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 ma x 1.0 ±0.1 0.56 ±0.05
4
RECOMMENDED
PA D L AYOUT
1.91 ref. 1.91 BSC
3
1.45 ref.
4 3
1.0 re f.
0.43 min 0.51 ma x 0.0 76 min 0.178 ma x
2.36 ±0.25
1 2
1.30± 0.1
2.21 ref. 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.
© 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
© 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 - A 002 - F B
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
For additional information or to discuss your specific requirements, please contact our Applications Team
© 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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