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Media contact -  Bob Decker, Redpines
Phone:  1.415.409.0233 
Fax:  1.650.618.1512 
E-mail:  bob.decker@redpinesgroup.com

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New Chipscale P-Channel MOSFET Sets New Record at 48 Milliohms

MICRO FOOT® Device Offers Industry's Lowest On-Resistance In 1.54 mm by 1.54 mm Footprint


MOSFETs

Products mentioned:

Si8413DB
For more information:
Media contact -  Bob Decker, Redpines
Phone:  1.415.409.0233 
Fax:  1.650.618.1512 
E-mail:  bob.decker@redpinesgroup.com

Sales contact: 

SANTA CLARA, CALIFORNIA — May 26, 2004 — A new chipscale p-channel power MOSFET that offers the industry’s lowest on-resistance of any such device with a footprint area under 3 square mm was released today by Siliconix incorporated (NASDAQ: SILI), an 80.4%-owned subsidiary of Vishay Intertechnology, Inc. (NYSE: VSH).

Aimed at battery switch, power amplifier, load switch, and charger applications, the new MICRO FOOT® Si8413DB delivers maximum on-resistance of just 48 milliohms at a 4.5-V gate drive, a 31% improvement over the next-best such competing chipscale MOSFET on the market. Maximum on-resistance at a 2.5-V gate drive is a low 63 milliohms. Breakdown voltage for the new device is −20 V.

Measuring just 1.54 mm by 1.54 mm by 0.62 mm high, the Si8413DB comparable performance to devices in the much larger TSOP-6 package while occupying a quarter of the space. When used in PDAs, cell phones, pagers, and other portable electronics, the new MICRO FOOT device gives designers the opportunity to make their end product smaller and thinner, to add more features, and/or to extend run times between battery charges.

Vishay Siliconix MICRO FOOT® devices use a solder bump process along with proprietary techniques developed at Siliconix to eliminate the need for an outer package to encase the power MOSFET die, greatly reducing the size of the devices required to switch power and analog signals in cell phones and other handheld electronic systems. As the latest product in the MICRO FOOT family, the Si8413DB offers a respective 17% and 31% improvement in maximum on-resistance compared with the previously released Si8411DB and Si8413DB.

Samples and production quantities of the Si8413DB are available now, with lead times of 12 weeks for larger orders.

Vishay Intertechnology, Inc., a Fortune 1000 Company listed on the NYSE (VSH), is one of the world's largest manufacturers of discrete semiconductors (diodes, MOSFETs, and infrared optoelectronics) and passive electronic components (resistors, inductors, and capacitors). These components are used in virtually all types of electronic devices and equipment, in the industrial, computing, automotive, consumer, telecommunications, military, aerospace, power supplies, and medical markets. Vishay’s product innovations, successful acquisition strategy, and "one-stop shop" service have made it a global industry leader. Vishay can be found on the Internet at www.vishay.com.

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MICRO FOOT is a registered trademark of Siliconix incorporated

For more information:
Media contact -  Bob Decker, Redpines
Phone:  1.415.409.0233 
Fax:  1.650.618.1512 
E-mail:  bob.decker@redpinesgroup.com

Sales contact: