capacitor basics

Film capacitors offer stability, low loss, and reliability across dielectric types like polyester, polypropylene, PTFE, and PPS.

ESD protection using capacitors helps suppress electrostatic discharge by diverting or absorbing charge to protect sensitive circuits.

Capacitor datasheets detail electrical, thermal, and mechanical specs essential for selecting components in circuit design.

Capacitor losses include ESR, dielectric losses, and dissipation factor, impacting performance across frequency ranges.

Dielectric constant (Dk) defines a material’s ability to store electric charge relative to vacuum; key in capacitor and PCB design.

Power factor correction improves AC efficiency by reducing reactive power in inductive loads using capacitor circuits.

Safety capacitor types, uses, and standards in AC line-to-line and line-to-ground protection applications.

Niobium capacitors offer high reliability and density, rivaling tantalum types, with applications in energy-dense electronics.

The article describes the energy content of the capacitor, what energy it can store and deliver and what forces are present inside it.

Leakage current impacts capacitor performance, influenced by voltage, temperature, and time, with variations across capacitor types.

Explore ESL effects in capacitors, their impact on performance in high-speed circuits, and advances in low-inductance capacitor design.

Safety capacitors, including X and Y types, provide essential protection against electrical hazards in compliance with safety standards.

Electrostatic capacitors, non-polarized by design, use diverse materials like paper, plastic, and ceramics for compact, versatile applications.

Insulation resistance (IR) measures a capacitor’s charge retention and self-discharge prevention, affecting overall performance.

Dipoles in capacitors align with electric fields, enhancing capacitance. Their behavior varies with frequency, affecting capacitance over time.

The post discusses different methods of connecting capacitors and how it affects total capacitance: parallel connection, series connection, mixed dielectrics, capacitor geometry and standardization.

The post explains how capacitance in a capacitor is determined by factors such as the characteristics of the dielectric material.

Explanation of electrolytic capacitors, covering materials, construction, electrolyte types, applications, and performance factors.

An overview of capacitor technologies, discussing the major types of fixed capacitors: electrostatic, electrolytic, and supercapacitors.

Explanation of electrolytic capacitors, covering materials, construction, electrolyte types, applications, and performance factors.

Overview of Glass, Mica, Air, and Vacuum capacitors, highlighting their construction, applications, and performance.

“What is a capacitor?” explains about various capacitor technologies, such as air/vacuum, aluminum, ceramic, film, and supercapacitors, their basic structure and their uses.

Capacitor losses versus frequency depend on dielectric dipoles, with polar materials showing resonance peaks due to dipole reactions at specific frequencies.

Differences between Series vs Parallel equivalent circuits for capacitors, focusing on impedance, ESR, and dissipation factor in high-frequency applications.

Dissipation Factor (DF) measures energy loss in capacitors, indicating efficiency, especially in AC circuits and high-frequency applications.

Capacitor losses explained through ESR, impedance, dissipation factor, and quality factor, affecting AC circuit performance across frequencies.

The dielectric constant measures a material’s capacity to store energy in a capacitor, affecting capacitance and energy storage efficiency.