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 

ohm ohm kohm kohm kohm
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

ohm ohm kohm kohm kohm
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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