Film Capacitors

A film capacitor is an electrical component that uses a plastic film material as the dielectric instead of the usual paper or wax. They are used in applications where other types of capacitors are less effective, such as high-frequency switching circuits, high-voltage power supplies and in motor controllers. The CB172E0225KBC is a film capacitor suited for use in various applications.

Application Fields of CB172E0225KBC

Film capacitors like the CB172E0225KBC are used in many applications where reliability and high performance are required. For instance, CB172E0225KBC is used in power supply designs, such as in power factor correction, resonant circuits, DC-DC converters, voltage stabilizers, motor control circuits, and AC/DC inverters. The CB172E0225KBC is also employed in high-reliability industrial equipment that require a long operating lifetime.

The CB172E0225KBC has a temperature range of -25°C to +125°C and is UL Certified and RoHS Compliant. It has a voltage rating of 250VAC and a capacitance range of 0.47μF to 2.2μF. This makes the CB172E0225KBC an excellent choice for applications that require a temperature range and voltage rating suitable for commercial grade applications.

Working Principle of CB172E0225KBC

The CB172E0225KBC is a non-polarized film capacitor. This capacitor operates on the principle of electro-static field. A thin, uniform layer of polyester film is sandwiched between two electrodes. When an alternating voltage is applied across the electrodes it creates an electric field across the film. This electric field charges the capacitor by creating electro-static fields that attract electric charges of opposite polarity to the faces of the electrodes.

When the voltage is removed, the electric charge stored in the capacitor is gradually bled off. This discharge of electric current is known as the leakage current. This leak current occurs mainly due to the fact that the dielectric material of the capacitor is slightly ohmic in nature. The higher the capacitance of the capacitor, the greater the capacitance and hence the greater the leakage current.

The CB172E0225KBC is also a temperature stable film capacitor. This ensures that the characteristics of the film capacitor remain consistent over a wide temperature range. This makes it suitable for applications that require a stable performance in temperature sensitive environments.

Conclusion

The CB172E0225KBC is a film capacitor designed for commercial grade applications. It is suitable for use in many applications that require reliability and high performance, such as power supplies, motor controllers and industrial equipment. The CB172E0225KBC has a temperature range of -25°C to +125°C and is UL Certified and RoHS Compliant. The working principle of this capacitor is based on the electro-static field created between two electrodes, which stores electric charge. This makes it a temperature stable film capacitor suitable for temperature sensitive applications.