Standard Nominal Resistance Values:
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1 Standard Nominal Resistance Values: The below chart shows the nominal resistance value for each series. The values in the chart have been in this order using the approximate values that are based on the common ratios given in the following table: Series Common Ratio Remarks E (1.46) E-12 (1.21) Rounded off to a 2-digit figure E-24 (1.10) E-96 (1.02) Rounded off to a 3-digit figure E-6 E-12 E-24 E-96 E-6 E-12 E-24 E-96 E-6 E-12 E-24 E
2 Standard Nominal Resistance Values: E-24 series standard resistance values & the codes to be used in the part No. system (4 digits): VALUE CODE VALUE CODE VALUE CODE VALUE CODE VALUE CODE VALUE CODE VALUE CODE 1.0Ω 010J 10Ω Ω KΩ KΩ KΩ MΩ Ω 011J 11Ω Ω KΩ KΩ KΩ MΩ Ω 012J 12Ω Ω KΩ KΩ KΩ MΩ Ω 013J 13Ω Ω KΩ KΩ KΩ MΩ Ω 015J 15Ω Ω KΩ KΩ KΩ MΩ Ω 016J 16Ω Ω KΩ KΩ KΩ MΩ Ω 018J 18Ω Ω KΩ KΩ KΩ MΩ Ω 020J 20Ω Ω KΩ KΩ KΩ MΩ Ω 022J 22Ω Ω KΩ KΩ KΩ MΩ Ω 024J 24Ω Ω KΩ KΩ KΩ MΩ Ω 027J 27Ω Ω KΩ KΩ KΩ MΩ Ω 030J 30Ω Ω KΩ KΩ KΩ MΩ Ω 033J 33Ω Ω KΩ KΩ KΩ MΩ Ω 036J 36Ω Ω KΩ KΩ KΩ MΩ Ω 039J 39Ω Ω KΩ KΩ KΩ MΩ Ω 043J 43Ω Ω KΩ KΩ KΩ MΩ Ω 047J 47Ω Ω KΩ KΩ KΩ MΩ Ω 051J 51Ω Ω KΩ KΩ KΩ MΩ Ω 056J 56Ω Ω KΩ KΩ KΩ MΩ Ω 062J 62Ω Ω KΩ KΩ KΩ MΩ Ω 068J 68Ω Ω KΩ KΩ KΩ MΩ Ω 075J 75Ω Ω KΩ KΩ KΩ MΩ Ω 082J 82Ω Ω KΩ KΩ KΩ MΩ Ω 091J 91Ω Ω KΩ KΩ KΩ MΩ MΩ 0106 E-96 series standard resistance values & the codes to be used in the part No. system (4 digits): VALUE CODE VALUE CODE VALUE CODE VALUE CODE VALUE CODE VALUE CODE VALUE CODE VALUE CODE 10.0Ω 100J 17.8Ω 178J 31.6Ω 316J 56.2Ω 562J 100Ω Ω Ω Ω Ω 102J 18.2Ω 182J 32.4Ω 324J 57.6Ω 576J 102Ω Ω Ω Ω Ω 105J 18.7Ω 187J 33.2Ω 332J 59.0Ω 590J 105Ω Ω Ω Ω Ω 107J 19.1Ω 191J 34.0Ω 340J 60.4Ω 604J 107Ω Ω Ω Ω Ω 110J 19.6Ω 196J 34.8Ω 348J 61.9Ω 619J 110Ω Ω Ω Ω Ω 113J 20.0Ω 200J 35.7Ω 357J 63.4Ω 634J 113Ω Ω Ω Ω Ω 115J 20.5Ω 205J 36.5Ω 365J 64.9Ω 649J 115Ω Ω Ω Ω Ω 118J 21.0Ω 210J 37.4Ω 374J 66.5Ω 665J 118Ω Ω Ω Ω Ω 121J 21.5Ω 215J 38.3Ω 383J 68.1Ω 681J 121Ω Ω Ω Ω Ω 124J 22.1Ω 221J 39.2Ω 392J 69.8Ω 698J 124Ω Ω Ω Ω Ω 127J 22.6Ω 226J 40.2Ω 402J 71.5Ω 715J 127Ω Ω Ω Ω Ω 130J 23.2Ω 232J 41.2Ω 412J 73.2Ω 732J 130Ω Ω Ω Ω Ω 133J 23.7Ω 237J 42.2Ω 422J 75.0Ω 750J 133Ω Ω Ω Ω Ω 137J 24.3Ω 243J 43.2Ω 432J 76.8Ω 768J 137Ω Ω Ω Ω Ω 140J 24.9Ω 249J 44.2Ω 442J 78.7Ω 787J 140Ω Ω Ω Ω Ω 143J 25.5Ω 255J 45.3Ω 453J 80.6Ω 806J 143Ω Ω Ω Ω Ω 147J 26.1Ω 261J 46.4Ω 464J 82.5Ω 825J 147Ω Ω Ω Ω Ω 150J 26.7Ω 267J 47.5Ω 475J 84.5Ω 845J 150Ω Ω Ω Ω Ω 154J 27.4Ω 274J 48.7Ω 487J 86.6Ω 866J 154Ω Ω Ω Ω Ω 158J 28.0Ω 280J 49.9Ω 499J 88.7Ω 887J 158Ω Ω Ω Ω Ω 162J 28.7Ω 287J 51.1Ω 511J 90.9Ω 909J 162Ω Ω Ω Ω Ω 165J 29.4Ω 294J 52.3Ω 523J 93.1Ω 931J 165Ω Ω Ω Ω Ω 169J 30.1Ω 301J 53.6Ω 536J 95.3Ω 953J 169Ω Ω Ω Ω Ω 174J 30.9Ω 309J 54.9Ω 549J 97.6Ω 976J 174Ω Ω Ω Ω
3 Standard Nominal Resistance Values: VALUE CODE VALUE CODE VALUE CODE VALUE CODE VALUE CODE VALUE CODE VALUE CODE VALUE CODE 1.00K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K M 1004 ** All values shown above are standard resistance values, other values could also be provided on a case to case basis
