MODEL SMHP SMHP Series 20W High Power Resistors TO-263 Surface Mount RoHS Compliant. FEATURES 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. Suitable for board mounting with either solder or clip. 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 mm mm E A 10.1 0.2 B 10.3 0.2 B C 4.5 0.2 D 5.0 1.0 E 2.5 0.5 D F F 2.2 0.2 L H G 2.75 0.2 K J H 0.5 0.05 G J 0.75 0.05 A C K 1.5 0.05 L 5.08 0.10 M 1.5 0.05 General Note BI Technologies reserves the right to make changes in product specification without notice or liability A subsidiary of TT electronics plc BI Technologies Limited Glenrothes, Fife KY7 4NX, UK SMHP Series Issue August 08 Telephone: +44 (0) 1592 662200 Facsimile: +44 (0) 1592 662299 Website: www.bitechnologies.com Email: sales bitechnologies.co.uk MODEL SMHP ELECTRICAL ITEMS SPECIFICATION TEST CONDITIONS 20 Watt -55C to +25C Flange Temperature Power Rating 2.25 Watt Without Heatsink Thermal Resistance 3.3C/ W Resistor Hotspot to Flange Resistance Range 0.01 - 0.09 0.1 - 9.1 10 - 220 Up to 51K also available Nominal Resistance Series E6 E12 E24 Including 2.5 and 5.0 TCR (ppm/C) 250 100 50 For -55C to +155C Tolerance 5% 1% & 5% 1% 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 Temperature Cycle R = 1% +0.5 -55C, 30 min, +155C, 30 min, 5 cycles Soldering Heat (Max.) R = 1% +0.5 250 5C, 3 seconds Solderability Minimum 90% Coverage 230 5C, 3 seconds Insulation Resistance Over 1,000 Meg Between Terminals and Tab Vibration 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 4.0 0.4 1.75 2.0 11.5 16.3 Reel Dimension: Reel Orientation: Outer Diameter: 300mm Units to be orientated with Pins facing Sprocket Holes. Inner Diameter: 100mm Width: 23.9mm Min. - 27.4mm Max. Quantity: 500 pcs/Reel General Note BI Technologies reserves the right to make changes in product specification without notice or liability A subsidiary of TT electronics plc BI Technologies Limited Glenrothes, Fife KY7 4NX, UK SMHP Series Issue August 08 Telephone: +44 (0) 1592 662200 Facsimile: +44 (0) 1592 662299 Website: www.bitechnologies.com Email: sales bitechnologies.co.uk 24.0