SOT143 4-PIN SMT Package Welwyn Components SOT143 Series • • • • Ratio tolerances to ±0.05% Small, industry standard package Standard and custom circuits available Standard Sn/Pb and Pb-free terminations available Specifications Power Derating Curve Value Package Pow er Dissipat ion 0.25 Watt s @ 70° C Element Pow er Dissipat ion 0.1 Watt s @ 70° C 100 % Of Rated Power Characteristic ......................................................................... ......................................................................... M aximum Volt age Rat ing 100 Volt s ......................................................................... -55° C t o +125° C Operat ing Temperature Range ......................................................................... Temperature Coeff icient Absolut e To ±25ppm/° C Temperature Coeff icient Tracking ±2ppm/° C 50 10 ......................................................................... 25° 70° 125° Temperature in °C Physical Data (mm) RECOMMENDED 2.92 ± 0.1 0.1 max 1.0 ±0.1 0.56 ±0.05 1.91 ref. 1.91 BSC 4 0.43 min 0.51 max 4 1.30± 0.1 1 2 0.84 ±0.1 1.0 ref. 1.45 ref. 3 2.36 ±0.25 0.076 min 0.178 max PAD L AYOUT 3 2.21ref. 0.79 min. 1.02 min 1.19 max. 1 2 0.635 ref. 0.56 ref. General Note Welwyn Components reserves the right to make changes in product specification without notice or liability. All information is subject to Welwyn’s own data and is considered accurate at time of going to print. © Welwyn Components Limited Bedlington, Northumberland NE22 7AA, UK Telephone: +44 (0) 1670 822181 • Facsimile: +44 (0) 1670 829465 • Email: [email protected] • Website: www.welwyn-tt.com A subsidiary of TT electronics plc SOT143 Series Issue June 2006 SOT143 4-PIN SMT Package Welwyn Components Schematics 4 3 4 3 4 3 4 3 R1 R3 R2 R3 1 2 Schematic A (series) R2 R3 R1 1 R2 R3 R1 2 Schematic B (series) 1 2 Schematic C (isolated) R2 1 2 Schematic D (bussed) Schematic / Circuit Detail Circuit Details for Schematic A Circuit Details for Schematic B Schematic/Circuit Code R1 (W) R2 (W) R3 (W) Schematic/Circuit Code R1 (W) R2 (W) R3 (W) A001 500.0 50.0K 50.0K B001 10.0K 10.0K 10.0K A002 10.0K 10.0K 10.0K B002 900.0 100.0 9.0K A003 900.0 100.0 9.0K B003 1.0K 10.0K 10.0K A004 500.0 48.0K 48.0K A005 200.0 40.0K 40.0K Circuit Details for Schematic C Circuit Details for Schematic D Schematic/Circuit Code R1 (W) R2 (W) R3 (W) Schematic/Circuit Code R1 (W) R2 (W) R3 (W) C001 N/A 10.0K 10.0K D001 121.0 1.33K 1.0K C002 N/A 1.0K 1.0K D002 2.0K 1.0K 2.0K C003 N/A 9.0K 1.0K D003 50.0K 5.0K 5.0K C004 N/A 750.0 750.0 D004 5.4K 5.4K 27.5K C005 N/A 40.0K 40.0K D005 40.0K 40.0K 40.0K C006 N/A 33.0K 330.0 D006 10.0K 10.0K 20.0K C007 N/A 2.0K 2.0K D007 20.0K 20.0K 20.0K C008 N/A 10.0K 2.0K C009 N/A 10.0K 200.0 C010 N/A 2.1K 10.0K © Welwyn Components Limited Bedlington, Northumberland NE22 7AA, UK Telephone: +44 (0) 1670 822181 • Facsimile: +44 (0) 1670 829465 • Email: [email protected] • Website: www.welwyn-tt.com SOT143 Series Issue June 2006 SOT143 4-PIN SMT Package IRC Advanced Film Division Environmental Data Env i ronment al Tes t To MIL -PR F-83401 Char act er i s t i c H L i mi t Max i mum Ty pi cal Per f or mance Thermal Shock ±0.5% ±0.1% ±0.02% Pow er Condi t i oni ng ±0.5% ±0.1% ±0.03% Short Ti me Overload ±0.1% ±0.1% ±0.02% Hi gh Temperat ure Exposure ±0.2% ±0.1% ±0.05% L ow Temperat ure Operat i on ±0.1% ±0.1% ±0.03% M oi st ureResist ance ±0.4% ±0.1% ±0.03% L ife ±0.5% ±0.1% ±0.05% Resist ance to Solder Heat ±0.1% ±0.05% ±0.02% Termi nal St rengt h ±0.25% ±0.1% ±0.02% ..................................................................................................................................................... ..................................................................................................................................................... ..................................................................................................................................................... ..................................................................................................................................................... ..................................................................................................................................................... ..................................................................................................................................................... ..................................................................................................................................................... ..................................................................................................................................................... Ordering Procedure SOT143 - 01 - A 002 - F B Style Absolute TCR Code 00 = ±250ppm/°C; 01 = ±100ppm/°C 02 = ±50ppm/°C; 03 = ±25ppm/°C Schematic Code A, B, C, D Circuit Number See Schematic/Circuit Detail Tables Absolute Tolerance Code K = ±10%; J = ±5%; G = ±2%; F = ±1% D = ±0.5%; C = ±0.25%; B = ±0.1% Ratio Tolerance Code G = ±2%; F = ±1%; D = ±0.5% C = ±0.25%; B = ±0.1%; A = ±0.05% Finish Blank = pb-free PB= SnPb © Welwyn Components Limited Bedlington, Northumberland NE22 7AA, UK For additional information or to discuss your specific requirements, please contact our Applications Team Telephone: +44 (0) 1670 822181 • Facsimile: +44 (0) 1670 829465 • Email: [email protected] • Website: www.welwyn-tt.com SOT143 Series Issue June 2006