4 Explanation of Part No. System: The standard Part No. includes 14 digits with the following explanation: 1. 1 st ~ 4 th digits: a) This is to indicate the Chip Resistor size. Example: 1206, 0805 or 0603; b) For Network Resistor & Coated type, the 1 st to 3 rd digits are to indicate the product type and the 4 th digit is the special feature. Example: RNLA = Resistor Network Circuit A type; CFRF = Carbon Film Fixed Resistors Non Flame type; MORI = Metal Oxide Film Fixed Resistors Non-Inductive type. c) For Cement Fixed Resistors, these 4 digits are to indicate the product type but if the product type has only 3 digits, the 4 th digit will be 0. Example:PRW0=PRW type; PRWC=PRWC type. 2. 5th ~ 6th digits: a) This is to indicate the wattage or power rating. To distinguish the sizes and the numbers, the following codes are used; and please refer to the following chart for details: W = Normal Size; S = Small Size; U = Extra Small Size; And 1 ~ G to denotes 1 ~ 16 as Hexadecimal: 1/16W ~ 1/2W (<1W) Wattage 1/2 1/3 1/4 1/5 1/6 1/7 1/8 1/9 1/10 1/11 1/12 1/13 1/14 1/15 1/16 Normal Size W2 W3 W4 W5 W6 W7 W8 W9 WA WB WC WD WE WF WG Small Size S2 S3 S4 S5 S6 S7 S8 S9 SA SB SC SD SE SF SG Extra Small Size U2 U3 U4 U5 U6 U7 U8 U9 UA UB UC UD UE UF UG 1W ~ 16W ( 1W) Wattage Normal Size Small Size Extra Small Size W 2W 3W 4W 5W 6W 7W 8W 9W AW BW CW DW EW FW GW 1S 2S 3S 4S 5S 6S 7S 8S 9S AS BS CS DS ES FS GS 1U 2U 3U 4U 5U 6U 7U 8U 9U AU BU CU DU EU FU GU b) For power rating less than 1 watt, the 5 th digit will be the letters W, S or U to represent the size required & the 6 th digit will be a number or a letter code. Example: WA = 1/10W; U2 = 1/2W-SS. c) For power rating of 1watt to 16 watt, the 5 th digit will be a number or a letter code and the 6 th digit will be the letters of W, S or U. Example: AW = 10W; 3S = 3W-S. d) For power rating between 20 watt to 99 watt, the 5 th and the 6 th digits will show the whole numbers of the power rating itself. Example: 20 = 20W; 75 = 75W. e) For power rating of 100W and over, the 5 th & the 6 th digits will be indicated with 00 and the actual wattage being indicated at the last 3 digits (12 th ~ 14 th ) of the part No. f) For special power ratings, the following codes are to be used: 1). WH = 1/32W (Chip Network 10P8) 3). 04 = 0.4W-SS (0.4 watt Extra Small Size) 5). 2A = 2.5W 2). 07 = 3/4-S (CHIP 2010) 4). 06 = 0.6W-S (0.6watt Small Size) 6). 6A = 6.5W g) For Resistor Network, since the power rating is fixed as 1/8W for A circuit & 1/5W for B circuit, the 5 th & 6 th digit is to be used to denote the number of pins required. Example: 09 = 9pins; 12 = 12pins. h) For Jumper Wire resistors, the 5 th & 6 th digits will be indicated with The 7 th digit is to denote the Resistance Tolerance. The following letter code is to be used for indicating the standard Resistance Tolerance. As for Metal Film Fixed Resistor products, it is also to denote the standard PPM as follows: B = ±0.1% (15PPM) G = ±2% (100PPM) C = ±0.25% (25PPM) J = ±5% (200PPM) D = ±0.5% (50PPM) K = ±10% F = ±1% (50PPM) Remark: if it is not one of the above standard tolerance-ppm, the requirement should be clearly stated when placing order. Example: ±1% (25PPM), the 7 th digit still shows F but separately note that requirement of 25PPM
