![]() ![]() The number is in 01 - 24 range, so the tolerance is 2%.Ĭode "D27" means the same value (120 kiloohms) but with a 5% tolerance, because range 25 - 48 means 5%. The value is then 120 x 1000 = 120 000 ohms or 120 kiloohms. ![]() The number 03 indicates the 3rd value of the E24 table (120) and D indicates The letter is at the beginning to prevent confusion with EIA-96 marking of +/- 1% resistors.Ĭode "D03", for example, indicates a 120 kiloohm resistor. The usage of a letter prevents the confusion with 3-digit marking system. The combinations from 25 to 48 indicate 24 values of the E24 table again, but with a 5% tolerance.įinally, the combinations from 49 to 60 indicate 12 values of the E12 table with a 10% tolerance. The numeric combinations from 01 to 24 indicate 24 values of the E24 table and a 2% tolerance. They have a double function: they indicate the value and the tolerance at the same time. ![]() The digits (numbers) range from 01 to 60. SMD resistors with a 2%, 5% or 10% tolerance can be marked using A11 format (letter followed by two digits). The SMD resistor code E22 stands for 7.5 MΩ / 2%, in words: seven point five Megaohms with two percent tolerance. ![]()
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