SMHP BITECH | Alldatasheet
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Technical content
20W TO-263 HIGH POWER SURFACE MOUNT RESISTORS 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 Specifications subject to change without notice Items Specification Test Conditions Power Rating 20 Watt -55°C to 25°C flange temperature Power Rating 2.25 Watt Without heatsink Thermal Resistance 3.3°C/W Resistor hot spot to flange Resistance Range 0.01-0.09 Ω 0.1-9.1 Ω 10-220 Ω Up to 51KΩ also available Nominal Resistance Series E6 E12 E24 Including 2.5Ω and 5.0 Ω TCR(ppm/°C) 250 100 50 For -55°C to +155 °C Tolerance +/-5% +/-1% & +/-5% +/-1% Operation Temp. Range -55°C to+155°C Max. Operating Voltage 500V or RP ⋅ Dielectric Withstanding Voltage. 2000 V DC 60 seconds. Humidity ∆R +/- (1.0% + 0.05 Ω) 40°C, 90-95%RH, DC 0.1W, 1000 hours. Soldering Heat (Max) ∆R +/- (0.1 %+0.05 Ω) 250+/-5°C, 3seconds, Solderability Min. 90% coverage 230+/-5°C, 3seconds. Insulation Resistance Over 1,000 Meg Ω Between terminals and tab. Vibration ∆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. Dimensions (mm) Tolerances +/-0.1 unless otherwise marked 2.0+/-0.5 10.6max 0.5 2.7 1.5 4.5 (15.3) 5.08 1.5 0.75 2.0+/-0.5 3.0+/-0.5 10.3+/-0.5 12.7 2.03 5.08 10.16 17.78 3.81 SMHP 10.3+/-0.5 10.6max 1.6+/-0.2 1.4+/-0.2 1.7+/-0.5
FR4 Thermal PCB Characterisation Pad Dimensions (x,y mm) P90 °C, 35um (W) 50, 40 4.5 45, 35 4 40, 30 3.5 35, 25 3 20, 10 2 Notes: Characterisation carried out using 35µm PCB copper pad weights, with the temperature of 90°C used as a maximum reference on the PCB. P90 °C, 35um (W) is power when the measurement point reaches 90 °C
Ordering Information
SMHP 20 20W TO-263 HIGH POWER RESISTORS -50 0 50 100 150 200 Flange Temperature (°C) 100 +155 °C +25 °C % Power 0 10 20 30 Applied Power (W) 120 100 Temperature rise (°C) Reel Dimension: Reel Orientation: Outer Diameter: 300 mm Units to be orientated with Pins facing Sprocket Holes Inner Diameter: 100 mm Width: 23.9 mm min. 27.4 mm max Quantity: 500pcs/reel 5.0 0.4 16.0 4.0 2.0 10.8 16.3 11.5 1.75 24.0 Derating Curve Temperature Rise Tape Dimensions and Orientation 0.1Ω : 0R100 J = 5% Tol 50 Ω : 500 First two digits significant, last digit: number of trailing zeros F = 1% Tol x mm y mm Temperature measurement