High Voltage Ceramic Capacitor Code

This is the maximum voltage the capacitor is designed to handle.

High voltage ceramic capacitor code.

See below if you suspect your capacitor uses a code for voltage a single letter or one digit and one letter. Now the multiplier is 10 2. Then by just using numbers and letters as codes. A ceramic disc capacitor does not have a polarity and connects in any direction on the printed circuit board.

These are physically much larger than those used on pcbs and have specialized terminals for safe connection to a high voltage supply. The capacitor on the left is of a ceramic disc type capacitor that has the code 473j printed onto its body. Then the 4 1 st digit the 7 2 nd digit the 3 is the multiplier in pico farads pf and the letter j is the tolerance and this translates to. If there is no symbol at all reserve the cap for low voltage circuits only.

This indicates a 22µf capacitor with a maximum voltage of 6v. These colour codes are used from many years for non polarized capacitors like disc and ceramic capacitors. Power ceramic capacitors can be made to withstand voltages in the range of 2kv up to 100 kv with a power specified at much higher than 200 volt amperes. If you are new to capacitor codes then the best way to start is with a chart because that way you can see the arrangement of the code.

47pf 1 000 3 zero s 47 000 pf 47nf or 0 047uf the j indicates a tolerance of 5. Let us see an example of ceramic or disc capacitor for calculating the color code on it. Disc ceramic capacitor. Case code 0603 eia english and 1608 iec metric is 063 x 031 in english and 1 6 x 8 mm in metric.

But it is difficult to identify the values in the case of old capacitors. High voltage ceramic capacitors manufactured by vishay a global leader for semiconductors and passive electronic components. 330 33 10 0 33 pf 10 0 1 here is a table of mostly used codes of ceramic capacitor and their unit conversion in micro nano and picofarad. 1 kv 1 000 volts.

Npo type capacitors are frequently used for precision timing filtering frequency setting and tuning circuits. Case size codes are based on the sizes in 0 01s of an inch in english and 0 1 mm in metric. The tantalum codes can include hight as well. Typically the markings on a capacitor may give the figures like 22 and 6v.

For example 204 20 10 4 200000 pf. 472 47 10 2 4700 pf. Has a very low dissipation factor and are very stable over wide variations in temperature frequency voltage and time. 502 52 10 2 5200 pf.

Ceramic capacitors are generally smaller than types like electrolytic capacitors and therefore the markings need to be more concise. Disc capacitors with colour codes. Hence the value of the capacitor above is 47000 pf 5.