Surge Protector is European ITU-T K.21 standard compliant.

Press Release Summary:

Based on thyristor overvoltage protection technology, TISP4310T3BJR-S provides robust surge protection for modems. It is designed to pass European ITU-T K.21 tests which call for 600 Vrms, 600 W, 1 A test for 1 sec increased from 0.2 sec duration for basic requirement which introduces significant increased heating. Unit has reduced protection voltage from 350 V to 310 V to ensure that heating effect of 1 sec test does not push voltage over 350 V where modem could fail.


Original Press Release:

Bourns Announces New TISP Surge Protector That Meets Enhanced European Test Requirements

Bourns' New TISP4310T3BJR-S Provides More Robust and Durable Modem Protection RIVERSIDE, Calif., Oct. 21 -- Bourns, Inc., a leading manufacturer and supplier of electronic components, today announced the availability of its new surge protector that exceeds current protection requirements for modems. Designated the TISP4310T3BJR-S, Bourns collaborated closely with modem manufacturer LSI Corporation, formerly Agere Systems, to design a product that meets the more stringent European ITU-T K.21 enhanced standards without damaging the modem chipset. The new TISP® surge protector is based on Bourns' thyristor overvoltage protection technology and has also earned a new worldwide reference design win for the company. "Our new TISP surge protector is very significant because it sets a new standard in modem protection," said Koenraad Rutgers, technical marketing manager at Bourns. "This level of protection is an industry first and our collaboration with LSI has resulted in more robust and durable modems." The TISP4310T3BJR-S is designed to pass the more stringent European ITU-T K.21 tests which call for 600 Volt rms, 600 ohm, 1 amp test for 1 second increased from 0.2 seconds duration for the basic requirement which introduces significant increased heating. This new surge protector for modems has reduced the protection voltage from 350 Volts to 310 Volts to ensure that the heating effect of the 1 second test does not push the voltage over 350 Volts where the modem could fail. The narrow protection window of 269 Volts VDRM to 310 Volts V(BO) is the tightest in the industry and sets a new modem protection standard. This new modem design is approved by Underwriters Laboratories, Inc. (UL) and prototype samples are available. Pricing and Availability Bourns' TISP4310T3BJR-S surge protector is available now. As a pricing reference, the TISP4310T3BJR-S is offered in the price range of $0.15 to $0.12 for 20,000 to 50,000 unit quantities through distribution. About Bourns Bourns, Inc. is a leading manufacturer and supplier of automotive sensors, circuit protection solutions, magnetic products, microelectronic modules, 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-9000 standards under Six Sigma quality programs. Additional company and product information is available at the company's website at www.bourns.com/. Company Contact: Mikelyn Bridges Bourns, Inc. (951) 781-5397 mike.bridges@bourns.com Source: Bourns, Inc. Web site: http://www.bourns.com/

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