water pump capacitor

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Quick Details

Place of Origin: Anhui, China (Mainland)
Type: Polypropylene Film CapacitorModel Number: CBB60
Application: AC / Motor
Package Type: Through Hole
Capacitance: 5-100uf
Rated Voltage: 450V
Operating Temperature: -40~85
Packaging & Delivery

Packaging Details:	Accurate packing list will be sent on request.
Delivery Detail:	15-25days

1.low dissipation
2.high insulation resistance
3.good self-healing character
4.steady electricity performance

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: 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: Cd capacitance to express what: Using polypropylene film as a medium, with a special electrode to the cylindrical core connected into a series structure, the core wrapped plastic tape, both ends with flame retardant epoxy resin package. With a small self-inductance, equivalent series resistance is low, loss is small, high insulation resistance, good frequency characteristics and can withstand high voltage, high current impact and other characteristics.

Q: What is the difference between the reactor and the capacitor?: Capacitors in order to boost, so that the voltage ahead; reactor in order to buck, so that the voltage lag; they are in the system are reactive power, improve power quality

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?: At the AC power input, it is generally necessary to add three safety capacitors to suppress EMI conduction interference. AC power input is divided into three terminals: FireWire (L) / Neutral (N) / Ground (G). Between the line of fire and the ground and between the zero line and ground in parallel with the capacitor, generally referred to as Y capacitor. The two Y-capacitor connection position is more critical, must meet the relevant safety standards, to prevent electronic equipment leakage or chassis charged, easy to endanger personal safety and life.

Q: How to identify high voltage capacitors is good or bad: There is a series in 220v AC power inside, see if the light bulb can be normal light. Determine if the capacitor has capacity. Whether the initial test is normal.

Q: Why does the circuit current gradually decrease when charging the capacitor?: due to the increase in the number of charge, the electrostatic field field strength will gradually increase, increasing the field strength caused by the absorption of electrons to produce exclusion, So that the number of adsorbed charges gradually reduced, the number of charge to reduce the performance of the phenomenon that the charging current is gradually reduced. When the number of charges on the two electrode plates of the capacitor reaches a gradually increasing field strength constraint, the amount of charge is not increased and the equilibrium state is reached, that is, the charge saturation current is zero.

Q: Capacitance for AC and DC effects?: In the sine wave AC circuit, the current size of the current flowing through the capacitor can be quantitatively calculated. Specifically, the voltage U is in volts (V), the current I is in the unit (A), the capacitance C is expressed by the law (F) (Ω), the frequency of the AC power supply is expressed in Hertz (Hz) units, and the frequency of the AC power supply is expressed in Hits (Hz)

Q: What is the difference between polyester film capacitors and ceramic capacitors?: Good stability. From the chemical performance, acid, alkali, salt and water corrosion of ceramic materials is very small, from the heat resistance, the ceramic material in the high temperature of up to 500 ~ 600 ℃, long-term work without aging

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