Overcurrent Device protects telecom and DSL equipment.

Press Release Summary:




PolySwitch® TSM 600-250 surface-mount device interrupts ac faults, providing tandem resettable overcurrent circuit protection for telecommunications equipment. It has 2 matched, low-resistance PPTC components for balanced protection on tip-and-ring lines with minimal attenuation of data transmission. Device can be combined with SiBar® overvoltage devices for compliance with lightning and ac power fault protection requirements of Telcordia GR-1089 standard.




Original Press Release:



New PolySwitch® TSM 600-250 Device Offers High-Density Overcurrent Protection for DSL and Telecom Network Equipment



MENLO PARK, CA-May 6, 2002- Tyco Electronics announces a new Raychem Circuit Protection PolySwitch® TSM600-250 overcurrent protection device for DSL and other telecommunications network equipment applications. The small-footprint, low-resistance, surface-mount device provides tandem resettable overcurrent circuit protection for use in high-density multi-port linecards and other telecommunications network equipment. The TSM600-250 device incorporates two matched, low-resistance PPTC (polymeric positive temperature coefficient) components into a single device yielding balanced protection on tip-and-ring lines with minimal attenuation of data transmission.

"By combining a single TSM600-250 device with SiBar® overvoltage devices, compliance with the lightning and AC power fault protection requirements of the Telcordia GR-1089 standard can be effected without additional components," said Rodrigo Rubiano, Telecommunications and Networking Market Manager for Tyco Electronics Power Components. "Compared to a typical SMT telecom fuse, the TSM600-250 device reacts at higher speeds and helps provide protection even under low-current fault conditions. In addition, the TSM600-250 device assists in coordination of the primary and secondary overvoltage protection components and reduces energy let-through without compromising lightning surge capability of network equipment."

The TSM600-250 device occupies half of the board space of two previous generation 600V PPTC devices and eliminates the risk of unmatched tip-and-ring line protection. In addition to interrupting AC power faults, the device is robust to Telcordia GR-1089 lightning and has a rated hold current of 250mA. The devices are tape and reel packaged for compatibility with high-volume assembly. For further information or technical assistance, call (800) 227-7040, or visit tycopowercomponents.comr.

Starting Price: Comparable to two SMT telecom fuses, starting at $0.80 in volumes of 100k

Availability: Samples available now

Delivery: Lead-time is 8 weeks ARO

Editorial Contacts:
Lisa Jones
Marketing Communications Director
Tyco Electronics Power Components
PH (800) 227-7040
lajones@tycoelectronics.com

Maryanne Kane
Chief Communications Officer
Tyco International Ltd.
PH (508) 747-0800
mkane@tyco.com

Agency Contact:
Michael Gerow
PR Director
WelComm, Inc.
PH (858) 279-2100
mike@welcomm.com

About Tyco Electronics
Tyco Electronics is one of the major business units of Tyco International Ltd. (NYSE:TYC, LSE:TYI, BSX:TYC). Headquartered in Harrisburg, Pennsylvania, USA, Tyco Electronics is the world's largest passive electronic components manufacturer, and a world leader in cutting-edge wireless technologies, fiber optic active components, and complete power systems. The company has facilities located in 51 countries serving customers in the aerospace, automotive, computer, communications, consumer electronics, industrial and power industries. Tyco Electronics provides advanced technology products from over thirty well-known and respected product brands, including Agastat, Alcoswitch, AMP, AMP NETCONNECT, Buchanan, CII, CoEv, Critchley, Elcon, Elo TouchSystems, HTS, M/A-COM, Madison Cable, OEG, Potter & Brumfield, Raychem, Schrack, Simel and TDI Batteries.

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