Electronics Capacitor Tolerance Code

Part of the Electronics For Dummies Cheat Sheet

In electronic circuits, the tolerance of capacitors can be determined by a code that appears on the casing. The code is a letter that often follows a three-digit number (such as 130Z). The following table outlines tolerance values for some common capacitors.

Code Tolerance
B ± 0.1 pF
C ± 0.25 pF
D ± 0.5 pF
F ± 1%
G ± 2%
J ± 5%
K ± 10%
M ± 20%
Z +80%, –20%
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