BFC246730103

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Film Capacitors

Film Capacitors, commonly known as polyester film capacitors, are manufactured using paper and polyester film as their dielectric materials.They are enclosed in a rectangular metal or plastic casing and have electrical contacts at each of the two terminals. Film Capacitorsare typically used in analog circuitry such as low-noise filters, time constants, signal coupling, signal bypassing, and voltageprocessing.

The most common type of Film Capacitor is the BFC246730103. This capacitor has a rated voltage of 300VAC and a capacitanceof 100µF. Its dielectric material is a polyester film, making it suitable for higher frequency switching applications. This capacitoralso has a very low equivalent series resistance (ESR) and is capable of handling large current surges. The maximum audiblenoise level for this capacitor is 55dB at 1000Hz.

Application Field

The BFC246730103 is most commonly used in switching power supply circuits and inverter applications. It provides excellentnoise suppression and can easily withstand the high ripple currents associated with such applications. It is also used in motorcontrol circuits, audio circuits, television sets, laser systems, and power controllers. As it has an extremely low ESR and awide range of operating temperatures, it is also well suited for the design of high-precision ADC/DAC circuits.

Working Principle

Film Capacitors work by storing electrical charge on two metal plates separated by a dielectric material. When a voltage is appliedacross the capacitor plates, an electric field forms in the dielectric material between them. This field increases the capacitanceof the capacitor, thereby increasing its storage capacity. When the voltage is removed, the charge stored on the capacitor platesgradually discharges, restoring the capacitor to its original state. The rate at which this discharge occurs depends on thecapacitor’s construction, such as its dielectric material and the size of its plates.

The BFC246730103 has a high insulation resistance, which helps create a secure environment for your circuit by shielding itfrom electromagnetic interference. This capacitor also has a very low dielectric absorption ratio, meaning that it retains itsoriginal capacitance even after being subjected to multiple voltage cycles. Furthermore, this capacitor has a very fast responsetime, making it an ideal choice for high-frequency switching applications.

In summary, the BFC246730103 is a versatile, high-performance Film Capacitor that is commonly used in a variety of analogcircuitry and switching applications. Its low ESR and wide operating temperature range make it an ideal choice for precisionADC/DAC and motor control circuits, while its fast response time and excellent noise suppression capabilities make it well suitedfor a variety of other applications.

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