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Home > Ordnance Documents and other related manuals > > Figure 44. Construction Of An Electrolytic Capacitor
Electrolytic Capacitors.
Electrolytic Capacitors. - Continued

Electronic Principles
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ELECTRONIC PRINCIPLES - OD1647 - LESSON 1/TASK 1
capacitor is no longer in popular use due to the care needed to
prevent spilling of the electrolyte.
A dry electrolytic capacitor consists essentially of two metal
plates separated by the electrolyte. In most cases the
capacitor is housed in a cylindrical aluminum container which
acts as the negative terminal of the capacitor (figure 44). The
positive terminal (or terminals if the capacitor is of the
multisection type) is a lug (or lugs) on the bottom end of the
container. The capacitance value(s) and the voltage rating of
the capacitor are generally printed on the side of the aluminum
case.
FIGURE 44. CONSTRUCTION OF AN ELECTROLYTIC CAPACITOR.
An example of a multisection electrolytic capacitor is
illustrated in figure 44, view B. The four lugs at the end of
the cylindrical aluminum container indicate that four
electrolytic capacitors are enclosed in the can. Each section
of the capacitor is electrically independent of the other
sections.
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