UHE2A181MHD6

Polarization:	Polar
Package / Case:	Radial, Can
Mounting Type:	Through Hole
Surface Mount Land Size:	--
Height - Seated (Max):	0.591" (15.00mm)
Size / Dimension:	0.709" Dia (18.00mm)
Lead Spacing:	0.295" (7.50mm)
Impedance:	120 mOhms
Ripple Current @ High Frequency:	1.03A @ 100kHz
Ripple Current @ Low Frequency:	721mA @ 120Hz
Applications:	General Purpose
Ratings:	--
Series:	UHE
Operating Temperature:	-40°C ~ 105°C
Lifetime @ Temp.:	10000 Hrs @ 105°C
ESR (Equivalent Series Resistance):	--
Voltage - Rated:	100V
Tolerance:	±20%
Capacitance:	180µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Aluminum electrolytic capacitors are common and widely used components found in many electronics devices for a variety of applications, such as storage and power supply. They are also used for filtering, buffering and decoupling. The UHE2A181MHD6 is an example of an aluminum electrolytic capacitor, and its field of application and working principle will be explored in this article.The UHE2A181MHD6 is designed to feature a low equivalent series resistance (ESR) with minimal leakage current requirements. Its main application is as a power supply device in power electronics equipment, such as switching power supplies, motor drives, and other electronic products which require a high current level.The UHE2A181MHD6 is designed with an electrolyte containing a combination of water and ethylene glycol, acting as the medium between two electrodes. These electrodes are usually made of aluminum foil as the cathode, and aluminum oxide as the anode. The electrodes are separated by a glass fibre or paper separator. The values for capacitance, voltage, current and temperature are marked on the exterior of the capacitor.To make a capacitor, two electrodes are necessary, one with a higher potential than the other. When a voltage is applied across its leads, the two electrodes of a capacitor become electrically charged. The electrode that is charged with negative voltage develops a negative layer of electrons. The other electrode will be charged with a positive potential and attract the electrons from the negative layer, creating a layer of positive charges.The space between the two electrodes inside the capacitor acts as an insulating layer and stops the electrons from flowing freely between them. This is where the energy storing effect of a capacitor can be seen, as the energy stored in the capacitor is not liberated until the voltage applied to it is higher than the voltage that could be stored.The main function of the UHE2A181MHD6 is to store energy, such as transients, that would otherwise be dissipated through the load. It can also be used in conjunction with other components, such as inductors, to form low-pass filters, which are used to reduce the level of unwanted high-frequency noise.This capacitor has impressive performance characteristics, as it provides stable performance even at an extended temperature range of -55°C to +105°C. It is also highly tolerant against vibrations and shock, making it suitable for industrial applications. Moreover, its anode contributes to a longer product lifetime, which makes it highly reliable in terms of operation and maintenance.To summarize, the UHE2A181MHD6 is an aluminum electrolytic capacitor suitable for power electronics applications, specifically those involving transients or load-driving requirements. Its low ESR and temperature range makes it suitable for industrial applications, while its anode contributes to a longer product lifetime. It is able to reduce the level of unwanted high-frequency noise when used in conjunction with other components.

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