293D226X06R3B2TE3

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Tantalum capacitors are a type of solid electrolyte capacitor which includes a tantalum powder core and an electrolytic solution. The core acts as the dielectric, while the electrolyte solution allows for a current to travel between the two electrodes. The two main types of tantalum capacitors are molded solid capacitors and wet electrolytic capacitors. The capacitor code “293D226X06R3B2TE3” is a type of wet electrolytic tantalum capacitor. The capacitor has three key parameters: capacitance, voltage, and temperature. “293” indicates a 22 μF capacitance and 6 VDC voltage rating. The “X” indicates that the capacitor has an operating temperature range of -55 to +85 °C. The “R3” indicates that the capacitor has a 3% tolerance. The “B2TE3” designation indicates that the capacitor is a surface mount wet tantalum type.

These types of capacitors are mainly used in a wide range of applications such as switch mode power supplies, DC to AC inverters, and automotive electronics. They are also used in analog circuits where high capacitance and low impedance is desired. Additionally, they offer high stability and long-term reliability when working at temperatures between -55 and 85 °C.

The working principle of a surface-mount wet tantalum capacitor can be summarized as follows. The core dielectric material is a porous tantalum powder, treated with an electrolyte that seals the pores. This electrolyte forms a barrier between the core material and the external environment, limiting the leakage current to a very low value. When a voltage is applied across the terminals, electrical charges will be stored between the two electrodes. This charges up the capacitor, allowing it to store energy and act as a filter to reduce ripple and noise. The capacitance of the capacitor will determine the amount of charge it can store, while the voltage rating defines the maximum amount of voltage that can be applied across its terminals without causing damage.

In conclusion, the capacitor code “293D226X06R3B2TE3” indicates a surface mount wet tantalum capacitor that has a capacitance of 22 μF, a voltage rating of 6 VDC, and an operating temperature of -55 to +85 °C. These types of capacitors are mainly used in switch mode power supplies, DC to AC inverters, and automotive electronics. The working principle is based on the storage of electrical charges between the two electrodes, which creates a capacitor capable of storing energy and filtering out noise and ripple.

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