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A 2.26 kΩ, 1%-precision resistor with 5 color bands (), from top, 2-2-6-1-1; the last two brown bands indicate the multiplier (×10) and the tolerance (1%).. An electronic color code or electronic colour code (see spelling differences) is used to indicate the values or ratings of electronic components, usually for resistors, but also for capacitors, inductors, diodes and others.
Color coded resistors. ... The first letter of the color code is matched by order of increasing magnitude. The electronic color codes, in order, are: ...
Old style "dog bone" resistors with "body, tip, dot" color code marking Three carbon composition resistors in a 1960s valve (vacuum tube) radio. Carbon composition resistors (CCR) consist of a solid cylindrical resistive element with embedded wire leads or metal end caps to which the lead wires are attached.
Electronic color code – color-code used to indicate the values of axial electronic components, such as resistors, capacitors, inductors, diodes (also see IEC 60062) Geometric progression; Preferred number; Renard series – used for current rating of electric fuses
Early 20th century resistors, essentially uninsulated, were dipped in paint to cover their entire body for color-coding. This base color represented the first digit. A second color of paint was applied to one end of the element to represent a second digit, and a color dot (or band) in the middle provided the third digit.
Originally meant also as part marking code, this shorthand notation is widely used in electrical engineering to denote the values of resistors and capacitors in circuit diagrams and in the production of electronic circuits (for example in bills of material and in silk screens).
Electronic color code; List of electronic color code mnemonics; F. Force-sensing resistor; H. High value resistors (electronics) Humistor; I. Iron–hydrogen resistor ...
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