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Product Detailed Parameters
- Description：PULSE XFMR 1CT:1 TX 1CT:1 RX
- Series：-
- Mfr：Pulse Electronics
- Package：Tape & Reel (TR),Cut Tape (CT)
- Transformer Type：LAN 10/100/1000 Base-T
- Inductance：350µH
- ET (Volt-Time)：-
- Turns Ratio - Primary:Secondary：1CT:1 Transmitter, 1CT:1 Receiver
- Mounting Type：Surface Mount
- Size / Dimension：0.780" L x 0.750" W (19.81mm x 19.05mm)
- Height - Seated (Max)：0.100" (2.54mm)
- Operating Temperature：-40°C ~ 85°C
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Overview
The HX5019FNLT is a LAN pulse transformer manufactured by Pulse Electronics, designed for 10/100/1000 Base-T applications. It features an inductance of 350µH and a turns ratio of 1CT:1 for both transmitter and receiver channels. The component utilizes surface mount technology with dimensions of 19.81mm length, 19.05mm width, and 2.54mm height. It operates within a temperature range of -40°C to +85°C and provides 1.5kV insulation voltage. The unit is RoHS compliant and classified as unshielded.
Feature Summary
- Supports 10/100/1000 Base-T Ethernet standards
- Integrated transmitter and receiver isolation
- Surface mount package for automated assembly
Applications
- Gigabit Ethernet network interface cards
- Ethernet switch port circuits
- Computer networking hardware
Procurement Notes
Verify the specific suffix 'FNLT' indicates tape and reel packaging, distinct from tube variants like HX5019FNL. Confirm RoHS3 compliance status through official documentation. Ensure the selected distributor sources directly from Pulse Electronics or authorized channels to guarantee authenticity and traceability for critical network infrastructure components.
Selection Notes
Select this component when designing 10/100/1000 Base-T interfaces requiring integrated signal isolation. The 350µH inductance value suits standard Ethernet PHY requirements. Consider the SMD footprint constraints during PCB layout. Verify thermal performance within the specified -40°C to +85°C operating range for industrial or commercial environments.
Part Context
This part belongs to the HX series of LAN transformers from Pulse Electronics. It serves as a signal coupling element in Ethernet physical layer circuits. The component replaces older through-hole designs with compact surface mount solutions. It supports high-speed data transmission while maintaining electrical isolation between network segments.
Replacement Considerations
HX5019FNL (Tube packaging variant)
FAQ
What is the turns ratio configuration?
The transformer has a 1CT:1 turns ratio for both the transmitter and receiver channels.
Is the component shielded?
No, the HX5019FNLT is specified as an unshielded transformer.
