Polarization:	Polar
Package / Case:	Radial, Can - Snap-In
Mounting Type:	Through Hole
Surface Mount Land Size:	--
Height - Seated (Max):	1.063" (27.00mm)
Size / Dimension:	0.984" Dia (25.00mm)
Lead Spacing:	0.394" (10.00mm)
Ripple Current @ High Frequency:	1.68A @ 10kHz
Ripple Current @ Low Frequency:	1.2A @ 120Hz
Applications:	General Purpose
Ratings:	--
Series:	TS-HC
Operating Temperature:	-40°C ~ 105°C
Lifetime @ Temp.:	2000 Hrs @ 105°C
ESR (Equivalent Series Resistance):	502 mOhm @ 120Hz
Voltage - Rated:	250V
Tolerance:	±20%
Capacitance:	330µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Obsolete
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors are widely used Passive Components with capacitance ranging from tens of picofarads to tens of microfarads and can be used for long-term applications. The EET-HC2E331JA is an aluminum electrolytic capacitor that is specifically designed for applications such as high-frequency electronic circuits, power supply, automotive electronic control systems, and microelectronics in consumer products.

Applications

The EET-HC2E331JA is ideal for use in applications that require high ripple current levels and high temperature stability. These capacitors offer excellent noise and ESR (Equivalent Series Resistance) performance which is necessary for designers to reduce component count in their designs and provide reliable energy storage solutions. Common applications include power supplies, lighting systems, ballasts, counter-ECU, surge protectors, load switches, and DC/DC converters.

Working Principle

The EET-HC2E331JA capacitor consists of six parts including two layers of an electrolyte, a container, an anode, a cathode, and a sealed cover and also includes additional features such as an insulating pad to separate the anode and the cathode. The EET-HC2E331JA aluminum electrolytic capacitor works similar to other types of capacitors. The electrical charge is stored between two overlapping surfaces on two opposing sides. The two opposing surfaces have different properties that allow electrical charges to flow from one to the other when power is applied.When power is applied, electrons flow through the electrolyte, which is a conductive material. The electrons then travel across the capacitor’s plates and create a current. The current that is generated is then used to perform the desired task. The capacitor will then absorb energy until the two plates are completely charged, and the capacitor will then discharge the energy stored until the plates are completely empty. This cycle will repeat as long as current is applied.

Pro’s & Con’s

The key benefits of aluminum electrolytic capacitors include their very low profile, lightweight, and very high ripple current capabilities allowing them to provide reliable energy storage solutions. Additionally, they offer excellent temperature stability, low ESR, and good electrical characteristics.However, these capacitors have some drawbacks such as their short life span, and low insulation resistance. The life of these capacitors is determined by the quality of the materials used and the maintenance procedure. The insulation resistance of the aluminum electrolytic capacitors is affected by various external factors, such as temperature, humidity, mechanical stress and age.

Conclusion

The EET-HC2E331JA aluminum electrolytic capacitor is a very useful and cost-effective component for designers who need to reduce their component count while ensuring high ripple current capabilities and temperature stability. Its low profile and lightweight make it a great choice for many applications where size and weight are important factors. However, users should be aware of its drawbacks, such as its short lifespan and low insulation resistance, so that they can anticipate problems and maintain the capacitor accordingly.

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