参数资料
型号: DCK-3R3E224U-E
厂商: Elna America
文件页数: 140/145页
文件大小: 0K
描述: CAP SUPER 220MF 3.3V COIN SMD
产品目录绘图: DC Series Front
DC Series Side
标准包装: 200
系列: DCK
电容: 220mF
电压 - 额定: 3.3V
容差: -20%,+80%
ESR(等效串联电阻): 200 欧姆
寿命@温度: 60°C 时为 1000 小时
安装类型: 表面贴装
封装/外壳: 币形,宽型端子 - 反侧
引线间隔: 0.079"(2.00mm)
包装: 散装
尺寸/尺寸: 0.268" 直径(6.80mm)
高度 - 座高(最大): 0.083"(2.10mm)
工作温度: -10°C ~ 60°C
产品目录页面: 1912 (CN2011-ZH PDF)
其它名称: 604-1007
?
ELECTRIC DOUBLE
LAYER CAPACITORS
TECHNICAL NOTE
1-4 Construction of DYNACAP
The basic cell construction of the DB, DBN, DX,
DXJ, DH, DK, DBJ, DC, DCK, DS, and DSK series is
similar to that of coin-type batteries as shown in Fig.2.
DYNACAP contains a single cell or two to three cells
stacked in series.
Since these series have a large electrode-to-electrode
distance and a small electrode area exhibiting a large
internal resistance, they are suitable for the memory
backup application that involves microcurrent
discharge.
These series have a small electrode-to-electrode
distance, allowing a large electrode area because of
the winding structure. This decreases the internal resis-
tance, which is primary suitable for applications requir-
ing high-power such as motor drive and LED Iighting
that need high currents.
2 Description of Life Expectancy
Generally, the life of Electric Double Layer Capacitors is
largely affected by the ambient temperature.
The expected life is approximated by the equation as
shown below:
The cylindrical cell construction as seen in the DZ and
DZN series has the construction similar to that of
L = L 0 ×2
)
T 0 ? T
10
)
aluminum electrolytic capacitors as shown in Fig.3.
Where,
L :
L 0 :
T :
Expected lifetime at temperature T
Lifetime at temperature T 0
Expected working temperature
Gasket
Electrolyte
Cap
T 0 :
Upper category temperature
Note that the above equation does not cover charge
and discharge. In the case of charge and discharge,
heat generation occurs inside a capacitor; the
temperature rise by this heat generation must also be
considered.
Activated carbon
electrode
Separator
Case
Fig.2 Example of Basic Construction of Coin Cell
Separator
Activated carbon
electrode
Aluminum
case
Seal rubber
Terminal
Fig.3 Example of Basic Construction of Cylindrical Cell
NOTE
Design, Speci?cations are subject to change without notice.
Ask factory for technical speci?cations before purchase and/or use.
CAT.No.2008/2009E(2008.10.1)
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