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参数资料
| 型号： | EDLSG474V5R5C |
| 厂商： | Cornell Dubilier Electronics (CDE) |
| 文件页数： | 2/8页 |
| 文件大小： | 0K |
| 描述： | CAP SUPER .47F 5.5V RADIAL |
| 标准包装： | 100 |
| 系列： | EDL |
| 电容： | 470mF |
| 电压 - 额定： | 5.5V |
| ESR（等效串联电阻）： | 30 欧姆 |
| 安装类型： | 通孔 |
| 封装/外壳： | 轴向，CAN - 垂直式 |
| 引线间隔： | 0.197"（5.00mm） |
| 包装： | 散装 |
| 尺寸/尺寸： | 0.748" 直径（19.00mm） |
| 高度 - 座高（最大）： | 0.217"（5.50mm） |
| 工作温度： | -25°C ~ 70°C |
Type EDL , Electric Double Layer Supercapacitors
Ultra High Capacitance, Small Case Size Options
Life Design
Lifetime
Temperature Factor
Voltage Factor
Moisture Factor
Expected Life Example
Type EDL supercapacitors have a useful lifetime that decreases with
increasing operating temperature, humidity, applied-voltage, current and
backup-time requirements.
Expected lifetime is the product of four factors:
Expected Life = (Lifetime)?(Temperature Factor)?(Voltage Factor)?(Moisture
Factor)
The minimum rated life at 85 oC with 5.5 Vdc applied is 1000 hours with
maximum permitted end-of-life capacitance change of –30% and a 4
times increase in internal resistance.
To determine the effect of temperature on expected life of a supercapaci-
tor, use the fact that expected lifetime doubles for each 10 oC that the
operating temperature is reduced. As an illustration, at 85 oC and full
voltage the rated lifetime is 1000 hours. So, at 40 oC the expected lifetime
would be multiplied by 2(85-40)/10 = 2^4.5 = 22.6 times. The Tempera-
ture Factor is 22.6, and for 1000-h, 85 °C rated life, the expected 40 °C life
would be 22600 hours.
The rate of change of capacitance decreases with decreasing applied
voltage. The effect on life extension is roughly proportional to the voltage
derating, e.g., 5 V applied to 5.5 V rated supercapacitors extends the life
1.1 times.
Expected life of these supercapacitors is considerably shortened by
operation in high humidity. The applications discussed here assume that
the relative humidity is no more than 50%.
So, for a 5.5 V supercapacitor at 40 °C charged to 5.V in less than 50% RH
the expected life is:
Expected Life = (Lifetime) (Temperature Factor) (Voltage Factor)
(Moisture Factor)
= (1000 h) (22.6) (1.1) (1)
= 24800 hours
= 2.8 years
RoHS Compliant
Electric Double Layer Supercapacitor Construction
Current
Collector
Electrolyte
Separator
Activated
Carbon
Current
Collector
Resistor
to Charge
Electric Double
Layer Capacitor
Resistor
to Move Ions
CDE Cornell Dubilier ? 1605 E. Rodney French Blvd. ? New Bedford, MA 02744 ? Phone: (508)996-8561 ? Fax: (508)996-3830
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