20W TO-263 HIGH POWER SURFACE MOUNT RESISTORS Features………………………………………………………… Applications……………………………………………… . Non-Inductive, Small, 20 Watt high power resistor. TO-263 surface mount package offering a very low thermal resistance. Small thin package for high density PCB installation. RoHS compliant. Suitable for board mounting with either solder or clip. ……… High frequency emitter resistors in switching power supplies. High precision CRT color video amplifiers. High frequency snubber and pulse handling circuits. Pulse generator load resistors. In-rush current protection Bleeder Resistors Specification Dimensions (mm) 4.5 10.6max 12.7 17.78 3.81 (15.3) 2.0 2.0 3.0 10.3 SMHP 10.16 1.5 0.75 0.5 2.7 1.5 5.08 2.03 5.08 Specifications subject to change without notice Items Power Rating Power Rating Thermal Resistance Resistance Range Nominal Resistance Series TCR(ppm/°C) Tolerance Operation Temp. Range Max. Operating Voltage Dielectric Withstanding Voltage. Load Life Humidity Temp. Cycle Soldering Heat (Max) Solderability Insulation Resistance Vibration Specification 0.01-0.09 Ω E6 250 +/-5% 20 Watt 2.25 Watt 3.3°C/W 0.1-9.1 Ω E12 100 +/-1% & +/-5% -55°C to+155°C 500V or P ⋅R 2000 V DC ∆R +/- (1.0% + 0.05 Ω) ∆R +/- (1.0% + 0.05 Ω) ∆R +/- (0.25% + 0.05 Ω) ∆R +/- (0.1 %+0.05 Ω) Min. 90% coverage Over 1,000 Meg Ω ∆R +/- (0.25% + 0.05 Ω) Notes: 1. Electrically isolated metal tab. 2. Contact factory for custom products, non-standard values and tolerances. 3. Current rating: 25A maximum. 1 Test Conditions 10-220 Ω E24 50 +/-1% -55°C to 25°C flange temperature Without heatsink Resistor hot spot to flange Up to 51KΩ also available Including 2.5Ω and 5.0 Ω For -55°C to +155 °C 60 seconds. 25 °C, 90 min.ON, 30 min. OFF, 1000 hours. 40°C, 90-95%RH, DC 0.1W, 1000 hours. -55°C,30 min.,+155°C,30 min., 5cycles 250+/-5°C, 3seconds, 230+/-5°C, 3seconds. Between terminals and tab. SMHP 20 20W TO-263 HIGH POWER RESISTORS Temperature Rise Derating Curve % Power Temperature rise (°C) 120 +25 °C 100 . 100 80 80 60 60 40 0 -50 40 +155 °C 20 20 0 50 100 150 Flange Temperature (°C) 0 200 0 10 20 Applied Power (W) Tape Dimensions 16.0 5.0 0.4 4.0 2.0 1.75 24.0 16.3 11.5 10.8 Reel Dimension: Outer Diameter: 300 mm Inner Diameter: 100 mm Width: 23.9 mm min. 27.4 mm max Quantity: 500pcs/reel Ordering Information SMHP 20 2 500 F Model Resistance Code Tolerance 0.1Ω : 0R100 50 Ω : 500 First two digits significant, last digit: number of trailing zeros J = 5% Tol F = 1% Tol 30