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ULV300 Datasheet(PDF) 1 Page - RHOPOINT COMPONENTS |
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ULV300 Datasheet(HTML) 1 Page - RHOPOINT COMPONENTS |
1 / 2 page Tel : + 44 (0) 1883 717988 Fax : +44 (0) 1883 712938 //// Website : http://www.rhopointcomponents.com Email: sales@rhopointcomponents.com ULV/ULH TYPE (UL® Approved) The ULV(V=vertical & ULH(H=horizontal) models are UL approved metal-clad, wire-wound high-power resistors designed for industrial and other applications. Our extruded aluminium housing provides rugged and strong protection. These models are available with flying leads or Tab terminals and can be ordered with inductive or non-inductive windings. To conform to UL safety requirements, ULV/ULH models differ from IRV/IRH models in that: The resistance range is smaller, the flying leads are UL approved and the dielectric strength depends on the ohmic value. GENERAL SPECIFICATIONS Resistance Range [ohms] Inductive Non- Inductive Model Wattage Rating on Heat Sink Tab terminals Flying leads Tab terminals Flying leads Resistance Tolerance ULH/ULV60 60 0.1-375 0.1-400 0.1-180 0.1-180 ULH/ULV80 80 0.1-281 0.1-910 0.1-110 0.1-110 ULH/ULV100 100 0.1-225 0.1-1.1K 0.1-225 0.1-240 ULH/ULV120 120 0.1-187 0.1-1.3K 0.1-187 0.1-300 ULH/ULV150 150 0.1-150 0.1-1.6K 0.1-150 0.1-390 ULH/ULV200 200 0.1-450 0.1-2.2K 0.1-450 0.1-1K ULH/ULV300 300 0.1-300 0.1-2.7K 0.1-300 0.1-1.5K ULH/ULV400 400 0.1-225 0.1-4.3K 0.1-225 0.1-2.2K ULH/ULV500 500 0.1-180 0.1-6.8K 0.1-180 0.1-3K +-2.0(G) +-5.0(J) +-10(K) CHARACTERISTICS Values in [ ] mean change in ohms after test Temperature Range -55C to 200C Insulation Resistance 20M ohms minimum Dielectric Strength [1000V+(rated voltage×2)] / min. Temp. Coefficient +-260ppm/C maximum Short Time Overload +-[2%+0.05ohms] 60W:5Xwattage rating-5second, 80to500W: 10Xwattage rating-5seconds Moisture Resistance +-[3%+0.05 ohms] 40C, 95% RH, DC100V case to terminal (500hrs.) Thermal Shock +-[2%+0.05 ohms] wattage rating 30min., -25C, 15minutes Vibration +-[1%+0.05 ohms] 10Hz-55Hz-10Hz (1min.),2hrs. each direction Moisture Load Life +-[3%+0.05 ohms] 40C,95%RH,0.1Xwattage rating, 1.5h.on,30min.off,500 hours Load Life +-[5%+0.05 ohms] Wattage rating 1.5h. on, 30min. off, 500hours Applied voltage : AC RMS voltage SURFACE TEMPERATURE INCREASE VERSUS POWER LOAD A mid-point bracket is required for 150, 300, 500W models to ensure sufficient contact with the heat sink. |
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