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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 Mnemonics are used to help memorize the electronic color codes for resistors . Mnemonics describing specific and relatable scenarios are more memorable than abstract phrases.
Wheel-based RMA Resistor Color Code guide. Circa 1945–1950. Circa 1945–1950. Axial resistor cases are usually tan, brown, blue, or green (though other colors are occasionally found as well, such as dark red or dark gray), and display three to six colored stripes that indicate resistance (and by extension tolerance), and may include bands to ...
List of resistors. Axial -lead resistors on tape. The component is cut from the tape during assembly and the part is inserted into the board. Size comparison of axial-lead resistors. A resistor is a passive two-terminal electrical component that implements electrical resistance as a circuit element.
A 75 Ω resistor, as identified by its electronic color code (violet–green–black–gold–red). An ohmmeter could be used to verify this value. Substances in which electricity can flow are called conductors. A piece of conducting material of a particular resistance meant for use in a circuit is called a resistor.
The code letters are loosely related to the corresponding SI prefix, but there are several exceptions, where the capitalization differs or alternative letters are used. For example, 8K2 indicates a resistor value of 8.2 kΩ. Additional zeros imply tighter tolerance, for example 15M0.
An axial-lead through-hole zero-ohm resistor is generally marked with a single black band, [6] the symbol for "0" in the resistor color code. Surface-mount zero-ohm resistors are usually marked with a single or multiple "0" (if size allows marking), where the number of digits can indicate the tolerance or maximum resistance rating, as is the ...
While I'm thinking of it, we also need to cover the 5-band resistor color code with 3 significant digits, multiplier, and tolerance bands which is commonly used for axial type 1% and 2% metal film resistors.--Tothwolf 17:10, 27 October 2009 (UTC) Pictures of old capacitors would be good.
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