WE 000-7315-37R-LF1 Compatible LINK-PP LP1198NL 10/100 Base-T Single Port SMD 16PIN Lan Magnetics

WE 000-7315-37R-LF1 Compatible Single-Port 10/100BASE-T Discrete LAN Transformer for Non-PoE Applications

The LINK-PP LP1198NL is a single-port discrete 10/100BASE-T Fast Ethernet LAN transformer module specified for non-PoE network hardware. For hardware engineers, it provides an internal 4-core magnetic structure, a 1CT:1CT turns ratio (T, C, S configuration), AutoMDX support, and physical-layer electrical isolation within a defined 16-pin surface-mount package. For OEM and procurement teams, the LP1198NL provides an alternative sourcing option for designs requiring discrete magnetic isolation, standard Tape & Reel packaging, and multi-vendor component qualification.

Featuring an open-frame construction, a 6.20 mm package height, and an extended industrial operating temperature range of -40°C to +85°C, the module is suited for industrial I/O controllers, embedded mainboards, industrial PCs, automation systems, and fieldbus hardware. Engineering and procurement teams should verify the mechanical drawing, pin assignment, PCB land pattern, and selected PHY documentation before production release.

WE 000-7315-37R-LF1 Compatible Design Positioning

The LP1198NL is positioned as a compatible alternative to the WE 000-7315-37R-LF1 for 10/100BASE-T Fast Ethernet applications, providing hardware engineering and procurement teams with a potential second-source option for designs requiring comparable package dimensions, pinout footprints, and electrical interface characteristics.

To ensure proper integration on existing or new motherboard designs, engineering teams should cross-reference the mechanical drawing, pin assignment, solder pad geometry, and electrical characteristics against original design requirements prior to volume release.

10/100BASE-T Signal Transmission and 4-Core Magnetics Architecture

Fast Ethernet (100BASE-TX) communication utilizes two differential pairs: one dedicated to transmit (TX) and one to receive (RX). The LP1198NL incorporates an internal 4-core magnetic structure with a 1CT:1CT turns ratio and T, C, S configuration to support physical-layer signal coupling across the extended -40°C to +85°C industrial operating temperature range.

Because the module is engineered specifically for non-PoE architectures, the internal magnetic layout is dedicated to differential data transmission without allocating space or thermal margins to high-current DC power paths.

Hardware designers should evaluate the component in conjunction with the host Fast Ethernet PHY transceiver, controlled-impedance differential PCB trace routing, transient protection circuitry, and system-level EMC grounding.

Mechanical and PCB Surface-Mount Considerations

Physical mounting and board layout are critical factors when implementing discrete surface-mount LAN magnetics:

1. 16-Pin Open-Frame Package

The open-frame construction provides a vertical height of 6.20 mm (0.244 inches) with a compact board footprint of 12.70 mm by 9.30 mm. This form factor suits high-density assemblies and space-constrained communication boards.

2. Tape & Reel Packaging for SMT Assembly

Supplied in Tape & Reel format, the LP1198NL is engineered for automated pick-and-place equipment and standard surface-mount assembly workflows.

3. PCB Land Pattern and Pinout Verification

The module incorporates a 16-pin SMD footprint. Because pin arrangements and internal schematic connections can differ between manufacturers, engineers should confirm the land pattern, pin pitch, and schematic against official product drawings prior to finalizing board artwork.

Discrete Transformer vs. Integrated MagJack Solutions

Selecting between a discrete LAN transformer and an integrated MagJack involves several hardware design trade-offs:

• Layout and Placement Flexibility: Discrete transformers allow engineers to place the magnetics independently on the PCB, optimizing the physical separation between the host PHY and the board edge.
• Connector Selection Freedom: A discrete transformer architecture allows the design to be paired with separate RJ45 connectors, including standard right-angle jacks, vertical top-entry connectors, multi-port ganged arrays, or specialized enclosure-specific interfaces.
• Thermal Separation: Separating the transformer from the physical I/O connector helps distribute heat dissipation across the board rather than concentrating thermal load at the front-panel connector cavity.

Architecture Comparison: Discrete Fast Ethernet Transformer vs. Alternative Implementations

Application Considerations for LP1198NL

Engineering Verification Checklist

Before releasing a PCB layout or finalizing a bill of materials (BOM) using the LP1198NL, hardware engineers should confirm the following design parameters against the official datasheet:

• Package Dimensions & Vertical Clearance: Verify the 6.20 mm height, 12.70 mm length, and 9.30 mm width against enclosure or card envelope limits.
• Pinout and Schematic Alignment: Verify the 16-pin terminal numbering, center-tap connections, and differential-pair assignments against the official product drawing and selected PHY reference design.
• PCB Land Pattern: Check pad dimensions, pitch, and solder mask clearances on the manufacturer's recommended footprint.
• PHY Interface Matching: Ensure controlled-impedance differential trace routing and AutoMDX compatibility with the selected Fast Ethernet PHY.
• Thermal Operating Environment: Confirm that the component operating environment remains within the specified -40°C to +85°C industrial temperature range.
• SMT Process Compatibility: Verify Tape & Reel feeder setup and SMT placement parameters for the open-frame package.