This is a simple online calculator for color band resistor marking inductor color band marking ceramic or tantalum capacitor 3 digit marking and smd resistor 3 digit 4 digit 10 5 2 and eia 96 e96 1 tolerance code marking. 47 10000 470000 pf 470 nf 047 uf with the j meaning a 5 tolerance.
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For example if a ceramic capacitor has a code 5 and other has 47 their respective capacitance values are 5 pf and 47 pf.
1 nanofarad capacitor code. When reading schematics repairing radios and buying capacitors you often must convert between uf nf and pf. Finally it occurred to me to do up this chart. With all the values listed here you will not have any need to use a calculator.
The capacitors first and second significant number ids and are the first and second values followed by the multiplier number code followed by the percentage tolerance letter code. The term nanofarad has come into much greater use in recent years although in some countries its use is not as widespread with values being expressed in large numbers of picofarads eg. 0001uf again for a nanofarad.
This chart allows one to convert between picofarads nanofarads and microfarads. If the capacitor code consist only 1 or 2 digits it is simply their capacitance value in picofarads pf. When i first started doing electronics capacitors caps were a real puzzle and i often just substituted them in a breadboarded circuit until i found one that worked.
Looking at our capacitor we will see its marked 474j this should be read as follows 47 times the value that can be found in table 1 corresponding to the 3rd number in this case 10000. Then by just using numbers and letters as codes. Here is my complete conversion chart for all standard capacitor values.
Short forms for micro farad include uf mfd mfd mf and uf. Capacitor uf nf pf conversion chart. Standard capacitor values conversion chart pf nf uf.
Most capacitors actually have the numeric values stamped on them however some are color coded and some have alphanumeric codes. Capacitor code guide. Now i have a dmm that reads capacitance which makes identifying capacitors much simpler.
47pf 1000 3 zeros 47000 pf 47nf or 0047uf the j indicates a tolerance of 5. 1000pf for 1 nf or fractions of a microfarad eg. Ceramic capacitors encoding consists 1 3 digits.
Paper and electrolytic capacitors are usually expressed in terms of uf microfarads. 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. Capacitance 1 nf to 100 nf capacitors manufactured by vishay a global leader for semiconductors and passive electronic components.
The 3 digit capacitor code 102 stands for 1 nf in words. The capacitor on the left is of a ceramic disc type capacitor that has the code 473j printed onto its body.
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