Metal Film (Thin Film) Chip Resistors, High Reliability Type Metal Film (Thin Film) Chip Resistors, High Reliability Type 0402, 0603, 0805, 1206 Type: ERA 2A, 3A, 6A, 8A ■ Features ● High reliability ............... Stable at high temperature and humidity (85 °C 85 %RH rated load, Category temperature range : –55 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 ● RoHS compliant ■ 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 & 3 " " & # 7 Size, Power Rating Type: inch Power Rating 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 ±10L10–6/°C R ±15L10–6/°C P ±25L10–6/°C E ±50L10–6/°C H ±100L10–6/°C K Packaging Methods Code X V Packaging Punched Carrier Taping 2 mm pitch, 10,000 pcs. Type ERA2A ERA3A ERA6A ERA8A Punched CarrierTaping 4 mm pitch, 5,000 pcs. 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 : 1 k? ● E96 Series Product Code Metal Film Chip Resistors 1 2 3 4 5 6 7 8 9 10 11 12 & 3 " " & # 7 Size, Power Rating Type: inch Power Rating 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 ±10L10–6/°C R ±15L10–6/°C P ±25L10–6/°C E ±50L10–6/°C H ±100L10–6/°C K Packaging Methods Code X V Packaging Punched Carrier Taping 2 mm pitch, 10,000 pcs. Punched CarrierTaping 4 mm pitch, 5,000 pcs. Type ERA2A ERA3A ERA6A ERA8A 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 : 1.05 k? 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. 03 Aug. 2012 8 Metal Film (Thin Film) Chip Resistors, High Reliability Type ■ Construction ■ Dimensions in mm (not to scale) L Protective coating a Electrode (Inner) Alumina substrate W t b Electrode (Between) High reliability metal film Dimensions (mm) Type (inch size) Electrode (Outer) L ERA2A (0402) 1.00 ERA3A (0603) 1.60 ERA6A (0805) 2.00 ERA8A (1206) W a ±0.10 0.50 –0.05 0.15 ±0.20 0.80 ±0.20 1.25 ±0.20 3.20 +0.10 0.30 ±0.25 0.40 0.40 ±0.20 ±0.10 0.25 0.30 ±0.10 ±0.20 +0.05 –0.15 1.60 b 0.50 ±0.25 Mass (Weight) [g/1000 pcs.] t ±0.10 0.35 ±0.20 0.45 ±0.25 0.50 ±0.25 0.50 ±0.05 0.6 ±0.10 2 ±0.10 4 ±0.10 8 0.60 ■ Ratings Power Type Rating (inch size) at 85 °C (W) ERA2A (0402) ERA3A (0603) ERA6A (0805) ERA8A (1206) 0.063 0.1 0.125 0.25 Limiting Element (1) Voltage (V) 25 75 100 150 Maximum Overload (2) Voltage (V) 50 150 200 300 Type (detail) ERA2AKD ERA2AED ERA2AEB ERA2APB ERA2ARC ERA2ARB ERA3AHD ERA3AED ERA3AEB ERA3APB ERA3ARB ERA3ARW ERA6AHD ERA6AED ERA6AEB ERA6APB ERA6ARB ERA6ARW ERA8AHD ERA8AED ERA8AEB ERA8APB ERA8ARB ERA8ARW ±0.5 ±0.5 ±0.1 ±0.1 ±0.25 ±0.1 ±0.5 ±0.5 ±0.1 ±0.1 ±0.1 ±0.05 ±0.5 ±0.5 ±0.1 ±0.1 ±0.1 ±0.05 ±0.5 ±0.5 ±0.1 ±0.1 ±0.1 ±0.05 Category Temperature Range (°C) Resistance (3) Range (Ω) Resistance T.C.R. Tolerance (×10 –6/°C) (%) ±100 10 to 46.4 (E24, E96) ±25 47 to 100 k (E24, E96) ±15 200 to 47 k (E24, E96) ±10 200 to 47 k (E24, E96) ±50 10 to 46.4 (E24, E96) ±25 47 to 330 k (E24, E96) ±15 470 to 100 k (E24, E96) ±10 1 k to 100 k (E24, E96) ±50 10 to 46.4 (E24, E96) ±25 47 to –55 to +155 1 M (E24, E96) ±15 470 to 100 k (E24, E96) ±10 1 k to 100 k (E24, E96) ±50 10 to 46.4 (E24, E96) ±25 47 to 1 M (E24, E96) ±15 470 to 100 k (E24, E96) ±10 1 k to 100 k (E24, E96) (1) Rated Continuous Working Voltage (RCWV) shall be determined from RCWV=√Rated Power × Resistance Values, or Limiting Element Voltage listed above, whichever less. (2) Overload (Short-time Overload) Test Voltage (SOTV) shall be determined from SOTV=2.5 × Power Rating or max. Overload Voltage listed above whichever less. (3) E192 series resistance values are also available. Please contact us for details. 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. Rated Load (%) –55 °C 100 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. 03 Aug. 2012 9