Vishay Adds New Devices to CTN Series of Resistors

Vishay Intertechnology Inc. (Malvern, PA) announced that it is adding new devices with a low absolute TCR of ±10 ppm over the full -55 °C to +125 °C temperature range to its CTN Series of 30 mil center-tapped nichrome resistor chips. With stability at 250 mW power levels and a compact chip size of 0.030 in x 0.030 in, the CTN resistor chips offer a single, flexible solution for applications requiring a much tighter TCR spread between resistors at different positions in a hybrid assembly.

Designed primarily for use in feedback circuits in amplifiers requiring ratio matching, high power and tracking between two resistors, the CTN resistors are capable of operating as a single-value resistor, or as two resistors with a center tap feature. Six gold bonding pads serve to increase possible layout configurations. Total resistance for the new ±10 ppm/°C CTN resistors ranges from 1 kiloohm to 1 megaohm with standard tolerances down to 0.1 percent. The TCR tracking between halves is ±2 ppm/°C, and the center tap ratio is 1±1 percent standard. An oxidized silicon substrate provides good power dissipation.

Samples and production quantities of the CTN center-tapped nichrome resistor chip are available now with a lead time of eight weeks for larger orders. Pricing for 1,000-piece quantities starts at $0.75.

Vishay Intertechnology Inc.
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