Capacitors are passive devices that are used in almost all electrical circuits for rectification, coupling and tuning. Also known as condensers, a capacitor is simply two electrical conductors separated by an insulating layer called a dielectric. The conductors are usually thin layers of aluminum foil, while the dielectric can be made up of many materials including paper, mylar, polypropylene, ceramic, mica, and even air. Electrolytic capacitors have a dielectric of aluminum oxide which is formed through the application of voltage after the capacitor is assembled. Characteristics of different capacitors are determined by not only the material used for the conductors and dielectric, but also by the thickness and physical spacing of the components.
Capacitor - Sprague Atom, Aluminum Electrolytic
Aluminum Capacitors +85 °C, axial lead. The best electrolytic money can buy. Features:
- Low leakage current
- Long shelf life
- Ideal for application in TV sets, auto radios, radio-phone combinations, electronic testing equipment
Starting at $2.69
Capacitor - JJ Electronics, 500V, 50/50µF, Electrolytic
Same diameter as LCR. Great for use in Marshall amplifiers. 1-3/8" diameter x 2" tall. S-H122 is a good mounting clamp for this can
Capacitor - 500V, 50/50μF, Electrolytic
This low ripple capacitor tests superior to any other capacitor of its value currently being made. Commonly used as filter capacitors in guitar amps. 50 μF + 50 μF @ 500 VDC. 1 3/8" diameter x 2 3/16" tall. Requires clamp - S-H122. Replacement for LCR.