MALREKB05DD222S00K Datasheet/PDFAluminum Electrolytic Capacitors: MALREKB05DD222S00K Application Field and Working Principle
Aluminum electrolytic capacitors are electronic components composed of three layers of material: two layers of aluminum foil with a thin paper insulator in between. The capacitor has one terminal connected to one layer of aluminum foil and the other terminal connected to the other layer of aluminum foil. A chemical electrolyte covers both layers of aluminum and breaks the electric circuit. When voltage is applied to the leads of the capacitor, electrons are supplied to the negative foil and holes are supplied to the positive foil. Electrons and holes then move to the opposing foil, causing a buildup of charge on the capacitor’s plates. The buildup of charge is what stores energy and creates the capacitance effect, forming the basic operating principle of an aluminum electrolytic capacitor.
The MALREKB05DD222S00K is a type of aluminum electrolytic capacitor typically used in telecommunications, controlling systems, computers, and other devices. It has an extremely low leakage rate of 0.3CV or less and has a wide temperature range of -55 to +105 degrees Celsius. The capacitor has a maximum rated voltage of 500 volts DC and is available in a range of capacitances from 0.1μF to 2,200μF.
The MALREKB05DD222S00K is designed to provide long-term lifetime and high reliability. It uses an advanced anode foil that combines an aluminum foil with a precious metal substrate for increased electrical conductivity. This provides improved reliability performance and leakage current as well as improved self-healing properties. Additionally, the MALREKB05DD222S00K is protected against moisture and other environmental conditions for improved durability.
The MALREKB05DD222S00K is also designed for increased safety and thus has a wide capacitance range from 0.1μF to 2,200μF. This allows it to be used for a variety of applications such as low-frequency power supply filtering, DC blocking or AC decoupling, snubber circuits, large currents can also be blocked, and anti-parallel diodes can be attached to the capacitors. Snubber circuits, in particular, are often used in motor control systems to limit voltage and current spikes.
Overall, the MALREKB05DD222S00K is an aluminum electrolytic capacitor designed for superior longevity, reliability, and safety. It is best suited for telecommunications, controlling systems, computers, and other similar devices, and can be used for a variety of applications such as power supply filtering, DC blocking, and AC decoupling. By combining an aluminum foil with a precious metal substrate, the MALREKB05DD222S00K also provides improved electrical conductivity and self-healing properties.