EET-HC2E391HF

Polarization:	Polar
Package / Case:	Radial, Can - Snap-In
Mounting Type:	Through Hole
Surface Mount Land Size:	--
Height - Seated (Max):	1.260" (32.00mm)
Size / Dimension:	0.866" Dia (22.00mm)
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):	425 mOhm @ 120Hz
Voltage - Rated:	250V
Tolerance:	±20%
Capacitance:	390µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Obsolete
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Introduction

Aluminum electrolytic capacitors are electrochemical capacitors that use an electrolyte of bonded aluminum oxide to store electric energy. They have a wide range of uses, including as energy storage devices, signal decoupling capacitors, filter capacitors, and pulse shaping capacitors. The EET-HC2E391HF is an example of an aluminum electrolytic capacitor designed for high-frequency applications. In this article, we will discuss the application field and working principle of the EET-HC2E391HF aluminum electrolytic capacitor.

Application Field

The EET-HC2E391HF is designed for high frequency applications. Since its working principle allows it to store more charge than other types of capacitors, it is useful for tasks such as energy storage, signal decoupling, and pulse shaping.The EET-HC2E391HF has a low ESR (Equivalent Series Resistance) and ESL (Equivalent Series Inductance). This means that it is able to maintain a low ESR and ESL at high frequencies, thus making it suitable for high-frequency filtering and decoupling. The EET-HC2E391HF is also suitable for pulse shaping applications since its high capacitance and low ESR and ESL enable it to store larger amounts of charge. This makes it effective for pulse shaping systems that need to store a large amount of charge in order to shape a pulse.

Working Principle

The EET-HC2E391HF aluminum electrolytic capacitor works by using an electrolyte of bonded aluminum oxide to store electric energy. The capacitor consists of two metal plates, one of which is made of aluminum, and the other of a dielectric material, which is usually a solid electrolyte. When voltage is applied to the capacitor, an electric field is created between the two plates.This electric field causes positive charges to build up on the surface of the aluminum plate and negative charges to accumulate on the dielectric material. This creates an electric field between the two plates, which causes the capacitor to store energy. The amount of energy that is stored is proportional to the amount of charge on the two plates. When voltage is applied to the capacitor, positive ions move to the dielectric material and negative ions move to the aluminum plate. This movement of ions creates a charge-discharge cycle, which is needed for capacitors to store energy.

Conclusion

In conclusion, the EET-HC2E391HF is an aluminum electrolytic capacitor designed for high-frequency applications. It works by using an electrolyte of bonded aluminum oxide to store electric energy. It is suitable for applications such as energy storage, signal decoupling, and pulse shaping due to its low ESR and ESL at high frequencies, as well as its ability to store large amounts of charge.

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