MODEL SMHP 35 SMHP 35 Series * 35W High Power Resistors * TO-263 Surface Mount * RoHS Compliant. FEATURES * Non-Inductive, Small, 35 Watt high power resistor. * TO-263 surface mount package offering a very low thermal resistance. * Small thin package for high density PCB installation. * Fully RoHS reflow profile compliant. APPLICATIONS * High frequency emitter resistors in switching power supplies. * High precision CRT colour video amplifiers. * High frequency snubber and pulse handling circuits. * Pulse generator load resistors. * In-rush current protection. * Bleeder Resistors. DIMENSIONS (mm) SMHP M E B D mm mm A 10.1 0.2 B 10.3 0.2 C 4.5 0.2 D 5.0 1.0 E 2.5 0.5 F 2.2 0.2 G 2.75 0.2 H 0.5 0.05 J 0.75 0.05 K 1.5 0.05 L 5.08 0.10 M 1.5 0.05 F L H K G A J C General Note BI Technologies reserves the right to make changes in product specification without notice or liability (c) BI Technologies Limited * Glenrothes, Fife KY7 4NX, UK Telephone: +44 (0) 1592 662200 * Facsimile: +44 (0) 1592 662299 * Website: www.bitechnologies.com * Email: sales@bitechnologies.co.uk A subsidiary of TT electronics plc SMHP Series Issue June 10 MODEL SMHP 35 ELECTRICAL ITEMS SPECIFICATION Power Rating Thermal Resistance TEST CONDITIONS 35 Watt -55C to +25C Flange Temperature 2 Watt Without Heatsink 3.3C/ W Resistance Range Resistor Hotspot to Flange 0.01 - 0.09 0.1 - 9.1 10 - 51K TCR (ppm/C) 250 100 50 Tolerance 5% Any value within range and tolerance For -55C to +155C 1% & 5% 1% & 5% Operation Temperature Range -55C to +155C Maximum Operating Voltage 500V or PR Dielectric Withstanding Voltage 2000 Vdc 60 Seconds Load Life R = 1% +0.5 25C, 90 min ON, 30 min OFF, 1000 Hours Humidity R = 1% +0.5 40C, 90 - 95%RH,DC 0.1W, 1000 Hours R = 0.25% +0.5 -55C, 30 min, +155C, 30 min, 5 cycles Temperature Cycle Soldering Heat (Max.) Solderability Insulation Resistance R = 1% +0.5 350 5C, 3 seconds Minimum 90% Coverage 230 5C, 3 seconds Over 1,000 Meg Vibration Between Terminals and Tab R = 0.25% +0.5 Notes: 1. Electrically isolated metal tab. 2. Contact Factory for custom products, non-standard values and tolerances 3. Current Rating: 25A Maximum. TAPE DIMENSIONS & ORIENTATION 5.0 16.0 0.4 1.75 4.0 2.0 24.0 11.5 16.3 Reel Dimension: Outer Diameter: 300mm Inner Diameter: 100mm Width: 23.9mm Min. - 27.4mm Max. Quantity: 500 pcs/Reel Reel Orientation: Units to be orientated with Pins facing Sprocket Holes. General Note BI Technologies reserves the right to make changes in product specification without notice or liability (c) BI Technologies Limited * Glenrothes, Fife KY7 4NX, UK Telephone: +44 (0) 1592 662200 * Facsimile: +44 (0) 1592 662299 * Website: www.bitechnologies.com * Email: sales@bitechnologies.co.uk A subsidiary of TT electronics plc SMHP Series Issue June 10 MODEL SMHP 35 DERATING CURVE PULSE ENERGY DURABILITY Pulse peak power (W) % Power 100k 100 10k 1k 50 400W 100 35W 10 10n 100n 0 25 70 1 10 100 1m 10m 100m 1 10 100 155 Single event pulse width (Sec) Flange Temperature (C) FR4 THERMAL PSB CHARACTERISATION x mm Pad Dimensions (x,y mm) P90C, 35m (W) 50,40 4.5 45,35 4 40,30 3.5 35,25 3 20,10 2 Temperature Measurement y mm Notes: Characterisation carried out using 35m PCB Copper pad weights, with the temperature of 90C used as a maximum reference on the PCB. P90C, 35m (W) is power when the measurement point reaches 90C. ORDERING INFORMATION SMHP 35 500 F T13 Model Tape & Reel: 13" Reel (500 pcs per reel) Resistance Code: (No code used for Magazines) 0.1 : 0R100 50 : 500 First two digits significant, last digit denotes number of trailing zeros Tolerance: J = 5% Tolerance F = 1% Tolerance General Note BI Technologies reserves the right to make changes in product specification without notice or liability (c) BI Technologies Limited * Glenrothes, Fife KY7 4NX, UK Telephone: +44 (0) 1592 662200 * Facsimile: +44 (0) 1592 662299 * Website: www.bitechnologies.com * Email: sales@bitechnologies.co.uk A subsidiary of TT electronics plc SMHP Series Issue June 10