HIGH POWER RESISTOR – Water Cooling, Non-Inductive The content of this specification may change without notification 12/14/07 Custom solutions are available. HOW TO ORDER RWC 50 - 102 K B Packaging B = bulk FEATURES Tolerance K= +10% Resistance (Ω) 1R0 = 1.0 100 = 10 101 = 100 102 = 1.0K Rated Power 50A = 500 W 50B = 500 W 100 = 1,000 W 200 = 2,000 W Small size 500W, 1Kw, and 2Kw water-cooled non-inductive resistor with very low resistor temperature while in operation Flat plate resistance and twisted pair leads and special terminal structure (patent) have shown excellent surge absorption performance Resistors are insulated from case by high purity alumina substrate, and are guaranteed voltage-proof to 5kV APPLICATIONS Series Water Cooled High Power Resistor Surge suppression resistors for power thyristors and IGBT, Power supply for electric power conversion system and industrial apparatus High output AC motor controls SPECIFICATIONS Model RWC50A RWC50B RWC-100 RWC-200 Rated Power 500 W (250 W/resistor element) 500 W 1,000 W 2,000 W Max. Applied Power 700 W (350 W/resistor element) Resistance Range Ω 0.10 ~ 1.0K 0.22 ~ 1.0K 0.22 ~ 1.0K 0.22 ~ 1.0K All All All All ±250 ±250 ±250 ±250 ±10% ±10% 600pF 1200pF EIA Values TCR (ppm/°C) Tolerance Inductance (typical) Capacitance (typical) Hose Mouth Water Temperature ±10% ±10% Series: 40nH/Dual resistor 0.1uF Parallel: 160pF/dual resistor 300pF Standard: nipple - - - +41°C max at inlet, > dew point 41°C* 41°C* 41°C* Volume of Water Flow 2 litters/minute minimum 6 litters/min 6 litters/min 6 litters/min Minimum Water Temp. - Over due point Over due point Over due point Water Pressure Loss Max. Water Pressure 0.06Kg/cm 2 0.1kgf/cm 2 2 0.1kgf/cm 2 2 0.1kgf/cm - 10Kg/cm 10Kg/cm 10Kg/cm Water Temperature Rise 1.4°C 1.4°C** 3.0°C** 6.0°C** Case Temperature Rise 14°C 14°C 14°C 14°C Surface Temperature Rise 50°C 50°C 50°C 50°C Max. Surface Temp. Rise 110°C 110°C 110°C 110°C Continuous Impulse Load Peak Power 37kW/10 microsec./10kHz (ref. only) - - - 100kW/70 microsec. - - - Damaged Impulse Load Terminal Codes Dielectric Strength Max Operating Voltage 2 2 Teflon Insulated Wire (0.18/30, outer diameter 2mm, blue), 200mm length - - - AC 2000V, 60 sec. (between terminal and case) - - - 1000V AC - - - Withstanding Voltage - 2000V AC 2000V AC 2000V AC Insulation Resistance 1,000Meg ohm min. (between terminal and case) - - - Load Life ±2% (rating 500W, 1000 hours) - - - Humidity ±2% (rating x 0.1, 1000 hours continuous load) - - - 350g 3kg 5kg 10kg Weight *at inlet ** at outlet at rated power American Accurate Components, Inc. 188 Technology Drive, Unit H, Irvine, CA 92618 TEL: 949-453-9888 FAX: 949-453-8889 1 HIGH POWER RESISTOR – Water Cooling, Non-Inductive The content of this specification may change without notification 12/14/07 SCHEMATIC & DIMENSIONS (mm) TEMPERATURE RISE (RWC50A) RWC50A Resistor Surface Temperature Rise Case Temperature Rise RWC50B RWC100 RWC200 Custom solutions are available For more information; send your specification to [email protected] American Accurate Components, Inc. 188 Technology Drive, Unit H, Irvine, CA 92618 TEL: 949-453-9888 FAX: 949-453-8889 2