SC3 Datasheet, PDF (1/3 Pages) Welwyn Components Limited – High Power Chip Resistors

High Power
Chip Resistors
SC3 Series
• 3 Watts in a 1 Watt size package*
• Resistance range from 1 to 200
• Tolerances to ±1%
* Rated Power @ 70˚C
Welwyn Components
Electrical Data
Power Derating Curve
Characteristic
Power dissipation @70˚ C
Resistance Range
LEV
Ambient temp range
Resistance tolerance
TCR
Termination
Pad & trace area for maximum
power rating
Value
3 Watts
1.0 to 200
50V
-55 to +150˚C
1, 2, 5%
±100ppm/˚C
Leach-resistant solder-plated
copper wrap-around
300mm²
100
80
60
40
20
0
25˚
70˚
Temperature in ˚C
150˚
Physical Data
Top
0.51 ± 0.13mm
Bottom
(Board Side)
0.61 ± 0.13mm
Recommended
Solder Pad Layout
6.35 ± 0.13mm
3.18 ± 0.13mm
Plating
wrap-around
0.762
± 0.127mm
thickness
2.29
± 0.13mm
7.6mm
2mm
1mm
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: [phone] · Facsimile: [phone] · Email: [e-mail] · Website: www.welwyn-tt.com
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A subsidiary of
TT electronics plc
IIsssue AB · 031.0027