lamp 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 applications. They are designed for 50 or 60 Hz systems.

Applications：mainly used for lighting, lamp starting, running and help compensate for power.

**Specifications**
Standard temperature	-25℃ ~ +1055℃
Voltages Ratings	250VAC
Capacitance Range	1-120 uF
Applicable Standard	IEC60252-1:2011,GB/T3667.1-2005.UL810、EN60252-1：2011

Q: Low voltage capacitor voltage 0.45 and 0.4 What is the difference between usage: 0.45 capacitor used in the voltage level is high (for example, the transformer low voltage side voltage may reach 415V), with a tuned reactor (tuning reactor will increase the capacitor terminal voltage) situation; Note that the actual capacity of 0.45 capacitor nominal capacity (Actual voltage / 0.45) ^ 2 times;

Q: What is the relationship between capacitance and voltage?: In your case, you can think of two capacitors as two containers, 5v capacity than 10v half (because they are 0.01uF),

Q: What is the principle of capacitance isolation?: When the capacitor is connected to the AC circuit, there is also a charging process in which the charge is stopped when the capacitor voltage is equal to the supply voltage, and then the power supply voltage drops and the capacitor begins to discharge.

Q: What is the difference between the power capacitor and the complement?: In fact, in the case of three-phase imbalance, but also a total complement and sub-all have, the three-phase power factor, respectively, 0.53,0.67,0.71, then, in the 0.71 above this part, The reactive power required by the other parts of the two phases is compensated by tipping.

Q: How to judge the capacitor is good or bad?: 10pF below the fixed capacitor capacity is too small, with a multimeter to measure, only qualitative check whether there is leakage, internal short circuit or breakdown phenomenon.

Q: Why some Y capacitor is very small, and some Y capacitor is very large?: As a capacitor of the Y capacitor, it is required to obtain the certification of the safety inspection mechanism. Y capacitor appearance is mostly orange or blue, are generally marked with safety certification mark (such as UL, CSA and other logo) and pressure AC250V or AC275V words. However, its true DC withstand voltage is above 5000V. It must be emphasized that the Y capacitor can not be used with a nominal capacitor such as the nominal voltage AC250V or DC400V.

Q: On the ground resistance, what role the capacitor: High-frequency vibration elimination: the capacitor used in the high-frequency vibration circuit called high-frequency vibration capacitor, in the audio negative feedback amplifier, in order to eliminate the vibration may occur high-frequency self-excited, the use of this capacitor circuit to eliminate the amplifier Possible high frequency whistling

Q: What is the electrolytic capacitor inside?: Electrolytic capacitor is a dielectric of a dielectric electrolyte coating has a polarity, positive and negative can not be connected wrong. Electric capacity (Electric capacity), by the two metal pole, the middle folder with insulating material (medium) composition.

Q: How does the capacitor work? What does it do?: Straight to pass on the circuit need to pass the AC signal, power supply filter, cut off DC and other places to use. Capacitor charge and discharge is the basis of other properties. There are two kinds of filtering, one is the power filter, which is more obvious charge and discharge, can be seen as a container.

Q: What is the capacitor, what is the use, where is there?: The role of the capacitor filter, coupling, bypass, decoupling function. Capacitors are mainly used for AC circuits and pulse circuits, in the DC circuit capacitors generally cut off the role of DC. Capacitors do not produce nor consume energy, are energy storage components.

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