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Product Detailed Parameters
- Description：PULSE XFMR 1CT:1CT TX 1CT:1CT RX
- Series：-
- Mfr：Pulse Electronics
- Package：Tube
- Transformer Type：LAN 10/100 Base-T
- Inductance：350µH
- ET (Volt-Time)：-
- Turns Ratio - Primary:Secondary：1CT:1CT Transmitter, 1CT:1CT Receiver
- Mounting Type：Surface Mount
- Size / Dimension：0.500" L x 0.358" W (12.70mm x 9.09mm)
- Height - Seated (Max)：0.236" (5.99mm)
- Operating Temperature：-40°C ~ 85°C
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Overview
The HX2019FNL is a surface mount LAN pulse transformer manufactured by Pulse Electronics, designed for 10/100 Base-T Ethernet applications. It features a 1CT:1CT turns ratio for both transmitter and receiver channels with an inductance of 350µH. The component supports Power over Ethernet (PoE) and operates within a temperature range of -40°C to 85°C. It provides 1500V isolation voltage and measures 12.70mm x 9.09mm x 5.99mm.
Feature Summary
- Supports 10/100 Base-T Ethernet transmission standards
- Integrated PoE capability for simultaneous power and data delivery
- Surface mount construction for automated assembly
Applications
- Ethernet network interface cards
- Network switches and hubs
- Industrial communication modules
Procurement Notes
Verify the specific suffix against official documentation, as variations such as FNLT indicate reel packaging configurations. Confirm RoHS compliance status and lead times directly with the manufacturer or authorized distributors prior to ordering. Ensure the selected variant matches the required termination style and package dimensions for the target PCB layout.
Selection Notes
Select this component for designs requiring integrated magnetics for 10/100 Mbps Ethernet links with PoE support. Verify that the 350µH inductance and 1500V isolation meet the system's electrical requirements. Consider the SMT footprint dimensions when finalizing the board layout to ensure adequate clearance and mechanical stability.
Part Context
This part belongs to the Pulse Electronics LAN transformer family, specifically engineered for high-density networking equipment. It replaces older through-hole or larger surface mount solutions by integrating primary and secondary windings into a compact SMT package suitable for modern manufacturing processes.
Replacement Considerations
Consult official Pulse Electronics documentation for qualified substitutes. Generic equivalents may not match the specific PoE integration or impedance characteristics required for certified Ethernet performance.
