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Understanding High Brightness LED Buzz Words
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Understanding Regulated and Unregulated Power Supplies
#2.2k ohm resistor color code how to#
How to Use a IR Digital Temperature Device How to Use a Variable Benchtop Power Supply Some parts use a “R” to designate the decimal point as in 1r5. As in “103” on the part that’s 10 with 3 Zeros equaling 10 thousand ohms or 10K ohms. These are usually marked using Scientific Notation. There are no color bands on surface mount resistors. The tolerance band is Red for 2% and Brown for 1%. Written it would be 222 or 2201 with no tolerance marking, but its assumed to be 5 or 1. 4 band resistor is red, red, black, brown. Now if you “knock” off 3 places and sub in a K (for Kilo) you get Red Red Red = 2200 or 2.2K ohms, Red Red Orange gives you 22000 or commonly called 22K ohms.Ĭommon usage is ohms up to 1000 then K (Kilo) ohms, at 1,000,000 then M (Meg) ohms.ĥ banded resistors are the same Except these are usually 2% or 1% and there are 3 Value colors and the 4th band is the multiplier. Tolerance is likely gold (5) or more unusually red (2) or silver (10). So Black is no “0” Brown is 1 “0”, Red is 2 “0”, Orange =3 or 3 zeros etc.Īs you can see simply use the mnemonic to get the 2 value digits and the number Zeros to add: Red Red Brown bands = 220 Red Red Red= 2200 Red Red Orange= 22000 etc. So using the mnemonic or the chart that for Black you have 0 as exponent so a multiplier value 1 so 1X the first 2 bands and the number of Zeros is none. Now lets simplify it I case you got lost the 3rd band represents the Exponent in scientific notation. So a 10ohm resistor 5% would be colored: Brown (1) Black (0) Multiplier Black 1X100 (or 1X1)Īnd a 2 thousand Ohm would be colored: Red (2) Black (0) Multiplier Red 1X102 (or 1X100) The 3rd band is the multiplier in powers of Ten or 1X10X. Numeric value is assigned to each color as follows: There are several out there but we use:īad Booze Rots Our Young Guts But Vodka Goes Wellīlack, Brown, Red, Orange, Yellow, Green, Blue, Violet, Gray and White. One of the first things you learn is the mnemonic for the colors. This band is almost always gold or silver, so it is usually easy to identify. Two Helpful Tips for Reading a Resistor: 1) Identify the 4th band first.
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#2.2k ohm resistor color code code#
The tolerance Band means that the actual value is within +- 5% for Gold or 10% for Silver. The 1k resistor color code allows us to quickly identify the resistance value and tolerance of a 1k ohm resistor. The first 2 bands represent numeric value while the third band is the multiplier in scientific notation (Powers of 10). Let’s start with the basic resistor these have 3 value bands and a 4th tolerance band.