RoHS FEATURES PART NUMBER EXAMPLE • Non-Flammable • High Wattage • Metal-Clad HM 2 A 80W-10R-J-250 Series Mounting Slots (each end) Type Wattage A Type Low profile Wire Length (mm) Tolerance J=5%, K=10% Resistance B Type Narrow base <C> H H <D> (14AWG) Mounting Slot E = 5.2mm DIMENSIONS (mm) & RESISTANCE RANGES Part # HM1_ HM2_ Watts A+2 B+2 100 125 150 175 200 150 200 250 225 320 385 385 535 C+1 20 20 20 20 20 30 30 30 40 30 40 50 50 1,000 400 385 50 60 80 100 120 150 200 300 400 500 600 800 1,000 1,500 115 140 165 190 215 165 215 265 240 335 400 400 550 Type A Type B D+1 F+1 G+2 H+1 C+1 D+1 F+1 G+2 H+1 40 75 40 20 80 40 100 40 20 105 40 45° 125 40 20 130 40 150 60 30 65 40 175 40 20 68° 180 60 130 60 30 115 60 180 60 30 165 60 230 60 30 215 80 60° 195 80 40 75° 200 60 300 60 30 68° 285 80 355 80 40 75° 360 100 345 50 100 78° 360 50 100 78° 360 30 100 490 100 50 78° 360 30 100 345 80 Resistance Range 0.1 ~ 10K 0.1 ~ 10K 0.1 ~ 10K 0.15 ~ 15K 0.15 ~ 15K 0.3 ~ 20K 0.5 ~ 30K 0.5 ~ 30K 0.5 ~ 30K 1 ~ 50K 1 ~ 50K 1 ~ 100K 1 ~ 150K 1 ~ 100K Page 1 of 2 C2ER04 2011.09.12 RoHS ELECTRICAL CHARACTERISTICS Specification Parameter Resistance and Tolerance Resistance nominal 1 <R 1 >R Resistance Tolerance ±5% (J) ±10% (K) ±200ppm/°C max. Temperature coefficient Power rating load R/R<± (1%+0.05 ) (Temperature) 350°C max Short-time overload 1000% rated power 5 seconds R/R <± (2%+0.05 ) 500Vdc 100M Insulation resistance min 2000Vac 1 minute Dielectric withstanding voltage CHARACTERISTIC CURVES Power Derating Curve Temperature Rise 300 100 250 Temperatures Rise (°C) 120 Derating Curve (%) 80 60 40 200 150 100 50 20 0 0 -50 0 50 100 150 200 0 25 50 75 100 Percent Rated Load (%) Ambient Temperature (°C) Page 2 of 2 C2ER04 2011.09.12