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Seven new power MOSFETs in a thermally enhanced D2PAK PAK, See pyridoxal-alpha-ketoglutarate.
 package, which enables a record-low level of thermal resistance and is capable of handling 29% more current than the conventional D2PAK, have been introduced by Siliconix incorporated (Nasdaq:SILI SILI Summer Institute of Linguistics International ), an 80.4%-owned subsidiary of Vishay Intertechnology Inc. (NYSE NYSE

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The new n-channel 40- to 200-V TrenchFETs are designed for use in automotive and communications applications, including motor control, ABS, electric power steering Electric power steering (EPS or EPAS) is designed to use an electric motor to reduce effort by providing assist to the driver of a vehicle. Most EPS systems have variable assist, which allows for more assistance as the speed of a vehicle decreases and less assistance , and 42-V Boardnet applications in cars, and for primary-side switching in the isolated dc-to-dc converters used in servers, routers, and networks.

Vishay's new thermally enhanced D2PAK incorporates a proprietary leadframe design that allows devices in the "SUM" series to offer the industry's lowest thermal resistance for this package type, depending on the die-size used.

Compared with conventional D2PAK devices, the new SUM series offers up to 29% higher maximum current of 100 A, 75% higher power Higher power is a term used in a 12-step program, such as Alcoholics Anonymous, to describe "a power greater than yourself." Although many participants equate their higher power with God, a belief in God or in formal religion is not mandatory; the higher power is intended as a  dissipation of up to 437.5 W, and on-resistance as low as 2.3 milliohms. Thermal resistance is as low as 0.4 degrees Centigrade centigrade /cen·ti·grade/ (sen´ti-grad) having 100 gradations (steps or degrees); see under scale.

 per watt -- 33% lower than in standard D2PAK devices.

As a result, the devices can handle higher current and more power, or run cooler while handling the same amount of current and power.

Higher current-handling capability and lower on-resistance values allow designers to save board space and lower production costs because it's possible to run fewer MOSFETs in parallel to reach the required current level and power load for a given application. By eliminating one or more MOSFETs, designers can reduce component, assembly, and testing costs.

In addition to superior current-handling and power-dissipation capabilities, select D2PAK TrenchFETs in the SUM series feature a maximum junction temperature Junction temperature is the temperature of the actual semiconductor in an electronic device. In operation it is usually higher than case temperature, the temperature of the part's exterior.  as high as 200 degrees Centigrade, an improvement of as much as 14% in the standard D2PAK footprint.

Samples and production quantities of the SUM110N04-02L, SUM110N04-03, SUM110N06-04L, SUM110N08-05, SUM110N10-09, SUM85N15-19, and SUM65N20-30 are available now, with lead times of 10 to 12 weeks for larger orders.

Siliconix is a leading manufacturer of power MOSFETs, power ICs, and analog switches for computers, cell phones, fixed communications networks, automobiles, and other electronic systems.

With 2001 worldwide sales of $305.6 million, the company's facilities include a Class 1, six-inch wafer fab dedicated to the manufacture of power products in Santa Clara Santa Clara, city, Cuba
Santa Clara (sän`tä klä`rä), city (1994 est. pop. 217,000), capital of Villa Clara prov., central Cuba.
, and an affiliated Class 1, six-inch wafer fab located in Itzehoe, Germany. Power products are also manufactured by a subcontractor in Japan.

Analog switches, analog multiplexers, and low-power transistors are fabricated by subcontractors in Dresden, Germany, and in Beijing. Assembly and test facilities include a company-owned facility in Taiwan, a joint venture in Shanghai, China, and subcontractors in the Philippines, China, and the United States United States, officially United States of America, republic (2005 est. pop. 295,734,000), 3,539,227 sq mi (9,166,598 sq km), North America. The United States is the world's third largest country in population and the fourth largest country in area. .

Vishay, a Fortune 1,000 company listed on the NYSE, is the largest U.S. and European manufacturer of passive electronic components (resistors, capacitors, inductors) and is the #2 manufacturer of discrete semiconductors worldwide.

The company's components can be found in products manufactured in a very broad range of industries worldwide. With headquarters in Malvern, Pa., Vishay employs over 20,000 people in over 70 plants in 14 countries.

For more information, visit or call 408/970-5581.
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Publication:Electro Manufacturing
Date:May 1, 2002

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