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H1199NL
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Product Detailed Parameters
- Description：XFRMR MAGNETIC 1PORT 1:1 10/100
- Series：-
- Mfr：Pulse Electronics
- Package：Tube
- 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 0.280" 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 H1199NL is a surface-mount pulse transformer manufactured by Pulse Electronics, designed for 100BaseTX LAN applications. It features a single-channel configuration with a 350µH inductance and a primary impedance of 0.65 Ohms. The component utilizes a non-PoE architecture suitable for signal isolation and voltage transformation in communication equipment. It operates within a temperature range of -40°C to 85°C and complies with RoHS standards.
Feature Summary
- Provides electrical isolation and signal integrity for 100BaseTX Ethernet networks
- Supports non-Power over Ethernet (Non-PoE) transmission requirements
- Constructed with thermoset plastic header for mechanical stability
Applications
- 100BaseTX network interface cards
- Ethernet hub and switch ports
- Industrial communication devices requiring signal isolation
Procurement Notes
Verify the specific datasheet revision upon ordering, as Pulse Electronics has issued Product Change Notifications regarding header design modifications. Confirm that the supplied units match the required package specifications and that the component status remains active. Ensure compliance with current environmental regulations such as RoHS and REACH before integration into final assemblies.
Selection Notes
Select this component for designs requiring 100BaseTX compatibility without Power over Ethernet capabilities. The 350µH inductance value is critical for maintaining signal quality at standard Ethernet frequencies. Consider the operating temperature range when deploying in industrial environments. Verify board layout dimensions against the specified package size to ensure proper surface-mount placement.
Part Context
This part belongs to the Pulse Electronics LAN transformer family, specifically engineered for twisted-pair data transmission. It serves as a key isolation component between the MAC layer and the physical medium. The product line adheres to UL and IEC safety standards, ensuring reliable performance in regulated electronic systems across various commercial and industrial sectors.
Replacement Considerations
H1199FNLT is listed as a parameter-equivalent alternative. Note that the suffix 'F' may indicate differences in packaging or construction details compared to the standard NL variant. Verify functional equivalence and pinout compatibility before substitution.
