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university:courses:electronics:electronics-lab-capacitors [24 Jan 2013 21:19] – [Capacitors] Doug Merceruniversity:courses:electronics:electronics-lab-capacitors [03 Jan 2021 22:21] (current) – fix links Robin Getz
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 Electrolytic capacitors are polarized and **they must be connected with the correct orientation**, at least one of their leads will be marked with a + or -. They are not generally damaged by heat when soldering but can overheat and be damaged if connected with the wrong polarity. Electrolytic capacitors are polarized and **they must be connected with the correct orientation**, at least one of their leads will be marked with a + or -. They are not generally damaged by heat when soldering but can overheat and be damaged if connected with the wrong polarity.
    
-There are two designs of electrolytic capacitors; **axial** where the leads are attached to each end (220µF in picture) and **radial** where both leads are at the same end (10µF in picture). Radial capacitors tend to be a little smaller and they stand upright on the circuit board.+There are two designs of electrolytic capacitors; **axial** where the leads are attached to each end and **radial** where both leads are at the same end. Radial capacitors tend to be a little smaller and they stand upright on the circuit board while axial capacitors can have a lower profile on a PC board but may take up more space.
    
 {{ :university:courses:electronics:acap_f4.png?100 |}} {{ :university:courses:electronics:acap_f4.png?100 |}}
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 | Aluminum electrolytic | High | Large values High currents High voltages Small size | High leakage Usually polarized Poor stability Poor accuracy Inductive | | Aluminum electrolytic | High | Large values High currents High voltages Small size | High leakage Usually polarized Poor stability Poor accuracy Inductive |
 | Tantalum electrolytic | High | Small size Large values Medium inductance | Quite high leakage Usually polarized Expensive Poor stability Poor accuracy | | Tantalum electrolytic | High | Small size Large values Medium inductance | Quite high leakage Usually polarized Expensive Poor stability Poor accuracy |
 +
 +==== For more info on passive components see: ====
 +
 +[[adi>static/imported-files/application_notes/500824934643930414583807523874018494695982855668424783486554001060AN348.pdf|AN-348: Avoiding Passive-Component Pitfalls]]
  
 **Return to Lab Activities [[university:courses:electronics:labs|Table of Contents]]** **Return to Lab Activities [[university:courses:electronics:labs|Table of Contents]]**
  
  
university/courses/electronics/electronics-lab-capacitors.txt · Last modified: 03 Jan 2021 22:21 by Robin Getz

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