H1053

Overview

The H1053 is a LAN transformer module manufactured by Pulse Electronics, designed for surface mount applications. It supports 10/100Base-TX Ethernet standards and features a quad-port configuration. The component operates within a frequency range of 100 kHz to 100 MHz and provides an isolation voltage of 1.5 kV. Its physical dimensions are 28.58 mm in length, 12.19 mm in width, and it utilizes a pin termination style.

Feature Summary

• Supports 10/100Base-TX Ethernet data transmission standards
• Integrates four isolated ports for multi-device connectivity
• Provides high-voltage isolation between circuits
• Designed for direct surface mount PCB integration

Applications

• Ethernet network interface cards
• Computer motherboards with integrated LAN capabilities
• Network switches and hubs
• Industrial communication modules requiring 10/100 Mbps connectivity

Procurement Notes

Verify the current operational status of this component before procurement, as official distributor records indicate it may be obsolete. Confirm compatibility with target board layouts due to specific pin configurations and dimensional constraints. Ensure that alternative sources provide genuine parts from Pulse Electronics or authorized Technitrol channels to maintain signal integrity and isolation specifications.

Selection Notes

Select this module when a compact, quad-port solution is required for 10/100Base-TX networks. It is suitable for designs prioritizing space efficiency through surface mount technology. Consider the 1.5 kV isolation rating for safety requirements. Evaluate mechanical fit against the 28.58 x 12.19 mm footprint constraint during the initial schematic capture phase.

Part Context

This component belongs to the family of LAN transformers produced by Pulse Electronics, formerly associated with Technitrol. These modules are engineered to meet IEEE 802.3 standards for twisted-pair cabling. The product line focuses on providing integrated magnetic solutions for Ethernet connectivity in consumer and industrial electronics.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Due to the potentially obsolete status, engineers should consult manufacturer archives for direct replacements or design around compatible quad-port LAN transformers with matching electrical and mechanical specifications.