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Capacitors – Meaning, Properties, And Applications

Capacitors are one the most frequently used passive electronic component. They are found in many devices and are two-terminal components formed with two metal plates having an insulating dielectric in between. Capacities store energy by holding apart pairs of opposite charges. Their effect is called capacitance.  They are available in various shapes and sizes. Being a trusted wholesale Panasonic capacitor supplier, we at Express Technology Group, offer the best quality capacitors.  

Properties of capacitors  

Capacitors have many properties including:  


It is the most important property of capacitors. It determines the ability to store electrical energy at a certain voltage. Capacitance can be increased and decreased as per usage. For increasing the capacitance, the effective area of the electrodes is increased and it decreases the separation between the electrodes. Insulation is increased by using dielectric with better dipole formation.  

Working voltage  

The second property of capacitors on our list is working voltage. It is the DC or AC which is applied during the entire lifespan of the capacitor and works without any damage.  


Another property of the capacitor is tolerance. It is the limit to which the capacitance is allowed to differ from the nominal value. It is represented by plus or minus. 

Leakage current, working temperature, and polarization  

The small amount of current leaks through the dielectric and is termed the leakage current. Working temperature refers to the change in the surrounding temperature of the capacitor that affects its capacitance. Polarization is all about the correct polarity of the voltage connected to the capacitor terminals.  

Applications of capacitors  

Capacitors are used in electrical circuits. Every circuit has its own needs and capacitors of large and small value ranges are used. It is ensured that the most suitable capacitor s used so that the circuit can operate effectively. We are wholesale Panasonic capacitor suppliers offering obsolete hard-to-find, active capacitors.  

Energy storage  

One of the primary applications of capacitors is energy storage. It stores energy when gets connected to the circuit and consumes it even when there is no connection. Capacitors regulate and control the power supply in batteries when they are updated and keep the volatile memory secure.  

Power conditioning  

Another application of capacitors is power conditioning. It makes the pace of complete or half wave rectifier easier and assists in charging pump circles by generating higher voltage and helping in storing energy elements. They work as a temporary store for the direct current (DC) and bypass the alternative current (AC) from the power source.  

Conclusion   Are you in need of capacitors? If so, you can have a look at our collection of high-quality capacitors because we are a wholesale Panasonic capacitor supplier. All the capacitors delivered by us meet international quality standards and reached the customer within the given time frame. We aim to become the leading player in the distribution industry by offering the best quality electronic components. For specifications and detailed inquiries, you can request an online quote or make us a call at (631) 869-2035.