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Vishay rolls out competitively priced resistors high-volume apps

Posted: 31 Jan 2005 ?? ?Print Version ?Bookmark and Share

Keywords:vishay intertechnology? wirewound resistor? metal oxide resistor?

Vishay Intertechnology Inc. released three new series of axial-leaded wirewound/metal oxide resistors that are competitively priced for high-volume applications.

These new resistors, for power ratings from 1W up to 20W, are intended for applications that require capacitive discharge, short term pulsing, high power dissipation, voltage division and dc-to-dc conversion in end products, including white goods, home entertainment systems, power tools and power supplies.

The new CA high-volume wirewound resistor is auto-insertable for easy integration. It is available in two models with power ratings of 1W and 2W, a resistance range of 0.1? to 1 kiloohm with tolerances of 5 percent and 10 percent,a temperature coefficient of 350ppm/C, and an operating temperature range of -65C to 275C. A high-temperature coating provides environmental protection.

The Dale CP high-volume wirewound/metal oxide resistor offers a high power-to-size ratio with a power rating range of 2W to 20W and length-by-width dimensions ranging from 18-by-7mm to 60-by-14mm with heights from 7mm to 13.5mm. Depending on resistance value, the new CP resistors are available with a wirewound element on woven fiberglass core or with a metal oxide element on ceramic core.

Resistance values for the CP resistor range from 0.1? to 1 kiloohm in the wirewound technology and 83? to 50 kiloohms in the metal oxide technology, both with tolerances of 5 percent and 10 percent. This product features a temperature coefficient of 400ppm/C and an operating temperature range of -65C to 275C. The resistor's ceramic case is available with circuit board stand-offs, and the cement potting compound and ceramic case provide high thermal conductivity in a fireproof package that can be used in applications that require UL approval.

Combining power ratings from 3W to 10W and length-by-width dimensions from 12-by-8mm to 16-by-12mm with heights from 25mm up to 35mm, respectively, the CPCC and CPCF high-volume resistors also deliver a high power-to-size ratio. Resistance values range from 0.1? to 50 kiloohms. Like the CP resistors, these two devices utilize wirewound and metal oxide technology and feature a temperature coefficient of 400ppm/C and an operating temperature range of -65C to 275C, as well as the thermal benefits of a ceramic casing and cement potting compound.

Samples of the new resistor series are available, with lead times of 8 to 10 weeks for production quantities.

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