UPW2A181MHH

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

Aluminum electrolytic capacitors, such as the UPW2A181MHH, are widely used in a variety of applications. These types of capacitors are constructed with an anode that is composed of aluminum foil with an etched surface. The anode is coated with a thin layer, usually composed of metal oxide, which acts as the dielectric. The second component of an electrolytic capacitor is a liquid electrolyte, typically containing sulfuric acid, which serves as the second conductor. This unique combination of components allows aluminum electrolytic capacitors to operate at much higher voltage ratings than many other types of capacitors.

By nature, aluminum electrolytic capacitors are polar devices, meaning that they have an anode and cathode, with the anode always needing to be connected to the positive source of potential and the cathode to the negative source. They also tend to have higher physical sizes than many other types of capacitors, making them more suited for applications requiring higher capacitance values or higher voltage ratings. The UPW2A181MHH is a particular type of aluminum electrolytic capacitor that is capable of withstanding large AC ripple currents. This makes them suitable for applications where heavy duty, high-frequency filtering is important.

The UPW2A181MHH device has several advantages compared to other types of capacitors, such as the ability to handle high voltages, high capacitance and high temperatures. The aluminum electrolyte is extremely stable in the presence of temperatures up to a certain point, which makes the electronics contained inside the device protected. Furthermore, the UPW2A181MHH is resistant to environmental influences, shock and vibration, and has a high life expectancy.

One of the main applications where the UPW2A181MHH is useful is in power supplies or in power converters, such as switched mode power supplies (SMPS) and uninterruptible power supplies (UPS). The large capacitance allows the device to store a lot of power, handling large AC ripple currents without any problems. Furthermore, the increased voltage rating allows it to cope with surges and spikes in the power supply. When used in power supplies, aluminum electrolytic capacitors like the UPW2A181MHH can also act as a low-pass filter, reducing any high-frequency noise that may be present in the power supply.

The working principles of the UPW2A181MHH are relatively straightforward. When a potential is applied between the anode and cathode, the oxide layer on the anode acts as a dielectric, increasing the charge stored on the capacitor. As the charge build-up increases, an electric field is established in the oxide layer, causing an increase in capacitance. This increase in capacitance allows the device to store more charge, thus allowing it to handle higher voltages and currents. As the potential between the anode and cathode is increased, the capacitance decreases until it reaches a certain point, known as the cut-off voltage of the device. The cut-off voltage of the UPW2A181MHH is 135V.

In summary, the UPW2A181MHH aluminum electrolytic capacitor is able to handle high voltages, high temperatures and large AC ripple currents, making it an ideal choice for applications where power supplies or power converters are used. Its ability to withstand high temperatures and environmental influences makes it suitable for use in extreme conditions, while its working principle is relatively easy to understand, with the capacitance increasing as the voltage applied to the anode and cathode increases up to the cut-off voltage of the device.

The specific data is subject to PDF, and the above content is for reference