Capacitor colour code

Polyester capacitors are an example of the plastic film capacitor. Polypropylene, polycarbonate and polystyrene capacitors are other types of plastic film capacitor. The capacitor value may be marked on the plastic film, or the capacitor colour code given in Table 3.5 may be used. This dielectric material gives a compact capacitor with good electrical and temperature characteristics. They are used in many electronic circuits, but are not suitable for high-frequency use. 

Table 3.5 Colour code for plastic film capacitors (values in picofarads)...

The actual value of a capacitor can be identified by using the colour codes given in Table 3.5 in the same way that the resistor colour code was applied to resistors. 

A plastic film capacitor is colour coded, from top to bottom, brown, black, yellow, black, red. Determine the value of the capacitor, its tolerance and working voltage. 

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