Anti-Sulfurated Thick Film Chip Resistors /Precision Type UPGRADE ERJ UR type (Ag-Pd-based inner electrode type) ERJ U2R, U3R, U6R series Features High resistance to sulfurization achieved by adopting an Ag-Pd-based inner electrode. -6 High precision : Resistance tolerance0.5 %TCR50 10 /K High reliability : Metal glaze thick lm resistive element and three layers of electrodes. Suitable for both reow and ow soldering. Reference standard : IEC 60115-8JIS C 5201-8JEITA RC-2134C AEC-Q200 compliant RoHS compliant As for packaging methods, land pattern, soldering conditions and safety precautions, please see data files. Explanation of part numbers 1T ERJS02 ERJS1T ERJU2R, U3R, U6R series 1 2 3 4 5 6 7 9 10 11 12 8 E R J U 3 R D 1 0 0 2 V Product code Size, Power rating Resistance tolerance Resistance value Packaging methods Power rating Thick film Code inch Code Tolerance Code Packaging Part No. The rst three digits are chip resistors U2R 0402 0.1 W D 0.5 Punched carrier taping signicant gures of resistance X ERJU2R 2 mm pitch, 10,000 pcs U3R 0603 0.1 W and the 4th one denotes number of zeros following. U6R 0805 0.125 W Punched carrier taping ERJU3R V Example : 1002 10 k 4 mm pitch, 5,000 pcs ERJU6R Ratings Power Limiting Maximum Category Resistance AEC- *1 element overload T.C.R. Part No. rating Resistance range temperature tolerance Q200 *2 *3 -6 (inch size) () range (70 ) voltage voltage (10 /K) (%) Grade (W) (V) (V) ERJU2R 100 to 100 k 0.1 50 100 0.5 55 to +155 Grade 0 0402 (E24, E96) ERJU3R 100 to 100 k *4 *4 0.1 75 150 0.5 50 55 to +155 Grade 0 0603 (E24, E96) ERJU6R 100 to 100 k 0.125 150 200 0.5 55 to +155 Grade 0 0805 (E24, E96) *1 : Use it on the condition that the case temperature is below the upper category temperature. *2 : Rated continuous working voltage (RCWV) shall be determined from RCWV=Power rating Resistance value, or limiting element voltage listed above, whichever less. *3 : Overload test voltage (OTV) shall be determined from OTV = Specified magnification (refer to performance) RCWV or maximum overload voltage listed above, whichever less. *4 : UPGRADE 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. 16-Apr-21Anti-Sulfurated Thick Film Chip Resistors/Precsion Type -55 70 Power derating curve 100 For resistors operated in ambient temperatures 80 above 70 , power rating shall be derated in 60 accordance with the figure on the right. 40 155 20 0 -60 -40 -20 0 20 40 60 80 100 120 140 160 180 Ambient temperature () Construction Protective coating Electrode (Inner) Ag-Pd-based Alumina substrate Electrode (Between) Thick lm resistive element Electrode (Outer) Dimensions in mm (not to scale) L a W T b Unit : mm Mass (Weight) Dimensions Part No. L W b T (g/1000 pcs) a ERJU2R 1.000.05 0.500.05 0.200.10 0.250.10 0.350.05 0.8 0.80+0.15/-0.05 ERJU3R 1.600.15 0.300.20 0.300.15 0.450.10 2 ERJU6R 2.000.20 1.250.10 0.400.20 0.400.20 0.600.10 4 Performance Performance Test item Test conditions requirements R Within specified Resistance 20 tolerance Within specified T. C. R. +25 / +155 T. C. R. Overload 2 % Rated voltage 2.5, 5 s Resistance to soldering heat 1 % 270 , 10 s Rapid change of temperature 1 % 55 (30 min.) / +155 (30 min.), 100 cycles High temperature exposure 1 % +155 , 1000 h Damp heat, Steady state 1 % 60 , 90 % to 95 %RH, 1000 h 60 , 90 % to 95 %RH, Rated voltage Load life in humidity 2 % 1.5 h ON / 0.5 h OFF cycle, 1000 h Endurance at 70 2 % 70 , Rated voltage, 1.5 h ON / 0.5 h OFF cycle, 1000 h 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. 16-Apr-21 Rated load (%)