400LLE3.3MEFCT810X9

Operating Temperature:	-40°C ~ 105°C
Package / Case:	Radial, Can
Mounting Type:	Through Hole
Surface Mount Land Size:	--
Height - Seated (Max):	0.413" (10.50mm)
Size / Dimension:	0.394" Dia (10.00mm)
Lead Spacing:	0.197" (5.00mm)
Ripple Current @ Low Frequency:	48mA @ 120Hz
Applications:	General Purpose
Ratings:	--
Polarization:	Polar
Series:	LLE
Lifetime @ Temp.:	12000 Hrs @ 105°C
ESR (Equivalent Series Resistance):	--
Voltage - Rated:	400V
Tolerance:	±20%
Capacitance:	3.3µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Box (TB)

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Aluminum Electrolytic Capacitors
Aluminum electrolytic capacitors are widely used components in a variety of electronic circuits and products. Most aluminum electrolytic capacitors are polar devices, meaning that they require a voltage of a specific polarity to be connected in an appropriate manner for the component to function correctly. Due to their involvement in the majority of electronic devices, proper understanding of aluminum electrolytic capacitors is crucial for continued success in the development and manufacture of electronic products.

400LLE3.3MEFCT810X9 Application Field and Working Principle
The 400LLE3.3MEFCT810X9 is a piece of aluminum electrolytic capacitor with a rated voltage of 10V and a rated capacitance of 1.3μF. 400LLE3.3MEFCT810X9 is are applicable for general purpose circuits and used in a range of medical equipment, industrial and consumer electronics, and automotive applications. The 400LLE3.3MEFCT810X9 can operate between the temperature range of 105°C and -25°C. It does better in applications requiring higher stability and continuous environment and temperature operation due to its low impedance and long service life.

To understand how 400LLE3.3MEFCT810X9 works, we should first learn basic working principle of aluminum electrolytic capacitor. Essentially, these capacitors are two metal layers with their surface area contacted and separated by an electrolyte: liquid or solid film. A voltage is applied to the metal layers, forming an electric double layer of positive and negative charges, respectively, separated by the electrolyte. This structure causes negative ions being attracted to the positive plate and positive ions being attracted to the negative plate, thus forming a low-resistance area between the two plates and achieving the function of capacitor. The small amount of electrochemical reaction that will take place between the capacitors plates is the source of the low leakage current found in the product.

Depending on the grade and types of aluminum electrolytic capacitors, their composition could differ. The core construction of 400LLE3.3MEFCT810X9 consists of a two –terminal anode made of aluminum. Aluminum anode plate is sealed by both an absorptive layer which serves to electrochemically halt further oxidation of the plate while containing the electrolyte at one end and with a paper separator layer at the bottom.

The 400LLE3.3MEFCT810X9 capacitor works by applying non-polar voltage to metal plates which are also electrolyte. This is then separated by an absorbing layer. This absorbing layer contains electrolyte, which will move from one plate to the other. As the electrolyte moves, a charge builds up. This charge creates a stronger electric double layer between the plates. This can increase the capacitance of the aluminum electrolytic capacitors. It also increases the voltage that the component can hold, allowing it to withstand higher ambient temperatures.

In short, the 400LLE3.3MEFCT810X9 can function by applying non-polar voltage on a pair of metal plates separated by an absorbing layer containing electrolyte. When voltage is applied, current moves from one plate to the other, creating an electric double layer which increases the capacitance of the capacitor and allow it to hold a higher voltage for higher ambient temperatures. It is applicable for general purpose circuits and used in a range of medical equipment, industrial and consumer electronics, and automotive applications due to it low impedance and long service life.

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