How to Read Capacitor Value Markings

Part of the Circuitbuilding Do-It-Yourself For Dummies Cheat Sheet

When you’re building circuits with capacitors, you’ll need to learn to read the value markings, which not only designate values but other parameters as well.

###L (Three numbers and a letter) Numbers 1 and 2 are value digits.
Number 3 is a multiplier: 0 = × 1, 1 = × 10, 2 = × 100, 3 = × 1000, 4 = × 10,000.
Letter denotes tolerance: J = 5%, K = 10%, L = 20%
##p or ##n Numbers 1 and 2 are value digits.
p denotes pF, n denotes nF.
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