Anti-Sulfurated Chip Resistor Array Anti-Sulfurated Chip Resistor Array Type: EXB U24, U28, U2H, U34, U38 Features High resistance to sulfurization achieved by adopting an Ag-Pd-based inner electrode density 2 resistors in 1.0 mm x 1.0 mm size / 0404 inch size : EXBU24 4 resistors in 2.0 mm x 1.0 mm size / 0804 inch size : EXBU28 8 resistors in 3.8 mm x 1.6 mm size / 1506 inch size : EXBU2H 2 resistors in 1.6 mm x 1.6 mm size / 0606 inch size : EXBU34 4 resistors in 3.2 mm x 1.6 mm size / 1206 inch size : EXBU38 Improvement of placement efficiency Placement efficiency of Chip Resistor Array is two, four or eight times of the flat type chip resistor Reference Standard...IEC 60115-9, JIS C 5201-9, EIAJ RC-2129 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 Product Code Thick Film Chip Resistor Networks 1 2 3 4 5 6 7 8 9 10 11 E X B U 2 8 4 7 2 J X Size, Construction No. of Terminal Code Inch 4 4 Terminal U2 0402 Array 8 8 Terminal U3 0603 Array H 16 Terminal Anti-Sulfuarted Convex Terminal Packaging Methods Resistance Tolerance Code Packaging Part No. J 5 % Punched Carrier Taping EXBU24, X 2 mm pitch, 10,000 pcs. U28 0 Jumper Resistance Value The first two digits are significant figures of resistance value and the third one denotes the number of zeros following. Jumper is expressed by R00 Example : 222 2.2 k Construction V Punched Carrier Taping EXBU2H, 4 mm pitch, 5,000 pcs. U34, U38 Schematics Isolated type EXBU24, U34 EXBU28, U38 2 resistors 4 resistors 4 3 8 7 6 5 1 2 1 2 3 4 Protective coating Alumina substrate EXBU2H 8 resistors Thick film Electrode resistive element (Inner) Electrode (Between) Electrode (Outer) 16 15 14 13 12 11 10 9 1 8 2 3 4 5 6 7 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. 04 Apr. 2015 Anti-Sulfurated Chip Resistor Array Dimensions in mm (not to scale) EXBU24, U34 EXBU28, U38 A2 P T P L G G B B G W W G B A1 B A1 T L EXBU2H G B W G B A1 A2 P T L Dimensions (mm) Part No. (inch size) L EXBU24 (0402x2) EXBU28 (0402x4) 1.00 0.10 0.10 2.00 0.10 0.10 1.00 1.60 0.20 1.60 3.80 EXBU34 (0603x2) 1.60 0.20 3.20 T 1.00 0.10 EXBU2H (0402x8) EXBU38 (0603x4) W 0.10 0.40 0.10 0.45 0.10 0.10 0.35 0.10 0.10 0.65 0.15 0.65 0.15 0.35 0.10 0.35 0.10 0.45 0.15 0.50 0.15 1.60 A1 0.10 0.50 A2 B -- 0.18 0.10 0.35 0.10 0.35 -- P 0.10 (0.65) 0.25 0.20 0.10 (0.50) 0.25 0.30 0.10 (0.50) 0.30 0.20 (0.80) 0.30 0.30 0.15 0.45 0.30 0.20 Mass (Weight) [g/1000 pcs.] G (0.80) 0.10 1.2 0.10 2.0 0.10 9.0 0.20 3.5 0.20 0.35 ( 7.0 ) Reference Ratings Specifications Resistance Range 10 to 1 M E24 series Resistance Tolerance J: 5 % Number of Terminals Number of Resistors U24, U34 4 terminal U28, U38 8 terminal U2H 16 element U24, U34 2 element U28, U38 4 element U2H 8 element Power Rating U24, U28, U34, U38 0.063 W/element 0.063 W/element at 70 C U2H (0.25 W/package) Item Specifications Limiting Element U2H (1) Voltage U24, U28, U34, U38 Max. Overload (2) Voltage 25 V 50 V U2H 50 V U24, U28, U34, U38 100 V -6 T.C.R. 200x10 /C Category Temperature Range -55 C to 125 C Jumper Array Item Rated U24, U28, U2H, U34, U38 1 A Current Max. Overload U24, U28, U2H, U34, U38 2 A Current (1) Rated Continuous Working Voltage (RCWV) shall be determined from RCWV=Power Rating x Resistance Value, or Limiting Element Voltage listed above, whichever less. (2) Overload (Short-time Overload) Test Voltage (SOTV) shall be determined from SOTV=2.5 x RCWV or max. Overload Voltage listed above whichever less. -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. 04 Apr. 2015