461M30691-143

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Film capacitors are one type of capacitor often used in analog and digital circuits for various purposes, such as power supply filtering or coupling/decoupling between stages. They provide excellent thermal stability and high reliability compared to other types of capacitors, and their size is much smaller than for electrolytic capacitors.

461M30691-143 Application Field and Working Principle

461M30691-143 is one of the most popular film capacitors on the market. It is a metallized polypropylene film capacitor. This type of capacitor is usually designed for use in pulse width modulated switching power supplies and is available in both radial and axial lead designs. The typical capacitance range for this particular type is from 0.1 to 1.0 microfarads (μF).

The principle of operation of the 461M30691-143 is simple - electric charge is stored in two metalized layers of polypropylene film which are separated by an insulating layer. It is able to withstand high voltage spikes which makes it ideal for applications which require a large working voltage and/or high surge current protection.

In its operation, the film capacitor tends to have a very low ESR (Equivalent Series Resistance) value, compared to other capacitors which makes it suitable for high frequency applications. Additionally, it offers high insulation resistance and can withstand high temperature without breaking down. This feature makes it suitable for use in automotive applications.

This particular type of capacitor is also very popular in the fields of industrial electronics, medicine, and telecommunications. Its low size and lightweight construction make it ideal for applications with tight spaces. Additionally, its short-term stability is improved when higher-rated values are used.

Some of the most common applications for the 461M30691-143 include use in pulse width modulated (PWM) switching power supplies for computer peripherals, energy conservation devices, and automotive electronics. It is also used in industrial applications such as alternative energy and electric vehicles. Additionally, it has been used in snubber capacitors and in filters for radio frequency interference (RFI) suppression.

In summary, the 461M30691-143 is an excellent choice for many applications due to its small size, high insulation resistance level, and low ESR. Its ability to withstand high temperatures and voltage spikes makes it suitable for use in tight spaces with high power applications such as automotive electronics and PWM switching power supplies. With its low size and weight, it is ideal for industrial and medical applications as well as for use in radio frequency interference (RFI) suppression.

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