ALAN210001-3J61KT

Overview

The ALAN210001-3J61KT is a single-port LAN transformer module designed for 10/100/1000BASE-T Ethernet and Power over Ethernet Plus (PoE+) applications. It features dual 1CT:1CT winding configurations for transmitter and receiver paths with an inductance of 350 µH. The component supports a power rating of 30 W and operates within a temperature range of -40°C to 105°C. Physical dimensions are 18.3 mm in length, 12.4 mm in width, and 6.4 mm in height. Primary resistance is 1.2 Ohms, while secondary resistance is 1 Ohm. The device utilizes SMD/SMT termination and is supplied in reel packaging.

Feature Summary

• Supports 10/100/1000BASE-T data rates with integrated PoE+ capability
• Shielded construction minimizes electromagnetic interference
• Dual 1CT:1CT winding configuration ensures balanced signal transmission

Applications

• Gigabit Ethernet network interface cards
• PoE-powered endpoint devices
• Industrial networking equipment

Procurement Notes

Verify the specific suffix code against official Abracon documentation to confirm pinout compatibility and RoHS status. Ensure moisture sensitivity handling procedures are followed during assembly. Confirm that the selected variant matches the required inductance and current ratings for the target circuit design before finalizing procurement orders.

Selection Notes

Select this component when designing systems requiring integrated PoE+ support alongside standard Gigabit Ethernet connectivity. The compact surface-mount form factor suits space-constrained layouts. Verify thermal performance requirements against the specified operating temperature range and ensure impedance matching aligns with the system's transmission line characteristics.

Part Context

This part belongs to the ALAN210001 series of LAN transformers from Abracon. The series provides shielded pulse transformers for various Ethernet standards. Variants within the series differ by suffix codes indicating specific electrical tolerances, winding configurations, or compliance certifications. This model specifically addresses high-power Ethernet applications.

Replacement Considerations

Consult official cross-reference lists for direct substitutes. Ensure any replacement maintains identical 1CT:1CT topology, 350 µH inductance, and physical footprint. Verify that alternative components support the same 30 W power rating and Gigabit speed requirements without altering board layout constraints.