Wide terminal, thin film chip resistors can replace multiple resistors

Wide terminal, thin film chip resistors in the MCW 0406 AT family now include an additional case size for power handling of up to 1W.

Designed for power electronics in industrial and automotive applications, Vishay Beyschlag MCW 0612 AT Professional resistors provide high power dissipation, high-temperature performance, and long-term thin film stability, says the company.

They provide up to four times higher power dissipation when compared to standard resistors in the 1206 footprint. The devices can lower costs by replacing multiple resistors of the same size or larger devices with equivalent power ratings. The resistors’ wide terminal contact geometry allows for robustness against thermal cycling. They also offer high operating temperatures to +175 degree C for 1,000 hours and advanced sulphur resistance as verified according to ASTM B 809 by exposure to sulpur vapour at +90 degree C and 80 to 90 per cent relative humidity for 42 days.

The resistors can be used in harsh and high-temperature environments without compromising power rating or electrical performance, claims the company, as well as for miniaturisation. The devices can be used when the application requires their full power capability or a fraction of the nominal rated dissipation in order to gain improved stability. The resistors feature TCR down to ±25ppm/k, tolerance to ±0.5 per cent, and a resistance range from 10Ohm to 100kOhm.

Typical applications include power measurement and control in lighting, inverters for hybrid EVs and EVs, engine control units, gear box controls, and braking and steering systems. The resistors are qualified according to AEC-Q200.

Samples and production quantities are available now.

http://www.vishay.com

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