139R342M055AA2A

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139R342M055AA2A Aluminum Electrolytic Capacitor

Aluminum electrolytic capacitors, also known as ‘electrolytics’, are capacitors that utilize an electrolytic solution as the dielectric or insulating medium. Like all capacitors they are used to store energy and block DC but allow AC to pass through. Amongst their long list of advantages are their large capacitance ratings, small physical size and high energy efficiency. 139R342M055AA2A aluminum electrolytic capacitors belong to a family of capacitors collectively known as axial lead wound types, meaning that the leads enter through the top and bottom of the casing. This acts to protect the capacitors from the environment and makes them a great choice for use with extremely high frequencies. High frequency, or RF applications, include oscillators, oscilloscopes, signal generators, spectrum analyzers, receivers, amplifiers, transceivers, etc.There is also another widely used type of aluminum electrolytic capacitor: radial lead wound types, in which the leads entering through the side of the casing. Both types are made of an aluminum can encapsulated with a synthetic rubber sleeve, which provides insulation and makes them dust-proof and moisture-resistant. The inner electrolyte composition of the aluminum electrolytic capacitor is the most influential factor in how it performs. This is because the choice of electrolyte drives the capacitance, dielectric strength, leakage current, and temperature coefficient of capacitance. The 139R342M055AA2A aluminum electrolytic capacitor is made with an aluminum oxide-based electrolyte that is chemically dried to deliver an extremely low leakage current. This makes them ideal for motor control, circuit protection, and circuit development applications. With its negative temperature coefficient, this capacitor is especially suited to use in applications such as subwoofers and speakers, as it allows higher power to be delivered for lower distortion rates.The typical working voltage of an aluminum electrolytic capacitor can range from 6.3v to 500v depending on the design, with larger capacitance values tending to require higher working voltages. The 139R342M055AA2A aluminum electrolytic capacitor has a working voltage of 120V, making it suitable for most low-voltage applications.Aluminum electrolytic capacitors are also very good at filtering noise on electronic circuits. The 139R342M055AA2A capacitor is no exception, and as such can be found stacked up on a single pin with multiple comparable caps to form a filter network on a PCB.The 139R342M055AA2A aluminum electrolytic capacitor is highly reliable, stable and dependable. Its rated temperature range is -40 to +105°C, and it has a very long lifetime of 1000 hours at +105°C. Combined with its small physical size and low cost, it makes an excellent choice for low frequency applications.In conclusion, the 139R342M055AA2A aluminum electrolytic capacitor provides a cost-effective solution for various types of low-frequency, slow-speed, and RF electronics applications. It is an excellent choice for circuit protection, motor control, filter networks, and high-noise reduction on circuit boards. With its low leakage current, high stability and long-term reliability, it is well suited for use in audio devices such as subwoofers and speakers, circuit developmental projects, and other applications that require high power and low distortion.

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