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Product Detailed Parameters
- Description：PULSE XFMR 1CT:1CT TX 1CT:1CT RX
- Series：-
- Mfr：Pulse Electronics
- Package：Bulk
- 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 HX1198FNL is a single-port LAN pulse transformer manufactured by 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 has an inductance of 350 µH and provides 1.5 kV isolation voltage. It supports a 1CT:1CT turns ratio for both transmitter and receiver circuits. The device functions reliably between -40°C and +85°C. Physical dimensions are 0.500 inches in length, 0.358 inches in width, and 0.236 inches in height.
Feature Summary
- Provides galvanic isolation for Ethernet data interfaces
- Supports 10/100 Base-T network standards
- Surface mount construction for automated assembly
Applications
- Ethernet port interface circuits
- Network interface cards
- Industrial communication modules
Procurement Notes
Verify the specific suffix 'FNL' against the manufacturer's current datasheet to confirm package type and tape/reel specifications. Ensure compatibility with existing PCB footprints, as dimension tolerances may vary between manufacturing revisions. Confirm RoHS3 compliance status for regulatory adherence in target markets.
Selection Notes
Select this component when designing non-PoE 10/100 Base-T systems requiring compact surface mount solutions. The 350 µH inductance value suits standard Ethernet impedance matching requirements. Consider the operating temperature range and isolation voltage ratings to ensure suitability for the intended environmental conditions and safety standards.
Part Context
This part belongs to the HX series of LAN transformers from Pulse Electronics. It is distinct from PoE-enabled variants, which typically include additional center taps or different winding configurations. The FNL suffix indicates a specific packaging format compared to other series members like HX1198NLT.
Replacement Considerations
HX1198FNLT is a related variant with identical electrical characteristics but potentially different packaging. Verify pinout compatibility and physical footprint dimensions before substitution. Cross-reference with official replacement lists for any discontinued components.
