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| POWER RESISTORS MOR Series: Metal Oxide INTRODUCTION Metal Oxide Resistors offer excellent performance in applications where stability and uniformity of characteristics are desired. The complex Oxide materials used gives this series long-term stability, low temperature coefficient and negligible inductance, making it a suitable replacement for carbon composition resistors, high surge/overload capability and flameproof construction make this an alternative for many lower power wire wound resistor. FEATURES *Excellent long-term stability *Complete flameproof construction *High surge/overload capability *Wide resistance range *Standard tolerance: 5% (Consult factory for 1% & 2%) *Coating and mark resist Trichloroethylene, Freon, And other cleaning agents. *Improved stability, dissipation, TCR available. Consult factory. *Lower cost alternative to carbon composition resistors. TEMPERATURE RISE Temp. Rise (C) 240 180 120 60 0 0 1 2 3 4 5 6 7 8 100 200 400 300 500 DERATING CURVE 100 80 60 40 20 0 70 Rated Load (%) Applied Wattage 200 DIMENSIONS(mm) 0 50 100 150 200 250 300 Ambient Tempurature (C) Type MOR25 MOR50S MOR50 MOR100 MOR200 MOR300 MOR500 Small Size L MOR50M Dimension D H 20 20 20 30 3 30 3 30 3 30 3 d 0.5 0.05 0.6 0.10 0.7 0.05 0.8 0.10 0.8 0.05 0.8 0.05 0.8 0.05 Standard Tape T52 T52 T52 T73 T73 T73 T73 Standard Package 5000 5000 2500 2000 1000 1000 1000* * Ammo only 6.5 0.5 2.5 0.5 8.5 0.5 2.5 0.5 MOR100S MOR200S MOR300S MOR500S 91 11 1 16 1 18 1 25 1 41 4.5 0.5 5.0 0.5 61 8.5 1 * Special tape to tape size by request SPECIFICATIONS Condition at 70C -55C ~ +200C 2.5X if rated voltage for 5 sec. AC or DC Voltage Withstanding 700V AC 1 min. Insulation Resistance 500V megger Temp. Cycle -30C ~ 85C, 5 Cycles Load Life 70C on-off cycles 1000 hrs. Moisture-proof Load Life 70C on-off cycles 1000 hrs. Incombustibility 10X of rated wattage for 5 min. Max. Working Voltage Max. Overload Voltage Resistance Range *Cement body types are available (MSQ). See page C2DC01. Test Items Rating Wattage Resistance Temp. Coef. Short Time Overload MOR25 MOR50(S)(M) MOR100(S) MOR200(S) MOR300(S) MOR500(S) 1/4W 1/2W 1W 2W 3W 5W 200PPM/C 200PPM/C 200PPM/C 200PPM/C 200PPM/C 200PPM/C 1% 1% 1% 1% 1% 1% No Change 100,000M 1% 3% 3% No Flame 250V 500V 0.22 - 33K No Change 100,000M 1% 3% 3% No Flame 250V 500V 0.5 - 33K No Change No Change No Change No Change 100,000M 100,000M 100,000M 100,000M 1% 1% 1% 1% 3% 3% 3% 3% 3% 3% 3% 3% No Flame No Flame No Flame No Flame 350V 350V 500V 750V 600V 600V 800V 1000V 0.5 - 1M 0.5 - 1M 0.5 - 1M 0.5 - 100K PART NUMBER EXAMPLE MOR 50 R - 10K - J RFE International * Tel:(949) 833-1988 * Fax:(949) 833-1788 * E-Mail Sales@rfeinc.com C2CB04 REV2004.5.6 |
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