SM91072AL-E

Pulse Transformers Overview

The SM91072AL-E is a dual-channel LAN pulse transformer designed for 10/100 Base-T applications. It features an inductance of 350 µH and operates within a frequency range of 1 MHz to 100 MHz. The component supports surface mount installation with dimensions of 12.8 mm x 6.9 mm x 5.65 mm. It is qualified under AEC-Q200 standards for automotive use, ensuring reliability across a wide operating temperature range from -40°C to +125°C.

Pulse Transformers Feature Summary

• AEC-Q200 qualified for automotive grade reliability
• Integrated common mode choke on chip side
• Dual channel design for 10/100 Base-T networks

Pulse Transformers Applications

• Automotive Ethernet systems
• 10/100 Base-T network interfaces
• LAN signal transformation circuits

Pulse Transformers Procurement Notes

Verify the specific suffix 'E' confirms RoHS compliance and lead-free status as per manufacturer specifications. Confirm that the AEC-Q200 qualification aligns with target automotive application requirements. Ensure surface mount footprint compatibility with PCB layout constraints before finalizing procurement decisions.

Pulse Transformers Selection Notes

Select this component when automotive-grade reliability is required for 10/100 Base-T connectivity. The integrated common mode choke simplifies circuit design by reducing external component count. Verify thermal management capabilities meet system requirements given the high maximum operating temperature rating.

Pulse Transformers Part Context

This part belongs to Bourns' SM series of automotive transformers. It is specifically engineered to meet the stringent demands of automotive electronics environments. The series emphasizes compact form factors suitable for space-constrained printed circuit board assemblies in modern vehicle architectures.

Pulse Transformers Replacement Considerations

Check for direct substitutes within the SM91072 series or other Bourns automotive LAN transformers with identical pinouts and electrical characteristics. Ensure any replacement maintains AEC-Q200 certification if automotive usage is intended.