film capacitors

Motor Run Capacitor: Applications and Failure Modes

Figure shows a circuit with a motor start capacitor and a motor run capacitor

A motor run capacitor is an essential component in the operation of single phase electric motors. Unlike motor start capacitors, which are only active during startup, motor run capacitors remain engaged while the motor operates, providing a continuous phase shift and improved power factor. These capacitors are essential in applications requiring stable operation, reduced energy …

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Capacitor Failure Modes and Mechanisms

Figure shows how the lifetime of a capacitor decreasing with an increase in temperature

Capacitor failure is a critical issue in electronic systems. It often leads to degraded circuit performance or complete malfunction. Common failure modes include open circuits, short circuits, loss of capacitance, increased leakage current, and dielectric breakdown. These failures can arise from various mechanisms, such as electrical overstress, thermal degradation, mechanical stress, and environmental factors like …

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Polarized vs Non-Polarized Capacitor: Differences and Uses

Figure shows mica capacitors and a non-polarized capacitor symbol

Polarized vs Non-Polarized Capacitor: Differences and Uses Polarized and non-polarized capacitors are used in virtually every circuit, serving various purposes. Capacitors can be broadly categorized into two types: polar capacitors and non-polar capacitors. This short article explores the two types of capacitors, highlighting their differences and the unique benefits of using a non-polarized capacitor. Polarity …

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A Guide to Types of Film Capacitors and their Applications

metallized polypropylene capacitors, polypropylene film capacitors

Film capacitors are named for their dielectric material and come in two main types: film and foil and metallized foil.  Film and foil capacitors are known for their larger and more rugged construction. On the other hand, metallized film capacitors feature a metallized layer and are smaller and pricier. Film capacitors cover a range from …

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Types of Capacitors and Their Applications: An Introductory Guide

A photo showing various capacitor symbols

Types of Capacitors and Their Applications: An Introductory Guide Capacitors serve as indispensable components in electronic circuits, playing a vital role in storing and releasing electrical energy. The fundamental structure of a capacitor comprises two conductive plates separated by an insulating material known as a dielectric. When a voltage is applied across these plates, an …

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