B25620B1197K982

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Film capacitors are a broad category of capacitors that use a plastic film as its dielectric medium. The B25620B1197K982 is a type of film capacitor, specifically designed for a wide range of electronic applications. Here, we\'ll discuss the main characteristics of the B25620B1197K982, along with its application field and working principle.

B25620B1197K982 Characteristics

This type of capacitor is composed of two sputtered metal electrodes and two layers of dielectric materials. The sputtered metal electrodes provide superior electrical insulation and stable performance when compared to other capacitors. These metal electrodes are corrosion-resistant and can withstand temperatures up to 125 °C. The dielectric layer is composed of polyethylene terephthalate (PET) film or polyethylene-naphthalate (PEN) film. This dielectric material provides superior dielectric strength and excellent insulation properties.

The B25620B1197K982 has a low-voltage DC rating of up to 160 VDC, and a high-voltage DC rating of up to 500 VDC. Its capacitance range is from 0.047 to 4.7 µF, with a maximum capacitance change of 0.5% at +125 °C. In addition, it has a ripple current rating of up to 1.05 A. The capacitor also has a self-healing property, which means that if there is a fault, the capacitor will repair itself, thus ensuring a long lifespan.

Application Fields

The B25620B1197K982 can be used in a variety of electronic applications, such as frequency filters, resonators, decoupling, bypass, power supply, amplifier circuits, and timing circuits. This capacitor is ideal for AC-DC and DC-DC converters, motor drives, and other precision power electronics. It can also be used in applications such as switching power supplies, motor controllers, UPS, and industrial drives.

Moreover, this capacitor is suitable for automotive applications that require reliable performance, such as engine control systems, air conditioning, fuel injection, and powertrain control. It is also suitable for low-frequency LVDS transmissions, clock buffers, and signal line matching. In addition to that, it can be used in consumer electronics, such as digital cameras, mobile phones, and portable gaming devices.

Working Principle

The working principle of the B25620B1197K982 is similar to other film capacitors. Under an applied voltage, the dielectric film stores electrical energy in its surrounding capacitance field. This stored energy is released when the applied voltage is removed, and is used to supply the circuit. This mechanism is known as capacitive coupling, and it plays a vital role in preventing signal distortion.

The two sputtered metal electrodes of the capacitor provide superior electrical insulation and stable performance. This mechanism helps protect the capacitor from damage due to excessive current or voltage. In addition, the self-healing property of the B25620B1197K982 ensures that the performance of the capacitor remains unaffected even if it is exposed to excessive temperatures or currents.

Conclusion

The B25620B1197K982 is a type of film capacitor specifically designed for a wide range of electronic applications. It has a low-voltage DC rating of up to 160 VDC, and a high-voltage DC rating of up to 500 VDC. Its capacitance range is from 0.047 to 4.7 µF, and it has a ripple current rating of up to 1.05 A. The capacitor is suitable for AC-DC and DC-DC converters, motor drives, and other precision power electronics, as well as automotive applications, consumer electronics, and low-frequency LVDS transmissions. The working principle of the B25620B1197K982 is based on capacitive coupling.

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