ULD2D8R2MPD

Polarization:	Polar
Package / Case:	Radial, Can
Mounting Type:	Through Hole
Surface Mount Land Size:	--
Height - Seated (Max):	0.433" (11.00mm)
Size / Dimension:	0.315" Dia (8.00mm)
Lead Spacing:	0.138" (3.50mm)
Ripple Current @ High Frequency:	125.4mA @ 100kHz
Ripple Current @ Low Frequency:	66mA @ 120Hz
Applications:	General Purpose
Ratings:	--
Series:	ULD
Operating Temperature:	-40°C ~ 105°C
Lifetime @ Temp.:	12000 Hrs @ 105°C
ESR (Equivalent Series Resistance):	--
Voltage - Rated:	200V
Tolerance:	±20%
Capacitance:	8.2µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Aluminum electrolytic capacitors are a type of capacitor consisting of two aluminum foils, an insulating paper separator, and an electrolyte. These capacitors are among the most widely used types for many consumer electronic products due to their low cost and large size. They are most commonly used for power supplies, signal filtering, and timing circuits. An aluminum electrolytic capacitor is usually identified with a series of numbers and letters which indicate the capacitor\'s type and maximum specific voltage rating. One of the most common types is the ULD2D8R2MPD aluminum electrolytic capacitor.

ULD2D8R2MPD application field and working principle

The ULD2D8R2MPD aluminum electrolytic capacitor is used in various fields, such as power supplies, signal filtering, and timing circuits. It is one of the most commonly used aluminium electrolytic capacitors because of its low cost and large size. The ULD2D8R2MPD aluminum electrolytic capacitor is mainly composed of a case, an internal electrode made of aluminum foil, a diaphragm made of insulating paper, and an electrolyte.The working principle of an aluminum electrolytic capacitor is based on the principle of an electrolytic cell. The aluminum electrolytic capacitor has two electrodes: the anode and the cathode. The anode of the capacitor is made of a porous aluminum foil that is coated with an oxide film, while the cathode is made of the electrolyte. When a voltage is applied across the anode and the cathode, a reaction between the electrolyte and the oxide film occurs, resulting in the formation of an oxide layer on the surface of the anode. This oxide layer has a large surface area and acts as an insulator, preventing the flow of electric current through the cell. This oxide layer also has the property of capacitance, which makes the aluminum electrolytic capacitor capable of storing energy.The capacitance of the ULD2D8R2MPD aluminum electrolytic capacitor is proportional to the area of the oxide layer and the distance between the electrodes. It also depends on the temperature, frequency, and capacitance of the electrolyte. As the temperature increases, the capacitance of the capacitor decreases; as the frequency increases, the capacitance of the capacitor increases; and as the capacitance of the electrolyte increases, the capacitance of the capacitor decreases.The ULD2D8R2MPD aluminum electrolytic capacitor has a maximum specific voltage rating of 1600 volts. This means that these capacitors can withstand up to 1600 volts of electrical potential applied across its electrodes. The maximum working voltage is typically set at a value lower than the maximum voltage rating to ensure safety and reliability. These capacitors have a very long life expectancy of between 1000 and 3000 hours, depending on the environment. They are typically used in applications where high temperatures and long time periods are encountered such as in power supplies and electrolytic capacitors.The ULD2D8R2MPD aluminum electrolytic capacitor has a low equivalent series resistance (ESR), which helps reduce ripple current, electrical noise, and power dissipation. It also has a high capacitance-to-volume ratio, which means it can store more energy in a smaller size. The high capacitance also helps reduce the size of the circuit, making it more efficient and easier to integrate into a circuit.
In conclusion, the ULD2D8R2MPD aluminum electrolytic capacitor is an ideal choice for applications requiring a low cost and large size device. It has a high capacitance-to-volume ratio, a low equivalent series resistance, and a long life expectancy, making it a reliable choice for many electronic products.

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