Vishay Intertechnology enhances precision thin film chip resistor arrays

Vishay Intertechnology, Inc. today announced that the company has enhanced its ACAS 0606 AT and ACAS 0612 AT precision thin film chip resistor arrays with tighter absolute tolerance, relative tolerance, and relative TCR for the new S, T, and U accuracy grades. Offering two and four integrated resistors on one substrate, respectively, the ACAS 0606 AT and ACAS 0612 AT lower costs when compared to using multiple high-precision discrete resistors, while at the same time their stable divider ratio improves the stability of the application.

For increased accuracy, the Vishay Beyschlag ACAS 0606 AT and ACAS 0612 AT combine their high-temperature operation to +155 °C with tight absolute tolerance of 0.1 percent, relative tolerance of 0.05 percent, absolute TCR down to 10 ppm/K, and relative TCR down to 5 ppm/K. The devices offer resistance from 47 ohms to 150 kilohms, with equal or different resistor values, and maximum resistance ratio of 1:20.

In addition to excellent high-temperature performance, the ACAS 0606 AT and ACAS 0612 AT are extremely robust against harsh environmental conditions and provide superior moisture resistivity of l delta R/Rl less than 0.5 % at +85 °C and 85 percent relative humidity for 1000 hours. The devices offer a 1000 V ESD capability, a 75 V operating voltage, and maximum rated dissipation to 0.125W per element. For automotive applications, the resistors are qualified according to AEC-Q200.

Vishay said the new resistor arrays are suited for precision analog circuits, voltage dividers, and feedback circuit applications that require extraordinarily stable fixed resistor ratios. Typical applications will include automotive electronics, including engine control units, gear box controls, safety, power supply electronics, body electronics, braking systems, climate control, steering technology, and lighting; and industrial electronics, such as energy management, measurement control, sensors, scales, and precision amplifiers.

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).

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