ALAN110001-4J11KT

Overview

The ALAN110001-4J11KT is a LAN signal transformer designed for 10/100/1000 Base-T applications. It features a 1CT:1CT turns ratio with primary and secondary resistances of 1 Ohm and 1.5 Ohms, respectively. The component has an inductance of 350 uH and operates within a temperature range of -40°C to +125°C. Dimensions are 19.8 mm x 16.6 mm x 2.5 mm. It supports SMD/SMT termination and includes shielding.

Feature Summary

• Supports 10/100/1000 Base-T Ethernet standards
• Integrated shielding for noise reduction
• Surface mount construction for automated assembly

Applications

• Ethernet port interface circuits
• PoE enabled network devices
• Industrial communication modules

Procurement Notes

Verify the specific suffix (4J11KT) against official Abracon documentation to confirm exact electrical tolerances and packaging configuration. Ensure the selected variant matches the required PCB footprint and thermal specifications for the target application environment before finalizing procurement orders.

Selection Notes

Select this component when designing Gigabit Ethernet interfaces requiring integrated magnetics. Consider the wide operating temperature range and compact surface-mount form factor for space-constrained or harsh-environment deployments. Verify compatibility with standard PHY transceiver pinouts.

Part Context

This part belongs to the ALANL10001 series of LAN transformers from Abracon. It serves as a critical isolation and impedance matching element in Ethernet physical layer designs, replacing discrete transformer components to simplify circuit board layout and improve signal integrity.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material.