155PSB122K4J

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Film capacitors are one of the most widely used types of electric components, and come in many varieties, making them ideal for an array of applications. One of these is the 155PSB122K4J, a polypropylene film capacitor with a subminiature design that provides high performance in a small space. This article will explain the application field and working principle of the 155PSB122K4J.

The 155PSB122K4J is designed for use as a signal coupling capacitor in audio circuit applications, as well as in coupled filters used in low frequency power supply routing. With its subminiature form, the component provides a much higher capacitance in a smaller space than other capacitors, making it an ideal choice when space is at a premium. The 155PSB122K4J is also popularly used in automotive audio filters and other low-power applications.

The working principle behind the 155PSB122K4J is essentially the same as other film capacitors; it relies on two thin layers of metal film with an insulating layer (dielectric) between them. This form of capacitor is an excellent choice for AC circuits due to its superior high-frequency and transient characteristics, with a highly stable capacitance over the range of AC frequencies. For DC circuits, the device also performs well, due to its low ESR (equivalent series resistance) and impressive load life characteristics.

The 155PSB122K4J is available in various sizes, from 1.0uF to 47uF, and features a wide operating temperature range from -25°C to +85°C. It also offers a wide range of capacitance tolerances from ±1% to ±20%. Its team of high-quality components, combined with its suitability for a huge range of applications, make the 155PSB122K4J a great choice for any electrical system.

In conclusion, the 155PSB122K4J is a polypropylene film capacitor with a subminiature design, ideally suited for signal coupling and low-frequency power supply routing. Its wide capacitance range, impressive capacitance tolerance, wide operating temperature range, and lower ESR than other capacitors make it an excellent choice for a wide variety of applications. With so many features, the 155PSB122K4J has become a popular component in electronic components.

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