These resistors are intended to sit on top of pcbs, where theyre soldered onto mating landing pads. Inductor colour code calculator this calculator converts colour codes to inductor values. Also how to convert from picofarads to microfarads. If you come across these capacitors, try looking up a capacitor color code guide like the one here to decipher the codes for capacitance, breakdown voltage, and other values. This system of colour coding is now obsolete but there are still many old capacitors around.
These calculators can convert the 3digit value codes and alphabetical tolerance codes found on some capacitors into the corresponding value and viceversa. These colour codes are used from many years for nonpolarized capacitors like disc and ceramic capacitors. You may wish to check out our resistor color code table and calculator. It is a component of an electronic circuit that typically consists of a pellet of tantalum metal as the anode, covered by an insulating oxide layer that forms the dielectric, surrounded by a. Color decimal multiplier c tolerance d above 10pf tolerance d below 10pf temp coef ppmc. See below if you suspect your capacitor uses a code for voltage a single. Some small capacitance capacitors can be marked with an r between numbers. The color codes are used not only in capacitors but also in other electronic components such as resistors and inductors. The six digits indicate a capacitance of 2200 pf with a 40 percent tolerance and a working voltage of 44 volts the ceramic capacitor is color coded as shown in figure 323 and the mica capacitor as shown in figure 324.
Capacitors are available in a huge range of package styles, voltage and current handling capacities, dielectric types, quality factors, and many other parameters. Must read method of ceramic capacitor code reading surface mount non leaded surface mount resistor are mainly tiny size and rectangular shape in black colour. Colour code carbon resistors for resistors bc d tol and c10pf c capacitor value table from 0. Resistor color code chart handout edit, fill, sign. Because carbon resistors are physically small, they are colorcoded to identify their resistance value in ohms. Similarly if the capacitor code is 152, the 3 rd digit is 2 so multiplier factor is 100. Both parts of each calculator work separately you do not have to enter both value code and tolerance code. Practically all leaded resistors with a power rating up to one watt are marked with color bands. The first two significant digits represent the first two digits of the actual value, which is 47. Let us see an example of ceramic or disc capacitor for calculating the color code on it. Capacitor chart tantalum capacitor color codes charts color color 1st figure 2nd figure multiplier voltage black 0 1 10 brown 1 1 10. This type of capacitor marking is used less these days but may be seen on some older capacitors. First, most will have three numbers, but sometimes there are just two numbers.
Mica capacitor values charts value multiplier letter tolerance 0 1 b 0. Capacitor colour codes and colour code descriptions. Capacitor color codes modern capacitors use the numerical markings we outlined above, but older capacitors employed a now obsolete color coding system. There are two types of flat capacitors and one cylindrical that use color codes. If there is no tolerance band, then find the side that has. In this scheme each color of a capacitor indicates a specific capacitance value. Capacitor chart tantalum capacitor color codes charts color color 1st figure 2nd figure multiplier voltage black 0 1 10 brown 1 1 10 red 2 2 100 orange 3 3 parallel capacitance math.
This is the maximum voltage the capacitor is designed to handle. Capacitor colour code and markings free download as pdf file. This standard describes the marking codes for resistors and capacitors. The absence of a tolerance band indicates 20 00 tolerance for resistors and refer to data on specific types for capacitors. Even a value that you are accustomed to thinking of in microfarads, such as a. The negative side is usually clearly marked with the negative. Some of these markings and codes include capacitor polarity marking. Case codes are most often seen with tantalum capacitors. If we consider a four color band capacitor, then the first and second colors marked on the capacitor represents the value of the capacitor and the third color band represents the decimal multiplier in. Capacitance of a capacitor is the ability of a capacitor to store maximum charge on its plates. Understanding capacitor codes and markings homemade. Click here for resistor colour code and smd resistor code ceramic disc capacitors have two to three digits code printed on them.
Sep 05, 2015 top 5 elctronic project with bc547 transistor, tri ac, rgb led, photo diode duration. The capacitor on the left is of a ceramic disc type capacitor that has the code 473j printed onto its body. Resistor, capacitor and inductor it is sometimes not obvious whether a color coded component is a resistor, capacitor, or inductor, and this may be deduced by knowledge of its circuit function, physical shape or by measurement. Capacitor colour codes and colour code descriptions elprocus. But it is difficult to identify the values in the case of old capacitors. How to read capacitor code value ceramic capacitor code. Here, the different colors coated on the capacitor acts as codes. The capacitor s first and second bands are the significant number bands, the third is the multiplier, followed by the percentage tolerance band and the voltage band. Heres a clear explanation of what these codes mean and how to read them. Find the value and tolerance of a 4band, 5band, or 6band resistor with our resistor colour code calculator or download our colour code pdf for reference. The first two numbers describe the value of the capacitor and the third number is the number of zeros in the multiplier.
