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) 6.40±0.20 3.20±0.20 0.55±0.10 0.70±0.20 0.45±0.20 L W T a b Dimensions (mm) 5.00±0.20 2.50±0.20 0.55±0.20 0.25±0.20 0.90±0.20 A2 B2 P 0D Dimensions (mm) 0.70±0.20 1.25±0.15 1.27±0.10 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 mΩ < R < 1 MΩ ) ( R< 10 mΩ ) Mass (Weight) [1000 pcs.] : 11 g Mass (Weight) [1000 pcs.] : 4.8 g Dimensions (mm) L W T a b 0.30±0.20 5 mΩ<R<10 mΩ 0.30±0.20 10 mΩ<R<220 mΩ 3.20±0.20 1.60±0.15 0.65±0.15 0.50±0.20 220 mΩ<R<1 MΩ 0.20±0.20 L W T a b Dimensions (mm) 2.00±0.10 1.25±0.10 0.50±0.10 0.25±0.15 0.40±0.15 ■ Circuit Configuration ERJB1 type ERJA1 type R R R 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. 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 Ω) 200 ERJB3 0.33 0.5(R < 1 Ω) 150 R < 22 mΩ : ±350 22 mΩ < R < 47 mΩ : ±200 ±150 (±1%) ±1, ±2, ±5 10 m to 10 k (E24) 47 mΩ < R < 100 mΩ : ±200 (±2%, ±5%) 100 mΩ < 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. (×10 –6/°C) 100 m to 10 k (E24) R < 100 mΩ : ±350 100 mΩ < R : ±100 (±1%) ±200 (±2%, ±5%) 10 m to 10 k (E24) 400 ±2, ±5 1 2(R < 10 Ω) Resistance Range (Ω) （ ±1, ±2, ±5 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 +150 100 mΩ < R < 220 mΩ : 0 to +150 (±1%) –55 to +155 5 m to 1 M 0 to +200 (±2%, ±5%) 5 m to 9 m : 1mΩ step 220 mΩ < R : ±100 (±1%) 10 m to 1 M : E24 ±200 (±2%, ±5%) ） 20 m to 10 (E24) R < 47 mΩ : 0 to +300 47 mΩ < R < 1 Ω : 0 to +200 1 Ω < R : ±100 (±1%) ±200 (±2%, ±5%) –55 to +155 (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 × 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