What are the different types of capacitors?

In stock I have many different types of capacitors. fixed, variable, oil paper, metalised paper and ceramic.. by TCC, Dubilier, LCC, AEI, Jackson Brothers, Eddystone, Hunts Erie, Wima etc..

What type of capacitor is used in a radio circuit?

Paper caps are the most abundantly used type, found in all areas of the radio circuit for general coupling, decoupling, and filtering. They are non-polarity sensitive, with values typically ranging from .001uF to .47uF. Most of these capacitors are clearly labeled with both value and voltage rating, with the actual measured value being quite close.

Where can I find a color code for a capacitor?

Color codes can also be found in a variety of books such as the ARRL's Radio Amateur's Handbook. The color dot system is similar to the resistor color codes, and there are often several extra dots indicating type, tolerance, and characteristic of the capacitor.

Where can I find a color code for a mica capacitor?

There are some excellent on-line sources of information for deciphering the color codes of mica capacitors, such as the one at TIPS, HINTS & KINKS. Color codes can also be found in a variety of books such as the ARRL's Radio Amateur's Handbook.

How do you fix a faulty capacitor?

Clean them with a small stiff paintbrush and alcohol, or an electronics spray cleaner. Replace the rubber grommets that insulate the capacitor from the chassis if they are crumbling. Clean and tighten the mounting screws, and clean the connections of any corrosion. Poor connections here will lead to no signal or flaky reception.

What does a black band on a capacitor mean?

They often have a black band around one end, indicating which lead is connected to the "outside foil" of the capacitor. This end should be connected to the more quiet or less sensitive side of the circuit, so the outer foil acts as a shield to reduce cross-talk with the other components.