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Resistors - Standard Values

Preferred number series for resistors

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Preferred number series for resistors according IEC 60063 are indicated below.

Electrical resistor

Resistors with 20% tolerance 

Resistance
ohmkohm
10 100 1 10 100
15 150 1.5 15 150 ..
22 220 2.2 22 220 ..
33 330 3.3 33 330 ..
47 470 4.7 47 470 ..
68 680 6.8 68 680 ..

Resistors with 10% tolerance

Resistance
ohmkohm
10 100 1 10 100 ..
12 120 1.2 12 120 ..
15 150 1.5 15 150 ..
18 180 1.8 18 180 ..
22 220 2.2 22 220 ..
27 270 2.7 27 270 ..
33 330 3.3 33 330 ..
39 390 3.9 39 390 ..
47 470 4.7 47 470 ..
56 560 5.6 56 560 ..
68 680 6.8 68 680 ..
82 820 8.2 82 820 ..
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