Metal Film (Thin Film) Chip Resistors, High Sound Quality Type Metal Film (Thin Film) Chip Resistors, High Sound Quality Type Type: ERA 2H Features sound quality resistor ...... Low distortion and high-quality sound by selected material and optimized structure ● 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, Pb free, Halogen free ● High Recommended Applications ● Audio amplifier circuit, Smartphone (Hi-fi audio), portable audio player, portable DAC amplifier ■ As for Packaging Methods, Land Pattern, Soldering Conditions and Safety Precautions, Please see Data Files Explanation of Part Numbers Product Code Metal Film Chip Resistors 1 2 3 4 5 6 7 8 9 10 11 12 E R A 2 H E B 1 0 0 1 X Size, Power Rating Code Inch Power Rating 0.063 W 2H 0402 Temperature Coefficient T.C.R. Code ±10×10–6/°C R ±25×10–6/°C E ±50×10–6/°C H ±100×10–6/°C K Construction Resistance Tolerance Code Tolerance B ±0.1 % C ±0.25 % D ±0.5 % Packaging Methods Packaging Punched Carrier Taping 2 mm pitch, 10000 pcs. Code X Part No. ERA2H Resistance Value Consist of four figures. The first three digits are significant figures of resistance and the fourth one denotes number of zeros following. (example) 1001 : 1k Ω Dimensions in mm (not to scale) L a Protective coating Electrode (Inner) W Alumina substrate Electrode (Between) High sound quality metal film Electrode (Outer) t b Part No. (inch size) ERA2H (0402) Dimensions (mm) L W a b t ±0.10 1.00±0.10 0.50+0.10 0.25±0.10 0.35±0.05 –0.05 0.20 Mass (Weight) [g/1000 pcs.] 0.6 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. 00 Feb. 2016 Metal Film (Thin Film) Chip Resistors, High Sound Quality Type Ratings Resistance Range (3) (Ω) Power Rating Limiting Element Maximum Resistance Part No. T.C.R. Part No. Tolerance at 70 °C Voltage(1) Overload Voltage(2) (detail) (×10 –6/°C) (inch size) (W) (V) (V) (%) ERA2HKD ERA2H (0402) 0.063 25 50 Category Temperature Range (°C) ±0.5 ±100 10 to 46.4 (E24, E96) ERA2HHD ±0.5 ±50 22 to 46.4 (E24, E96) ERA2HEC ±0.25 ERA2HEB ±0.1 ERA2HRC ±0.25 ERA2HRB ±0.1 ±25 –55 to +125 47 to 20k (E24, E96) ±10 (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 × RCWV or max. Overload Voltage listed above whichever less. (3) Other resistance except for E24 & E96 series values are also available. Please contact us for details. –55 °C 70 °C 100 Rated Load (%) Power Derating Curve For resistors operated in ambient temperatures above 70 °C, power rating shall be derated in accordance with the figure on the right. 80 60 40 20 125 °C 0 –60 –40 –20 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. 00 Feb. 2016