SK3R3M250ST

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

Aluminum electrolytic capacitors are an important type of capacitor used in electrical engineering. They are made from aluminum foil covered with an insulating layer of thin aluminum oxide and coated with a conducting layer of electrolyte. The electrolyte serves as a carrier for the electric charge, and the aluminum oxide layer acts as an insulator. Aluminum electrolytic capacitors are widely used in power supplies, audio equipment, and other electrical devices.

The SK3R3M250ST is a top-of-the-line aluminum electrolytic capacitor manufactured by Kemet Corporation. It is designed with up to 5,000 hours of expected lifetime at elevated temperature, and a low Equivalent Series Resistance (ESR) of less than 4mΩ at 25°C and 1kHz. The low ESR allows the device to handle high current ratings as well as faster switching times.

In terms of application, the SK3R3M250ST is used in power converters, battery charge controllers, frequency converters, and other switching power supplies. In power converters, the SK3R3M250ST is used to provide excellent filtering performance that reduces the voltage ripple during switching. In battery charge controllers, it is used to provide the necessary voltage stability for quick charge and recharge cycles. In frequency converters, it is used to provide the necessary capacitance for high-speed switching applications. It is also used in DC-DC converters, motor drives, and other high-speed switching systems.

In terms of working principle, the SK3R3M250ST has a Polar Electrolytic capacitor construction. This construction consists of an anode and a cathode, which are placed in an electrolyte solution. When a voltage is applied across the terminals, a charge starts to accumulate on the cathode from the electrolyte solution. At the same time, the anode generates a negative charge which repels the positive charge from the cathode. This creates a separation of electric charge across the electrolyte solution, and thus creates a barrier between the two sides of the capacitor.

The SK3R3M250ST also has a built-in protection diode to prevent the capacitor from shorting out due to high forward voltage. This helps protect the device from overvoltage and reverse current, as well as discharging the capacitor at a slower rate. The integrated anti-surge and built-in surge absorption circuits also help to protect the device from sustained voltage surges.

In conclusion, the SK3R3M250ST is an advanced aluminum electrolytic capacitor designed for high current applications. It has a low Equivalent Series Resistance, long life time at elevated temperatures, and built-in protection diode. It is suitable for use in power converters, battery charge controllers, frequency converters, and other high-speed switching systems.

The specific data is subject to PDF, and the above content is for reference