185104K250RGA-F

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Film capacitors, also known as plastic film capacitors, are a type of capacitor made from metallised plastic film. The metallised film is sandwiched between metal electrodes. Film capacitors are considered one of the most reliable components due to their high insulation resistance, low audible and radio noise, and long life in comparison to ceramic disc and electrolytic capacitors. 185104K250RGA-F is a film capacitor series specifically made by TDK, a Japanese electrical manufacturer. As a part of TDK’s Power Quality Control (PQC) series, this series is designed for general purpose applications.

The 185104K250RGA-F film capacitors are designed for use in high-voltage power conditioning, switching power supplies, ballasts, and LED lighting systems. It has a rated voltage of 250VAC and a capacitance range of 0.1 to 0.47μF. It has a higher temperature stability than other types of capacitors, with a voltage derating of 2% per 1000 hours at the rated temperature. The lifespan of these capacitors is higher, over 8000 hrs compared to the average of 1000 to 3000 hrs for other similar capacitors.

The working principle of the 185104K250RGA-F film capacitor is based on electrostatic field theory. When a voltage is applied to the two electrodes of a film capacitor, electric fields form in the dielectric material between the electrodes, causing the electric charges to accumulate. The electric charge accumulation creates a static electric field, increasing the capacitance of the capacitor, which opposes the current. The voltage across the capacitor is equal to the applied voltage, producing an electric current in the circuit. The accumulated charge and electric field will remain until the applied voltage is removed from the capacitor, and it will eventually return to its original capacitance value.

The TDK 185104K250RGA-F series of film capacitors are designed for use in power conditioning, switching power supplies, ballasts, and LED lighting systems. They can handle a high-voltage current, providing high insulation resistance and low audible and radio noise. The capacitors have a long lifespan of more than 8000 hours, compared to other similar products. The operating principle of the 185104K250RGA-F is based on electrostatic field theory and the voltage across the capacitor is equal to the applied voltage, resulting in an electric current in the circuit.

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