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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：325µH
- ET (Volt-Time)：-
- Turns Ratio - Primary:Secondary：1CT:1CT Transmitter, 1CT:1CT Receiver
- Mounting Type：Surface Mount
- Size / Dimension：0.538" L x 0.726" W (13.67mm x 18.44mm)
- Height - Seated (Max)：0.231" (5.87mm)
- Operating Temperature：-40°C ~ 85°C
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Overview
The HX1294FNL is a LAN pulse transformer designed for 10/100 Base-T applications. It features a surface mount package with dimensions of 13.67mm length, 18.44mm width, and 5.87mm height. The component provides a turns ratio of 1CT:1CT for both transmitter and receiver circuits. Key electrical specifications include an inductance of 325µH and an isolation voltage of 1.5kVrms. It operates within a temperature range of -40°C to +85°C and complies with RoHS3 standards.
Feature Summary
- Supports 10/100 Base-T Ethernet transmission and reception
- Provides galvanic isolation between circuit sections
- Designed for surface mount technology integration
Applications
- Ethernet network interface cards
- LAN port signal conditioning
- Industrial communication modules
Procurement Notes
Verify the specific suffix 'FNL' against project requirements, as it denotes tube packaging distinct from the 'LT' variant which uses tape and reel. Confirm that the 325µH inductance value aligns with the target network standard specifications. Ensure the surface mount footprint matches the PCB layout constraints. Check for RoHS3 compliance documentation if required by environmental regulations. Validate the operating temperature range suitability for the intended deployment environment.
Selection Notes
Select this component when designing for standard 10/100 Mbps Ethernet connectivity requiring a compact surface mount solution. The 1CT:1CT configuration is suitable for direct coupling applications without additional impedance matching networks. Consider the physical dimensions for board space optimization. The wide operating temperature range supports diverse industrial and commercial environments. Ensure compatibility with existing transformer driver ICs.
Part Context
This part belongs to Pulse Electronics' LAN transformer portfolio, specifically engineered for high-speed data communication interfaces. It serves as a critical passive component in Ethernet PHY circuits, ensuring signal integrity and noise rejection. The product line emphasizes reliability and compliance with international telecommunications standards for network infrastructure equipment.
Replacement Considerations
The HX1294FNLT is a functional equivalent with identical electrical characteristics but utilizes tape and reel packaging instead of tubes. Verify that the change in packaging format does not impact automated assembly processes or storage requirements before substitution.
