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 con struc tion Automotive electronic circuits including ECUs (Electrical con- Excellent heat dissipation characteristics by wide trol unit), anti-lock breaking systems and air-bag systems terminal construction Current sensing for power supply circuits in a variety of RoHS compliant equipment Packaging Methods, Land Pattern, Soldering Conditions and Safety Precautions Please see Data Files Explanation of Part Numbers 1 2 3 4 5 6 7 8 9 10 11 & 3 + + 6 Product Code Size, Power Rating Resistance Value Region Resistance Tolerance Packaging Methods Thick Film Type : inch Power R. A 10 R F 1 % Code Packaging Type Chip Resistors A1 : 2512 1.33 W B 0.22 R <10 G 2 % Punched Carrier Taping ERJB2 V 4 mm pitch, 5,000 pcs. 1 W, C 0.01 R < 0.22 J 5 % ERJB3 B1 : 2010 2 W D 0.005 R < 0.01 Embossed Carrier Taping ( ) R 10 ERJB1 4 mm pitch, 5,000 pcs. 0.75 W, U Embossed Carrier Taping B2 : 1206 1 W ERJA1 ( ) 4 mm pitch, 4,000 pcs. R 10 0.33 W, Resistance Value 0.5 W B3 : 0805 ( ) R 1 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 lm Alumina substrate resistive element Electrode (Inner) Electrode (Between) Design and speci cations are each subject to change without notice. Ask factory for the current technical speci cations 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 10fD L T M P L T A2 Mass (Weight) 1000 pcs. : 40 g Mass (Weight) 1000 pcs. : 27 g LWT A B LWT a b 1 1 Dimen sio ns Dimen sio ns (mm) (mm) 6.400.20 3.200.20 0.550.10 0.700.20 0.450.20 5.000.20 2.500.20 0.550.20 0.250.20 0.900.20 A2 B2 P 0DC Dimen sio ns +0.10 (mm) 0.700.20 1.250.15 1.270.10 0.300.20 0.4 min. ERJB2 type ERJB3 type ( R< 10 m ) ( 10 m < R < 1 M ) L T L T L T 3 3 M Mass (Weight) 1000 pcs. : 11 g Mass (Weight) 1000 pcs. : 4.8 g Di mensio ns (mm) LWT a b Dimen sio ns LWT a b 5 m<R<10 m 0.300.20 (mm) 2.000.10 1.250.10 0.500.10 0.250.15 0.400.15 0.300.20 3.200.20 1.600.15 0.650.15 10 m<R<220 m 0.500.20 220 m<R<1 M 0.200.20 Circuit Confi guration ERJB3 type ERJA1 type ERJB1 type RRRRR R R RRR ERJB2 type < Less than 10 m > < Low resistance zone > < High resistance zone > R R RR R R R Design and speci cations are each subject to change without notice. Ask factory for the current technical speci cations before purchase and/or use. Should a safety concern arise regarding this product, please be sure to contact us immediately. 02 Aug. 2012 17 b b a a W B2 C B2 B1 B1 b b a a W W bb a a W b b a a W
