Expert technical articles, selection guides, and troubleshooting tips from our engineering team. Deep knowledge built over four decades in the capacitor industry.
Current state of the capacitor supply chain: which parts are constrained, why shortages persist, pricing trends, and actionable sourcing strategies.
Complete cross-reference guide for discontinued Sprague, Mallory, Aerovox, and GE capacitors. Find modern equivalents for legacy industrial and military parts.
Comprehensive sizing charts for motor start and run capacitors from fractional HP through 15 HP. Covers HVAC, pumps, well pumps, and general-purpose applications.
Electrolytic capacitors stored without power need reforming before use. Learn the step-by-step procedure to safely rebuild the oxide layer and restore performance.
Learn to decode every capacitor marking system — 3-digit codes, color bands, SMD markings, and manufacturer part numbers. Complete tables and conversion reference.
The definitive guide to replacing capacitors in Allen-Bradley drives. Covers every major platform with fault codes, specifications, cross-references, and step-by-step replacement procedures.
Temperature rating matters more than you think. Learn how 85°C vs 105°C affects capacitor life, reliability, and when the upgrade is worth it.
Comprehensive comparison of ceramic and film capacitors covering construction, performance trade-offs, and application-specific recommendations.
The definitive answer to whether you can swap 370V and 440V capacitors. Voltage rating explained, substitution rules, and HVAC application guide.
Should you use film or electrolytic? Complete comparison covering construction, ESR, lifespan, and ideal applications for each type.
Your UPS backup time has declined? Capacitors are likely the cause. Learn how to diagnose, source, and replace UPS capacitors.
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