H1019NL

Overview

The H1019NL is an unshielded LAN transformer module manufactured by Pulse Electronics, designed for surface-mount applications. It supports 10/100Base-T Ethernet standards with a single channel configuration. The component features a primary and secondary impedance of 1 ohm each and operates within a frequency range of 1 MHz to 100 MHz. Key electrical specifications include an inductance of 350 uH and an insulation voltage rating of 1.5 kV. It is rated for operation between 0°C and +70°C. Physical dimensions are 25.4 mm in length, 12.83 mm in width, and 6.22 mm in height.

Feature Summary

• Supports 10/100Base-T network transmission standards
• Single-port surface-mount module design
• Unshielded construction for signal transformers

Applications

• 10/100Base-T Ethernet interface circuits
• Network interface card (NIC) implementations
• Ethernet switch port isolation

Procurement Notes

Verify the specific manufacturer part number against official Pulse Electronics documentation to ensure accuracy. Confirm that the required operating temperature range of 0°C to +70°C aligns with your system's thermal environment. Check for RoHS compliance status as indicated in current datasheets. Ensure the surface-mount package dimensions fit your PCB layout constraints before finalizing procurement decisions.

Selection Notes

Select this component when designing for 10/100Base-T applications requiring a single-channel solution. The unshielded design may require careful PCB layout to manage electromagnetic interference. Verify compatibility with the intended transceiver ICs, such as those from Broadcom or Intel, as referenced in related series documentation. Ensure the 1.5 kV insulation voltage meets the safety requirements of the target application.

Part Context

The H1019NL belongs to the H1019 series of LAN transformers from Pulse Electronics. This series includes various configurations for different Ethernet speeds and port counts. The H1019NL specifically targets 10/100Base-T applications with a single port. It is part of a broader family of signal transformers used in networking equipment to provide galvanic isolation and impedance matching.

FAQ

What is the insulation voltage rating for the H1019NL?

The H1019NL has an insulation voltage rating of 1.5 kV.

Is the H1019NL shielded?

No, the H1019NL is an unshielded audio/signal transformer module.