☑ Resistors Table

Standard base resistor values are given in the following tables for the most commonly used tolerances 1 2 5 10 along with typically available resistance ranges. Standard value decade for 1 resistors ohms 100 147 215 316 464 681 102 150 221 324 475 698 105 154 226 332 487 715.

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Resistors table. Standard resistor values 5 10 10 100 10k 10k 100k 10m 11 11 110 11k 11k 110k 11m 12 12 120 12k 12k 120k 12m 13 13 130 13k 13k 130k 13m. In 1952 the iec international electrotechnical commission decided to define the resistance and tolerance values into a norm to ease the mass manufacturing of resistors. More online conversion calculators at digi key.

Standard resistor tables based on eia preferred values. An automatic resistor calculator can be used to quickly find the resistor values. Their tolerance is either 05 or 025 and this results in increased costs along with the fact that there is a much higher number of resistors in the range.

This is the e12 series shown in the table below. Following this logic the preferred values for 10 tolerance resistors between 100 and 1000 ohms would be 100 120 150 180 220 270 330 and so on rounded appropriately. The 120 ohm resistor has a value ranging between 110 and 130 ohms.

Resistor color code chart. The basic unit of resistance is the ohm w. Standard decade resistance values.

The table can also be used to specify the color of the bands when the values are known. The resistor color code calculator decodes and identifies a value and tolerance of 4 band wire wound resistors. The e192 series of standard resistor values also exist but their use is much smaller than those in the other ranges given above.

Standard resistance values are obtained from the decade table by multiplying by powers of 10. To determine values other than the base multiply the base value by 1 10 100 1k or 10k. As an example 133 can represent w 133 w 133 kw 133 kw 133 kw 133 mw.

The chart below shows how to determine the resistance and tolerance for resistors.