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Product Detailed Parameters
- Description：PULSE XFMR 1CT:1CT TX 1CT:1CT RX
- Series：-
- Mfr：Pulse Electronics
- Package：Tape & Reel (TR),Cut Tape (CT)
- 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：1.125" L x 0.480" W (28.58mm x 12.19mm)
- Height - Seated (Max)：0.230" (5.84mm)
- Operating Temperature：-40°C ~ 85°C
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Overview
The HX1234T is a LAN 10/100 Base-T pulse transformer manufactured by Pulse Electronics. It features a surface mount package with dimensions of 28.58mm length, 12.19mm width, and a maximum height of 5.84mm. The component operates within a temperature range of -40°C to 85°C. It has a turns ratio of 1CT:1CT for both the transmitter and receiver sections. The device is classified as non-POE compatible and utilizes a gull wing SMD termination style.
Feature Summary
- Designed for 10/100 Base-T LAN applications
- Surface mount construction with gull wing terminals
- Integrated transmitter and receiver isolation
Applications
- Ethernet network interface circuits
- LAN port signal conditioning
- Telecommunications equipment
Procurement Notes
Verify component status carefully as this part is officially listed as obsolete. Confirm availability through authorized distributors only, noting that stock may be limited or exhausted. Ensure compatibility with existing PCB layouts due to specific footprint requirements. Check for RoHS compliance status if required by current manufacturing standards.
Selection Notes
Select this component specifically for legacy 10/100 Base-T designs requiring integrated pulse transformation. Consider the physical dimensions and mounting type during layout planning. Evaluate thermal performance within the specified operating range. Assess supply chain stability given the obsolete status before finalizing design choices.
Part Context
This component belongs to the Pulse Electronics LAN transformer family, designed for Ethernet connectivity. It serves as a critical interface element between the PHY chip and the magnetics module. The product line supports standard networking protocols, ensuring signal integrity in data transmission paths.
Replacement Considerations
Public confirmed substitute part numbers are not available in the provided documentation. Due to the obsolete status, alternative components must be sourced based on electrical equivalence and mechanical fit rather than direct manufacturer substitution lists.
