Supports Power over Ethernet (PoE) power delivery alongside data transmission
• Provides integrated magnetics for four independent Ethernet ports
• Utilizes gull-wing surface mount termination for automated assembly

Applications

• Ethernet switch modules requiring PoE support
• Network interface cards for industrial control systems
• VoIP telephony equipment with integrated power sourcing
• Access point hardware for wireless networking infrastructure

Procurement Notes

Verify RoHS compliance status through official manufacturer documentation prior to procurement. Confirm that the specific revision level matches the design requirements for electromagnetic compatibility. Ensure storage conditions adhere to moisture sensitivity guidelines to prevent soldering defects during reflow processes. Cross-reference the datasheet for any recent product change notifications affecting pinout or material composition.

Selection Notes

Select this component when designing circuits requiring integrated magnetics for multiple Ethernet interfaces with PoE capabilities. The 1:1 turns ratio and 3.5 Ohm primary resistance are critical parameters for impedance matching. Consider the physical dimensions and gull-wing footprint for PCB layout constraints. Evaluate thermal performance characteristics if the application involves continuous high-power PoE loads.

Part Context

This part belongs to the family of network transformers produced by Pulse Electronics. It serves as a passive component within the signal chain of Ethernet controllers. The module replaces discrete transformer components, reducing board space and simplifying assembly. It is commonly used in conjunction with PHY transceivers to ensure signal integrity across twisted-pair cabling.

Replacement Considerations

Check for direct substitutes from Pulse Electronics with identical pinouts and electrical ratings. Verify compatibility with existing PCB footprints before substituting. Ensure alternative parts maintain PoE certification and 10/100 Mbps speed support. Consult official replacement guides for cross-referenced part numbers.