LAN 10/100 Base-Tx Transformer suits Ethernet MB and ADSL modems.

Press Release Summary:

Operating from -40 to +85°C, Bourns® Model PT61018PEL features single-port, potted construction design. RoHS-compliant product, suited for harsh environment applications, features 1.5K Vrms isolation voltage, is IEEE 802.3 Ethernet-compatible, and comes in 2-channel, 16-pin SMD package. Insertion loss is -1.15 dB max from 1–100 MHz, return loss varies from -18 to -12 from 1–80 MHz, and respective common mode rejection values are -37 and -28 dB at 1–60 MHz and 60–10 MHz.

Original Press Release:

Bourns Introduces New 10/100 Base-Tx Transformer as Optimal Inductive Component Solution for MB and ADSL Modems

New Power TVS Diode Models Deliver Lower Clamping Voltage Under Surge, Increased Performance Stability and Enhanced Reliability

RIVERSIDE, Calif. – Bourns, Inc., a leading manufacturer and supplier of electronic components, today introduced its new 10/100 Base-Tx Transformer.  Designated the Bourns® Model PT61018PEL, it is an addition to the company’s comprehensive inductive components product family.   This LAN transformer features a single-port, small size, potted construction design that makes it an optimal solution for Ethernet MB and ADSL-based modems.  Bourns’ new LAN 10/100 Base-Tx transformer is also ideal for harsh environment applications offering extended temperature range (-40 to +85 °C) operation with 1.5K Vrms isolation voltage. The PT61018PEL can be used as alternate transformer to Bourns’ existing Model PT61018EL, and offers a significantly shorter production lead time of 10 weeks compared to the existing model.

“Bourns’ new LAN 10/100 Base-TX transformer is a welcome addition to our broad array of magnetic components and solutions that meet a variety of application needs,” said Guido Zehnder, product manager at Bourns, Inc. “In addition to its ruggedized potted construction design and extended temperature operation that meet harsh environment modem application requirements, Bourns’ latest LAN transformer is fully integrated for adapter, hub and motherboard applications.”

Pricing and Availability

As a pricing reference, the Bourns® model PT61018PEL is priced at $0.60 each in 5000 piece quantities. Available immediately, the new LAN transformer is IEEE 802.3 Ethernet compatible, is offered in a dual channel 16-pin SMD package and is RoHS compliant*. For additional product specifications, please go to:

About Bourns

Bourns, Inc. is a leading manufacturer and supplier of automotive sensors, circuit protection solutions, magnetic products, microelectronic modules, trimming and precision potentiometers, panel controls and encoders and resistive products. Headquartered in Riverside, CA, Bourns serves a broad range of markets, including telecommunications, computer, industrial, instrumentation, automotive, consumer, non-critical life support medical, audio and various other market segments. Bourns® products are manufactured according to ISO 9001 and ISO 14001 standards under Six Sigma quality programs. Bourns® automotive products are manufactured in accordance with the ISO/TS 16949 standard. Additional company and product information is available at the company’s website at

*RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011.

Bourns® and the Bourns logo are registered trademarks of Bourns, Inc. and may be used only with the permission of Bourns and proper acknowledgement. Other listed names and brands are trademarks or registered trademarks of their respective owners.

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