20W TO-220 HIGH POWER RESISTORS Features…………………………………………………………. Non-inductive. Thermally enhanced Industry standard TO220 package. RoHS compliant. Low thermal resistance, 5.9 °C/W resistor hot spot to metal tab. Complete thermal flow design available for easy implementation. Superior vibration durability. Small thin package for high density PCB installation. Applications……………………………………………………… High frequency circuits and high speed pulse designs. Switch mode power supplies. Motor control and drive circuits. Automotive. Industrial computing and measurement systems. Specification Dimensions MHP J G B K dia.M C D L A N E H F A 10.6 B 15.0 C 4.5 D 1.5 E 2.7 F 5.08 G 0.75 H 0.5 J 1.5 K 19.0 L 2.7 M 3.6 N 15.0 Specification Item Power Rating Power Rating Thermal Resistance Resistance Range Nominal Resistance Series TCR Tolerance Operation Temp. Range Max. Operating Volt. Dielectric Withstanding Voltage Load Life Humidity Temp. Cycle Soldering Heat Solder ability Insulation Resistance Vibration . 1 0.01-0.09 Ω E6 250 ppm/°C +/- 5% (J) Specifications 20 Watts 2.25 Watts 5.9 °C/W 0.1-9.1 Ω E12 100 ppm/°C 5% (J) -55°C to+155°C 500V or P.R 2000 Volts AC ∆R +/-(1.0 %+0.05 Ω) ∆R +/- (1.0 %+0.05 Ω) ∆R +/- (0.25 %+0.05 Ω) ∆R +/- (0.1 %+0.05 Ω) Over 95% of surface Over 1,000 MΩ ∆R +/- (0.25 %+0.05 Ω) 10-220 Ω E24 50 ppm/°C +/-1% (F) Test Conditions -55 to 25 °C flange temperature Free air. Hot spot to Tab Up to 51 KΩ also available 2.5 Ω and 5.0 Ω also available -55 to +155 °C 60 seconds. 25 °C, 90 min. ON,30 min. OFF,1000 hours. 40°C,90-95%RH, DC 0.1 W, 1000 hours. -55 °C,30 min.,+155 °C,30 min., 5 cycles 250+/-5 °C, 3 seconds, 230+/-5 °C, 3 seconds. Between terminals and tab. Specifications subject to change without notice MHP 20 Power (Watts) 20W TO-220 High power resistors Temperature Rise(°C) Derating Curve Temperature Rise 140 MHP 20 500 F 120 100 +25C 20 80 15 60 10 40 20 5 +155C 0 0 0 -50 0 50 100 150 200 10 20 Power (Watts) Flange Temperature (C°) Pulse Energy Durability Frequency Characteristics Impedance (ohms) 10K MHP 20 10K0 F Pulse Peak (Watts), 10K MHP 20 100F MHP 20 1K0 F 1K 1K MHP 20 101 F 100 100 MHP 20 500 F 10 10K 10 1µ Notes: (1) (2) (3) (4) (5) MHP 20 220F 10µ 100µ 1m Pulse With (seconds) 10m 100m 100K 10M 100M Electrically isolated metal tab. Recommend the use of thermal grease between metal tab and heat sink. Thermal design should account for a thermal resistance between resistor and tab of 5.9°C/W and a maximum resistor temperature of 155°C. Current rating: 25A maximum. Surface mount package also available, please call factory. Ordering Information MHP 20 500 F Model Resistance Code 0.1Ω : 0R100 50 Ω : 500 First two digits significant, last digit: number of trailing zeros 2 1M 1G Tolerance J = 5% Tol F = 1% Tol