What is the main characteristics of a Tantalum electrolytic capacitor?
Tantalum electrolytic capacitor with sintered tantalum block as positive electrode, electrolyte using solid manganese dioxide, temperature characteristics, the frequency characteristic and the reliability are better than the ordinary electrolytic capacitor, especially the leakage current is very small, the storage performance is good, and the service life is long, the capacity error is small, and the volume is small, and the maximum capacitance voltage product can be tolerated under the unit volume.
1). Compared with aluminum electrolytic capacitors, it has high reliability and good stability.
2) the leakage current is small, the loss is low, and the insulation resistance is big.
3). The dielectric constant is large, so the capacitance of tantalum electrolytic capacitor is smaller than that of aluminum electrolytic capacitor under the same capacitance.
4). Large capacity, capacitance: 0.1 ~ 1000 F, long life, can be made into ultra small components.
5). The temperature resistance is good, and the highest working temperature can reach 200C.
6). The rated voltage is 6.3 ~ 125V.
7). The metal tantalum material is rare and the price is expensive.
(2). It is basically used in the high demand circuit instead of the aluminum electrolytic capacitor.
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