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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：1.110" L x 0.608" W (28.19mm x 15.44mm)
- Height - Seated (Max)：0.225" (5.72mm)
- Operating Temperature：-40°C ~ 85°C
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Overview
The HX1259FNL is a LAN transformer module from Pulse Electronics designed for 10/100 Base-T applications. It features a quad-channel configuration with a 1CT:1CT transmitter and 1CT:1CT receiver topology. The component provides an inductance of 350µH and supports an isolation voltage of 1.5 kV. It operates within a temperature range of -40°C to +85°C. The device utilizes a surface mount (SMD/SMT) termination style and has a maximum seated height of 0.225 inches (5.72mm).
Feature Summary
- Supports 10/100 Base-T Ethernet transmission standards.
- Integrates four independent channels for signal processing.
- Provides high-voltage isolation between circuits.
Applications
- Ethernet network interface cards
- LAN connectivity modules
- Network switch hardware
Procurement Notes
Verify the specific datasheet revision, as documentation labeled HX1260FNL may appear in search results. Confirm that the SMD package dimensions match the design footprint. Ensure the operating temperature range meets the environmental requirements of the target system. Check RoHS compliance status if restricted substances are a concern.
Selection Notes
Select this component when a quad-channel LAN transformer is required for 10/100 Mbps networks. The 1CT:1CT winding ratio suits standard differential signaling. Consider the 1.5 kV isolation rating for safety requirements. The surface mount format facilitates automated assembly processes.
Part Context
This part belongs to the Pulse Transformers category under audio and signal converters. It is distinct from general-purpose power transformers by its specific impedance and channel count tailored for data communication. The model number identifies the specific pinout and electrical characteristics within the manufacturer's LAN portfolio.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided source material. Cross-referencing requires consulting official distributor substitution tools or manufacturer compatibility lists to ensure electrical equivalence.
