381EL121M350J022

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Aluminum electrolytic capacitors are a type of polar capacitors, which typically consists of two aluminum plates separated by an absorbent paper soaked with a conductive electrolyte. The aluminum plates are typically rolled up and then enclosed in a case, giving it the appearance of a can. Aluminum electrolytic capacitors are used in many applications, including computer power supplies, audio equipment, and medical equipment. The model number 381EL121M350J022 indicates what type of capacitor it is and its electrical characteristics.

The 381EL121M350J022 is a radial-lead aluminum electrolytic capacitor. The first two characters, "38", indicate the voltage rating, which is typically expressed in volts. The voltage rating of the 381EL121M350J022 is 16 volts. The "1" indicates the number of capacitance discs, which in this case is one. The next three characters, "EL1", indicate the capacitance value, which is expressed in microfarads (µF). The capacitance value of the 381EL121M350J022 is 2.2 µF. The next two characters, "21", indicate the tolerance, which is expressed as a percentage. The tolerance of the 381EL121M350J022 is ± 20%. The last three characters, "M35", indicate the maximum working voltage, which is expressed as a multiple of the rated voltage. The maximum working voltage of the 381EL121M350J022 is 32 volts.

The 381EL121M350J022 is typically used in applications that require high frequencies. Its capacitance value and tolerance make it ideal for filtering out noise in high-speed circuits, such as those found in computer power supplies. Additionally, its voltage rating and maximum working voltage make it suitable for use in audio equipment and medical equipment. It is also used in capacitor networks, which are used to store and filter electrical signals, such as those found in radio transmitters and receivers.

The 381EL121M350J022 aluminum electrolytic capacitor uses a paste electrolytic. The paste electrolytic is composed of water, a gelling agent, and electrolyte. This paste is spread between the two aluminium layers of the capacitor. The electrolyte is then absorbed by the paper which separates the aluminium layers. This process creates an electrical field between the plates. When a voltage is applied to the capacitor, electrons flow from one plate to the other, creating a current and storing electrical energy. This process is known as capacitance, and is the basis of how all capacitors work.

In summary, the 381EL121M350J022 is an aluminum electrolytic capacitor with a voltage rating of 16 volts and a capacitance value of 2.2 µF. It has a tolerance of ±20% and a maximum working voltage of 32 volts. It is typically used in circuit applications that require high frequencies, such as computer power supplies, audio equipment, and medical equipment.

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