Product News: Electronic Components & Devices

Compact Thick Film Resistor has power rating of 1,100 W.

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Press Release Summary:

April 19, 2012 - Supplied in 57 x 60 x 25 mm package, LPS1100 offers power rating of 1,100 W at heat sink temperature of +25°C. Non-inductive (less than 0.1 µH) solution, providing resistance range of 1 ohm to 1.3 kohm, features dielectric strength to 12 kVRMS and overload capability of up to 2,200 W for 10 sec. Operating from -55 to +200°C, RoHS Directive 2011/65/EU-compliant product exhibits thermal resistance at rated power and +25°C of 0.039°C/W junction-to-case.

Vishay

63 Lincoln Hwy., P.O. Box 4004, Malvern, PA, 19355, USA

Original Press Release

Vishay Intertechnology Releases Industry's First Power Thick Film Resistor to Offer Power Rating of 1100 W in Compact 57 mm by 60 mm Footprint

Press release date: April 12, 2012

Non-Inductive Device Offers High Dielectric Strength up to 12 kVRMS and Overload Capability up to 2200 W for 10 Seconds

MALVERN, Pa. - Vishay Intertechnology, Inc. (NYSE: VSH) today released a new power thick film resistor that is the industry's first resistor in the compact 57 mm by 60 mm package to offer a power rating of 1100 W at a heat sink temperature of + 25 °C. The LPS1100 offers high-temperature derating performance and a broad range of resistance values.

The LPS1100 thick film resistor is non-inductive (< 0.1="" µh)="" and="" provides="" a="" resistance="" range="" from="" 1="">W to 1.3 kW. Designed for easy mounting to a heat sink, the device's compact footprint, low 25 mm profile, and low weight of 79 grams save valuable space to help designers reduce the size of their end products.

With its high power capabilities and high dielectric strength to 12 kVRMS, the LPS1100 is intended for power supply, inverter, converter, HEV-EV battery management, and snubber, chopper, pre-charge, discharge, filtering, and crowbar resistor applications. Typical end products will include windmill turbines, X-ray and oncology tables, trains, and large UPS drives.

Thermal resistance for the LPS1100 resistor at rated power and + 25 °C is 0.039 °C/W junction-to-case. The device features a temperature coefficient of ± 150 ppm/°C, tolerances from ± 1 % to ± 10 %, and an operating temperature from - 55 °C to + 200 °C. The resistor is compliant to RoHS Directive 2011/65/EU.

Samples and production quantities of the LPS1100 are available now, with lead times of eight to 10 weeks for larger orders. Pricing for U.S. delivery in 15-piece orders is $100 per piece. Follow Vishay thick film resistors at http://twitter.com/vishayindust.

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, 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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