Carbon based wound supercapacitors

Publish time:2023-11-20 14:47:12

● Low internal resistance, high power density ● Wide temperature resistance range, up to -40 ℃~+85 ℃ ● High rate charging and discharging, high cycle life ● High safety, reliability, and maintenance free. Green and environmentally friendly, meeting RoHs and REACH environmental directives. Nominal Capacity Range 0.5~60F 0.1~30F Rated Voltage 2.7V/3.0V 5.0V~60V Capacity Tolerance ± 20%


Low internal resistance, high power density

Wide temperature resistance range, up to -40 ℃~+85 ℃

High rate charging and discharging, high cycle life

High safety, reliability, and maintenance free.

Green and environmentally friendly, meeting RoHs and REACH environmental directives.


Nominal capacity range

Nominal Capacity Range 0.5~60F 0.1~30F

Rated voltage

Rated Voltage 2.7V/3.0V 5.0V-60V

Allowable deviation of capacity

Capacity Tolerance ± 20%/-10%~+30%/-20%~+80%

Operating temperature range

Operating Temperature Range Conventional -40 ℃~+70 ℃

High temperature type -40 ℃~+85 ℃

cycle life

Cycle Life uses a constant current to charge and discharge the capacitor 500000 times between rated voltage and half rated voltage at 25 ℃.

≥ 500000Cycles@25 ℃

Capacity changes Δ C is less than or equal to 30% of the initial value;

The internal resistance is less than 4 times the nominal value.

temperature characteristic

Temperature Characteristics Tmax ± 2 ℃, 16h capacity change Δ 30% when C is less than or equal to 25 ℃;

The internal resistance value is less than the nominal value.

Tmin ± 2 ℃, 2-hour capacity change Δ 30% when C is less than or equal to 25 ℃;

The internal resistance value is less than 4 times the nominal value.

High temperature durability

Endurance 1000h, Tmax ± 2 ℃ @ 2.5V(

High temperature)

@ 3.0V@65 ℃ (high pressure)

Capacity changes Δ C is less than or equal to 30% of the initial value;

The internal resistance is less than 4 times the nominal value.

There is no significant change in appearance.

High temperature storage characteristics

High temperature storage

Characteristics 96h, Tmax ± 2 ℃, 0V, test

After inspection, let it stand at room temperature for 2 hours

Capacity changes Δ C is less than or equal to 10% of the initial value;

The internal resistance is less than twice the specified value.

Low temperature storage characteristics

Low temperature storage

Characteristics 96h, -40 ± 2 ℃, 0V, test

After inspection, let it stand at room temperature for 2 hours

Capacity changes Δ C is less than or equal to 10% of the initial value;

The internal resistance is less than twice the specified value.

Steady state damp heat

Humidity Resistance 40 ℃, 90%~95% RH,

240h, let stand at room temperature for 2 hours after the test

Capacity changes Δ C is less than or equal to 30% of the initial value;

The internal resistance is less than 4 times the nominal value.

Self discharge characteristics

Self discharge characteristics Rated voltage charging for 8 hours, open circuit discharge

Set the end voltage for 24 hours to be greater than or equal to 80% UR

Solderability

Solder ability

Dip the pins of the supercapacitor

In a welding groove at 235 ℃± 5 ℃,

After a continuous 2s ± 0.5s solderability test, a smooth and bright layer of solder must be covered on the soaked surface, and only

A small amount of dispersed defects such as non wetting or weak wetting areas of pinholes, and these defects should not be concentrated in

One piece.

Terminal tensile strength

Lead strength

Apply the specified tension to the capacitor terminals

Force and bending force

There is no mechanical damage to the appearance, and the pins are not broken.




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