1. Classification of Capacitors
Capacitors Overview
The current condenser is usually referred to as a capacitor, represented by the letters C.
Capacitor, as the name suggests, is a 'container to store electric', is a device to
accommodate the charge. Capacitance is one of the f electronic equipments extensively use
in industries, and the electronic components are widely used in circuit interval through AC
coupling, bypass, filtering, tuning circuit, energy conversion and control. Capacitor is a
conductor (wire) formed between any two mutually insulated and closely spaced.
Capacitors Classification
Capacitors, according to structures, can be divided into three major categories: fixed
capacitors, variable capacitors and trimmer capacitors; according to electrolyte, it can be
divided into organic dielectric capacitors, inorganic media capacitor, electrolytic capacitor and
air dielectric capacitor; if divided by purpose, there are: high frequency bypass, low frequency
bypass , filtering, tuning, high frequency coupling, low-frequency coupling, small capacitors;
according to different materials, it can be divided into: ceramic capacitors, polyester
capacitors, electrolytic capacitors, tantalum capacitors, as well as advanced polypropylene
capacitors, etc.; high-frequency bypass: high-voltage ceramic capacitor, mica capacitor,
glass film capacitors, polyester capacitors, glass glaze capacitors; low frequency bypass:
paper dielectric capacitors, ceramic capacitors, electrolytic capacitors, polyester capacitors;
filtering: aluminum electrolytic capacitors, paper capacitor composite paper dielectric
capacitors, wet tantalum capacitors; low coupling: paper dielectric capacitors, ceramic
capacitors, electrolytic capacitors, polyester capacitors, solid tantalum capacitors, and the
plastic film capacitor is one of the most widely used capacitors in industry.
Capacitor Model Name
Generally, the domestic capacitor model consists of four parts (does not apply to the
pressure-sensitive, variable vacuum capacitors). In turn represent the name, materials,
classification, and serial number. The first part: Name, expressed in letters, capacitor C. Part
II: material, represented by the letters. Part III: Classification, general numerals, the individual
with the letter. Part IV: No. numerals. Air conditioning accessories capacitor indicate the
material with letters: A-tantalum electrolytic, B-non-polar polystyrene film, C-frequency
ceramic, D-aluminum electrolytic, E-other materials electrolysis, G-alloy electrolysis, H- polar
organic thin film of the composite medium, I-glass glaze, J-metallized paper, polyester, etc. of
L-N-niobium electrolytic O-glass film, Q-film, a T-low frequency ceramic, V-mica paper, the Y-
mica and Z-paper capacitor.

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