Capacitor Lifespans

Capacitors naturally wear out after extended periods of use. Most capacitors are designed to operate for several thousand hours. Here is the projected lifespan for a typical capacitor, rated for 4,000 hours of operation at an average core temperature of 167 degrees Fahrenheit (75℃).

Core temperature in degrees F (and ℃) Projected lifespan in hours of operation
221(105) 500
203(95) 1,000
185(85) 2,000
167(75) 4,000
149(65) 8,000
131(55) 16,000
113(45) 32,000

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