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H1174FNL
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Product Detailed Parameters
- Description：PULSE XFMR 1CT:1CT TX 1CT:1CT RX
- Series：-
- Mfr：Pulse Electronics
- Package：Tray
- Transformer Type：LAN 10/100 Base-T
- Inductance：-
- ET (Volt-Time)：-
- Turns Ratio - Primary:Secondary：1CT:1CT Transmitter, 1CT:1CT Receiver
- Mounting Type：Surface Mount
- Size / Dimension：0.515" L x 0.574" W (13.08mm x 14.57mm)
- Height - Seated (Max)：0.145" (3.69mm)
- Operating Temperature：0°C ~ 70°C
- Grade：-
- Qualification：-
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Overview
The H1174FNL is a LAN pulse transformer manufactured by Pulse Electronics, designed for 10/100 Base-T applications. It features a surface mount package with dimensions of 13.08mm x 14.57mm and a maximum height of 3.69mm. The component utilizes a 1CT:1CT turns ratio for both transmitter and receiver channels. It operates within a temperature range of 0°C to 70°C and complies with RoHS3 standards.
Feature Summary
- Provides balanced impedance matching for bidirectional LAN signal transmission
- Features integrated transmitter and receiver channels with 1CT:1CT turns ratios
- Designed for surface mount installation in compact networking modules
Applications
- 10/100 Base-T Ethernet network interfaces
- LAN magnetics modules
- Network interface card (NIC) designs
Procurement Notes
Verify the specific packaging configuration required for your assembly process, as this component is available in tube packaging. Confirm that the operating temperature range of 0°C to 70°C aligns with your system's environmental specifications. Ensure compatibility with 10/100 Base-T standards rather than Gigabit Ethernet requirements when integrating this transformer into your circuit design.
Selection Notes
Select this component for standard 10/100 Base-T applications requiring non-PoE magnetics solutions. The surface mount form factor supports automated assembly processes. Verify that the physical footprint of 13.08mm x 14.57mm fits within your PCB layout constraints. This part is suitable for general-purpose LAN connectivity where high power over Ethernet is not required.
Part Context
This component belongs to Pulse Electronics' LAN transformer portfolio, specifically engineered for Ethernet connectivity. It serves as a critical isolation and impedance matching element in network hardware. The H1174 series is widely used in industrial and commercial networking equipment requiring reliable data transmission over twisted pair cables.
Replacement Considerations
The H1174NL is listed as an obsolete predecessor with similar specifications. The H1174FNLT variant offers the same electrical characteristics but in tape and reel packaging instead of tubes. Verify pinout compatibility before substituting these alternatives.
