E24 e96 resistor values pdf

Thick film general purpose chip resistors size 1206, 0805. Standard values of nominal resistance are taken from the e24 series for resistors with a tolerance of 5%, and e96 series for resistors with a tolerance of 1%. Often designs try to keep to the e3 or e6 standard resistor values, only using those in the e12, e24, e48 or e96 if absolutely necessary. E represents the number of values in a row for each decimal interval. For example, many manufacturers cut each value in the e24 list into 1% and 2% tolerance, although the practice makes little mathematical sense. The color code of the resistor and the preferred values of the eia are internationally accepted standards, but some manufacturers have their own way of doing things. Standard resistance values for the 10 to 100 decade also usable in decade multiples or submultiples e192 e96 e24 e12 e6 e192 e96 e24 e12 e6 e192 e96 e24 e12 e6 e192 e96 e24 e12 e6 e192 e96 e24 e12 e6 0. E6, e12, e24, e48, e96 and e192, where the digit following the letter e represents the number of values in a row for each decimal interval.

The standard e3, e6, e12, e24, e48 and e96 resistor values are listed below. The values of the e24 e96 series are in accordance with iec publication 60063 derating the power that the resistor can dissipate depends on the operating temperature. Mar 20, 2021 standard resistor value series and tolerances. Smd aecq200 compliant thick film chip resistor 17732043 cis wr 032018 dimensions in millimetres unless otherwise specified. E3 50% tolerance no longer used e6 20% tolerance now seldom used e12 10% tolerance e24 5% tolerance e48 2% tolerance e96. I have not seen anyone include the option for e24 series values when trying to find the optimum 1% resistor values. Table of all nominal resistance values of resistors, which conform to e24 series. The values in any decade can be derived by merely dividing or multiplying the table entries by powers of 10. E96 5 % e24 e96 1 % e24 1 % e96 1 % 3 digits identify the 4 digits identify the 3 digits identify the 3 digits identify the resistance value resistance value resistance value resistance value 301 30 x 101 300 ohms 1542 154 x 102 15. Occasionally e24, e48, e96 or even e192 series values may needed for high accuracy and close tolerance requirements. All e24 values available in 1% tolerance are also marked with 3. For basic guidelines on using resistors,see the technical reports issued by japan electronics and. When the resistor dissipates power, a temperature rise above the ambient temperature occurs, dependent on the thermal.

Standard series values in a decade for resistances and capacitances e3 to e192 according to iec 60063 e192 e96 e48 e192 e96 e48 e192 e96 e48 e192 e96 e48 e24 e12 e6 e3 100 100 100 178 178 178 316 316 316 562 562 562 10 10 10 10 101 180 320 569 11 102 102 182 182 324 324 576 576 12 12 104 184 328 583. The values in any decade can be derived by merely dividing or multiplying the table entries by powers of the different sets of standard resistor values are known by their eseries numbers. E3 50% tolerance no longer used e6 20% tolerance now seldom used e12 10% tolerance e24 5% tolerance e48 2% tolerance e96 1% tolerance e192 0. May 17, 2016 this increases the range of values available for resistor divider networks and allows you to sometimes get an exact match when restricting yourself to the e96 series would be a compromise. The series e24 is comprised of 24 values per decade and applies to 2% and 5% tolerances. The most common preferred value series is the e24 series.

Standard eia decade values for e6, e12, e24, e96, e. Using 10% tolerance devices as an example, suppose that the first preferred value is 100 ohms. Instead of using advanced javascript functions that would make the script incompatible with older browsers, i. Standard eia decade values for e6, e12, e24, e96, e192. E24 e96 values example 2 4band marking e24 e96 values without tolerance example 3 4band marking e24 values 4 7 0 x100 1% 47k 1% e. Please refer to standard resistance values shown on this catalog. Eia standard resistor values by tolerance% move the decimal point to achieve the actual value desired. The eia preferred values or standard resistor values can be summarised in a tabular form to give the different values within each decade. Jul 08, 2019 often designs try to keep to the e3 or e6 standard resistor values, only using those in the e12, e24, e48 or e96 if absolutely necessary. Below 100 ohms or above 1k, the series simply repeats. Youll find the values for the e6, e12, e24, e48, e96 and e192 series or preferred resistor values in this table. Preferred value series for resistors and capacitors. General resistor information resistive product solutions for shared e24 e96 values, 1% tolerance products may be marked with 3digit marking instead of the standard 4digit marking for all other e96 values. A value of 105 ohm resistor falls within the 10% tolerance range of the 100 ohm resistor, so the next value outside the range.

