square fan capacitors

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AC film capacitors for general purpose applications (e.g. AC filters with harmonic frequencies exceeding 60 Hz), as well as for lighting and motor run applications.For the latter, AC capacitors are used in conjunction with asynchronous motors on single-phase mains supplies. They are designed for 50 or 60 Hz systems.

Applications：Asynchronous motors、Air conditioning、Domestic appliances、Compressors/pumps/garage、door openers、 Awning drives、 Heat pumps ets.

**Specifications**
Standard temperature	-40℃ ~ +70℃
Voltages Ratings	250V ~ 500V AC
Capacitance Range	0.6~25 uF
Applicable Standard	IEC60252-1:2011,GB/T3667.1-2005、UL810、EN60252-1:2011
Size

W±1mm	10-28
H±2mm	20-50
L±2mm	32-68

Q: Is the capacitor attached to the carbon foil positive?: In order to facilitate the manufacture of capacitors, usually the electrolyte solution is immersed in special paper, and then with a place of aluminum and immersion in electrolyte solution with the paper together, so you can more easily in the original aluminum foil to lead the negative.

Q: Use capacitance to do transformer how to calculate: The principle of capacitor buck is not complicated. His working principle is to use the capacitor at a certain AC signal frequency to produce capacitive reactance to limit the maximum operating current. For example, in the 50Hz frequency conditions, a 1uF capacitance generated by the capacitive reactance of about 3180 ohms. When 220V AC voltage is applied to both ends of the capacitor, the maximum current flowing through the capacitor is about 70mA.

Q: What is the principle of capacitance isolation?: When the capacitor is connected to the DC circuit, there will be a brief charging process. When the positive and negative plates are filled with charge (when the voltage across the capacitor is equal to the supply voltage), there is no current and then flow, so the capacitor is isolated DC current

Q: What is the difference between the power capacitor and the complement?: A total of three-phase compensation at the same time, sub-compensation is a single-phase compensation.

Q: Does anyone know the difference between the stray inductance of the capacitor and the parasitic inductance?: With the increase in stray inductance, IGBT turn-on loss will be reduced, the diode loss will increase. Stray inductance may also cause oscillations, such as oscillations caused by current mutations, which may result in limited device use due to EMI or overvoltage limits.

Q: Why some Y capacitor is very small, and some Y capacitor is very large?: To charge the power cord for long periods of time. The safety standard stipulates that the voltage (or ground potential) charged at both ends of the power cord plug must be less than 30% of the original rated operating voltage within two seconds when the machine power cord is in operation.

Q: On the ground resistance, what role the capacitor: Coupling: The capacitance used in the coupling circuit is called the coupling capacitor, which is used in the capacitive coupling amplifier and other capacitive coupling circuits to make use of this capacitor circuit.

Q: How to identify high voltage capacitors is good or bad: This is a special place for high voltage capacitors in microwave ovens. Because in this capacitor in parallel with a 10M capacitor. So the capacitor does not leak when the final resistance is 10M. Not infinity

Q: What is the electrolytic capacitor inside?: Electrolytic capacitor features three: the price than other types have overwhelming advantages, because the composition of electrolytic capacitors are common industrial materials, such as aluminum and so on.

Q: Capacitance for AC and DC effects?: Potential has a concept of space, referring to the electric field to a Coulomb charge from A to B work 1 joules, A on the B potential is 1 volt. The concept of potential for the circuit, specify a point of the circuit for the 0 potential, the other points are based on the point of the voltage is the potential of the other points. Electromotive force used in batteries, generators, is the power to generate voltage.

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