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Switch keeps Ethernet systems safe from transient voltages

Posted: 31 May 2012 ?? ?Print Version ?Bookmark and Share

Keywords:Ethernet systems? voltage protection switch?

Supertex Inc. has rolled out the FP0030Vage protection switch. A 20V current limiting protection device, the FP0030 is like a normally closed switch with a typical resistance of 4.5. When the voltage drop across its two terminals exceeds a nominal value of 1.5V, the IC starts to turn off. In that state, the FP0030 can take up to 20V across its terminals and let up to 700?A typical current flow through it.

The FP0030 may also be used as a resettable fuse to protect power lines against output short circuit conditions. Its fast switching speed protect the system against abrupt over current conditions.

The RoHS-compliant FP0030 is available in a three lead SOT-23 package (FP0030K1-G), priced at $0.38 each in 1K quantities. Samples are available from stock. Lead-time for production quantities is 4-6 weeks ARO.

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