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Bourns Announces New High Power TVS Diodes in SMD Package for Exposed AC/DC Power Supply Applications

Riverside, Calif., August 20, 2014 - Bourns, Inc., a leading manufacturer and supplier of electronic components, today announced two new high Power TVS diodes that offer enhanced protection in surface mount SMD packaging. The new diodes are designed for DC clamping in exposed AC/DC power supply applications such as wireless base stations. Designated Models PTVS3-058C-SH and PTVS3-076C-SH, the latest high current bidirectional TVS diodes from Bourns offer bidirectional port protection meeting IEC 61000-4-5 8/20 μs current surge requirements.

"Silicon technology in Bourns® Power TVS devices delivers multiple advantages including lower clamping voltage under surge, greater performance stability and increased reliability compared to competing MOV technology that is typically used for DC clamping applications," said Ben Huang, Product Line Manager at Bourns, Inc. "DC power supplies used in telecom and other exposed applications need protection against hostile events, such as power line surges and indirect lightning strikes to the power supply, by limiting the peak surge voltage to an acceptable level and by not short-circuiting the line for an extended period of time. Bourns® Power TVS diodes are excellent solutions to satisfy these requirements that can help minimize critical system downtime and avoid costly maintenance calls."

Bourns selected the SMD package for its latest Power TVS products because this type of packaging can simplify assembly and reduce manufacturing costs by eliminating the extra assembly step in situations where the Power TVS diode is the only through-hole component on the printed circuit board. These devices offer excellent surge response versus temperature, where the typical maximum surge current at 150 °C exceeds 70 % of their rated value at 25 °C. The new models also feature standoff voltage of 58 V and 76 V with a peak pulse current rating of 3 kA.

Pricing and Availability
As a pricing reference, the Bourns® Models PTVS3-058C-SH and PTVS3-076C-SH are priced at $23.51 each in 20 piece quantities and $21.70 each in 500 piece quantities. Both new Power TVS diode models are available now and are RoHS compliant*.

Bourns' application note on surface mount Power TVS diodes has been updated with this new model information, and the product data sheet with detailed specifications is available on the Bourns' website.

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, audio and various other market segments. Additional company and product information is available at www.bourns.com.

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

Agency Contact:
Annette Keller
Keller Communication
(949) 947-7232
annettekeller1984@gmail.com
Company Contact:
David Scofield
Bourns, Inc.
(951) 781-5054
david.scofield@bourns.com
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