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Capacitance Value Calculator for Molded Mica

MICA CAPACITOR
MICA CAPACITOR

Square Mica capacitors with colored dots to indicate value are commonly found in many pieces of vintage equipment, especially equipment based on vacuum tubes, such as radios.

This page is designed to help you determine the value of any of these mica capacitors which you may have. Simply enter the colors of the dots on your capacitor in the order in which they appear and the value of your capacitor will be calculated. Please note that the locations of the dots on your capacitor do not read left to right on 6-dot capacitors.

Note that the information presented in this article is for reference purposes only. Antique Electronic Supply makes no claims, promises, or guarantees about the accuracy, completeness, or adequacy of the contents of this article, and expressly disclaims liability for errors or omissions on the part of the author. No warranty of any kind, implied, expressed, or statutory, including but not limited to the warranties of non-infringement of third party rights, title, merchantability, or fitness for a particular purpose, is given with respect to the contents of this article or its links to other resources.