Rate discharge capacitance (25℃ ΔV=2.7V-1.35V)---- 0.5F
Capacitance tolerance---- 0%~+40%
Rated Voltage U0 (V)---- 2.7V
Operating temperature range---- -40℃~70℃
ESR(mΩ 1KHz)---- 350
Cycle life under nominal voltage----500000 cycles︱△C/C︱≤30%,ESR≤4times initial value(25℃)
Test method is based on----IEC 62391-1 Fixed electric double-layer capacitors for use in electronic equipment -Part 1:Generic specification
Capacitance is based on constant current discharge method.
Recommend nominal current---0.14A
Max. current 0.48A
Quantity
This kit includes 1pc of UC for your choice.
Attention
----Super capacitor has a fixed polarity. Before use, the polarity should be confirmed.
Super capacitors should be used at nominal voltage.
----When the voltage of the capacitor exceeds the nominal voltage, it will cause the electrolyte to decompose. At the same time, the capacitor will heat up, the capacity will drop, and the internal resistance will increase, and the life span will be shortened. In some cases, the performance of the capacitor can be caused to collapse.
----Super capacitors can not be applied to high-frequency charging and discharging circuits. High-frequency rapid charging and discharging will lead to the internal heating of the container, attenuation of capacity, increase of internal resistance, and in some cases, the performance of the capacitor will collapse.
----the life of the Super capacitor:
External ambient temperature has an important influence on the life of Super capacitors. Capacitors should be kept as far away from heat sources as possible.
----when the Super capacitor is used as a backup power supply voltage drop:
Due to the large internal resistance of the supercapacitor, there is a voltage drop at the moment of discharge, ΔV = IR.
----use of environmental gases:
Supercapacitors must not be located at a relative humidity of more than 85 % or containing toxic gases. In these environments, lead to corrosion of lead wires and capacitor shells, resulting in breakage.
----the storage of Super capacitors:
Supercapacitors can not be placed in high temperature and high humidity environments. They should be stored at temperatures of -30 +50 °C and relative humidity of less than 60 % to avoid sudden and sudden drops in temperature, because this will lead to product damage.
----the use of Super capacitors on double-sided circuit boards:
When the supercapacitor is used on a double-sided circuit board, it is necessary to pay attention to the place where the connection can not be reached by the capacitor. Due to the installation of the supercapacitor, short-circuit phenomenon will result.
----when the capacitor is welded on the circuit board, the capacitor shell must not be touched to the circuit board, otherwise the welding material will infiltrate into the capacitor through the wire hole, which will affect the performance of the capacitor.
10, after the installation of Super capacitors, should not be forced to tilt or twist the capacitor, which will cause the capacitor lead wire loose, resulting in poor performance.
Avoid overheating of capacitors during welding:
If the capacitor is overheated during welding, the service life of the capacitor will be reduced. For example, if a printed circuit board with a thickness of 1.6 mm is used, the welding process should be 260 °C and the time should not exceed 5s.
---- after welding cleaning:
After the capacitor is welded, the circuit board and capacitor need to be cleaned because certain impurities may cause the capacitor to short circuit.
----When using the capacitor in series:
When the supercapacitor is used in series, there is a voltage equilibrium problem between the monomers. A simple series will cause one or more monomer capacitors to overpressure, thus damaging these capacitors and the overall performance will be affected. Therefore, when the capacitors are used in series, Technical support from the manufacturer is required.
----other:
For other application problems that arise during the use of supercapacitors, please contact us and read carefully of descriptions in my shop.
Application
As back-up power,UC can be used in electronic devices such as RAM, smart instruments, motor drives, clock circuits, toys, and other fields.