MLR Series Metal Alloy Low-Ohmic Current Sensing Resistor Feature Ideal for all types of current sensing, voltage division and pulse applications. Proprietary processing technique Extremely low Resistance values. High-temperature performance (up to +275°C) Very low inductance 0.5nH to 5nH Excellent frequency response Low thermal EMF (>1uV/°C) PART NUMBERING SYSTEM MLR Meritek Series Size 1206 2010 Rating (Watts) Code 2512 2725 2728 1206 330 R001 J 4527 C 1 A 2 3 B 4 5 0.5W 1W 1.5W 2W 3W 3.5W 4W 5W Resistance EX. R100 = 100mΩ R010 = 10mΩ R001 = 1mΩ R00025 = 0.25mΩ 4~6 Digit Tolerance Code D F Tolerance ±0.5% ±1% Code G J Tolerance ±2% ±5% Power Derating Curve: Operating Temperature Range: -55°C ~ +170°C Rev. 7 MLR Series Metal Alloy Low-Ohmic Current Sensing Resistor Dimensions Type Power Rating (W) Resistance Range (mΩ) MLR1206 0.5 MLR2010 1 1 MLR2512 1 & 1.5 2 3 MLR2725 4 Dimensions (mm) L W H T1 1 ~ 50 3.20 ± 0.254 1.60 ± 0.254 0.645 ± 0.254 0.508 ±0.254 1.0 ~ 3 5.08 ± 0.254 2.54 ± 0.254 0.787 ± 0.254 1.295 ± 0.254 0.787 ± 0.254 3.302 ± 0.254 0.645 ± 0.254 0.787 ± 0.254 0.645 ± 0.254 0.645 ± 0.254 0.787 ± 0.254 0.645 ± 0.254 3.1 ~ 100 0.5 ~ 4 4.1 ~ 75 75.1 ~ 100 0.5 ~ 4 4.1 ~ 75 0.5 6.248 ± 0.254 1.880 ± 0.254 0.787 ± 0.254 0.6 ~ 2.9 4.1 ~ 10 3~4 0.25 / 0.5 1 1.5 MLR4527 1.118 ± 0.254 1.676 ± 0.254 0.991 ± 0.254 6.807 ± 0.254 6.452 ± 0.254 2 2.5 3 MLR2728 T2 1.092 ± 0.254 0.991 ± 0.254 2.159 ± 0.254 0.889 ± 0.254 1.803 ± 0.254 1.654 ± 0.254 1.295 ± 0.254 1.143 ± 0.254 3 3.5 4 4 ~ 100 6.706 ± 0.254 7.188 ± 0.254 0.991 ± 0.254 3&5 0.5 0.6 ~ 5.0 5.1 ~ 120 11.430 ± 0.254 6.850 ± 0.254 1.500 ± 0.254 3.215 ± 0.254 3.215 ± 0.254 1.815 ± 0.254 0.965 ± 0.254 Rev. 7 MLR Series Metal Alloy Low-Ohmic Current Sensing Resistor Product Specifications Type Number of Terminals MLR1206 2 MLR2010 MLR2512 2 2 MLR2725 2 MLR2728 2 MLR4527 2 Rated Power at 70°C Max. Rated Current Max. Overload Current T.C.R (ppm / °C) 0.5W 22.36A 44.72A 1W 31.62A 63.25A 1 ~ 4 mΩ≤±50 4.1 ~ 15 mΩ≤±25 15.1 ~ 50 mΩ≤±15 1W 31.62A 63.25A 1W 44.72A 100.00A 1.5W 54.77A 122.48A 2W 63.25A 141.42A 3W 77.46A 134.16A 4W 3W 3.5W 4W 126.49A 27.39A 29.58A 31.62A 252.95A 47.43A 51.23A 63.25A 3W 5W 77.5A 100A 134A 173A 1 ~ 3 mΩ≤±50 3.1 ~ 6.9 mΩ≤±25 7 ~ 100 mΩ≤±15 0.5 ~ 3 mΩ≤±50 3.1 ~ 6.9 mΩ≤±25 7 ~ 100 mΩ≤±15 0.5 ~ 3 mΩ≤±50 3.1 ~ 6.9 mΩ≤±25 7 ~ 75 mΩ≤±15 