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Bourns SM91073ALE Ethernet Transformer

This 10/100 Base-T transformer is designed to meet IEEE 802.3u standards and is RoHS compliant. It features expanded temperature range from -40 to +125 °C, halogen free construction, and complies with AEC-Q200 automotive standards. Its electrical specifications include a leakage inductance of 350 uH typical, turns ratio of 1:1 or 4:1, and low DCR of 2 ohms. Suitable for Ethernet network applications, it offers excellent electromagnetic compatibility and environmental resilience, making it ideal for industrial and automotive networking environments.

Authorized Distributors
Source:Newark
Part No:SM91073AL-E
Stock:3533
Inv Date:05-28-2026
Price: Unit price: $5.15
Buy/RFQ:
Part No:SM91073AL-E
Stock:0
Inv Date:05-29-2026
Price: N/A
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Part No:SM91073AL-E
Stock:0
Inv Date:05-28-2026
Price: Unit price: $4.97
Buy/RFQ:
Part No:SM91073AL-E
Stock:3000
Inv Date:05-28-2026
Price: Unit price: $3.3
Buy/RFQ:

Bourns SM91073ALE Ethernet Transformer Specifications:

  • Electrical Specifications: Leakage Inductance 350 uH min, Turns Ratio 1:1 or 4:1, DCR 2 ohms max, Insertion Loss -1.1 dB at 100 MHz, Return Loss -16 dB at 40 MHz, Cross Talk -40 dB at 50 MHz, Common Mode Rejection -35 dB at 30 MHz, Hi-Pot 1500 Vrms, Operating Temperature -40 to +125 °C, Storage Temperature -40 to +125 °C, RoHS compliant, Halogen free, Model SM91073AL, Packaging Tape and Reel (600 pcs per reel), Suitable for Ethernet networking, Automotive, and Industrial applications.
  • Dimensions: Dimensions include a typical diameter of 2.0 mm, length approximately 24 mm, packaging in tape and reel format, with a reel size of 600 pieces. Designed for PCB mounting with recommended layout considerations, and compliance with EI-481 requirements for consistent assembly quality.

Buy the Buy Bourns SM91073AL Part Number SM91073AL Online

Order the Bourns SM91073AL Ethernet Transformer online today to ensure your network systems are reliable, RoHS compliant, and capable of operating across a wide temperature range. Designed to meet industry standards, this automotive-grade transformer offers excellent electromagnetic compatibility, low DCR, and high dielectric strength, making it ideal for industrial, automotive, and data communication applications. Secure your supply chain and enhance system performance by purchasing this high-quality transformer online now, with fast delivery and trusted support from Bourns.

Get Bourns SM91073AL today—built for high reliability, extended temperature operation, and industrial Ethernet networking.

Frequently Asked Questions

Where can I buy Bourns SM91073ALE?

You can click on the BUY or RFQ button to purchase SM91073ALE from an authorized Bourns distributor.

How do I troubleshoot issues or seek technical support for part SM91073ALE?

You can download the SM91073ALE datasheet or visit the Bourns website for support.

Who is the manufacturer of SM91073ALE?

Bourns

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