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| TOKEN RMG50 To-Style Power Resistors To-Style Power Resistors To-Style Power Resistors Keeps Its Cool Preview Providing design engineers with an open screened substrate device for applications requiring superior thermal performance, Token Electronics has developed a non-moulded power resistor rated up to 50W. Designated the RMG50 Series, the resistor is housed in a TO-220 opened screened substrate package, and features an insulated tapered venturi bonded to the substrate for maximum heat dissipation. The design of the RMG50 Series resistor allows for three methods of heat dissipation, resulting in exceptional power handling characteristics. The chimney-shaped tapered venturi is attached to the ceramic substrate and convection forces hot air up the `neck' of the chimney and away from the resistor face of the component. The power resistor utilises all three methods of heat dissipation, including conduction through the heatsink tab, radiation from the resistor surface, and convection through the venturi element. Typical applications for the RMG50 resistor include higher wattage switch-mode power supply circuits, motor control and drive circuits, inverters and industrial power equipment. Resistance ranges from 0.05 to 10K, with tolerances of 0.50% and 10% and operating temperature range is -65C to +150C. The RMG50 Series TO-220 provides customers requiring more wattage in a smaller package with an excellent alternative. Token Electronics will also produce devices outside these specifications to meet customer requirements, with comprehensive application engineering and design support available for customers worldwide. Contact us with your specific needs. Applications - UPS. - Voltage Regulation. - Pulsing applications. - Switching Power Supplies. - Non-inductive design for high frequency. Features - Electrically Isolated Case. - TO-220 Style Power Package. - Low ohm value, non-inductance design - Molded Case for Protection and Easy to Mount. - 50 Watt at 25C Case Temperature Heat Sink Mounted. Version 2010 http://www.token.com.tw/ rfq token.com.tw 01 of 03 TOKEN Dimensions (Unit: mm) RMG50 To-Style Power Resistors W T D1 D C H B1 T1 B T2 T1 T2 B B1 C D D1 1.14~1.40 Type RMG50 W 10.15~10.67 H T 16.00~16.52 2.92~3.44 0.40~0.60 1.52~2.04 11.43~13.97 2.54~4.06 4.82~5.34 0.66~0.86 Electrical Characteristics Specifications Resistance Range 0.05~1 2~5 5~10 11~10K Resistance Tolerance 5.00% 10.0% 1.00% 5.00% 10.0% 1.00% 5.00% 10.0% 0.50% 1.00% 5.00% 10.0% TCR(PPM/C) 200 100 200 50 100 200 Note: Operating Voltage:350V Max. Dielectric Strength: 1800VAC Insulation Resistance: 10Gmin. Working Temperature Range:-65C to +150C Resistance Value < 1 is Available Power Derating Curve Derating Curve 100 Rated Power (%) 80 60 40 20 0 0 25 50 75 100 125 150 175 Case Temperature (C) 02 of 03 http://www.token.com.tw/ rfq token.com.tw Version 2010 TOKEN Environmental Characteristics Test Item Temperature Coefficient of Resistance Short Time Overload Load Life Humidity (Steady State) Thermal Shock Terminal Strength Vibration, High Frequency RMG50 To-Style Power Resistors Specification Test Method 10 and above, 50ppm/C Referenced to 25C, R taken at +105C 1 and 10, (100ppm)/C 2 times rated power with applied voltage not to exceed R0.3% 1.5 times maximum continuous operating voltage for 5 seconds. R1.0% MIL-R-39009,2,000 hours at rated power. MIL-STD-202F, Method 103B R0.5% 40C, 90~95%RH, RCWV 1.5hours ON, 0.5hours OFF. total 1000~1048 hours. MIL-STD-202, Method 107G. R0.3% -65C~150C,100 cycle R0.2% MIL-STD-202, Method 211, Cond.A(Pull Test) 2.4N. R0.2% MIL-STD-202, Method 204, Cond.D. Note: 1.Lead Material: Tinned Copper. Maximum Torque: 0.9 Nm. 2.Without a Heat Sink, When in Free Air at 25C, the RMG50 is Rated for 3W. 3.The Case Temperature is to be used for the Definition of the Applied Power Limit. 4. The Case Temperature Measurement Must be Made with a Thermocouple Contacting the Center of the Component Mounted on the Designed Heat Sink. 5.Thermal Grease Should be Applied Properly. How to Order RMG Part Number 50 J P D Code 10R TCR TCR (PPM/C) D E F - Power Rating Resistance Tolerance (%) Code D F G J K Resistance Tolerance 0.5% 1% 2% 5% 10% Package Tube Bulk 50PPM/C 100PPM/C 200PPM/C No specified Resistance 0.1 10 Resistance Code 0R1 10R 1K 10K Package Code T P 1K 10K Back to 1st Page - TO-220 Power Resistors (RMG50) Version 2010 http://www.token.com.tw/ rfq token.com.tw 03 of 03 |
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