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| SOT143 4-PIN SMT Package SOT143 Series * * * * Ratio tolerances to 0.05% Small, industry standard package Standard and custom circuits available Standard Sn/Pb and Pb-free terminations available Welwyn Components Specifications Characteristic Package Pow er Dissipat ion Power Derating Curve Value 0.25 Watt s @ 70 C 0.1 Watt s @ 70 C 100 Volt s 100 ......................................................................... ......................................................................... ......................................................................... ......................................................................... ......................................................................... Temperature Coeff icient Tracking 2ppm/ C Temperature Coeff icient Absolut e To 25ppm/ C Operat ing Temperature Range -55 C t o +125 C M aximum Volt age Rat ing Element Pow er Dissipat ion % Of Rated Power 50 10 25 70 125 Temperature in C Physical Data (mm) 2.92 0.1 0.1 max 1.0 0.1 0.56 0.05 4 RECOMMENDED PAD L AYOUT 1.91 ref. 1.91 BSC 3 1.45 ref. 4 3 1.0 ref. 0.43 min 0.51 max 0.076 min 0.178 max 2.36 0.25 1 2 1.30 0.1 2.21ref. 0.79 min. 1.02 min 1.19 max. 1 2 0.84 0.1 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. (c) Welwyn Components Limited Bedlington, Northumberland NE22 7AA, UK A subsidiary of TT electronics plc SOT143 Series Issue June 2006 Telephone: +44 (0) 1670 822181 * Facsimile: +44 (0) 1670 829465 * Email: info@welwyn-tt.com * Website: www.welwyn-tt.com SOT143 4-PIN SMT Package Schematics 4 R1 Welwyn Components 3 4 3 4 3 4 3 R3 R2 R3 R2 R1 R3 R2 R3 R1 R2 Schematic A (series) 1 2 Schematic B (series) 1 2 Schematic C (isolated) 1 2 Schematic D (bussed) 1 2 Schematic / Circuit Detail Circuit Details for Schematic A Schematic/Circuit Code Circuit Details for Schematic B R3 (W) 50.0K 10.0K 9.0K 48.0K 40.0K Schematic/Circuit Code R1 (W) 500.0 10.0K 900.0 500.0 200.0 R2 (W) 50.0K 10.0K 100.0 48.0K 40.0K R1 (W) 10.0K 900.0 1.0K R2 (W) 10.0K 100.0 10.0K R3 (W) 10.0K 9.0K 10.0K A001 A002 A003 A004 A005 B001 B002 B003 Circuit Details for Schematic C Schematic/Circuit Code Circuit Details for Schematic D R3 (W) 10.0K 1.0K 1.0K 750.0 40.0K 330.0 2.0K 2.0K 200.0 10.0K Schematic/Circuit Code R1 (W) N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A R2 (W) 10.0K 1.0K 9.0K 750.0 40.0K 33.0K 2.0K 10.0K 10.0K 2.1K R1 (W) 121.0 2.0K 50.0K 5.4K 40.0K 10.0K 20.0K R2 (W) 1.33K 1.0K 5.0K 5.4K 40.0K 10.0K 20.0K R3 (W) 1.0K 2.0K 5.0K 27.5K 40.0K 20.0K 20.0K C001 C002 C003 C004 C005 C006 C007 C008 C009 C010 D001 D002 D003 D004 D005 D006 D007 (c) Welwyn Components Limited Bedlington, Northumberland NE22 7AA, UK Telephone: +44 (0) 1670 822181 * Facsimile: +44 (0) 1670 829465 * Email: info@welwyn-tt.com * Website: www.welwyn-tt.com SOT143 Series Issue June 2006 SOT143 4-PIN SMT Package Environmental Data Env i ronment al Tes t To MIL -PR F-83401 Thermal Shock Char act er i s t i c H L i mi t 0.5% 0.5% 0.1% 0.2% IRC Advanced Film Division Max i mum 0.1% 0.1% 0.1% 0.1% 0.1% 0.1% 0.1% Ty pi cal Per f or mance 0.02% 0.03% 0.02% 0.05% 0.03% 0.03% 0.05% 0.02% ..................................................................................................................................................... ..................................................................................................................................................... ..................................................................................................................................................... ..................................................................................................................................................... ..................................................................................................................................................... ..................................................................................................................................................... ..................................................................................................................................................... ..................................................................................................................................................... Termi nal St rengt h 0.25% 0.1% 0.02% Resist ance to Solder Heat 0.1% 0.05% L ife 0.5% M oi st ureResist ance 0.4% L ow Temperat ure Operat i on 0.1% Hi gh Temperat ure Exposure Short Ti me Overload Pow er Condi t i oni ng Ordering Procedure Style SOT143-01-A002-FB AbsoluteTCRCode 00 = 250ppm/C; 01 = 100ppm/C 02 = 50ppm/C; 03 = 25ppm/C SchematicCode A, B, C, D CircuitNumber See Schematic/Circuit Detail Tables AbsoluteToleranceCode K = 10%; J = 5%; G = 2%; F = 1% D = 0.5%; C = 0.25%; B = 0.1% RatioToleranceCode G = 2%; F = 1%; D = 0.5% C = 0.25%; B = 0.1%; A = 0.05% Finish Blank = pb-free PB= SnPb For additional information or to discuss your specific requirements, please contact our Applications Team (c) Welwyn Components Limited Bedlington, Northumberland NE22 7AA, UK Telephone: +44 (0) 1670 822181 * Facsimile: +44 (0) 1670 829465 * Email: info@welwyn-tt.com * Website: www.welwyn-tt.com SOT143 Series Issue June 2006 |
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