SM42P01EL

Pulse Transformers Overview

The SM42P01EL is a surface mount LAN pulse transformer module manufactured by Bourns Inc. Designed for 1/2.5/5 GbE applications, it supports Power over Ethernet (PoE) functionality and complies with IEEE 802.3 standards. The component features an integrated common mode choke and operates within a temperature range of -40 °C to 85 °C. Key electrical specifications include a minimum inductance of 230 µH at 100 kHz and 0.1 V, along with insertion loss performance measured between 1-100 MHz.

Pulse Transformers Feature Summary

• Supports 1/2.5/5 GbE data rates with PoE capability
• Integrates common mode choke for noise suppression
• Halogen-free construction compliant with environmental standards

Pulse Transformers Applications

• IEEE 802.3 Ethernet network interfaces
• Power over Ethernet powered devices
• High-speed LAN connectivity modules

Pulse Transformers Procurement Notes

Verify the specific ordering suffix and package variant against the official Bourns datasheet to ensure compatibility with your design requirements. Confirm that the component meets all necessary regulatory certifications for your target market before finalizing procurement decisions.

Pulse Transformers Selection Notes

Select this component when designing systems requiring support for multiple Ethernet speeds including 2.5G and 5G Base-T. Ensure the PCB layout accommodates the surface mount footprint and thermal requirements for operation up to 85 °C while maintaining signal integrity for high-frequency data transmission.

Pulse Transformers Part Context

This part belongs to Bourns' line of chip LAN transformers, which are engineered for compact networking solutions. The series integrates magnetic components to facilitate reliable data transfer and power delivery in modern Ethernet infrastructure, replacing discrete transformer assemblies with a single surface-mount solution.

Pulse Transformers Replacement Considerations

Consult the official Bourns substitution guide for verified alternative part numbers. Do not assume cross-compatibility with other manufacturers' LAN transformers without verifying pinout, electrical parameters, and mechanical dimensions.