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Capacitor polarity
Indentifying Capacitor Polarity
Terry Sturtevant
Wilfrid Laurier University
February 4, 2013
Terry Sturtevant Indentifying Capacitor Polarity
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Capacitor polarity Capacitor Labeling
Some capacitors are unpolarized (like resistors);
Terry Sturtevant Indentifying Capacitor Polarity
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Capacitor polarity Capacitor Labeling
Some capacitors are unpolarized (like resistors);
i.e. they can be placed either way in a circuit.
Terry Sturtevant Indentifying Capacitor Polarity
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Capacitor polarity Capacitor Labeling
Some capacitors are unpolarized (like resistors);
i.e. they can be placed either way in a circuit.
Other types, (such as electrolytics), must be placed in a
particular direction
Terry Sturtevant Indentifying Capacitor Polarity
C i l i C i L b li
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Capacitor polarity Capacitor Labeling
Some capacitors are unpolarized (like resistors);
i.e. they can be placed either way in a circuit.
Other types, (such as electrolytics), must be placed in a
particular direction(indicated by a + sign at one end.)
Terry Sturtevant Indentifying Capacitor Polarity
C it l it C it L b li
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Capacitor polarity Capacitor Labeling
Some capacitors are unpolarized (like resistors);
i.e. they can be placed either way in a circuit.
Other types, (such as electrolytics), must be placed in a
particular direction(indicated by a + sign at one end.)
Big capacitors ( 1F) are usually electrolytic.
Terry Sturtevant Indentifying Capacitor Polarity
Capacitor polarity Capacitor Labeling
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Capacitor polarity Capacitor Labeling
Small electrolytic capacitor
Terry Sturtevant Indentifying Capacitor Polarity
Capacitor polarity Capacitor Labeling
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Capacitor polarity Capacitor Labeling
Big electrolytic capacitor
Terry Sturtevant Indentifying Capacitor Polarity
Capacitor polarity Capacitor Labeling
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Capacitor polarity Capacitor Labeling
Big electrolytic capacitor (top view)
Terry Sturtevant Indentifying Capacitor Polarity
Capacitor polarity Capacitor Labeling
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Capacitor polarity Capacitor Labeling
Big electrolytic capacitor label
Terry Sturtevant Indentifying Capacitor Polarity
Capacitor polarity Capacitor Labeling
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p p y p g
Non-polarized capacitor
Terry Sturtevant Indentifying Capacitor Polarity
Capacitor polarity Capacitor Labeling
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p p y p g
Polarized capacitor connected the right way
Terry Sturtevant Indentifying Capacitor Polarity
Capacitor polarity Capacitor Labeling
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Polarized capacitor connected the wrong way
Terry Sturtevant Indentifying Capacitor Polarity
Capacitor polarity Capacitor Labeling
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Dont do this!!!
Terry Sturtevant Indentifying Capacitor Polarity
Capacitor polarity Capacitor Labeling
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Capacitor Labeling
Terry Sturtevant Indentifying Capacitor Polarity
Capacitor polarity Capacitor Labeling
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Capacitor Labeling
There are a few different ways to identify the polarity of
acapacitor.
Terry Sturtevant Indentifying Capacitor Polarity
Capacitor polarity Capacitor Labeling
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On a big capacitor, the label can go next to the pin.
Terry Sturtevant Indentifying Capacitor Polarity
Capacitor polarity Capacitor Labeling
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On a big capacitor, the label can go next to the pin.
(Note the + sign.)
Terry Sturtevant Indentifying Capacitor Polarity
Capacitor polarity Capacitor Labeling
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Heres a capacitor.
Terry Sturtevant Indentifying Capacitor Polarity
Capacitor polarity Capacitor Labeling
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Heres a capacitor. The positive pin is identified.
Terry Sturtevant Indentifying Capacitor Polarity
Capacitor polarity Capacitor Labeling
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Heres a capacitor.
Terry Sturtevant Indentifying Capacitor Polarity
Capacitor polarity Capacitor Labeling
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Heres a capacitor. On this one, the negativepin is
identified
Terry Sturtevant Indentifying Capacitor Polarity
Capacitor polarity Capacitor Labeling
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This capacitor is axial.
Terry Sturtevant Indentifying Capacitor Polarity
Capacitor polarity Capacitor Labeling
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This capacitor is axial. It has the negative pin identified.
Terry Sturtevant Indentifying Capacitor Polarity
Capacitor polarity Capacitor Labeling
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Another capacitor
Terry Sturtevant Indentifying Capacitor Polarity
Capacitor polarity Capacitor Labeling
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Another capacitor with the positive pin identified
Terry Sturtevant Indentifying Capacitor Polarity
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