ECA-1EHG221

Polarization:	Polar
Package / Case:	Radial, Can
Mounting Type:	Through Hole
Surface Mount Land Size:	--
Height - Seated (Max):	0.492" (12.50mm)
Size / Dimension:	0.315" Dia (8.00mm)
Lead Spacing:	0.138" (3.50mm)
Ripple Current @ High Frequency:	345mA @ 100kHz
Ripple Current @ Low Frequency:	230mA @ 120Hz
Applications:	General Purpose
Ratings:	--
Series:	NHG
Operating Temperature:	-55°C ~ 105°C
Lifetime @ Temp.:	1000 Hrs @ 105°C
ESR (Equivalent Series Resistance):	--
Voltage - Rated:	25V
Tolerance:	±20%
Capacitance:	220µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Aluminum Electrolytic Capacitors: ECA-1EHG221 Application Field and Working Principle

Aluminum electrolytic capacitors are one of the most widely used capacitor components in electronics engineering. They are typically used for energy storage, signal filtering, signal bypass, and noise suppression, in both commercial and industrial applications. The ECA-1EHG221 capacitor is a radial leaded aluminum electrolytic capacitor with a relatively high capacitance density and long-term reliability. This article will discuss its application field and working principle.The ECA-1EHG221 capacitor is suitable for a wide range of applications, including motor drives, LED lighting, and audio systems. It can be used as an energy storage capacitor, signal filtering capacitor, signal bypass capacitor, or noise suppression capacitor, providing reliable and long-term performance. The ECA-1EHG221 capacitor is also ideal for power supply and pulse power applications, thanks to its low electrical resistance and superior thermal stability.The working principle of ECA-1EHG221 is based on electrolyte polarization. The capacitor consists of a pair of aluminum plates, separated by a thin insulating film (electrolyte), and a liquid electrolyte, typically a solution of boric acid. When an electrical charge is applied to the capacitor, the electrolyte polarizes and the capacitance increases, allowing the ECA-1EHG221 capacitor to store energy. In the case of a radial leaded aluminum electrolytic capacitor, the anode and cathode layers are separated by a diaphragm made of solid material, allowing it to withstand higher voltage and power levels. The electrolytic solution inside the capacitor also prevents dendritic growth, which can cause short-circuiting of the capacitor. Due to its high capacitance density and relatively low internal resistance, the ECA-1EHG221 capacitor is considered to be a high-performance component. Additionally, its long-term reliability makes it an ideal choice for many industrial and commercial applications requiring longterm performance. The ECA-1EHG221 capacitor also features a high temperature stability, making it suitable for use in demanding environments.To sum up, the ECA-1EHG221 capacitor is a radial leaded aluminum electrolytic capacitor that is suitable for a wide range of applications, such as motor drives, LED lighting, and audio systems. Its working principle is based on electrolyte polarization, and it has a high capacitance density and low internal resistance, making it a high-performance component. Moreover, its long-term reliability and high temperature stability make it well suited for demanding applications.

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