How To Read A Capacitor Value

Electrolytic capacitors are pretty simple to read. The can style flat disc and bead styles.

Reading Part Values

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If there is only two number it means there is no multiplier then you just read the value of the first two numbers in picofarads.

How to read a capacitor value. If theres enough room on the capacitor most manufacturers of electronics components print the capacitance directly on the capacitor along with other information such as the working voltage and perhaps the. When the first two numbers are multiplied with the multiplier the resulting value is the value of the capacitor in picofarads. By doug lowe.

In this instructible i will try to explain the markings on capacitors and how to determine the values. You may need to adjust for the following. A 220nf electrolytic capacitor will be labeled as 022uf and not 220nf.

Firstly there are a few different styles of capacitor packages. Electronics all in one for dummies. Ignore capital letters in the units.

Here is how to read ceramic capacitor values. How to read capacitance values on a capacitor. Read the capacitance value.

For example mf is just a variation on mf. The can styles are large enough t. Slight variations are common so look for the value that most closely matches the units above.

Like resistors has some coding which needs to decipher printed digits on ceramic capacitors also needs deciphering. Most large capacitors have a capacitance value written on the side. Reading values printed on electrolytic capacitors is easy digits on ceramic capacitors need to know some theory.

As they are quite big compared to the rest the value is directly written in the enclosurethe value unit is also specified but as they have large capacitance values the chosen unit is the microfarad uf almost 100 of the time even when the unit is smaller ie. The first two numbers describe the value of the capacitor and the third number is the number of zeros in the multiplier.

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Reading Part Values

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