Aluminum Electrolytic Capacitors Built to Withstand Harsh Conditions

When it comes to mission-critical applications such as those found in military or space, reliability and the ability to withstand the harshest of conditions is of paramount importance.

Cornell Dubilier Electronics’ (CDE) aluminum electrolytic capacitors are designed to fit into these applications including radar, military and commercial aircraft power supplies and off-road vehicles as well as industrial applications such as downhole drilling.

CDE brought its capacitors to this week’s 2018 Applied Power Electronics Conference in San Antonio to showcase its technology that it claims is an alternative to wet tantalum capacitors.

The company’s Type HHT 175 aluminum electrolytic capacitor is designed for long life in harsh conditions with high capacitance stability at 175 degrees Celsius up to 20 G vibration. CDE claims the Type HTT is the only aluminum electrolytic on the market with 175 degree Celsius performance with a glass-to-metal seal that prevents normal dry-out of the capacitor electrolytic. The component is rated with a lifespan of 2,000 hours and a 10-year shelf life, retains capacitance at negative 40 degrees Celius and comes in nine values from 470 µF to 4,700 µF.


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