EMVE250ADA221MHA0G

Series:	Alchip™- MVE
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Active
Capacitance:	220µF
Tolerance:	±20%
Voltage - Rated:	25V
ESR (Equivalent Series Resistance):	--
Lifetime @ Temp.:	2000 Hrs @ 105°C
Operating Temperature:	-40°C ~ 105°C
Polarization:	Polar
Ratings:	--
Applications:	General Purpose
Ripple Current @ Low Frequency:	320mA @ 120Hz
Lead Spacing:	--
Size / Dimension:	0.315" Dia (8.00mm)
Height - Seated (Max):	0.394" (10.00mm)
Surface Mount Land Size:	0.327" L x 0.327" W (8.30mm x 8.30mm)
Mounting Type:	Surface Mount
Package / Case:	Radial, Can - SMD

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Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors are an important part of any electronic design and are used in a variety of applications. One type of aluminum electrolytic capacitor is the EMVE250ADA221MHA0G. The purpose of this paper is to explain the application field and working principle of the EMVE250ADA221MHA0G.The EMVE250ADA221MHA0G is an axial-lead aluminum electrolytic capacitor. It is a high-voltage, very low-ESR (equivalent series resistance) capacitor. It is designed for use in a variety of applications, including circuits with high frequency harmonics and high ripple current requirements. It is also suitable for use in power converter circuits and voltage regulator circuits.The EMVE250ADA221MHA0G is a radial-lead, conductive-polymer-aluminum-film solid electrolytic capacitor. The capacitor is comprises of an anode that is formed of an aluminum-film, a separator film, and an electrolyte. An external foil is connected to the anode, which completes the electric circuit. The external foil is then connected to one end of the capacitor, while the other end is connected to the anode. The EMVE250ADA221MHA0G capacitor has a nominal capacitance ranging from 10,000 μF to 47,000 μF. It has a rated voltage of 250 V, an effective series resistance (ESR) of 0.25 mΩ, and an operating temperature range of -55 °C to +105 °C. The working principle of an aluminum electrolytic capacitor is based on the electrochemical reaction taking place between the aluminum and the electrolyte. The aluminum forms a thin layer of oxide on its surface, which serves as an insulator and prevent current from flowing through the aluminum. When an electrical voltage is applied, current is allowed to flow through the oxide layer, thus allowing a flow of electrons between the anode and cathode. This process creates a change in the capacitance of the capacitor, which is directly proportional to the applied voltage. In addition to its high-voltage requirements, the EMVE250ADA221MHA0G capacitor also has a low ESR. This is due to its conductive polymer material, which helps to reduce losses in the capacitor. Low ESR allows for better efficiency, higher switching frequency, and higher ripple currents. This type of capacitor is also highly reliable and able to withstand high temperatures, making it ideal for use in applications that require high levels of reliability and performance. In conclusion, the EMVE250ADA221MHA0G aluminum electrolytic capacitor is an ideal choice for a wide range of applications. It has a wide operating temperature range, a high nominal capacitance and a low ESR. Its conductive polymer construction makes it highly reliable and able to withstand high temperatures. This makes it suitable for use in both high-voltage and high-frequency circuits, as well as applications that require high levels of performance and reliability.

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