Metal Film (Thin Film) Chip Resistors, High Reliability Type Metal Film (Thin Film) Chip Resistors, High Reliability Type Type: ERA 1A, 2A, 3A, 6A, 8A Features reliability ................ Stable at high temperature and humidity (85 C 85 %RH rated load, Category temperature range : -55 C to +155 C) High accuracy ............... Small resistance tolerance and Temperature Coefficient of Resistance High performance ......... Low current noise, excellent linearity Reference Standard ...... IEC 60115-8, JIS C 5201-8, EIAJ RC-2133B AEC-Q200 qualified RoHS compliant High As for Packaging Methods, Land Pattern, Soldering Conditions and Safety Precautions, Please see Data Files Explanation of Part Numbers E24 Series Product Code Metal Film Chip Resistors 1 2 3 4 5 6 7 8 9 10 11 E R A 3 A E B 1 0 2 V Size, Power Rating Code Inch Power Rating 0.05 W 1A 0201 0.063 W 2A 0402 0.1 W 3A 0603 0.125 W 6A 0805 0.25 W 8A 1206 Resistance Tolerance Code Tolerance W 0.05 % B 0.1 % C 0.25 % D 0.5 % Temperature Coefficient T.C.R. Code 10x10-6/C R 15x10-6/C P 25x10-6/C E 50x10-6/C H 100x10-6/C K Packaging Methods Code C X V Packaging Pressed Carrier Taping 2 mm pitch, 15000 pcs. Punched Carrier Taping 2 mm pitch, 10000 pcs. Part No. Punched CarrierTaping 4 mm pitch, 5000 pcs. ERA3A ERA6A ERA8A ERA1A ERA2A Resistance Value Consist of three figures for E24 series resistance value. The first two digits are significant figures of resistance and the third one denotes number of zeros following. (example) 102 : 1k E96 Series and other Resistance values Product Code Metal Film Chip Resistors 1 2 3 4 5 6 7 8 9 10 11 12 E R A 3 A E B 1 0 5 1 V Size, Power Rating Code Inch Power Rating 0.05 W 1A 0201 0.063 W 2A 0402 0.1 W 3A 0603 0.125 W 6A 0805 0.25 W 8A 1206 Temperature Coefficient T.C.R. Code 10x10-6/C R 15x10-6/C P 25x10-6/C E 50x10-6/C H 100x10-6/C K Resistance Tolerance Code Tolerance W 0.05 % B 0.1 % C 0.25 % D 0.5 % Packaging Methods Code C X V Packaging Pressed Carrier Taping 2 mm pitch, 15000 pcs. Punched Carrier Taping 2 mm pitch, 10000 pcs. Part No. Punched CarrierTaping 4 mm pitch, 5000 pcs. ERA3A ERA6A ERA8A ERA1A ERA2A Resistance Value Consist of four figures for E96 series resistance value. The first three digits are significant figures of resistance and the fourth one denotes number of zeros following. (example) 1051 : 1.05k note : Duplicated resistance values as E24 series part numbers shall follow E24 part numbers. (apply three digit resistance value) Design and specifications are each subject to change without notice. Ask factory for the current technical specifications before purchase and/or use. Should a safety concern arise regarding this product, please be sure to contact us immediately. 12 Sep. 2018 Metal Film (Thin Film) Chip Resistors, High Reliability Type Construction Protective coating Dimensions in mm (not to scale) L a Electrode (Inner) Alumina substrate W t b Electrode (Between) High reliability metal film Electrode (Outer) Part No. (inch size) ERA1A (0201) ERA2A (0402) ERA3A (0603) ERA6A (0805) ERA8A (1206) L 0.600.03 1.000.10 1.600.20 2.000.20 3.200.20 Dimensions (mm) W a b 0.300.03 0.150.05 0.150.05 +0.10 0.10 0.50 -0.05 0.15 0.250.10 0.800.20 0.300.20 0.300.20 1.250.10 0.400.25 0.400.25 0.25 1.60+0.05 0.500.25 -0.15 0.50 Mass (Weight) [g/1000 pcs.] t 0.03 0.23 0.14 0.05 0.35 0.6 0.10 0.45 2 0.10 0.50 4 0.10 0.60 8 Ratings Power Rating Limiting Element Maximum Resistance T.C.R. Part No. (1) (2) Part No. Tolerance at 85 C Voltage Overload Voltage (detail) (x10 -6/C) (inch size) (W) (V) (V) (%) ERA1AEB 0.1 25 ERA1AEC 0.25 ERA1A 0.05 25 50 ERA1ARC 0.25 (0201) ERA1ARB 0.1 10 ERA1ARW 0.05 ERA2AKD 0.5 100 ERA2AED 0.5 ERA2AEC 0.25 25 ERA2AEB 0.1 ERA2A 0.063 50 100 (0402) ERA2APC 0.25 15 ERA2APB 0.1 ERA2ARC 0.25 10 ERA2ARB 0.1 ERA3AHD 0.5 50 ERA3AED 0.5 ERA3AEC 0.25 25 ERA3AEB 0.1 ERA3A 0.1 75 150 ERA3APC 0.25 (0603) 15 ERA3APB 0.1 ERA3ARC 0.25 ERA3ARB 0.1 10 ERA3ARW 0.05 ERA6AHD 0.5 50 ERA6AED 0.5 ERA6AEC 0.25 25 ERA6AEB 0.1 ERA6A ERA6APC 0.25 0.125 100 200 (0805) 15 ERA6APB 0.1 ERA6ARC 0.25 ERA6ARB 0.1 10 ERA6ARW 0.05 ERA8AHD 0.5 50 ERA8AED 0.5 ERA8AEC 0.25 25 ERA8AEB 0.1 ERA8A ERA8APC 0.25 0.25 150 300 (1206) 15 ERA8APB 0.1 ERA8ARC 0.25 ERA8ARB 0.1 10 ERA8ARW 0.05 (1) (2) (3) (4) Resistance (3)(4) Range () 100 to 10k (E24, E96) 100 to 10k (E24, E96) Category Temperature Range (C) 1k to 10k (E24, E96) 10 to 46.4 (E24, E96) 47 to 100k (E24, E96) 200 to 47k (E24, E96) 200 to 47k (E24, E96) 10 to 46.4 (E24, E96) 47 to 330k (E24, E96) 470 to 100k (E24, E96) 1k to 100k (E24, E96) -55 to +155 10 