Surface Mount Resistors Land Pattern Recommended Land Pattern ● An example of a land pattern for the Rectangular Type is shown below. Chip Resistor Dimensions (mm) a b c 0402/01005 0.15 to 0.20 0.5 to 0.7 0.20 to 0.25 0603/0201 0.3 to 0.4 0.8 to 0.9 0.25 to 0.35 1005/0402 0.5 to 0.6 1.4 to 1.6 0.4 to 0.6 1608/0603 0.7 to 0.9 2.0 to 2.2 0.8 to 1.0 2012/0805 1.0 to 1.4 3.2 to 3.8 0.9 to 1.4 3216/1206 2.0 to 2.4 4.4 to 5.0 1.2 to 1.8 3225/1210 2.0 to 2.4 4.4 to 5.0 1.8 to 2.8 High power (double-sided resistive elements structure) type 4532/1812 3.3 to 3.7 5.7 to 6.5 2.3 to 3.5 Dimensions (mm) a b c 0.52 1.4 to 1.6 0.4 to 0.6 5025/2010 3.6 to 4.0 6.2 to 7.0 1.8 to 2.8 5.0 to 5.4 7.6 to 8.6 2.3 to 3.5 3.6 to 4.0 7.6 to 8.6 2.3 to 3.5 c Size mm/inch a b Part No. Size mm/inch ERJ2LW/2BW 1005/0402 ERJ3LW/3BW 1608/0603 0.5 to 0.8 2.5 to 2.7 0.9 to 1.1 ERJ6LW ERJ6BW ERJ6CW (10 to 13 mΩ) ERJ6CW (15 to 30 mΩ) ERJ8BW ERJ8CW (10 to 16 mΩ) ERJ8CW (18 to 50 mΩ) ● An 2012/0805 0.6 to 0.8 3.2 to 3.8 1.1 to 1.4 2012/0805 0.9 6432/2512 ✽ 6432/2512 ✽ ERJL1W 3.2 to 3.8 1.1 to 1.4 2012/0805 0.7 to 0.9 3.2 to 3.8 1.1 to 1.4 2012/0805 0.9 to 1.1 3.2 to 3.8 1.1 to 1.4 3216/1206 1.2 4.4 to 5.0 1.3 to 1.8 3216/1206 2.0 to 2.6 4.4 to 5.0 1.2 to 1.8 example of a land pattern for High Power Chip Resistors / Wide Terminal Type is shown below. a b c b Part No. Dimensions (mm) a b c ERJA1 ERJB1 (1) ERJC1 ERJB2 6.4 1.70 0.60 5.0 1.30 0.75 3.2 0.95 0.70 ERJB3 2.0 0.80 0.60 (1) Anti-Sulfurated High Power Chip Resistors / Wide Terminal Type 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. 07 Feb. 2016 Surface Mount Resistors Land Pattern ● An example of a land pattern for Chip Resistor Array, Metal Film Chip Resistor Array, Anti-Sulfurated Chip Resistor Array and Chip Attenuator is shown below. Conductor a d f a Solder resist b b P Dimensions (mm) Part No. EXB14V EXB14A EXB24V EXBU24 EXB24A f b c d 0.30 0.30 0.30 0.80 to 0.90 0.5 0.35 to 0.40 0.30 EXB18V 1.4 to 1.5 a b EXB28V 0.40 0.525 EXBU28 EXBN8V 0.45 to 0.50 0.35 to 0.38 d 0.25 0.25 1.40 0.25 0.25 1.40 to 2.00 f P 0.80 0.80 1.27 a Part No. f c 0.40 b c b 0.20 to 0.30 0.15 to 0.20 0.15 to 0.20 0.80 to 0.90 b Dimensions (mm) Part No. a EXBV4V,V8V 0.7 to 0.9 0.4 to 0.45 0.4 to 0.45 2 to 2.4 EXB34V,38V EXBU34,U38 0.7 to 0.9 0.4 to 0.5 0.4 to 0.5 2.2 to 2.6 ERA38V EXBS8V 1 to 1.2 0.5 to 0.75 0.5 to 0.75 3.2 to 3.8 f a d c d c d Dimensions (mm) Part No. a b EXB2HV EXBU2H d c d c d c d c d c d c d b Dimensions (mm) a b c d f 1.00 0.425 0.25 0.25 2.00 example of a land pattern for Chip Resistor Networks is shown below. EXBE Pitch 0.635 mm Through-hole less 0.2 EXBA10P 1.27 0.635 EXBA10E 0.2 1.27 0.635 1.27 0.1 to 0.15 EXBD 0.2 to 0.3 2.6 to 2.8 3.6 to 4.2 Pitch 0.5 mm 2.0 to 2.6 0.9 to 1.1 0.9 to 1.1 0.3 to 0.4 For popular pattern EXBQ 2.0 to 2.6 0.635 Pitch 0.635 mm 0.8 0.4 0.35 to 0.4 3.3 5.2 0.4 to 0.5 1.27 0.4 to 0.5 Pitch 0.4 mm Through-hole less 2.2 4.4 2.2 4.4 For high density ✽ pattern 3.3 to 3.4 5.0 to 5.4 0.4 to 0.6 0.5 1.27 1.4 to 1.5 For popular pattern 0.35 to 0.4 0.8 0.4 to 0.5 2.1 to 2.5 Pitch 0.8 mm 4.3 to 4.7 Pitch 1.27 mm 3.1 to 3.5 EXBA 1.4 3.4 ● An c c 0.20 to 0.25 0.50 ✽ When designing high density land patterns, examine the reliability of isolation among the lines and adopt the chip resistor networks. 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. 07 Feb. 2016