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New Vishay Siliconix 40-V and 60-V MOSFETs Feature Industry's First Combination of High 3.4-V Threshold Voltage and Low 2.7-mΩ On-Resistance for High-Temperature Automotive Applications


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: 

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SANTA CLARA, Calif. — April 20, 2005 — Siliconix incorporated (NASDAQ: SILI), an 80.4%-owned subsidiary of Vishay Intertechnology, Inc. (NYSE: VSH), today announced the industry's first n-channel MOSFETs that combine a high 3.4-V threshold voltage with on-resistance as low as 2.7 milliohms.

The 10 new MOSFETs, available in 40-V and 60-V versions, are intended for use in high-temperature, high-current applications with inductive loads in the automotive, industrial, and fixed telecom industries, such as high-side switches, motor drives, and 12-V boardnets.

When MOSFETs operate in high-temperature, high-current environments, they can turn on spontaneously if their threshold voltage, impacted by heat, starts to approach 0 V. Until now, this posed a dilemma for designers. One solution was the addition of a negative voltage driver to the circuit, but the drawbacks were increased circuit size, cost, and complexity. Another solution would be to use a device with a high threshold voltage, but the effect in this case is an undesirable increase in on-resistance.

This new power MOSFET family provides a way out of this dilemma with high-density silicon technology that allows the same device to deliver both low on-resistance and a high threshold voltage that avoids the problem of spontaneous turn-on in automotive, industrial, and other applications involving high temperatures and high levels of current.

Device Number Package Breakdown Voltage (V) On-resistance at 10-V gate drive (milliohms) Max Junction Temperature (&#178;C)
SUM110N04-2m7H D2PAK (TO-263) 40 2.7 175
SUM110N04-05H D2PAK (TO-263) 40 5.3 175
SUD50N04-06H DPAK (TO-252) 40 6.0 175
SUD50N04-09H DPAK (TO-252) 40 9.0 175
Si7444DP PowerPAK SO-8 40 6.1 150
Si7962DP PowerPAK SO-8 40 17.0 150
SUM110N06-3m9H D2PAK (TO-263) 60 3.9 175
SUD50N06-08H DPAK (TO-252) 60 7.8 175
Si7452DP PowerPAK SO-8 60 8.3 150
Si7964DP PowerPAK SO-8 60 23.0 150

Available in the DPAK, D2PAK, and PowerPAK® SO-8 packages, samples and production quantities of the new MOSFETs are available now with lead times of 10 to 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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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: 

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