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Thick Film Power Resistors offer optimal power dissipation.
Thick Film Power Resistors offer optimal power dissipation.
August 12, 2009 -
Sfernice LPS300, LPS600, and LPS800 thick film resistors are, respectively, 300, 600, and 800 W non-inductive (less than 0.1 µH) products with resistance range of 0.3 W to 900 kW. Each has 57 x 60 mm footprint and weighs 83 g. Power capabilities and dielectric strength of 12 kVRMS make devices suited for power supply, inverter, converter, snubber, and discharge resistor applications. Thermal resistance at rated power and +85°C is 0.112°C/W junction-to-case.
Vishay's New LPSxxx Thick Film Power Resistors Feature Power Dissipation of 300 W, 600 W, and 800 W at + 85 °C in Compact 57-mm by 60-mm Footprint
Non-Inductive Devices Offer Resistance Range From 0.3 W to 900 kW and Dielectric Strength up to 12 kVRMS
MALVERN, PENNSYLVANIA - May 27, 2009 - Vishay Intertechnology, Inc. (NYSE: VSH) today released new 300-W, 600-W, and 800-W thick film power resistors featuring a small size and a broad range of resistance values.
The new Vishay Sfernice LPS300, LPS600, and LPS800 thick film resistors are non-inductive (< 0.1 µH) and provide a wide resistance range of 0.3 W to 900 kW. Featuring compact footprints of 57-mm by 60-mm and low weight of 83 grams, the devices save valuable space on the circuit board, allowing designers to reduce the size of their end products.
With their high power capabilities and high dielectric strength of 12 kVRMS, the devices released today are intended for power supply, inverter, converter, snubber, and discharge resistor applications in windmills, trains, scanner and X-ray tables, and large UPS drives.
Thermal resistance for the LPSxxx resistors at rated power and + 85 °C is 0.112 °C/W junction-to-case. The devices feature a standard temperature coefficient of ± 150 ppm/°C for values above 10 W and tolerances from ± 1 % to ± 10 %. The RoHS-compliant resistors offer high-temperature performance from - 55 °C to + 120 °C (LPS300), + 155 °C (LPS600), and + 175 °C (LPS800).
Samples and production quantities of the LPSxxx high-power thick film resistors are available now, with lead times of eight to 10 weeks for larger orders.
Vishay Intertechnology, Inc., a Fortune 1,000 Company listed on the NYSE (VSH), is one of the world's largest manufacturers of discrete semiconductors (diodes, rectifiers, MOSFETs, optoelectronics, and selected ICs) and passive electronic components (resistors, capacitors, inductors, sensors, and transducers). These components are used in virtually all types of electronic devices and equipment, in the industrial, computing, automotive, consumer, telecommunications, military, aerospace, and medical markets. Its product innovations, successful acquisition strategy, and "one-stop shop" service have made Vishay a global industry leader. Vishay can be found on the Internet at http://www.vishay.com. Company Information: Name: Vishay Intertechnology, Inc. Address: 63 Lincoln Hwy., P.O. Box 4004 City: Malvern State: PA ZIP: 19355 2143 Country: USA Phone: 610-644-1300 FAX: 610-296-0657 http://www.vishay.com
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