Unlike resistors, which simply resist the flow of electricity, capacitors store electrical energy in an electric field. Think of them like tiny electrical sponges, soaking up and releasing energy like magic!
A capacitor consists of two conducting plates separated by an insulating material called a dielectric. When you apply a voltage across the plates, positive charges build up on one plate, while negative charges accumulate on the other. This separation of charges creates an electric field within the dielectric. The stronger the voltage, the stronger the electric field and the more energy the capacitor stores.
We at Semiconductors India deal in all kinds of Capacitors for various Business needs. Our clients are from Industries such as Automation, Optical, Wearable Technology, Navigation, Home Automation, Chemical, Automotive, Agriculture and many more.
Buy Capacitors at best price from Semiconductors India on the number 9717122688 and mail id semiconductorsindia@gmail.com
Types of capacitors:
The type of capacitor you choose depends on your specific needs. Here are some of the most common types:
- Ceramic capacitors: These are small, cheap, and widely used in electronic circuits. They offer good temperature stability and high capacitance values.
- Film capacitors: These are more expensive than ceramic capacitors but offer better performance in terms of leakage current and frequency response. They come in various types, including polyester, polypropylene, and metalized film.
- Electrolytic capacitors: These offer the highest capacitance per volume compared to other types but are polarized, meaning they have a positive and negative terminal that must be connected correctly. They also have higher leakage current and shorter lifespans.
- Supercapacitors: These are a special type of capacitor that can store significantly more energy than conventional capacitors, making them ideal for applications like backup power and energy harvesting.
Capacitor characteristics:
- Capacitance: This is the most important characteristic of a capacitor, measured in Farads (F). It indicates how much charge the capacitor can store for a given voltage.
- Voltage rating: This is the maximum voltage that the capacitor can safely withstand without breaking down.
- Temperature coefficient: This indicates how much the capacitance changes with temperature.
- Leakage current: This is a small current that flows through the capacitor even when it is not charged.
Applications of capacitors:
Capacitors have countless applications in electronics, including:
- Smoothing power supplies: They filter out voltage ripples and noise, providing a smoother power source for circuits.
- Blocking DC and passing AC: They can block DC while allowing AC to pass through, making them useful for coupling and decoupling circuits.
- Tuning circuits: They are used in radio and other signal processing circuits to tune to specific frequencies.
- Storing energy: Supercapacitors are used in portable electronics and renewable energy systems to store and release energy.
We, at Semiconductors India, provide following types of Capacitors:
- Ceramic capacitors
- Film capacitors
- Electrolytic capacitors
- Supercapacitors
- Aluminum Capacitors
- Aluminum – Polymer Capacitors
- Mica and PTFE Capacitors
- Tantalum Capacitors
- Niobium Oxide Capacitors
- Tantalum – Polymer Capacitors
- Capacitor Arrays
- Thin Film Capacitors
- Silicon Capacitors
- Trimmers, Variable Capacitors
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