ECA-1HM330B

Series:	M
Packaging:	Tape & Box (TB)
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Capacitance:	33µF
Tolerance:	±20%
Voltage - Rated:	50V
ESR (Equivalent Series Resistance):	--
Lifetime @ Temp.:	2000 Hrs @ 85°C
Operating Temperature:	-40°C ~ 85°C
Polarization:	Polar
Ratings:	--
Applications:	General Purpose
Ripple Current @ Low Frequency:	110mA @ 120Hz
Ripple Current @ High Frequency:	187mA @ 10kHz
Lead Spacing:	0.197" (5.00mm)
Size / Dimension:	0.197" Dia (5.00mm)
Height - Seated (Max):	0.472" (12.00mm)
Surface Mount Land Size:	--
Mounting Type:	Through Hole
Package / Case:	Radial, Can

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Aluminum Electrolytic Capacitors

An aluminum electrolytic capacitor (Al-cap) is a polarized, modern capacitor with a solid electrolyte that has an anode made entirely of aluminum. These capacitors are the most common type of electrolytic capacitor in use today and provide a high capacitance to volume ratio. They are used in a variety of electronic applications and have a long list of advantages.The ECA-1HM330B is an aluminum electrolytic capacitor from Epcos AG that is commonly used in signal processing and power supply applications. This capacitor is non-polarized, has a voltage rating of 350V, and a capacitance of 330 µF. It is ideal for applications that require greater reliability and better self-healing capabilities such as in capacitor banks in inverters and DC link capacitors.

Application Field

The ECA-1HM330B is a popular aluminum electrolytic capacitor with a wide range of application fields. This capacitor is used in a variety of DC/AC power supplies, inverters, uninterruptible power supplies(UPS), switching power supplies, low-power motor drives and solar inverters, etc. The ECA-1HM330B is a high-performance capacitor that is designed to provide reliable and long-lasting performance even in the toughest industrial application environments.In addition to its use in power supplies, the ECA-1HM330B is also used in many other applications such as medical imaging, telecoms, LED lighting, server power supplies, and so on. They are also commonly used as energy storage elements in electronic circuits as they can provide high ripple currents at frequencies up to 1MHz.

Working Principle

The basic mechanism of an aluminum electrolytic capacitor is the same as that of a traditional capacitor – the anode and cathode plates are separated by a dielectric layer. The dielectric material in the ECA-1HM330B is an aluminum oxide film which acts as the primary insulator between the plates. This film helps to maintain the required insulation resistance between the plates even at high ripple currents.When a DC voltage is applied across the electrodes of the capacitor, the oxide film gets polarized leading to the displacement of ions which form a storage space (electron-hole pairs) between the two plates. This results in a capacitance increase by reducing the equivalent oxide film thickness.The electrolytic capacitor also has a feature called the “self-healing” effect. This happens when the capacitor is subjected to higher currents than it can handle. The higher current causes the aluminum oxide film to break down and form bubbles on the surface of the capacitor which pushes the electrolyte away from the cathode. This releases the trapped charge and reduces the capacitance slowly.The ECA-1HM330B is an advanced aluminum electrolytic capacitor that is designed for reliable and long-term performance. Its wide application field, high capacitance to volume ratio, and self-healing feature make it an ideal choice for many industrial applications that require higher levels of reliability and performance.

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