B43508E2337M80

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Introduction to Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors are electronic components consisting of two metal electrodes, housed inside a metal can or foil, which is separated by an ionic liquid or a foil of solid electrolyte. Their primary advantages over other types of capacitors are their large capacitance per volume and their relatively low cost. Consequently, aluminum electrolytic capacitors are widely used in a variety of systems, including audio, video, automotive, and computer/telecommunication applications. These capacitors are available in a variety of capacitance ratings and their configuration can vary, depending on the desired application and performance.

B43508E2337M80 Aluminum Electrolytic Capacitor

The B43508E2337M80 is a super miniature, long life aluminum electrolytic capacitor, which is particularly suitable for high frequency, high voltage applications. It is typically used for electronic equipment, such as computers, telecommunications, photoelectric devices, lighting and frequency control systems. The capacitor consists of a corrosion-resistant aluminum foil in a stainless steel case, which is filled with a water-resistant, low-viscosity, dielectric liquid derived from a petroleum distillate. The capacitor is polarized, with the positive polarity being indicated by a color-coded band. The B43508E2337M80 has a voltage rating of 35V and a capacitance range of 0.0037 uF up to 0.047 µF.

Application Areas

The B43508E2337M80 is a high frequency, high voltage capacitor which is suitable for use in a variety of applications and systems. These applications include:

• High frequencies applications such as radio receivers and transmitters.
• High voltage AC and DC circuits.
• Voltage regulation.
• Power supplies, inverters, and electronic switching systems.
• Automotive systems, such as spark plugs, alternators, and starter motors.
• Audio applications, such as amplifiers and loudspeakers.
• Other types of capacitors, such as NiCad and super capacitors.

Working Principle

The working principle of an aluminum electrolytic capacitor is based on Faraday\'s law of electrolysis. According to this law, if a voltage is applied across an electrolyte, ions will be attracted and repelled based on the polarity of the applied voltage. Thus, a capacitor is created with two metal electrodes on either side of an electrolyte. The two metal electrodes act as the current conducting plates, while the electrolyte acts as the dielectric material between them. The electrons move from the negatively charged plate to the positively charged plate, creating an electric field. This electric field stores the charge, creating a capacitance. Thus, when the applied voltage is reversed, the charge will be discharged from the capacitor.

In addition to the working principle, the B43508E2337M80 also offers a number of advantages. It is low profile and has a low equivalent series resistance (ESR), which increases its overall efficiency and performance. The capacitor also has a long lifetime, with a maximum value of 50,000 hours. This increases its reliability and reduces maintenance costs, making it an ideal choice for high reliability applications.

Conclusion

The B43508E2337M80 is a high performance, long life capacitor which is well suited for use in a variety of applications where a low profile, low ESR, and long life are required. Its wide range of capacitance values make it suitable for a range of circuit applications, from low frequency to high voltage applications. With its high reliability and low maintenance costs, the capacitor is an ideal choice for electronic equipment, automotive systems, and other electronic circuits.

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