UHV1A122MPD

Polarization:	Polar
Package / Case:	Radial, Can
Mounting Type:	Through Hole
Surface Mount Land Size:	--
Height - Seated (Max):	0.689" (17.50mm)
Size / Dimension:	0.394" Dia (10.00mm)
Lead Spacing:	0.197" (5.00mm)
Impedance:	30 mOhms
Ripple Current @ High Frequency:	1.65A @ 100kHz
Ripple Current @ Low Frequency:	990mA @ 120Hz
Applications:	General Purpose
Ratings:	--
Series:	UHV
Operating Temperature:	-40°C ~ 105°C
Lifetime @ Temp.:	6000 Hrs @ 105°C
ESR (Equivalent Series Resistance):	--
Voltage - Rated:	10V
Tolerance:	±20%
Capacitance:	1200µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Aluminum Electrolytic Capacitors: UHV1A122MPD Application Field and Working Principle

Aluminum electrolytic capacitors are a type of electrochemical capacitor which is widely used in a variety of consumer electronics products due to their low cost, high capacitance and long-term reliability. The UHV1A122MPD is a series of aluminum electrolytic capacitors, which are designed for use in the power-driven permanent-magnet electric motors. This type of capacitor offers a wide variety of features and can be used in a wide range of electrical systems.

Description and Application

The UHV1A122MPD aluminum electrolytic capacitors are a series of single-ended aluminum electrolytic capacitors designed for use in electrical systems requiring power conversion, DC supply regulation, and voltage stabilization. They provide high current capability in low-voltage applications, are designed specifically for the power-driven permanent-magnet electric motors, and are perfect for applications such as low-voltage DC power supplies, AC adapters, battery cells, switching power supplies, and battery chargers. These capacitors are rated for an operating temperature range of -40°C to 125°C and have an insulation resistance of >100MΩ, making them suitable for a wide variety of high-voltage and low-voltage applications. The capacitors are rated to DC 250V and are RoHS compliant, meaning they are safe to use in electro-dynamic applications. The UHV1A122MPD series are available in a variety of sizes, ranging from 2.2μF to 220μF.

Construction and Design

The UHV1A122MPD aluminum electrolytic capacitors are radial leaded devices, featuring a solid aluminum electrolytic capacitor enclosed in a metal case. The aluminum electrolyte is a polarized electrolyte, meaning it contains a positive and negative element. The positive element is composed of aluminum foil and the negative element of graphite, which gives the electrolyte its capacitance. The aluminum electrolyte is encased in a metal case, which allows for better heat dissipation and stabilizes the electrolyte within the device. The case also acts as an electrical shield, preventing electrical interference from reaching the internal components. The aluminum electrolyte is insulated with a layer of polypropylene film, which gives it its induction capability. Finally, the capacitor is sealed with a metal shell, ensuring that the internal components are safe and secure.

Working Principle and Benefits

Aluminum electrolytic capacitors, such as the UHV1A122MPD series, work on the principle of electrochemistry. In an aluminum electrolytic capacitor, a voltage is applied, which causes the electrons to move between the two electrodes (positive and negative). This causes the aluminum atoms to separate, releasing the electrons in the metal and allowing them to move freely. The free electrons are then attracted to the negative end of the capacitor, while the positive end is left with a net positive charge. This creates a capacitor, which is able to store a charge and discharge it at a later time. Aluminum electrolytic capacitors provide a number of benefits in terms of performance and reliability. They have a much higher capacitance in a much smaller package, with lower leakage currents and longer lifespans due to their lower internal resistance. Additionally, they have a low ESR (Equivalent Series Resistance), allowing for better energy conversion. Overall, aluminum electrolytic capacitors, such as the UHV1A122MPD, are a highly efficient, reliable and cost-effective solution for low-voltage DC power supplies, AC adapters, battery cells, switching power supplies, and battery chargers.

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