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 Ω 0.75 W, 1W B2 0612 R < 10 Ω 0.33 W, 0.5 W B3 0508 R<1Ω ( ) ( ) ( ) Resistance Value Region A 10 Ω < R B 0.22 Ω < R <10 Ω C 0.01 Ω < R < 0.22 Ω D 0.005 Ω < R < 0.01 Ω 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 kΩ R01 : 0.01 Ω = 10 mΩ 4R7 : 4.7 Ω R015 : 0.015 Ω = 15 mΩ 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 (×10 /°C) Voltage (Ω) (°C) (%) (V) ±1 100 m to 10 k (E24) R < 100 mΩ : ±350 100 mΩ < R : ±100 (±1%) 400 –55 to +155 ±2, ±5 10 m to 10 k (E24) ±200 (±2%, ±5%) 1 2(R < 10 Ω) 200 400 0.75 1(R < 10 Ω) 200 400 0.33 0.5(R < 1 Ω) 150 200 R < 22 mΩ : ±350 22 mΩ < R < 47 mΩ : ±200 47 mΩ < R < 100 mΩ : ±150 (±1%) ±1, ±2, ±5 10 m to 10 k (E24) –55 to +155 ±200 (±2%, ±5%) 100 mΩ < R : ±100 (±1%) ±200 (±2%, ±5%) ±1, ±2 10 m to 1 M (E24) R < 22 mΩ : 0 to +300 22 mΩ < R < 47 mΩ : 0 to +200 47 mΩ < R < 100 mΩ : 0 to +150 5 m to 1 M –55 to +155 100 mΩ < R < 220 mΩ : 0 to +150 (±1%) 5 m to 9 m : 1mΩ step ±5 0 to +200 (±2%, ±5%) 10 m to 1 M : E24 220 mΩ < R : ±100 (±1%) ±200 (±2%, ±5%) R < 47 mΩ : 0 to +300 47 mΩ < R < 1 Ω : 0 to +200 ±1, ±2, ±5 20 m to 10 (E24) –55 to +155 1 Ω < R : ±100 (±1%) ±200 (±2%, ±5%) ( ) (1) Rated Continuous Working Voltage (RCWV) shall be determined from RCWV=√Power Rating × 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 × 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 mΩ < R < 1 MΩ ) ( R< 10 mΩ ) 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) 3.20±0.20 6.40±0.20 0.55±0.10 0.70±0.20 0.45±0.20 A2 B2 P C 0D Dimensions (mm) 0.70±0.20 1.25±0.15 1.27±0.10 0.30+0.10 –0.20 0.4 min. Dimensions (mm) L W T a b 0.65±0.15 0.30±0.20 5 mΩ<R<10 mΩ 0.30±0.20 10 mΩ<R<220 mΩ 1.60±0.15 3.20±0.20 0.55±0.15 0.50±0.20 220 mΩ<R<1 MΩ 0.25±0.20 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) 2.50±0.20 5.00±0.20 0.55±0.20 0.25±0.20 0.90±0.20 L W T a b Dimensions (mm) 1.25±0.10 2.00±0.15 0.50±0.10 0.25±0.20 0.40±0.20 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 mΩ > 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