B32231D3105M000

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Film capacitors are one of the most widely used types of capacitors in the industry due to their excellent electrical and mechanical characteristics, and B32231D3105M000 is a classic example. It is typically used in frequency selection, strays filtering, power factor correction, and as suppressors for lightning surge protection and EMI applications.

Capacitance and Tolerance

The B32231D3105M000 has an operating capacitance of 3100pF at a rated working voltage of 5V. It also features a rated tolerance of ±20%.

Dielectric Strength and Working Temperature

The dielectric strength of the B32231D3105M000 is rated at at least 400V DC and includes an operating temperature range of -40 to +85℃.

Package Configurations

The B32231D3105M000 is available in two package configurations: surface-mount and through-hole. The SMD version measures 2.5x1.0mm, and the through-hole version has a dimension of 2.5x3.5x9.2mm.

Application Field and Working Principle

Film capacitors are typically used in high-frequency AC circuits and are anything but new. They are also frequently used in audio electronics, DC-link circuits, power supplies, and protection circuits to reduce the amount of electrical noise and interference present in the system. Film capacitors are preferred to other capacitor technologies, like electrolytic capacitors, due to their superior temperature and voltage stability, as well as their low inductance parameters.

The B32231D3105M000, like all other capacitors, has two plates, with an insulating material, in this case a film, in between them. This construction creates a structure where two conductors of the same kind are separated by an insulation layer, which forms a dielectric, thus forming a capacitor. The two plates (or electrodes) are connected to two external electrical terminals. When voltage is applied, negative charges will accumulate on one of the plates and the positive charges on the other. This separation creates an electrical field created by the dielectric material that opposes the applied voltage, and affects the overall current of the device.

Conclusion

The B32231D3105M000 is a film capacitor with a rated capacitance of 3100pF at a rated working voltage of 5V and an operating temperature range of -40 to +85℃. It is typically used in frequency selection, strays filtering, power factor correction, and as suppressors for lightning surge protection and EMI applications. Film capacitors are preferred due to their low inductance parameters and their superior temperature and voltage stability when compared to electrolytic capacitors.

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