Datenblatt-Suchmaschine für elektronische Bauteile |
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FM0H473ZF Datenblatt(PDF) 5 Page - NEC |
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FM0H473ZF Datenblatt(HTML) 5 Page - NEC |
5 / 39 page ●All specifications in this catalog and production status of products are subject to change without notice. Prior to the purchase, please contact NEC TOKIN for updated product data. ●Please request for a specification sheet for detailed product data prior to the purchase. ●Before using the product in this catalog, please read "Precautions" and other safety precautions listed in the printed version catalog. 2010.11.8 9565SCAVOL12E Super Capacitors Vol.12 5 2. Performance for Selection 3. Characteristics of Super Capacitor Super Capacitor can not be used for applications in AC circuit such as ripple absorption because it has high internal resistance (several hundred mΩ to a hundred Ω) compared to aluminum electrolysis capacitor. Thus its main use would be similar to that of secondary battery such as power back-up in DC circuit. The following list shows the characteristics of Super Capacitors as compared to aluminum electrolyses capacitors for power back-up and secondary batteries. Secondary battery Capacitor NiCd battery Lithium ion battery Aluminum electrolysis capacito Super Capacitor Back-up ability ◎◎△○ Eco-hazard Cd −−−−−−−−− Operating temperature range − 20 to 60 ℃−20 to 50 ℃−55 to 105 ℃−40 to 85 ℃(FR,FT) Charge time few hours few hours few minutes few minutes Charge/discharge life time approx. 500 times approx. 500 to 1000 times limitless (*1) limitless (*1) Restrictions on charge/discharge yes yes none none Flow soldering not applicable not applicable applicable applicable Automatic mounting not applicable not applicable applicable applicable (FM and FC series) Safety risks leakage, explosion leakage, combustion, explosion, ignition heat-up, explosion gas emission (*2) (*1) Aluminum electrolysis capacitor and Super Capacitor has limited lifetime. However, when used under proper conditions, both can operate sufficiently within the designed lifetime of the set they are built in. (*2) There is no harm as it is a mere leak of water vapor which transitioned from water contained in the electrolyte (diluted sulfuric acid). However, application of abnormal voltage surge exceeding maximum operating voltage may result in leakage and explosion. Backup time depends on capacitance 1 minute Backup time 0.01 0.1 1 10 102 103 104 105 106 107 108 kA A mA A 1 hour 1 day 1 week 1 month ( sec ) High power SuperCapacitor BOX type Low impedance application use FA, FE, FS, FT, FM Series High impedance application use FG, FY, FC, FM, FR Series High power SuperCapacitor HV Series μ |
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