Technical Articles

Cornell Dubilier Electronics, Inc. has published these technical articles:

(Capacitors)
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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...
(Capacitors)
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When designing for RF or high-power applications, capacitor choices can have a big impact on a circuit's performance. To make things challenging, at high RF and microwave frequencies, specifying...
(Capacitors)
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Many engineers have a love-hate relationship with paper catalogs. Nothing is easier to use or more accessible, but catalogs quickly become dated and most of the content doesn't relate to individual...
(Capacitors)
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Aluminum electrolytic capacitors are routinely used as input bus capacitors in the power supply sections of electronic equipment such as motor drives, UPS systems, and welders. Most of these...
(Capacitors)
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Uninterruptable Power Supplies (UPS) have become a necessity for any system or data that can be lost, damaged or impaired by an unexpected power failure. Common backup power applications range from...
(Capacitors)
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What's a snubber? Power semiconductors are the heart of power electronics equipment. Snubbers are circuits which are placed across semiconductor devices for protection and to improve performance....
(Capacitors)
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Capacitor heating occurs in all aluminum electrolytic capacitor applications where a current is present, since the electrolytic capacitor is a nonideal capacitor which has resistive and other losses....
(Capacitors)
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Aluminum electrolytic capacitors have been a mainstay in electronic power circuits for their ability to provide large bulk storage, high voltage and high energy density. However, in a growing number...
(Capacitors)
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Impedance modeling of aluminum electrolytic capacitors presents a challenge to design engineers, due to the complex nature of the capacitor construction. Unlike an electrostatic capacitor, an...
(Capacitors)
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Many of today's inverter circuits require highly reliable and rugged capacitors to filter out the rich harmonic content of their AC output waveforms. The current of the harmonics at the output of...
(Capacitors)
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With so many types of capacitors available, circuit designers are faced with the challenge of selecting a capacitor that will be suitable for a specific snubber application. It is essential that the...
(Capacitors)
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Large-can aluminum electrolytic capacitors are widely used as bus capacitors in variable-speed drives, UPS systems and inverter power systems. Accurate thermal modeling of the capacitor's internal...
(Capacitors)
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All design engineers who consider using aluminum electrolytic capacitors want to know how long they will last and how many they can expect to fail. Many engineers do not realize that these are...
(Capacitors)
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Types MC & MCH Chips and Clad SMT Types MIN & MCM Sizes 1812 to 4640 (100 pF; 470 pF; 1000 pF; 1 pF; 10 pF)...
(Capacitors)
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Aluminum electrolytic capacitors are widely used in all types of inverter power systems, from variable-speed drives to welders to UPS units. This paper discusses the considerations involved in...
(Capacitors)
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The new, 125 °C, solid polymer aluminum (SPA) capacitors have performance advantages over other types of low ESR capacitors when used as output filters in DC-DC modules. The principal advantage of an...
(Capacitors)
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A comprehensive thermal model for screw-terminal aluminum electrolytic capacitors is developed. The test methodology and data upon which the model is based are discussed. Exact one-dimensional...
(Capacitors)
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Outline: I. Consequences and analysis techniques of transient behavior peculiar to large aluminum electrolytic capacitors: 1. Time-varying hotspot location 2. Highly anisotropic winding 3. Coaxial...
(Capacitors)
From this Article:
Early conventional aluminum electrolytic capacitors were known to lose electrolyte over time through outgassing. The loss of electrolyte, called dry-out, results in loss of capacitance and increases...