Occasionally e24, e48, e96 or even e series values may needed for high accuracy and close tolerance requirements. These standard resistor values are those which can be bought. Since some values in the e24 series do not exist in the e48, e96 and e192 series, resistor manufacturers have added the missing e24 values to some of their 1%, 0. They are the standard e3, e6, e12, e24, e48 and e96 resistor values. The ordering code of a yc122 convex chip resistor array, value 1,000. The resistor is produced by sputtering a metal film onto high grade alumina and protecting with three complete printed layers.

E12, e24, e48 or e96 resistor to match your requirements. E6 has six resistance values in each decimal interval, e12 has twelve, e24 has twentyfour and so forth. It consists of the e3e6e12e24e48e96 and e series, where the number after the e designates the quantity of value steps in each series. The eia preferred values can be summarised in tabular form to give the different values within each decade. Resistor marking codes page 2 of 2 marking codes used on welwyn chip resistors where space allows, chip resistors are marked with value in 3 or 4 characters. Quantization errors in resistor values are inherent to javascript. All our rsmd products meet rohs compliant and halogen free. E24 series of preferred numbers resistor sorting youtube. Oct 04, 2006 because there are 12 standard values within a decade range. As you can see in the chart, e24 values are nicely spaced between 100 and 1k ohms. Standard series values in a decade for resistances and. Eia standard resistor values stackpole electronics, inc. Ill omit e192 as not sufficiently popular to be worth boring you. Thought i would try sorting my resistors using the e24 series.

Jan 02, 20 the function stdeia has three arguments and returns a single value. The resistor is laser trimmed to the rated resistance value. In any event, one should be aware of these practices to avoid confusion. This can be useful when trying to find a matching resistor value when having done some electronics calculations and youre looking for a particular value. Standard values e24 series characteristics electrical. Jul 01, 2009 the rationale is simple select values for components based on the tolerances with which they are able to be manufactured. E3, e6, e12, e24, e48, e96 values chart and tables of standard or common resistor values in the e3, e6, e12, e24, e48, e96 ranges. This page was last edited on 1 novemberat the preferred value system has its origins in the early years of the last century at a time when most resistors were carbongraphite with relatively poor manufacturing tolerances. The different sets of standard resistor values are known by their eseries numbers. Other eia standards define the values for other tolerance ranges. The name e24 comes from the fact that there are 24 values per decade of resistance. If you need to find the value of a resistor you can use this tool to choose the colours for each band and see what they mean as well as the actual value.

If you know what resistance you want but dont know which resistor has the closest value you can use this tool to find the closest e6. E24 e96 values without tolerance example 3 4band marking e24 values 4 7 0 x100 1% 47k 1% e. The rn73 series is a high stability precision chip resistor range offering various power dissipations relating to chip size, tcrs down to 5ppmc and resistance tolerances to 0. The rp73 resistor has accurate and uniform physical dimensions to reduce placement problems. Depending on the accuracy required, resistances are available in 12 standard resistor values for every decade between 1 and 10, 10 and 100, 100 and etc. Apr 19, 2020 the standard resistor values are organised into a set of series of values known as the eseries. Notes 6 12 24 96 the values are rounded up or down based on the number of effective digits. Successive values within a decade series are related approximately by a factor of for the e12 series, for the e24 series, for the e96 series and for the e192 series. Values are restricted to the e96 and e24 value grids.

Resistor e series tables of values below are the common resistor values. The resistor is produced with three sputtered layers giving optimum performance. The series e96 applies to 1% tolerance and e192 applies to 0. Xrxx, xxrx size 0805 to 2512 of rcacrvsrafaa series. Turned out much easier than i expected to find the resistor i need quickly. Preferred values for resistors and capacitors north coast. Preferred values for resistors and capacitors north. Jul 03, 2019 resistor values e6 e12 e24 e48 e96 e it should be noted that some values in the e24 series dont exist in e48 to e series. The resistor is covered with a protective epoxy coat, finally the two external terminations matte tin on nibarrier are added as shown in fig. Optimum resistor ratio approximation using standard. This allows easier purchasing migration between different tolerance parts.