1/4w RESISTORS 100PCS (1K,2.2K,3.3K,4.7K,100K,330K,220K,56K,47K,8.2K,33K,22K,680ohms,220ohms,10 ohms,22 ohms,100 ohms,470 ohms,180 ohms,300 ohms,330 ohms,560 ohms,1 mega)

Product Code:COM-KE-905

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1/4w RESISTORS 100PCS (1K,2.2K,3.3K,4.7K,100K,330K,220K,56K,47K,8.2K,33K,22K,680ohms,220ohms,10 ohms,22 ohms,100 ohms,470 ohms,180 ohms,300 ohms,330 ohms,560 ohms,1 mega)

A resistor is a passive two-terminal electrical component that implements electrical resistance as a circuit element. Resistors act to reduce current flow, and at the same time, act to lower voltage levels within circuits. In electronic circuits resistors are used to limit current flow, to adjust signal levels, bias active elements, terminate transmission lines among other uses.

How To Calculate And Understand Resistor Values

Resistors

A resistor is a device that opposes the flow of electrical current. The bigger the value of a resistor the more it opposes the current flow. The value of a resistor is given in ohms and is often referred to as its ‘resistance’.

Identifying Resistor Values

understanding_component_uses_and_symbols_resistor_values_560

Band Colour 1st Band 2nd Band Multiplier x Tolerance
Silver     ÷ 100 10%
Gold     ÷ 10 5%
Black 0 0 1  
Brown 1 1 10 1%
Red 2 2 100 2%
Orange 3 3 1000  
Yellow 4 4 10,000  
Green 5 5 100,000  
Blue 6 6 1,000,000  
Violet 7 7    
Grey 8 8    
White 9 9    

 

Example: Band 1 = Red, Band 2 = Violet, Band 3 = Orange, Band 4 = Gold   Too many zeros?
The value of this resistor would be:     kilo ohms and mega
2 (Red) 7 (Violet) x1,000 (Orange) = 27 x 1,000   ohms can be used:
  = 27,000 with a 5% tolerance (gold)   1,000 ohms =1k
  = 27k ohms   1,000k = 1M
 

 

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