to 46.4 (E24, E96) 47 to 1M (E24, E96) 470 to 100k (E24, E96) 1k to 100k (E24, E96) 10 to 46.4 (E24, E96) 47 to 1M (E24, E96) 470 to 100k (E24, E96) 1k to 100k (E24, E96) Rated Continuous Working Voltage (RCWV) shall be determined from RCWV=Rated Power x Resistance Values, or Limiting Element Voltage listed above, whichever less. Overload (Short-time Overload) Test Voltage (SOTV) shall be determined from SOTV=2.5 x RCWV or max. Overload Voltage listed above whichever less. E192 series resistance values are also available. Please contact us for details. Duplicated resistance values between E96, E192 and E24 series shall follow E24 Part Numbers. (apply three digit resistance value) Design and specifications are each subject to change without notice. Ask factory for the current technical specifications before purchase and/or use. Should a safety concern arise regarding this product, please be sure to contact us immediately. 12 Sep. 2018 Metal Film (Thin Film) Chip Resistors, High Reliability Type -55 C 100 Rated Load (%) Power Derating Curve For resistors operated in ambient temperatures above 85 C, power rating shall be derated in accordance with the figure on the right. 85 C 80 60 40 20 0 -60 -40 -20 155 C 0 20 40 60 80 100 120 140 160 180 Ambient Temperature (C) Design and specifications are each subject to change without notice. Ask factory for the current technical specifications before purchase and/or use. Should a safety concern arise regarding this product, please be sure to contact us immediately. 12 Sep. 2018 Surface Mount Resistors Safety precautions Safety Precautions (Common precautions for Surface Mount Resistors) The following are precautions for individual products. Please also refer to the common precautions for Fixed Resistors in this catalog. 1. Take measures against mechanical stress during and after mounting of Surface Mount Resistors (hereafter called the resistors) so as not to damage their electrodes and protective coatings. Be careful not to misplace the resistors on the land patterns. Otherwise, solder bridging may occur. 2. Keep the rated power and ambient temperature within the specified derating curve. Some circuit boards, wiring patterns, temperatures of heat generated by adjacent components, or ambient temperatures can become factors in the rise of the temperature of the resistors, regardless of the level of power applied. Therefore, check the conditions before use and optimize them so as not to damage the boards and peripheral components. Make sure to contact us before using the resistors under special conditions. 3. If a transient load (heavy load in a short time) like a pulse is expected to be applied, check and evaluate the operations of the resistors when installed in your products before use. Never exceed the rated power. Otherwise, the performance and/or reliability of the resistors may be impaired. 4. Before using halogen-based or other high-activity flux, check the possible effects of the flux residues on the performance and reliability of the resistors. 5. When soldering with a soldering iron, never touch the resistors'bodies with the tip of the soldering iron. When using a soldering iron with a high temperature tip, finish soldering as quickly as possible (within three seconds at 350 C max.). 6. As the amount of applied solder becomes larger, the mechanical stress applied to the resistors increases, causing problems such as cracks and faulty characteristics. Avoid applying an excessive amounts of solder. 7. When the resistors' protective coatings are chipped, flawed, or removed, the characteristics of the resistors may be impaired. Take special care not to apply mechanical shock during automatic mounting or cause damage during handling of the boards with the resistors mounted. 8. Do not apply shock to the resistors or pinch them with a hard tool (e.g. pliers and tweezers). Otherwise, the resistors' protective coatings and bodies may be chipped, affecting their performance. 9. Avoid excessive bending of printed circuit boards in order to protect the resistors from abnormal stress. 10. Do not immerse the resistors in solvent for a long time. Before using solvent, carefully check the effects of immersion. 11. Transient voltage If there is a possibility that the transient phenomenon (significantly high voltage applied in a short time) may occur or that a high voltage pulse may be applied, make sure to evaluate and check the characteristics of Fixed Metal (Oxide) Film Resistors mounted on your product rather than only depending on the calculated power limit or steady-state conditions to complete the design or decide to use the resistors. 