Resistor color code chart resistors are devices that limit current flow and provide a voltage drop in electrical circuits. So this is how a capacitor valuecode calculator calculates the ceramic capacitor value from the capacitor code, or vice versa. In general, four or more than four colors or dots are used to mark capacitors. Type the inductance in the box below and select the units and optionally the tolerance from the dropdown boxes.
May 22, 2015 this video is about reading the color codes on caps and resistors. Resistor and capacitor color codes complete with mica. They are used with resistors in timing circuits because it takes time for a capacitor to fill with charge. The coding is defined in the international standard iec 60062.
If there is room on the body of the capacitor, the manufacturer usually lists voltage as a number followed by a v, vdc, vdcw, or wv for working voltage. It is a component of an electronic circuit that typically consists of a pellet of tantalum metal as the anode, covered by an insulating oxide layer that forms the dielectric, surrounded by a conductive material as the cathode. The code used is actually the same as that used with resistors as it utilises the eia scheme. Edit, fill, sign, download resistor color code chart handout online on.
Download the pdf here electrolytic capacitor these polaritysensitive capacitors are the easiest to decipher because their value and maximum voltage ratings are listed directly on the metal component can. Terminal on its side with smaller, shiny, silver, with conductive edges. However, when the value of the capacitance is of a decimal value problems arise with the marking of the decimal. Printable and fillable resistor color code chart handout. How to read colour code of resistor, smd resistor code. Then the 4 1 st digit, the 7 2 nd digit, the 3 is the multiplier in picofarads, pf and the letter j is the tolerance and this translates to. This video is about reading the color codes on caps and resistors. Colour code carbon resistors for resistors bc d tol and c10pf c pdf document tags. The capacitance of a capacitor is measured in the units of farads. They are also used in filter circuits because capacitors easily pass ac changing signals but they block dc constant signals. Ceramic capacitor codes how to read a ceramic capacitor with numeric coding.
Some capacitors will have their capacitance and voltage ratings printed directly on the component, but some may have a three or four digit code. A separate code, the 25pair color code, is used to identify wires in some telecommunications cables. First of all, capacitors are coded in pico farads pronounced peko farads. The capacitor colour code system was used for many years on unpolarised polyester and mica moulded capacitors. The various parameters of the capacitors such as their voltage and tolerance along with their values is represented by different types of markings and codes. Resistor color code system resistor color coding system applies to carbon film resistors, metal oxide film resistors, fusible resistors, precision metal film resistors, and wirewound resistors cylindrical with enlarged ends of the axial lead type. For identifying the capacitor values and tolerances international colour coding scheme electronic colour coding was introduced. Capacitor chart, capacitor code guide, mica capacitor values. Colour code carbon resistors for resistors bc d tol and c10pf c capacitors note. Specifying the values of electronic components such as capacitors, resistors and inductors by using the color codes printed on them is called electronic color. This colour scheme for capacitors is usually called as capacitor color coding. There are many different types of capacitors, but typically most do not have color coding like resistors. Different codes are used for wire leads on devices such as transformers or in building wiring. Jun 18, 2019 capacitor codes and associated markings.
The system that uses various types of colors to display various information is termed as the color code or. Handy formulae for series and parallel capacitors, stored charge, and stored energy. Standard capacitor color codes voltage across capacitor. Ceramic disc capacitor code label will normally consist of three numbers followed by a letter. Every value shown in microfarads, nanofarads, picofarads, european and eiamil codes, and colour codes. An electronic color code is used to indicate the values or ratings of electronic components, usually for resistors, but also for capacitors, inductors, diodes and others. Resistor color code system how to read the resistor code. Method of finding the valuemeaning of codes of capacitor.
Capacitor code guide value type code value type code 1. Capacitor colour code and markings capacitor resistor scribd. Nowadays, small capacitors such as film or disk types conform to the bs1852 standard and its new replacement, bs en 60062, were the colours have been replaced by a letter or number coded. How to read capacitor codes large capacitor have the value printed plainly on them, such as 10. If we consider a four color band capacitor, then the first and second colors marked on the capacitor represents the value of the capacitor and the third color band represents the decimal multiplier in picofarads. A tantalum capacitor is a type of electrolytic capacitor. Top 5 elctronic project with bc547 transistor, tri ac, rgb led, photo diode duration. Using this color scheme we can easily identify the capacitance values, voltages and tolerance values of any capacitor. The colour bands will be displayed below on the image of the inductor.