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H1100NL
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Product Detailed Parameters
- Description：XFRMR MAGNETIC 1PORT 2:1 10/100
- Series：-
- Mfr：Pulse Electronics
- Package：Tube
- Transformer Type：Isolation and Data Interface (Encapsulated)
- Inductance：-
- ET (Volt-Time)：-
- Turns Ratio - Primary:Secondary：2:1 Transmitter, 1:1 Receiver
- Mounting Type：Surface Mount
- Size / Dimension：0.500" L x 0.280" W (12.70mm x 7.11mm)
- Height - Seated (Max)：0.245" (6.22mm)
- Operating Temperature：0°C ~ 70°C
- Grade：-
- Qualification：-
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Overview
The H1100NL is a surface-mount LAN transformer module manufactured by Pulse Electronics, designed for 100Base-TX applications. It features a single-channel configuration with SMD/SMT termination and operates within a temperature range of 0°C to +70°C. The component measures 12.7 mm in length, 9.53 mm in width, and 6.09 mm in height. Key electrical specifications include an inductance of 350 uH, a maximum DC resistance of 0.65 Ohms, and an insulation voltage of 1.5 kV. It is supplied in tube packaging.
Feature Summary
- Provides galvanic isolation for data interfaces using encapsulated magnetic technology
- Optimized specifically for 100Base-TX Ethernet signal transmission
- Supports non-PoE network environments with integrated common mode filtering
Applications
- 100Base-TX Ethernet network interface circuits
- Industrial control systems requiring isolated data links
- Consumer electronics with standard Ethernet connectivity
Procurement Notes
Verify the specific revision status against the manufacturer's latest documentation before integration. Confirm that the 12.7 x 9.53 mm footprint matches the design layout. Ensure the operating temperature range of 0°C to +70°C meets system requirements. Check RoHS compliance declarations for regulatory adherence.
Selection Notes
Select this component when designing for 100 Mbps Ethernet speeds without Power over Ethernet requirements. The single-port architecture simplifies board space compared to multi-port solutions. Consider the unshielded nature if EMI constraints are manageable. Verify compatibility with the target PHY controller's impedance matching needs.
Part Context
This part belongs to Pulse Electronics' portfolio of audio and signal transformers. It serves as a critical interface component between the Ethernet MAC/PHY and the physical medium. The module integrates magnetics to ensure signal integrity and safety isolation in compact form factors suitable for modern electronic assemblies.
Replacement Considerations
Direct substitutes may include other 100BaseTX single-port LAN transformers from Pulse or competitors like Belden or TDK. Ensure replacement parts match the 350 uH inductance and 0.65 Ohm DCR specifications. Verify pinout compatibility and mechanical dimensions to avoid PCB redesign.
