Current Sensing Resistor operates in -65 to +275 °C temps.

Press Release Summary:

High-temperature 1 W surface-mount Power Metal Strip® resistor WSLT2010...18 offers resistance values of 10-500 mW, tolerance down to ±0.5%, and TCR values down to ±75 ppm/°C. It features all-welded construction with solid metal nickel-chrome alloy resistive element, and offers frequency response to 50 MHz and thermal EMF of less than 3 µV/°C. Applications include automotive engine and transmission controls and industrial oil/gas well drilling.

Original Press Release:

Vishay's New WSLT2010...18 1-W, Surface-Mount 2010 Power Metal Strip® Resistor Is Industry's First to Offer Temperature Range of -65 °C to +275 °C

MALVERN, PENNSYLVANIA - Jan. 14, 2009 - Vishay Intertechnology, Inc. (NYSE: VSH) today announced a new high-temperature 1-W surface-mount Power Metal Strip® resistor that is the industry's first current sensing resistor in the 2010 case size to operate over a temperature range of -65°C to +275°C. The WSLT2010...18 resistor features a very low 10-mW to 500-mW resistance value range, a tight tolerance down to ±0.5 %, and low TCR values down to ±75 ppm/°C.

The high-temperature capability and high power ratings (double the standard WSL rating) of the WSLT2010...18 allow it to be used for current sensing and pulse applications in harsh, high-temperature environments without sacrificing power rating or electrical performance. The range of systems into which the WSLT2010...18 will be designed includes automotive engine and transmission controls, audio electronics, climate controls, and anti-lock brakes; and industrial oil/gas well drilling, including down hole test/measurement equipment.

Manufactured using proprietary techniques that result in extremely low resistance values, the WSLT2010...18 features all-welded construction with a solid metal nickel-chrome alloy resistive element with low TCR of < 20 PPM/°C. The resistor offers low inductance values, an excellent frequency response to 50 MHz, and low thermal EMF of less than 3 µV/°C.

Samples and production quantities of the new resistor are available now, with a lead time of four to six 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, transistors, and 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 ability to provide "one-stop shop" service have made Vishay a global industry leader. Vishay can be found on the Internet at

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