Radial Leaded High Power Resistors Type MPR Series Type MPR Series Characteristics - Electrical Resistance Range: R22 - R91 1R0 - 9R1 10R - 51K Resistance Tolerance: 5% 5% 1% / 5% Temp. Coefficient of Resistance (TCR): 250ppm/C 100ppm/C 50ppm/C Rated Power (on Suitable Heatsink): 20 Watts Rated Power (W/O Heatsink): 2 Watts * (See note below) Equivalent Parallel Capacitance: 1.0 pF Maximum Operating Voltage: 500V dc Withstand Voltage: 2000 V dc (Between terminals and heatsink) This small size non-inductive, high Operating Temperature Range: -55C to +155C power resistor is an innovative and Rated Ambient Temperature: -25C to +40C significant first for Tyco Electronics. * With a 5.8C watt heatsink or better at a 25C ambient temperature, 20 watts can be dissipated Occupying a standard T0220 A larger heatsink will allow the resistor to run at a lower temperature. package it is ideally suited to positions where high power Characteristics - dissipation, small size and tight Mechanical tolerance are key design Test Condition Specification requirements. Life (Rated Power): 40C, rated power, 90 min-on, R (1.0% + 0.05 ohm) This series is an ideal solution for 30 min off, 1000 hours the output side of high speed pulse Life (Moisture Load): 60C, 90 - 95% RH, rated power, R (1.0% + 0.05 ohm) generators, a surge absorption 90 min ON 30 min OFF, 1000 hours resistor in switch mode power Temperature Cycling: Room temp > -55C 30 min > R (0.25% + 0.05 ohm) supplies and for monitors, display RT, 10 min 120C 30 min > RT 10 min, 5 cycles terminals, scientific workstations Short Time Overload: Rated voltage x 2.5, 5sec R (0.25% + 0.05 ohm) and other brown and white goods. Soldering Heat: 350C solder pot, 3sec R (1.0% + 0.05 ohm) Insulation Resistance: DC 100 V, 1 min Over 1000M ohm Key Features Vibration: 10 - 50 Hz, 1 min, 20G, X-Y-Z 1 hour R (0.5% + 0.05 ohm) Small Size (T0220 Package) Easy to Mount Non Inductive Power Derating Curve High Frequency Range up to 300MHz 100 Temperature Range 75 -55C to +155C High Power 20W with 50 Suitable Heatsink 25 Voltage Proof 2000V dc Non Flammable 0 -50 0 25 50 75 100 125 155 Case Temp. (Metal Tab. Temp. C) Load Life in High Temperature & Humidity (70C 95% DC Rated Power x 0.1) Continuous 0.21 0.01 0 -0.01 -0.02 0 0 500 1000 1500 2000 Time (Hrs) Literature No. 1773251 Dimensions are shown for Dimensions are in Specifications subject to tycoelectronics.com Issued: 10-08 reference purposes only. millimetres unless change. passives.tycoelectronics.com otherwise specified. Power Rating % Resistance Change (%)Radial Leaded High Power Resistors Type MPR Series Dimensions PCB Piercing Plan How to Order MPR 20 C 680R J Common Part Wattage Rating Temp. Coefficient Resistance Value Tolerance 25C with Heatsink of Resistance 0.1 ohm (100 milliohms) R10 C - 50ppm/C F - 1% MPR - High Power 1 ohm Film Resistor 20 - 20 Watts A - 100ppm/C (1000 millohms) 1R0 J - 5% 1K ohm H - 250ppm/C (1000 ohms) 1K0 Literature No. 1773251 Dimensions are shown for Dimensions are in Specifications subject to tycoelectronics.com Issued: 10-08 reference purposes only. millimetres unless change. passives.tycoelectronics.com otherwise specified.