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

New LITTLE FOOT® Power MOSFETs Break Records for On-Resistance in SOT-23: 30-V and 60-V Devices Include First P-Channels in this Package Type


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

SANTA CLARA, CALIFORNIA- February 4, 1999 - A suite of record-setting SOT-23 power MOSFETs, including the industry's first 60-V p-channel device in this package type, was announced today by Vishay Siliconix. Built on Vishay Siliconix's high-density TrenchFET® technology, the new LITTLE FOOT® products are a small but powerful replacement for MOSFETs in the DPAK and other large packages often used in mobile computing, battery pack, data storage, automotive, and industrial applications.

Released today were two 30-V and two 60-V devices. The 30-V Si2306DS (n-channel) and Si2307DS (p-channel) provide maximum on-resistance of just 57 milliohms and 80 milliohms respectively, a new record for any power MOSFET in the SOT-23. Maximum current handling is 3.5 A for the Si2306DS and 3 A for the Si2307DS, making these devices ideal as load switches or output drivers for hard disk drives and new media storage devices, industrial controllers, barcode scanners, and even high-end toys.

The 60-V power MOSFETs released today are the n-channel Si2308DS and the p-channel Si2309DS, which offer maximum on-resistance of 160 milliohms and 250 milliohms respectively, an order of magnitude lower than any competing SOT-23 device with this drain-source voltage. With thermal impedance ratings comparable to the much larger DPAK devices that the Si2308DS and Si2309DS can replace, these new LITTLE FOOT products will provide dramatic space savings in automotive and industrial motor control applications, including burglar alarms, air bag actuators, injector drivers, electric seats, industrial controllers, artificial limbs, and milking machines.

"The LITTLE FOOT SOT-23 features a modified lead frame that dissipates heat better than a standard SOT-23 and which accommodates a larger die," said Evan Lambka, Product Marketing Manager at Vishay-Siliconix. "The result is significantly improved performance with no change to the JEDEC-registered SOT-23 outline, ensuring that these LITTLE FOOT SOT-23 devices will be easy to use with existing assembly equipment."

Despite their small size, all four devices released today can dissipate up to 1.25 W, even at peak currents, giving designers an alternative that is smaller, easier to place on the PC board, and significantly less expensive than DPAKs and other larger packages.

Samples and production quantities of all four new power MOSFETs are available now, with lead times of 8 to 10 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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For more information:
Media contact -  Bob Decker, Redpines
Phone:  1.415.409.0233 
Fax:  1.650.618.1512 
E-mail:  bob.decker@redpinesgroup.com