0.5 ~ 2.5 mΩ≤±50 2.6 ~ 10 mΩ≤±25 ≤±50 4 ~ 7 mΩ≤±25 7.1 ~ 100 mΩ≤±15 4 ~ 7 mΩ≤±25 7.1 ~ 50 mΩ≤±15 ≤±50 Resistance Range D (±0.5%) F (±1%), G (±2%), J (±5%) 7 ~ 50 mΩ 1 ~ 50 Ωm 7 ~ 50 mΩ 1 ~ 50 Ωm 7 ~ 100 mΩ 1 ~ 100 mΩ 7 ~ 100 mΩ 0.5 ~ 100mΩ 7 ~ 75 mΩ 0.5 ~ 75mΩ 7 ~ 10 mΩ 0.5 ~ 10mΩ -- Operating Temperatur e Range -55°C ~ +170°C 0.25 ~ 3mΩ 4 ~ 100 mΩ 4 ~ 50 mΩ 7 ~ 120 mΩ 0.5 ~ 120 mΩ Recommend Land Pattern Unit: mm Type Maximum Power Rating (Watts) MLR1206 MLR2010 0.5 & 1.0 1.0 MLR2512 1.0 & 1.5 MLR2512 2.0 MLR2512 3.0 MLR2725 MLR2728 MLR4527 4.0 3.0 & 3.5 & 4.0 3.0 & 5.0 Land Pattern Dimensions Resistance Range (mΩ) 1.0 ~ 50.0 1.0 ~ 3.0 3.1 ~ 100.0 0.5 ~ 4.0 4.1 ~ 100.0 0.5 ~ 4.0 4.1 ~ 75.0 0.50 0.6 ~ 2.9 & 4.1 ~ 10.0 3.0 ~ 4.0 0.25 ~ 3.0 4.0 ~ 100.0 0.5 ~ 5.0 5.1 ~ 120 a b i 1.60 2.89 2.29 3.05 2.11 3.05 2.11 3.05 2.19 2.18 2.92 2.92 3.68 3.68 3.68 3.68 3.68 3.68 1.00 1.22 2.41 1.27 3.18 1.27 3.18 1.27 3.00 2.79 3.18 2.75 4.80 3.40 3.68 6.86 7.82 8.74 8.74 1.80 1.32 3.51 5.51 8.31 Rev. 7 MLR Series Metal Alloy Low-Ohmic Current Sensing Resistor Tape Dimensions Unit: mm Type A B W E F T1 T2 P P0 10 X P0 P1 MLR1206 3.48±0.10 1.83±0.10 8.0±0.15 1.75±0.10 3.5±0.10 0.90±0.10 0.20±0.05 4.0±0.10 4.0±0.10 40.0±0.20 2.0±0.10 MLR2010 5.45±0.10 2.90±0.10 12.0±0.15 1.75±0.10 5.5±0.10 1.10±0.10 0.23±0.05 4.0±0.10 4.0±0.10 40.0±0.20 2.0±0.10 MLR2512 6.74±0.10 3.90±0.10 12.0±0.15 1.75±0.10 5.5±0.10 1.08±0.10 0.24±0.05 8.0±0.10 4.0±0.10 40.0±0.20 2.0±0.10 MLR2725 7.15±0.10 6.75±0.10 12.0±0.15 1.75±0.10 5.5±0.10 1.70±0.10 0.25±0.05 8.0±0.10 4.0±0.10 40.0±0.20 2.0±0.10 MLR2728 7.15±0.10 7.70±0.10 12.0±0.15 1.75±0.10 5.5±0.10 1.20±0.10 0.25±0.05 12.0±0.10 4.0±0.10 40.0±0.20 2.0±0.10 MLR4527 11.80±0.10 7.20±0.10 24.0±0.15 1.75±0.10 11.5±0.10 1.70±0.10 0.30±0.10 12.0±0.10 4.0±0.10 40.0±0.20 2.0±0.10 Packaging Quantity Type Tape Width MLR1206 MLR2010 MLR2512 MLR2725 MLR2728 MLR4527 8 mm 12 mm 12 mm 12 mm 12 mm 24 mm 4 mm Pitch 4000 pcs 2000 pcs Packaging Quantity (pcs / reel) Emboss Plastic Type 8 mm Pitch 12 mm Pitch 2000 pcs 1000 pcs 1000 pcs 500 pcs Reel Dimensions Reel Type/ Tape 7” reel for 8 mm tape 7” reel for 12 mm tape 7” reel for 24 mm tape W 12.0 ± 0.5 16.2 ± 0.5 24.4 + 2/-0 M 178 ± 1.0 A 2.0 ± 0.5 2.5 ± 0.5 2.0 ± 0.5 B 13.2 ± 0.5 13.5 ± 0.5 13.2 ± 0.5 C 17.7 ± 0.5 Unit: mm D 60.0 ± 0.5 60.0 ± 0.5 60.0 ± 0.5 Rev. 7