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New Low Voltage Protection Switch From Supertex Prevents High Transient Voltages in Ethernet Systems

SUNNYVALE, CA -- (Marketwire) -- 05/29/12 -- Supertex, Inc. (NASDAQ: SUPX), a recognized leader in high voltage analog and mixed signal integrated circuits (ICs), today introduced FP0030, a 20V current limiting protection device. The FP0030 can be considered as a normally closed switch with a typical resistance of 4.5 ohms. The IC starts to turn off when the voltage drop across its two terminals exceeds a nominal value of +/-1.5V. In the off state, the FP0030 can withstand up to +/-20V across its terminals and allow typical current of 700uA to 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.

"Supertex's FP0030, with its small 3-pin package and no external supplies needed, provides Ethernet system designers a space-saving and easy-to-layout solution," states Jimes Lei, Director of Applications Engineering for Supertex. "The IC features low on-resistance of typically 4.5 ohms for minimal signal attenuation."

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

About Supertex
Supertex, Inc. is a publicly held mixed signal semiconductor manufacturer, focused in high voltage analog and mixed signal products for use in the medical, LED lighting, imaging, industrial, and telecommunication industries. Supertex product, corporate and financial information is readily available at www.supertex.com.

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