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Ceramic capacitor code chart for 10111/12/2022 ![]() Part of a larger tutorial series on capacitors. Most capacitor numerical markings are 3 digit and express the value in pF (pico Farad = 10^-12 Farad) with the last digit being a power of 10 multiplier.Ģ23 = 22,000 pF = 22 nF = 0.022 uF = 0.000 000 022 F Typically this sort of capacitor is 50 Volt rated but this is not certain. There are several different colour/voltage systems. The code used to quote the temperature coefficient is PPM/✬ (parts per million per degree C). The green dot is quite likely to be a voltage rating, but alas I don't know what system it uses. But there are other temperature coefficient codes which are used in the industry by different manufacturers, especially for capacitors including film and ceramic type of capacitors. Ceramic Disc Capacitors MCCHU Series Page <2> 16/06/12 V1.1 Part Number Table Important Notice : This data sheet and its contents (the 'Information') belong to the members of the Premier Farnell group of companies (the 'Group') or are licensed to it.However page 70 of this superb Vishay ceramic single layer capacitors document suggests you might expect to meet any of eg Note that the use of xNx here is (probably) unqiue to capacitors in the nF range - I do not recall seeing eg xPx or xUx markings ever. The brown capacitors have values in picoFaradsĤ7 = 47 picoFarad = 47 pF = 0.000 000 000 047 Farad !įor the yellow and green capacitors with markings of the form ![]()
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