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Product Detailed Parameters
- Description：XFRMR MAGNETIC 1PORT 1:1 10/100
- Series：-
- Mfr：Pulse Electronics
- Package：Tape & Reel (TR),Cut Tape (CT)
- Transformer Type：Isolation and Data Interface (Encapsulated)
- Inductance：-
- ET (Volt-Time)：-
- Turns Ratio - Primary:Secondary：1:1 Transmitter, 1:1 Receiver
- Mounting Type：Surface Mount
- Size / Dimension：0.500" L x 0.358" W (12.70mm x 9.09mm)
- Height - Seated (Max)：0.241" (6.12mm)
- Operating Temperature：-40°C ~ 85°C
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Overview
The HX1188FNLT is a single-port surface mount pulse transformer designed for 10/100Base-TX Ethernet applications. It features a non-PoE configuration with a 1:1 turns ratio for both transmitter and receiver paths. The component operates within a temperature range of -40°C to +85°C and includes an integrated common mode choke with an inductance of 350uH. It provides 1500 Vrms isolation voltage and complies with RoHS3 standards. The package dimensions are 12.70mm x 9.09mm x 6.12mm, suitable for automated SMD assembly.
Feature Summary
- Integrated magnetic solution combining pulse transformer and common mode choke
- Optimized for 10/100Base-TX data transmission interfaces
- Surface mount construction for high-volume manufacturing
Applications
- Ethernet network interface cards (NICs)
- Computer motherboard LAN ports
- Industrial communication modules
Procurement Notes
Verify the specific suffix 'FNLT' to ensure receipt of the tape-and-reel packaging variant rather than tube-packaged equivalents like HX1188NL or HX1188FNL. Confirm that the design requires a non-PoE specification, as this part lacks power delivery capabilities. Check datasheet revisions for any recent package dimension updates or material changes documented in product change notifications.
Selection Notes
Select this component when a compact, single-port magnetic solution is required for Gigabit or Fast Ethernet PHY connections without Power over Ethernet requirements. Ensure the PCB footprint matches the 12.70mm x 9.09mm outline. Consider thermal management capabilities within the -40°C to +85°C operating range for the target environment.
Part Context
This part belongs to Pulse Electronics' HX series of encapsulated magnetics. It serves as a specialized signal transformer module for local area network connectivity. The family includes variations with different packaging options and PoE capabilities, but this specific model targets standard data-only Ethernet links.
Replacement Considerations
HX1188NLT is a direct functional substitute with identical electrical characteristics but differs in packaging format. Verify mechanical fit if switching between reel and tube variants.
