Non-Polar or Bipolar Electrolytic Capacitor 4.7uF, 16V



Non-Polar and bipolar are both used to describe electrolytic capacitors which may have a voltage of either polarity applied.  In this particular case, the only indication that the capacitor is a bipolar type is the absence of a polarity marking.  Often there will be some other indication such as an "N.P." mark.  The schematic symbol is usually that of an ordinary capacitor.

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