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Bourns SM91071ALE Ethernet Transformer

The Bourns SM91071AL is a 10/100 Base-T transformer designed for cost-effective, reliable performance in Ethernet networks. It meets IEEE 802.3u standards, features an expanded temperature range of -40 to +125 °C, and is RoHS compliant and halogen-free. Suitable for industrial and automotive applications, it offers low leakage inductance, low DCR, and excellent electrical characteristics for network interfaces. The transformer enables robust data communication, ensures compliance with safety standards, and is packaged in tape and reel for efficient assembly and automation.

Authorized Distributors
Source:Newark
Part No:SM91071AL-E
Stock:3097
Inv Date:05-28-2026
Price: Unit price: $1.88
Buy/RFQ:
Source:DigiKey
Part No:SM91071AL-E
Stock:4790
Inv Date:05-28-2026
Price: Unit price: $3.04832
Buy/RFQ:
Part No:SM91071AL-E
Stock:853
Inv Date:05-29-2026
Price: Unit price: $4.06
Buy/RFQ:
Part No:SM91071AL-E
Stock:0
Inv Date:05-28-2026
Price: Unit price: $3.83
Buy/RFQ:
Part No:SM91071AL-E
Stock:2255
Inv Date:05-28-2026
Price: Unit price: $3.26
Buy/RFQ:

Bourns SM91071ALE Ethernet Transformer Specifications:

  • Turns Ratio: 1:1 (DC 100%), 4:1 (50%)
  • Leakage Inductance: 0.5 pH Max at 100 kHz
  • DCR: Primary & Secondary 4.0 ohm Max, TX & RX 1.4 ohm Max
  • Insertion Loss: -1.1 dB Max at 100 MHz
  • Return Loss: -16 dB Min at 140 MHz
  • Cross Talk: -40 dB Min (1-60 MHz), -35 dB Min (60-100 MHz)
  • Common Mode Rejection: -37 dB to -30 dB (1-60 MHz
  • Hi-Pot Resistance: 1500 V RMS, 2250 V DC for 60 sec.
  • Operating Temperature: -40 to +125 °C
  • Storage Temperature: -40 to +125 °C
  • Package: Tape and Reel, 600 pcs/reel
  • Compliance: RoHS, ISO/TS 16949, AEC-Q200, Halogen Free

Buy the Bourns Series SM91071AL Ethernet Transformer: SM91071AL

Enhance your industrial or automotive network designs with the Bourns Ethernet Transformer. Supporting 10/100 Base-T, it ensures reliable data transfer and meets rigorous safety and environmental standards. The transformer features a wide temperature range of -40 to +125 °C, is RoHS compliant, halogen free, and comes in tape and reel packaging for easy automation. Trusted for durability and consistent performance, it’s ideal for high-reliability network interfaces in demanding applications. Purchase online today to secure this essential network component.

Order your Bourns Series SM91071AL Ethernet Transformer today and give your network interfaces the dependable, automotive-grade performance they need.

Frequently Asked Questions

Where can I buy Bourns SM91071ALE?

You can click on the BUY or RFQ button to purchase SM91071ALE from an authorized Bourns distributor.

How do I troubleshoot issues or seek technical support for part SM91071ALE?

You can download the SM91071ALE datasheet or visit the Bourns website for support.

Who is the manufacturer of SM91071ALE?

Bourns

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