HIGH POWER WIRE WOUND RESISTOR HM Series: Metal-Clad, High Wattage FEATURES PART NUMBER EXAMPLE • Non-Flammable • High Wattage • Metal-Clad HM 2 A 80W-10R-J-250 Series Mounting Slots Type Wattage Wire Length (mm) Tolerance J=5%, K=10% Resistance A Type Low profile B Type Narrow base <C> H H <D> (14AWG) Mounting Slot E = 5.2mm SPECIFICATIONS Part # HM1_ HM2_ Watts 60 80 100 120 150 200 300 400 500 600 800 1,000 1,000 A+2 B+2 115 140 165 190 215 165 215 265 240 335 400 400 400 100 125 150 175 200 150 200 250 225 320 385 385 385 Type A Type B C+1 D+1 F+1 G+2 H+1 C+1 D+1 F+1 G+2 H+1 20 40 75 40 20 80 20 40 100 40 20 105 ° 125 20 40 45ÿ° 40 20 130 20 40 150 60 30 65 ° 180 20 40 175 40 20 68ÿ° 30 60 130 60 30 115 30 60 180 60 30 165 30 60 230 60 30 215 ° ° 40 80 60ÿ° 195 80 40 75ÿ° 200 ° 285 30 60 300 60 30 68ÿ° ° 360 40 80 355 80 40 75ÿ° ° 360 50 100 345 50 100 78ÿ° ° 360 30 50 100 345 80 50 100 78ÿ° 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 ~ 100k RFE International • Tel:(949) 833-1988 • Fax:(949) 833-1788 • E-Mail [email protected] C2E04 REV 2007.04.12 HIGH POWER WIRE WOUND RESISTOR HM Series: Metal-Clad, High Wattage ELECTRICAL SPECIFICATION Characteristics Limits Resistance and Tolerance Resistance nominal 1 <R 1 >R Resistance Tolerance ±5% (J) ±10% (K) Temperature coefficient ±200ppm/°C max. 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 ELECTRICAL CURVES Temperature Rise 120 300 100 250 (°C) Temperatures Rise (%) Derating Curve Power Derating Curve 80 60 40 200 150 100 50 20 0 0 -50 0 50 100 (°C) Ambient Temperature 150 200 0 25 50 75 100 (%) Percent Rated Load RFE International • Tel:(949) 833-1988 • Fax:(949) 833-1788 • E-Mail [email protected] C2E04 REV 2007.04.12