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Polyswitch helps designers comply with IEEE 802.3af

Posted: 19 Nov 2002 ?? ?Print Version ?Bookmark and Share

Keywords:tyco electronics? raychem circuit protection? polyswitch? smd050 2018? resettable fuse?

Tyco Electronics has announced the release of Raychem Circuit Protection's PolySwitch SMD050-2018 resettable device that helps provide resettable overcurrent protection for VoIP and powered Ethernet equipment, and is designed to meet the voltage and hold current requirements of the IEEE802.3af Ethernet specification.

When installed between the power source and output of a powered Ethernet device, the SMD050-2018 device provides a second layer of defense in the power management circuit. Should any power control FET fall short, the PolySwitch device shuts down the individual port and helps prevent a system-wide power failure. Once the fault condition and power are removed, the device resets and allows the affected equipment to return to normal operating conditions.

The SMD050-2018 device also helps overcome the fatigue failures, unrecoverable nuisance tripping, and installation problems associated traditional single-use fuses.

The PolySwitch SMD050-2018 surface-mount device is available in tape and reel packaging and is priced at 26 cents in quantities of 100,000.





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