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Vishay's resistor arrays boast tighter tolerances

Posted: 20 May 2013 ?? ?Print Version ?Bookmark and Share

Keywords:Vishay? thin film? resistor arrays? substrate?

Vishay Intertechnology has recently 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. The devices offer two and four integrated resistors on one substrate and their stable divider ratio improves the stability of the application.

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

The ACAS 0606 AT and ACAS 0612 AT provide superior moisture resistivity of l delta R/Rl less than 0.5 per cent at 85C and 85 per cent relative humidity for 1000 hours. The devices offer a 1000V ESD capability, a 75V operating voltage, and maximum rated dissipation to 0.125W per element. For automotive applications, the resistors are qualified according to AEC-Q200.

The new resistor arrays are suited for precision analogue 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.

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