Bourns Releases New Design Kit and PortNote® Solution Enabling Effective SLIC Protection under 4 kV 10/700 µs Surge Conditions

Riverside, Calif., August 19, 2014 - Bourns, Inc., a leading manufacturer and supplier of electronic components, today announced a specific new 4 kV ITU-T Subscriber Line Interface Circuit (SLIC) Protection Design Kit and PortNote® Solution. The design kit, PN-DESIGNKIT-47, contains a Bourns® high-surge programmable thyristor (TISP9110MDMR-S) along with ceramic PTC resettable fuses for effective protection of SLICs that must operate under 4 kV 10/700 μs surge conditions. Each kit contains sufficient Bourns® components to prototype five boards. Telecom applications that need overvoltage protection for this type of interface include wireless local loop, access and regenerated POTS equipment as well as VOIP applications.


"Bourns is providing this helpful combination protection design resource so that we can help our customers address the unique protection needs of SLIC chipsets," said Achilles Chiotis, Communications Market Director at Bourns, Inc. "With one of the industry's most comprehensive portfolios of circuit protection solutions, Bourns also stands ready with expertise and support to meet the most sensitive telecom and networking equipment standards and requirements."

Pricing and Availability
The Bourns® Model PN-DESIGNKIT-47 SLIC Design Kit is available now, and is priced at $16.80 each in 5 piece quantities. Customers can access Bourns® PortNote® Solutions on the company's website at For more information, please see the SLIC Protection PortNote® Solution.

About Bourns

Bourns, Inc., is a leading manufacturer and supplier of position and speed sensors, circuit protection solutions, magnetic components, microelectronic modules, panel controls and resistive products. Headquartered in Riverside, California, USA, Bourns serves a broad range of markets, including automotive, industrial, consumer, communications, non-critical life support medical (low/medium risk), audio and various other market segments. Additional company and product information is available at

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.

Bourns® products have not been designed for and are not intended for use in "lifesaving," "life-critical" or "life-sustaining" applications nor any other applications where failure or malfunction of the Bourns® product may result in personal injury or death. See Legal Disclaimer Notice

Agency Contact:
Annette Keller
Keller Communication
Company Contact:
David Scofield
Bourns, Inc.
(951) 781-5054
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