They are smaller in size than aluminum electrolytic capacitors and use tantalum metal which results in a high capacitance value per volume. Tantalum capacitors are a subtype of electrolytic capacitors. Read also: Why Are Capacitors Used in DC Circuits if they Block DC? (Solved) How to read a Tantalum Capacitor value? Note: If capacitors are connected incorrectly they can be damaged, and in some cases, they might also explode. Sometimes these capacitors (shaped like tin cans) use a colored bar or a ring-shaped depression to show polarity, this mark designates the negative end and must be connected with the negative terminal of the circuit.Besides this, we can also see the positive lead of the capacitor is longer than its negative lead, so you can identify their polarity on the basis of lead size.Connect ‘+’ with the positive terminal and ‘-’ with the negative one of the circuit. By checking the polarity signs (+ or -) next to any one of the terminals.Since an electrolytic capacitor is polarised in nature, we can identify its polarity in the following ways: After reading the above three parameters, we need to know one important parameter which is the capacitor’s Polarity.
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