Real Capacitor Testing! Methodology & Teapo vs. Chemi-Con!

Methodology & First Results: Teapo vs. Chemi-Con

The first test was to get some experience and see what was happening, so we only blew up a small Teapo capacitor. For the second test, we followed a detailed methodology described below.

We first warm the capacitor for five minutes at its maximum voltage rating. After this period ends, we start overvolting the capacitor with 20% steps and for five-minute periods. We try to keep an ambient temperature of 25C (+-2) in our tests. At some point, we will use our climate chamber for these measurements.

16V Max Rated Capacitor Testing Plan.

• 16V      – 5 Minutes (Warm-up)
• 19.2V  – 5 Minutes
• 22.4V  – 5 Minutes
• 25.6V  – 5 Minutes
• 28.8V  – 5 Minutes
• 32V      – 5 Minutes
• 35.2V  – 5 Minutes

We don’t take into account the warm-up period. Starting from the 120% voltage rating, we measure the time the cap stays alive. By comparing each capacitor’s operational time, we can easily determine the best and by what degree!

*The best cap is used as a reference: 100% performance rating

According to the test results, the Chemi-Con W cap achieved a 23.36% longer lifetime in our tests, proving it is of higher quality than the Teapo SC series. The dielectric quality plays a major role in a capacitor’s lifetime and performance. The dielectric material’s quality and reliability influence the capacitor’s overall reliability and lifespan. High-quality dielectrics are engineered to withstand various environmental conditions and maintain their properties over time.

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