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12-17
2018
There are too many true and false diodes. How to distinguish them?
Through market research, it is not difficult to find that fake refurbished diodes are purchased from time to time. Some illegal businesses use refurbished parts as brand-new devices or change printing, sell small chips as large chips, etc. The consequence
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12-17
2018
What are the applications of MOS transistors?
I. Application Scope of MOS Switching Power SupplySwitching power supply applications, by definition, require regular turn-on and turn-off of MOSFETs. At the same time, there are dozens of topologies that can be used in switching power supply. Consider a
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12-17
2018
Is capacitance a capacitor?
1. "Capacitance" is the abbreviation of capacitor, which is a "container for charging", and is a device for holding charges. Any two conductors (including conductors) insulated from each other and very close to each other constitute a
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12-17
2018
Factors Affecting the Life of Electrolytic Capacitors (I)
Electrolytic capacitors are widely used in different fields of power electronics, mainly for smoothing, storing energy or filtering after AC voltage rectification, and also for non-precise timing delay. In the MTBF prediction of switching power supply, th
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12-17
2018
Reasons Influencing the Life of Electrolytic Capacitors (2)
1. Design considerationsIn the capacitance of non-solid electrolyte, the dielectric is anodic aluminium foil oxide layer. The electrolyte acts as the electrical contact between cathode aluminium foil and anode aluminium foil oxide layer. The paper layer a
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12-17
2018
Factors Affecting the Life of Electrolytic Capacitors (3)
In addition, direct contact between extended cathode aluminum foil and capacitor aluminum shell is also a good way to reduce thermal resistance. At the same time, it should be noted that the aluminum shell will be negatively charged and can not be used as