High Power Chip Resistors / Wide Terminal Type High Power Chip Resistors / Wide Terminal Type 2512, 2010, 1206, 0805 Type: ERJ A1, B1, B2, B3 Features Recommended Applications High solder-joint reliability by wide terminal construction Excellent heat dissipation characteristics by wide terminal construction RoHS compliant 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 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 & 3 + " " + 6 Size, Power Rating Type : inch Power R. 1.33 W A1 : 2512 1 W, B1 : 2010 2W R 10 ? 0.75 W, 1W B2 : 1206 R 10 ? 0.33 W, 0.5 W B3 : 0805 R1? ( ) ( ) ( ) 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 Packaging Methods Packaging Punched Carrier Taping 4 mm pitch, 5,000 pcs. Type ERJB2 ERJB3 Embossed Carrier Taping ERJB1 4 mm pitch, 5,000 pcs. Embossed Carrier Taping ERJA1 4 mm pitch, 4,000 pcs. 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? Construction (Example : ERJA1 type) Protective coating Electrode (Outer) Thick film Alumina substrate resistive element Electrode (Inner) Electrode (Between) 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 Aug. 2012 - 16 - High Power Chip Resistors / Wide Terminal Type Dimensions in mm (not to scale) ERJA1 type ERJB1 type A1 10-fD P a T W M a W B1 B1 L T L b B2 C B2 b A2 Mass (Weight) [1000 pcs.] : 40 g Mass (Weight) [1000 pcs.] : 27 g L W T A1 B1 Dimensions (mm) 6.400.20 3.200.20 0.550.10 0.700.20 0.450.20 L W T a b Dimensions (mm) 5.000.20 2.500.20 0.550.20 0.250.20 0.900.20 A2 B2 P 0D Dimensions (mm) 0.700.20 1.250.15 1.270.10 0.30+0.10 -0.20 C 0.4 min. ERJB2 type ERJB3 type 3 b b b b b b T W L W W a a 3M T a L T aa L a ( 10 m < R < 1 M ) ( R< 10 m ) Mass (Weight) [1000 pcs.] : 11 g Mass (Weight) [1000 pcs.] : 4.8 g Dimensions (mm) L W T a b 0.300.20 5 m<R<10 m 0.300.20 10 m<R<220 m 3.200.20 1.600.15 0.650.15 0.500.20 220 m<R<1 M 0.200.20 L W T a b Dimensions (mm) 2.000.10 1.250.10 0.500.10 0.250.15 0.400.15 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. 02 Aug. 2012 - 17 - High Power Chip Resistors / Wide Terminal Type Ratings Type (inch size) ERJA1 (2512) ERJB1 (2010) Limiting Power Element Rating (1) Voltage at 70 C (W) (V) Maximum Resistance Overload Tolerance (2) Voltage (%) (V) 1 1.33 200 200 400 (1206) 0.75 1(R < 10 ) 200 ERJB3 0.33 0.5(R < 1 ) 150 R < 22 m : 350 22 m < R < 47 m : 200 (1%) 1, 2, 5 10 m to 10 k (E24) 47 m < R < 100 m : 150 200 (2%, 5%) 100 m < R : 100 (1%) 200 (2%, 5%) -55 to +155 (0805) 400 5 200 Category Temperature Range (C) -55 to +155 1, 2 ERJB2 T.C.R. (x10 -6/C) 100 m to 10 k (E24) R < 100 m : 350 100 m < R : 100 (1%) 200 (2%, 5%) 10 m to 10 k (E24) 400 2, 5 1 2(R < 10 ) Resistance Range () 1, 2, 5 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 +150 100 m < R < 220 m : 0 to +150 (1%) -55 to +155 5 m to 1 M 0 to +200 (2%, 5%) 5 m to 9 m : 1m step 220 m < R : 100 (1%) 10 m to 1 M : E24 200 (2%, 5%) 20 m to 10 (E24) R < 47 m : 0 to +300 47 m < R < 1 : 0 to +200 1 < R : 100 (1%) 200 (2%, 5%) -55 to +155 (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 Power Rating or max. Overload Voltage listed above whichever less. Rated Load (%) Power Derating Curve For resistors operated in ambient temperature above 70 C, power rating shall be derated in accordance with the figure on the right. 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) 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 Aug. 2012 - 18 -