12. Do not apply excessive tension to the terminals. Design and specifications are each subject to change without notice. Ask factory for the current technical specifications before purchase and/or use. Should a safety concern arise regarding this product, please be sure to contact us immediately. 02 Sep. 2014 Safety Precautions (Common precautions for Fixed Resistors) * When using our products, no matter what sort of equipment they might be used for, be sure to make a written agreement on the specifications with us in advance. The design and specifications in this catalog are subject to change without prior notice. * Do not use the products beyond the specifications described in this catalog. * This catalog explains the quality and performance of the products as individual components. Before use, check and evaluate their operations when installed in your products. * Install the following systems for a failsafe design to ensure safety if these products are to be used in equipment where a defect in these products may cause the loss of human life or other significant damage, such as damage to vehicles (automobile, train, vessel), traffic lights, medical equipment, aerospace equipment, electric heating appliances, combustion/gas equipment, rotating equipment, and disaster/crime prevention equipment. Systems equipped with a protection circuit and a protection device Systems equipped with a redundant circuit or other system to prevent an unsafe status in the event of a single fault (1) Precautions for use * These products are designed and manufactured for general and standard use in general electronic equipment (e.g. AV equipment, home electric appliances, office equipment, information and communication equipment) * These products are not intended for use in the following special conditions. Before using the products, carefully check the effects on their quality and performance, and determine whether or not they can be used. 1. In liquid, such as water, oil, chemicals, or organic solvent 2. In direct sunlight, outdoors, or in dust 3. In salty air or air with a high concentration of corrosive gas, such as Cl2, H2S, NH3, SO2, or NO2 4. Electric Static Discharge (ESD) Environment These components are sensitive to static electricity and can be damaged under static shock (ESD). Please take measures to avoid any of these environments. Smaller components are more sensitive to ESD environment. 5. Electromagnetic Environment Avoid any environment where strong electromagnetic waves exist. 6. In an environment where these products cause dew condensation 7. Sealing or coating of these products or a printed circuit board on which these products are mounted, with resin or other materials * These products generate Joule heat when energized. Carefully position these products so that their heat will not affect the other components. * Carefully position these products so that their temperatures will not exceed the category temperature range due to the effects of neighboring heat-generating components. Do not mount or place heat-generating components or inflammables, such as vinyl-coated wires, near these products. * Note that non-cleaning solder, halogen-based highly active flux, or water-soluble flux may deteriorate the performance or reliability of the products. * Carefully select a flux cleaning agent for use after soldering. An unsuitable agent may deteriorate the performance or reliability. In particular, when using water or a water-soluble cleaning agent, be careful not to leave water residues. Otherwise, the insulation performance may be deteriorated. (2) Precautions for storage The performance of these products, including the solderability, is guaranteed for a year from the date of arrival at your company, provided that they remain packed as they were when delivered and stored at a temperature of 5 C to 35 C and a relative humidity of 45 % to 85 %. Even within the above guarantee periods, do not store these products in the following conditions. Otherwise, their electrical performance and/or solderability may be deteriorated, and the packaging materials (e.g. taping materials) may be deformed or deteriorated, resulting in mounting failures. 1. In salty air or in air with a high concentration of corrosive gas, such as Cl2, H2S, NH3, SO2, or NO2 2. In direct sunlight <Package markings> Package markings include the product number, quantity, and country of origin. 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