UPJ1E121MED1TD Capacitors

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Aluminum electrolytic capacitors are used to store electrical energy and comprise of two plates separated by a layer of insulating material, known as the dielectric which can be either solid or liquid. Aluminum electrolytic capacitors consist of three elements: an anode, a cathode and a dielectric. The anode is usually a thin aluminum foil with an oxidized surface, while the cathode is usually aluminum or a highly conductive material. The dielectric separates these two elements, allowing the capacitor to hold a charge once the voltage reached a certain level. In some applications, a reservoir of liquid electrolyte can also be included in between the anode and the cathode to increase the capacitance.

The UPJ1E121MED1TD is one particular type of aluminum electrolytic capacitor and is designed for high current applications and for the smoothing of ripple voltage. It is an axial-leaded, multipolar capacitor constructed with an electrolytic aluminum FO-AAS casing. The UPJ1E121MED1TD features a rated voltage of 450V, a rated ripple current of 6A, an operating temperature range from -40°C to +105°C and has a capacitance of 1210µF. The UPJ1E121MED1TD has an endurance of 3000 hours at 105°C and an insulation resistance of 5000MΩ.

The UPJ1E121MED1TD is ideal for use in power electronic applications, including switching power supplies, AC adaptors and LED ballast power supplies. It is designed to provide efficient filtering and stability, allowing for a regulated output voltage that is free from fluctuations, while also providing protection against short-circuits. The UPJ1E121MED1TD also helps to reduce EMI (electromagnetic interference), letting audio and control systems operate more smoothly and reliably. Additionally, it is also suitable for use in audio-visual equipment, industrial equipment, electronic toys and other electronic applications.

As an aluminum electrolytic capacitor, the UPJ1E121MED1TD works by storing energy in a capacitor that is generated by an electric potential applied across the plates. When the potential is removed and discharged either slowly or quickly depending on the application, the capacitor releases its stored energy. The stored electrical energy dissipates as heat, which explains why the UPJ1E121MED1TD must meet certain thermal requirements in order to guarantee its performance. The higher the capacitance, the more energy it can store, and the larger the dielectric, the more capacitance can be achieved.

In conclusion, the UPJ1E121MED1TD is a type of aluminum electrolytic capacitor designed for high-current applications and voltage smoothing of ripple voltage. It is rated for a voltage of 450V, a ripple current of 6A, an operating temperature range of -40°C to +105°C and has a capacitance of 1210µF. The UPJ1E121MED1TD is designed for power electronic applications, including switching power supplies, AC adaptors and LED ballast power supplies, and also provides EMI protection and helps to reduce fluctuations in voltage. It is ideal for use in audio-visual equipment, industrial equipment, electronic toys and other electronic applications. The UPJ1E121MED1TD works by storing electrical energy that is generated by an electric potential between the two plates, and releasing it when the potential is removed.

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