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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 HX1260FNL is a single-port LAN pulse transformer module manufactured by Pulse Electronics, designed for 10/100 Base-T applications. It features an inductance of 350µH and supports a frequency range from 100 kHz to 100 MHz. The component provides 1.5 kV isolation voltage and operates within a temperature range of -40°C to +85°C. Physical dimensions are 12.7 mm in length, 9.09 mm in width, and 5.99 mm in height. It utilizes surface mount technology (SMD) and is supplied in tube packaging.
Feature Summary
- Provides electrical circuit isolation compliant with IEEE 802.3 standards for signal integrity
- Optimized for use with major LAN transceivers in 10/100 Base-T networks
- Features unshielded construction with a peak reflow temperature rating of +245°C
Applications
- 100 Base-TX network interfaces
- LAN transceiver modules
- Ethernet signal transmission circuits
Procurement Notes
Verify the specific suffix 'FNL' corresponds to tube packaging rather than tape and reel variants like 'FNLT'. Confirm RoHS compliance status through official documentation as required by project specifications. Ensure the operating temperature range of -40°C to +85°C meets environmental requirements. Check for end-of-life or not recommended for new design (NRND) status if applicable to long-term production plans.
Selection Notes
Select this component for single-port Ethernet applications requiring 1:1 turns ratio for both transmitter and receiver paths. Consider the SMT package size of 12.7 x 9.09 mm for board space constraints. Verify compatibility with the target transceiver's impedance requirements, typically around 1Ω. Ensure the 1.5 kV isolation voltage is sufficient for the intended safety standards.
Part Context
This part belongs to the HX series of LAN discrete transformer modules from Pulse Electronics. These modules are engineered to maintain signal integrity while providing necessary galvanic isolation for Ethernet communications. The series includes various packaging options such as tubes and reels to accommodate different assembly processes.
Replacement Considerations
HX1260FNLT is a direct substitute with identical electrical characteristics but differs in packaging format, utilizing tape and reel instead of tubes.
