ALF40C272KP350

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Aluminum Electrolytic Capacitors are capacitors that use an electrochemical process to create a charge based on an oxide film on one of its two plates. As such, they are especially useful in high-frequency applications due to their superior energy-to-voltage ratio, capacitive reactance, and frequency response. The ALF40C272KP350 is one such aluminum electrolytic capacitor and is used uniquely as a shunt in automotive systems for voltage stabilization, noise reduction, and interference suppression.

The ALF40C272KP350 is an aluminum electrolytic capacitor made to IEC60252-1 industry standard and rated at 35 volts. It has a capacitance of 0.27mF ± 20% and is suited for temperature ranges between -40°C to +125°C. Its design features a resonant capacitance while operating in low-cf, low-hi-cf intermittent operations. It has a rated ripple current of 405mA and an impedance of 4.50 mOhms. The ALF40C272KP350 features an oil-filled feature, which helps dampen vibration and provide natural cooling for the device.

The ALF40C272KP350 is used typically in automotive systems as a shunt for voltage stabilization, noise reduction, and interference suppression. Its designed capacitance and rated crop current of 405mA make it perfect for tasks such as voltage regulation, filter networks, power supplies, chokes, and circuit tuning in automotive systems. Additionally, its oil-filled feature also adds an extra layer of protection against environmental effects such as temperature, humidity and vibration.

The ALF40C272KP350 working principle is identical to regular aluminum electrolytic capacitors. Here, as a result of the electrochemical process, positive ions from the anode of the capacitor will coat the surface of the dielectric, creating another electrode, the electret film. This action results in the creation of a small electric field, which in turn makes the electrodes conductive. The electric field produced between the electrolyte and the dielectric film controls the capacitance value, and depending on the length of the dielectric film, can be adjusted.

Lastly, the ALF40C272KP350 features an over-voltage protection capability. This prevents the device from experiencing any damage from voltage overcharges or surges, which is especially useful in categories such as automotive where voltage variations can occur suddenly. The advantages of using the ALF40C272KP350 over other electrolytic capacitors are its excellent rated current values and operating temperature range.

In conclusion, the ALF40C272KP350 is an aluminum electrolytic capacitor uniquely designed for automotive system, where it is used as a shunt to provide voltage stabilization, noise reduction, and interference suppression. Its rated current value of 405mA is ideal for medium to large projects, and its over-voltage protection capability allows it to be used in applications that are susceptible to sudden voltage changes.

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