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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：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 HX1198FNLT is a single-port LAN pulse transformer module from Pulse Electronics, designed for 10/100 Base-T applications. It features surface mount termination and operates within a frequency range of 1 MHz to 125 MHz. The component provides an inductance of 350 µH and supports a 1CT:1CT turns ratio for both transmitter and receiver circuits. It offers 1.5 kV isolation voltage and functions reliably between -40°C and +85°C. The unit measures 0.500 inches in length, 0.358 inches in width, and 0.236 inches in height.
Feature Summary
- Integrated magnetic solution for Ethernet signal coupling
- Surface mount construction for automated assembly
- High isolation voltage capability for circuit protection
Applications
- 100BaseTX network interface cards
- Ethernet switch ports
- Industrial communication modules
Procurement Notes
Verify the specific suffix FNLT against design requirements to ensure compatibility with non-PoE configurations. Confirm that the surface mount footprint matches the PCB layout dimensions of 12.70mm by 9.09mm. Check RoHS3 compliance status if required by environmental regulations. Ensure the operating temperature range meets the system's thermal constraints.
Selection Notes
Select this component for designs requiring a compact, single-port magnetic solution without Power over Ethernet support. The 350 µH inductance value is suitable for standard 10/100 Mbps data rates. Consider the unshielded nature of the module when planning PCB layout to manage electromagnetic interference. Verify that the 1.5 kV isolation rating satisfies the safety standards of the target application.
Part Context
This part belongs to the HX series of LAN transformers from Pulse Electronics. It serves as a specialized magnetic coupler for Ethernet interfaces. The module integrates primary and secondary windings into a single surface mount package. It replaces older through-hole or larger form-factor solutions in modern compact networking hardware.
Replacement Considerations
The HX1198NLT is a related variant but lacks the specific functional characteristics of the FNLT version. Verify pinout and electrical parameters before substitution. No direct public substitute part numbers are confirmed for this specific model.
