Current Sensing Resistors, Metal Plate Type ERJ MS, MB type ERJ MS4, MB1 series Features Ideal for current sensing solution Small case size with high power Metal plate bonding technology. Excellent long term stability Outer Resin with high heat dissipation. Wide temperature range-65 to +170 AEC-Q200 compliant RoHS compliant ISO9001ISO/TS16949 certified As for packaging methods, land pattern, soldering conditions and safety precautions, please see data files. Explanation of part numbers 1T ERJS02 ERJS1T 1 2 3 4 5 6 7 9 10 11 12 8 E R J M S 4 S F 2 M 0 U Product code Type code Resistance tolerance Resistance value Packaging methods Code inch size Electrode type Code Tolerance Code Packaging Part No. Metal plate Shown by 3 digits or chip resistors S4S 2512 Standard F 1 Embossed carrier taping letters.Decimal point is ERJMS4 4 mm pitch, 2,000 pcs S4H 2512 Narrow expressed by M as U 2.0 m=2M0, B1S 1020 Standard Embossed carrier taping ERJMB1 10.0 m=10 4 mm pitch, 3,000 pcs Ratings Category Terminal Power rating Resistance Resistance Part No. T.C.R. temperature temp. AEC-Q200 (70 ) range tolerance -6 (inch size) (10 /K) range upper limit Grade (W) (m) (%) ERJMS4S 3 1, 2, 3, 4 75 65 to +170 130 Grade 0 F : 1 (2512) ERJMS4H 3 5, 6 75 65 to +170 130 F : 1 Grade 0 (2512) 2 7, 8, 9, 10 F : 1 75 65 to +170 100 ERJMB1S 2 1, 2, 3, 4, 5 75 65 to +170 130 Grade 0 F : 1 (1020) Please contact us when resistors of irregular series are needed. Power Derating Curve 120 If the terminal temperature of the resistor is more -65 100 130 100 than terminal temperature upper limit value of the 80 rated table, please reduce the rated power according 60 to the Power Derating Curve shown in the figure on the right. ERJMS4H Supplemented 40 (7 to 10 m) In the case of the temperature measurement of the terminal portion of 20 170 the resistor, Please perform under the following conditions. 0 1Terminal temperature measurement, please apply the temperature of -80 -40 0 40 80 160 200 120 the higher of either the left or right electrode upper surface of the resistor. Terminal Temperature (C) 2Please measure the temperature of the resistor in the land pattern printed of circuit board and plan to use by real conditions. 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. 1-Mar-20 Rated Load (%)Current Sensing Resistors, Metal Plate Type Construction Protective Film Surface Treatment Ni/Sn Electrode (Metal) Resistive Element (Metal Plate) Dimensions in mm (not to scale), Recommended land pattern ERJMS4S/ERJMS4H ERJMB1S T T W W A L A L b b a a Land Pattern Unit : mm Mass Dimensions Recommended land pattern (Weight) Part No. L W A T a b c (g/1000 pcs) ERJMS4S 6.400.25 3.200.25 2.200.25 1.200.15 2.7 3.4 2.0 120 ERJMS4H 6.400.25 3.200.25 1.250.25 1.200.15 1.7 3.4 4.0 115 0.68 ERJMB1S 2.550.25 5.000.25 0.900.15 1.15 5.5 1.1 40 +0.15/-0.20 Typical temp. dependence of electrical resistance Long-term stability 1 1 ERJMS4SF2M0U 140 Storage 0.5 0.5 0 0 -0.5 -0.5 -1 -1 -80 -60 -40 -20 0 20 40 60 80 100 120 140 160 180 0 2000 4000 6000 8000 est Time (hrs) 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. 1-Mar-20 Change of Resistance(%) Change of Resistance(%)