ERA3A

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 Please see Pages 40 to 43 ■Recommended Land Pattern ■Safety Precautions Please see Pages 44 to 45 Please see Page 47 ■Recommended Soldering Conditions Please see Page 46 ■ Explanation of Part Numbers ● E24 Series 1 2 3 4 5 6 7 8 9 10 11 E R A 3 A E B 1 0 2 V Product Code Metal Film Chip Resistors 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 Temperature Coefficient T.C.R. Code ±10 10–6/°C R ±15 10–6/°C P ±25 10–6/°C E ±50 10–6/°C H ±100 10–6/°C K Resistance Tolerance Code Tolerance W ±0.05 % B ±0.1 % D ±0.5 % 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 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 1 2 3 4 5 6 7 8 9 10 11 12 E R A 3 A E B 1 0 5 1 V Product Code Metal Film Chip Resistors 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 Temperature Coefficient T.C.R. Code ±10 10–6/°C R ±15 10–6/°C P ±25 10–6/°C E ±50 10–6/°C H ±100 10–6/°C K Resistance Tolerance Code Tolerance W ±0.05 % B ±0.1 % D ±0.5 % 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. 01 Mar. 2011 – 15 – Metal Film (Thin Film) Chip Resistors, High Reliability Type ■ Construction Protective coating Electrode (Inner) ■ Dimensions in mm (not to scale) L a W Alumina substrate t b Electrode (Between) Type (inch size) ERA2A (0402) High reliability metal film ERA3A (0603) Electrode (Outer) ERA6A (0805) ERA8A (1206) Dimensions (mm) L 1.00 1.60 ±0.10 W +0.10 a ±0.10 b 0.25 0.30 ±0.10 t 0.35 0.45 ±0.05 Mass (Weight) [g/1000 pcs.] 0.6 2 4 8 0.50 –0.05 0.15 0.80 1.25 ±0.20 ±0.20 0.30 0.40 ±0.20 ±0.20 ±0.10 2.00 ±0.20 ±0.10 ±0.25 0.40 ±0.25 0.50 ±0.10 3.20 ±0.20 1.60 –0.15 0.50 +0.05 ±0.25 0.50 ±0.25 0.60 ±0.10 ■ Ratings Power Type Rating (inch size) at 85 °C (W) ERA2A (0402) 0.063 Limiting Element (1) Voltage (V) 25 Maximum Overload (2) Voltage (V) 50 Type (detail) ERA2AKD ERA2AED ERA2AEB ERA3AHD ERA3AED ERA3AEB ERA3APB ERA3ARB ERA3ARW ERA6AHD ERA6AED ERA6AEB ERA6APB ERA6ARB ERA6ARW ERA8AHD ERA8AED ERA8AEB ERA8APB ERA8ARB ERA8ARW Resistance T.C.R. Tolerance ( 10 –6 /°C) (%) ±0.5 ±0.5 ±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 ±100 ±25 ±50 ±25 ±15 ±10 ±50 ±25 ±15 ±10 ±50 ±25 ±15 ±10 Resistance (3) Range () 10 to 46.4 (E24, E96) 47 to 100 k (E24, E96) 10 to 46.4 (E24, E96) 47 to 330 k (E24, E96) 470 to 100 k (E24, E96) 1 k to 100 k (E24, E96) 10 to 46.4 (E24, E96) 47 to 1 M (E24, E96) –55 to +155 Category Temperature Range (°C) ERA3A (0603) 0.1 75 150 ERA6A (0805) 0.125 100 200 470 to 100 k (E24, E96) 1 k to 100 k (E24, E96) 10 to 46.4 (E24, E96) 47 to 1 M (E24, E96) ERA8A (1206) 0.25 150 300 470 to 100 k (E24, E96) 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. 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. –55 °C 100 80 60 40 20 0 –60 –40 –20 0 20 40 60 85 °C 155 °C 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. 02 Mar. 2011 – 16 –