5 Explanation of Part No. System: 4. The 8 th to 11 th digits is to denote the Resistance Value. a) For the standard resistance values of E-24 series, the 8th digit is 0, the 9th & 10th digits are to denote the significant figures of the resistance and the 11th digit is the number of zeros following. b) For the standard resistance values of E-96 series, the 8 th digit to the 10 th digit is to denote the significant figures of the resistance and the 11 th digit is the zeros following. c) For the code of the significant figures of E-24 & E-96 series, please refer to page 50 & 51 of the Standard Resistance Value List. d) The following numbers and the letter codes is to be used to indicate the number of zeros in the 11 th digit: 0= = = = = = = 10 6 J= 10-1 K= 10-2 L= 10-3 e) For Cement Fixed Resistors the 8 th digit will be coded with W or P to denote Wire-wound type or Power Film type respectively of the Cement Fixed Resistor product. The 9 th to 11 th please refer to point a) of item 4. Example: E-24 series E-96 series Cement Fixed Resistors 0120 = 12 ohm 1210 = 121 ohm W120 = 12 ohm Wire-wound 0123 = 12K ohm 1302 =13K ohm W12J = 1.2 ohm Wire-wound 012J = 1.2 ohm 196J = 19.6 ohm P273 = 27 kohm Power Film 5. The 12 th, 13 th & 14 th digits. a) The 12 th digit is to denote the Packaging Type with the following codes: A = Tape / Box (Ammo pack) C = Bulk in Cassette (Chip Product) B = Bulk / Box T = Tape / Reel P = Tape / Box of PT-26 products b) The 13 th digit is normally to indicate the Packing Quantity of Tape/Box & Tape/Reel packaging types. Except for CHIP products Bulk packing, this digit should be filled with 0 for other products with Bulk/Box packaging requirements. The following letter codes is to be used for some packaging quantities: A = 500pcs B = 2,500pcs C = 10,000pcs D = 20,000pcs G = 25,000pcs H = 50,000pcs Examples: CHIP product Other products BD = B/B-20,000 A5 = T/B-5,000 TC = T/R-10,000 TB = T/R-2,500 CG = B/C-25,000 B0 = B/B (standard packing quantity available) c) For the FORMED type products, the 13 th & 14 th digits are used to denote the forming types of the product with the following letter codes: MF = M-type with flattened lead wire F0 = F-type MK = M-type with kinked lead wiref1 = F1 type ML = M-type with normal lead wiref2 = F2 type F3 = F3 type d) For power rating over 100 watt, the 12 th to the 14 th digits are to denote the actual wattage of the products: Example: 100 = 100 watt 150 = 150 watt 225 = 225 watt e) For some items, the 14 th digit alone can use to denote special features or additional information with the following codes: P = Panasert type 1 = Avisert type 1 2 = Avisert type 2 3 = Avisert type 3 A = Cutting type CO 1/4W - A type B = Cutting type CO 1/4W - B type
6 Standard Color Code System: Four Band Color Code (Available for CFR, MOR, KNP & 2% or 5% of MFR Products) th Band Red = ±2% Gold = ±5% Silver = ±10% 1 st Band 2 nd Band 3 rd Band Black = Multiply by 1 (10 0 ) Brown = Multiply by 10 (10 1 ) Red = Multiply by 100 (10 2 ) Orange = Multiply by 1,000 (10 3 ) Yellow = Multiply by 10,000 (10 4 ) Green = Multiply by 100,000 (10 5 ) Blue = Multiply by 1,000,000 (10 6 ) Violet = Multiply by 10,000,000 (10 7 ) Gold = Multiply by 0.1 (10-1 ) Silver = Multiply by 0.01 (10-2 ) Five Band Color Code (Available for MFR 1% & FRN Products) 5 th Band Violet = ±0.1% Blue = ±0.25% Green = ±0.5% Brown = ±1% 1 st Band 2 nd Band 3 rd Band 4 th Band Black = Multiply by 1 (10 0 ) Brown = Multiply by 10 (10 1 ) Red = Multiply by 100 (10 2 ) Orange = Multiply by 1,000 (10 3 ) Yellow = Multiply by 10,000 (10 4 ) Green = Multiply by 100,000 (10 5 ) Blue = Multiply by 1,000,000 (10 6 ) Violet = Multiply by 10,000,000 (10 7 ) Gold = Multiply by 0.1 (10-1 ) Silver = Multiply by 0.01 (10-2 )
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