Radial Leaded High Power Resistors Type MPR Series Type MPR Series Characteristics Electrical This small size non-inductive, high power resistor is an innovative and significant first for Tyco. Occupying a standard T0220 package it is ideally suited to positions where high power Resistance Range: R22 - 51K Resistance Tolerance: E12 5% E24 1% Temperature Coefficient of Resistance: 10R - 51K - 50ppm/C (1% / 5%), 1R0 - 9R1 - 100ppm/C (5%), R22 - R91 - 250ppm/C (5%) Rated Power (on Suitable Heatsink): 20 watts Rated Power (W/O Heatsink): 2 watts Equivalent Parallel Capacitance: 1.0 pF Maximum Operating Voltage: 500 V dc Withstand Voltage: 2000 V dc (Between terminals and heatsink) Operating Temperature Range: -55C to +155C Rated Ambient Temperature: -25C to +40C Characteristics Mechanical dissipation, small size and tight Test Condition Specification Life (Rated Power): 40C, rated power, 90 min-on, 30 min off, 1000 hours R (1.0% + 0.05 ohm) Life (Moisture Load): 60C, 90 - 95% RH, rated power, 90 min ON 30 min OFF, 1000 hours R (1.0% + 0.05 ohm) Temperature Cycling: Room temp > -55C 30 min > RT, 10 min 120C 30 min > RT 10 min, 5 cycles R (0.25% + 0.05 ohm) Short Time Overload: Rated voltage x 2.5, 5sec R (0.25% + 0.05 ohm) Soldering Heat: 350C solder pot, 3sec R (1.0% + 0.05 ohm) Insulation Resistance: DC 100 V, 1 min Over 1000M ohm Vibration: 10 - 50 Hz, 1 min, 20G, X-Y-Z 1 hour R (0.5% + 0.05 ohm) tolerance are key design requirements. This series is an ideal solution for the output side of high speed pulse generators, a surge absorption resistor in switch mode power supplies and for monitors, display terminals, scientific workstations and other brown and white goods. Key Features Small Size (T0220 Package) Easy to Mount Non Inductive Temperature Range -55C to +155C High Power 20W with Suitable Heatsink Voltage Proof 2000V ac Non Flammable 0.21 Resistance Change (%) High Frequency Range up to 300MHz (70C 95% DC Rated Power x 0.1) Continuous 100 Power Rating % Load Life in High Temperature and Humidity Power Derating Curve 75 50 0.01 0 -0.01 25 -0.02 0 0 -50 0 25 50 75 100 125 155 0 500 1000 Time (Hrs) Case Temp. (Metal Tab. Temp. C) 1500 2000 PCB Piercing Plan Dimensions How to Order MPR 20 C 680R J Common Part Wattage Rating @ 25C with Heatsink Temp. Coefficient of Resistance Resistance Value Tolerance 20 - 20 Watts A - 100ppm/C (5%) MPR - High Power Film Resistor C - 50ppm/C H - 250ppm/C (5%) Literature No. 1773251 Issued: 04-05 Dimensions are shown for reference purposes only. Dimensions are in millimetres unless otherwise specified. 0.1 ohm (100 milliohms) R10 1 ohm (1000 millohms) 1R0 1K ohm (1000 ohms) 1K0 Specifications subject to change. F - 1% J - 5% www.tycoelectronics.com passives.tycoelectronics.com