JJC0E278MSEHBB

Series:	EVerCAP® JC
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Capacitance:	2700F
Tolerance:	±20%
Voltage - Rated:	2.5V
ESR (Equivalent Series Resistance):	4 mOhm
Lifetime @ Temp.:	2000 Hrs @ 60°C
Termination:	Screw Terminals
Mounting Type:	Chassis Mount
Package / Case:	Radial, Can - Screw Terminals
Lead Spacing:	1.252" (31.80mm)
Size / Dimension:	3.000" Dia (76.20mm)
Height - Seated (Max):	6.417" (163.00mm)
Operating Temperature:	-25°C ~ 60°C

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Electric Double Layer Capacitors (EDLC)

Electric Double Layer Capacitors (EDLC), also known as supercapacitors, are high-capacity energy storage devices developed with advanced technologies and materials. Similar to conventional capacitors, EDLCs can be used for energy storage and transfer, but with the added advantage of far higher capacity with superior resistance to extreme conditions. The technology as used in JJC0E278MSEHBB is used in a wide variety of applications, including power storage, power transfer, portable electronics, vehicles, and much more. EDLCs can be used alone or combined with batteries, rechargeable batteries (such as lithium ion) or fuel cells as part of a larger energy storage system. This combination of EDLCs with other energy storage technologies helps optimize the performance of each device, resulting in higher capacity and less cycling than if the EDLC was used separately. The inner parts of an EDLC consist of activated carbon/carbon electrodes, separated by an electrolyte. An EDLC stores energy mainly through the movement of charged ions, or electrons, between two electrodes. The electrons are attracted to the positive and negative electrodes at the same time, creating the equivalent of a doubled layer of capacitance when compared to conventional capacitors. This enables greatly improved capacity compared to conventional capacitors, as well as a longer cycle life. The activation process of the electrodes also increases the surface area of the electrodes, further increasing the available storage capacity. The electrolyte used in EDLCs must be highly resistant to chemical degradation and should provide low electrical resistance for maximum efficiency. Common electrolytes of this type are aqueous potassium hydroxide solutions, but in some cases, organic electrolytes may be used. The electrolyte is also what allows the EDLC to be recharged, as the ions can flow back and forth between the electrodes.

Working Principle

The working principle of EDLCs is based on the same concept as conventional capacitors: electrons are transferred between two plates, separated by an insulating material. However, in the case of EDLCs, a second layer of electrons is added to increase capacity and cycle life. This second layer is created through the activation process of the electrodes, which allows for greater contact between the positive and negative ions. The working process of EDLCs is similar to that of a regular capacitor. When a positive and negative electrical charge is applied to the two plates of the EDLC, current flows through and results in an electrostatic field between them. This field stores energy until the charges are reversed, which releases the stored energy. Unlike conventional capacitors, EDLCs can be cycled much more frequently and with fewer losses, as the energy storage capacity is much larger and the plates can be activated and deactivated without much wear and tear. This also allows for larger current flow when the capacitor is fully charged, leading to more efficient system operation. Overall, the JJC0E278MSEHBB electric double layer capacitor is a high-capacity energy storage device, optimally suited for applications in which space and weight are major factors. Its superior efficiency, stability, and cycling performance make it an ideal choice for high capacity applications in many industries. The simple but effective working principle of EDLCs allows for maximum current flow and low losses, resulting in systems that are both efficient and reliable.

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