UPM1A101MED

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Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors are passive electronic components for storing energy in an electric field and come in various shapes and sizes depending on their application. The UPM1A101MED is an axial-lead aluminum electrolytic capacitor, which, due to its low equivalent series resistance (ESR), is primarily used in high frequency applications, such as power supplies and switching circuits.

Application Field of UPM1A101MED

The UPM1A101MED aluminum electrolytic capacitor has a wide range of applications and it is used in many different types of devices. The capacitor\'s low ESR makes it ideal for applications requiring high frequency filtering and transients, such as switching power supplies, audio amplifiers, and video switching. Additionally, the capacitor can be used as a bypass capacitor for various noise filtering circuits and in the power supply of various electronic devices.

Working Principle

The working principle of an aluminum electrolytic capacitor is based on the law of electrostatics, which states that energy can be stored by placing two conducting plates on opposite faces of a dielectric material and applying a voltage between the two. The UPM1A101MED aluminum electrolytic capacitor consists of two aluminum foils separated by an electrolyte-soaked paper, in order to create an electric field between the plates. This electric field creates an electric dipole, which is able to store energy in the electric field.

Capacitance and Voltage

The capacitance of an aluminum electrolytic capacitor is determined by the area of the plates, the distance between them, and the permittivity of the dielectric material separating them. The UPM1A101MED aluminum electrolytic capacitor has a capacitance of 100 μF and a rated operating voltage of 50V. The rated operating voltage of the capacitor is the maximum voltage that can be applied to the capacitor without causing permanent damage.

Lifetime and Temperature

The lifetime of an aluminum electrolytic capacitor is affected by temperature and voltage. The UPM1A101MED aluminum electrolytic capacitor has a rated lifetime of 5000 hours at 85°C, and 3000 hours at 105°C. This means that if the operating temperature of the capacitor is above 85°C, its lifetime will be reduced. Additionally, if the operating voltage of the capacitor is greater than the rated voltage, its lifetime will also be reduced.

Conclusion

In conclusion, the UPM1A101MED aluminum electrolytic capacitor is used for applications requiring high frequency filtering and transients. The capacitor consists of two aluminum foils separated by an electrolyte-soaked paper, which creates an electric field between the plates. This electric field stores energy, which is determined by the area of the plates, the distance between them, and the permittivity of the dielectric material separating them. Additionally, the capacitor has a rated operating voltage of 50V and a lifetime of 5000 hours at 85°C, and 3000 hours at 105°C.

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