150273J250BB

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Film Capacitors

Film capacitors or plastic film capacitors are electrical capacitors with a dielectric of polypropylene, polyester, metallized polyester, polycarbonate, polystyrene, or Teflon. They are made by sandwiching a dielectric layer of film between two electrodes and rolling or folding them together in the same housing. Film capacitors are used in various applications, such as energy storage, high frequency filtering, timing circuits, high voltage AC coupling and voltage regulatees.

150273J250BB Application Field and Working Principle

The 150273J250BB is a type of film capacitor manufactured by the Mitchell Capacitors Company. It is commonly used in high frequency power circuitry, like power supplies, DC-DC converters, and switching power supplies. It features a robust plastic casing, high reliability, and low noise characteristics. The built-in metalized layer provides radio frequency (RF) interference suppression and thermal protection.

The 150273J250BB works like any other film capacitor. It is constructed with a dielectric film layer and two metal electrode plates. When an alternating current (AC) passes through it, the electric field between the two electrodes creates an energy storage and a discharge of this stored energy occurs when the current flows in opposite direction. This allows the capacitor to act as a filter, reducing and smoothing sudden electrical surges, while also blocking the passage of direct current.

The 150273J250BB has a capacitance value of 100nF to 220nF and a voltage rating of 250VRMS or 175VDC. It has an insulation resistance rating of 1000MΩ. Its capacitance tolerance is +20%, -10%, and its temperature coefficient is ±30PPM/°C. It is also available with a choice of radial or axial lead configurations.

The 150273J250BB is ideal for use in oscillator, filter, and across-the-line circuits. It can reduce the number of components in a circuit and is relatively cost-effective. It is also used in applications where high temperature is a factor, as it features a superior shield design with a dielectric layer that has a very high temperature coefficient. In addition, it is available with a choice of SMD and through hole configurations. This makes it highly suitable for power supply designs, engine control systems, and other electronic components.

The 150273J250BB is an effective and reliable product for many types of power circuitry. It is easy to use, cost-effective, and perfect for applications that require high temperatures or surge suppression. It is one of the most popular types of film capacitors on the market.

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