High Power Chip Resistors / Wide Terminal Type High Power Chip Resistors / Wide Terminal Type Type: ERJ A1, B1, B2, B3 Features High solder-joint reliability by wide terminal construction Excellent heat dissipation characteristics by wide terminal AEC-Q200 qualified RoHS compliant construction Recommended Applications Automotive electronic circuits including ECUs (Electrical control unit), anti-lock breaking systems and air-bag systems Current sensing for power supply circuits in a variety of equipment As for Packaging Methods, Land Pattern, Soldering Conditions and Safety Precautions, Please see Data Files Explanation of Part Numbers Product Code Thick Film Chip Resistors 1 2 3 4 5 6 7 8 9 10 11 E R J A 1 A J 1 0 2 U Size, Power Rating Code Inch Power R. 1.33 W A1 1225 1 W, B1 1020 2W R < 10 0.75 W, 1W B2 0612 R < 10 0.33 W, 0.5 W B3 0508 R<1 ( ) ( ) ( ) Resistance Value Region A 10 < R B 0.22 < R <10 C 0.01 < R < 0.22 D 0.005 < R < 0.01 Resistance Tolerance F 1% G 2% J 5% Code V U Resistance Value Shown by 3 digits or letters. Only when it is impossible, shown by 4 digits or letters. (Ex.) 102 : 1.0 k R01 : 0.01 = 10 m 4R7 : 4.7 R015 : 0.015 = 15 m Packaging Methods Packaging Punched Carrier Taping 4 mm pitch, 5,000 pcs. Part No. ERJB2 ERJB3 Embossed Carrier Taping ERJB1 4 mm pitch, 5,000 pcs. Embossed Carrier Taping ERJA1 4 mm pitch, 4,000 pcs. Ratings Part No. (inch size) ERJA1 (1225) ERJB1 (1020) ERJB2 (0612) ERJB3 (0508) Limiting Power Element (1) Rating Voltage at 70 C (W) (V) 1.33 200 Maximum Resistance Resistance Category T.C.R. Overload (2) -6 Tolerance Range Temperature Range (x10 /C) Voltage () (C) (%) (V) 1 100 m to 10 k (E24) R < 100 m : 350 100 m < R : 100 (1%) 400 -55 to +155 2, 5 10 m to 10 k (E24) 200 (2%, 5%) 1 2(R < 10 ) 200 400 0.75 1(R < 10 ) 200 400 0.33 0.5(R < 1 ) 150 200 R < 22 m : 350 22 m < R < 47 m : 200 47 m < R < 100 m : 150 (1%) 1, 2, 5 10 m to 10 k (E24) -55 to +155 200 (2%, 5%) 100 m < R : 100 (1%) 200 (2%, 5%) 1, 2 10 m to 1 M (E24) R < 22 m : 0 to +300 22 m < R < 47 m : 0 to +200 47 m < R < 100 m : 0 to +150 5 m to 1 M -55 to +155 100 m < R < 220 m : 0 to +150 (1%) 5 m to 9 m : 1m step 5 0 to +200 (2%, 5%) 10 m to 1 M : E24 220 m < R : 100 (1%) 200 (2%, 5%) R < 47 m : 0 to +300 47 m < R < 1 : 0 to +200 1, 2, 5 20 m to 10 (E24) -55 to +155 1 < R : 100 (1%) 200 (2%, 5%) ( ) (1) Rated Continuous Working Voltage (RCWV) shall be determined from RCWV=Power Rating x 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 x RCWV or max. Overload Voltage listed above whichever less. 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. 06 Apr. 2015 High Power Chip Resistors / Wide Terminal Type Protective coating Electrode (Outer) Thick film Alumina substrate resistive element Electrode (Inner) Electrode (Between) Rated Load (%) Power Derating Curve For resistors operated in ambient temperatures above 70 C, power rating shall be derated in accordance with the figure below. Construction (Example : ERJA1 type) 100 70 C -55 C 80 60 40 20 155 C 0 -60 -40 -20 0 20 40 60 80 100 120 140 160 180 Ambient Temperature (C) Dimensions in mm (not to scale) ERJB2 type W T L a a Rl0 T W T b P W B1 B1 102 ( 10 m < R < 1 M ) ( R< 10 m ) L A1 L 10-fD aa ERJA1 type b B2 C B2 b b A2 Mass (Weight) [1000 pcs.] : 40 g Mass (Weight) [1000 pcs.] : 11 g L W T A1 B1 Dimensions (mm) 3.200.20 6.400.20 0.550.10 0.700.20 0.450.20 A2 B2 P C 0D Dimensions (mm) 0.700.20 1.250.15 1.270.10 0.30+0.10 -0.20 0.4 min. Dimensions (mm) L W T a b 0.650.15 0.300.20 5 m<R<10 m 0.300.20 10 m<R<220 m 1.600.15 3.200.20 0.550.15 0.500.20 220 m<R<1 M 0.250.20 ERJB1 type ERJB3 type W W L aa L a T b b b b a l03 T Mass (Weight) [1000 pcs.] : 27 g Mass (Weight) [1000 pcs.] : 4.8 g L W T a b Dimensions (mm) 2.500.20 5.000.20 0.550.20 0.250.20 0.900.20 L W T a b Dimensions (mm) 1.250.10 2.000.15 0.500.10 0.250.20 0.400.20 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. 06 Apr. 2015 High Power Chip Resistors / Wide Terminal Type Circuit Configuration ERJA1 type R R R ERJB1 type R R R R R ERJB3 type R R ERJB2 type < Less than 10 m > R R R R < Low resistance zone > R R < High resistance zone > R 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. 06 Apr. 2015