21FD3704A-F

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Film capacitors, also known as plastic film capacitors, are made of plastic film impregnated with carbon and a metal foil. They are very widely used in professional audio equipment and electronic devices due to their low cost, low dielectric dissipation, long life expectancy, and high performance.

The 21FD3704A-F film capacitor is one of the most popular capacitors available. It is a miniature, non-polarized film capacitor. It uses polypropylene film, which is an insulating material that has excellent electrical, thermal, and chemical properties. The capacitor is designed with electrodes on both sides of the polypropylene film and is sealed with a stainless steel case for durability.

The 21FD3704A-F is a great choice for many applications, including AC and DC motors, medical devices, instrumentation, and consumer electronics. Due to its small size, it is perfect for applications with limited space. It is also designed with an ultra-low ESR (Equivalent Series Resistance), making it suitable for high-frequency circuits.

The 21FD3704A-F capacitor is a non-polarized capacitor, meaning it does not require a polarity. This makes it easy to use in various designs and use cases. Additionally, its high capacitance values, low equivalent series resistance, and long life expectancy make it a great choice for a wide range of uses.

The working principle of the 21FD3704A-F is based on the basic principles of electrostatic capacitance. When a voltage is applied to the two electrodes, a charge will be stored on one side and a corresponding charge will be stored on the other. This electric field between the two electrodes creates a capacitance. This capacitance is a function of the distance between the two electrodes and the surface area of the electrodes, and can be adjusted by changing the distance between the electrodes.

The 21FD3704A-F is also designed with a low equivalent series resistance (ESR). ESR is the internal resistance of a capacitor, and is often referred to as "dissipation factor" or "power factor". This is important when using the capacitor for high-frequency or fast pulse applications, as lower ESR values can help reduce losses and distortion in these applications.

The 21FD3704A-F film capacitor is an excellent choice for many applications due to its small size, low cost, long life expectancy, low ESR values, and high capacitance values. It is a great choice for AC and DC motors, medical devices, instrumentation, and consumer electronics, as well as for many other applications. Its small size and its non-polarized characteristics make it easy to use in limited spaces, and its low ESR values make it an ideal choice for high-frequency and pulse applications.

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