LRF3W Datasheet, PDF (1/3 Pages) Welwyn Components Limited – Low Value 3W Chip Resistors

Low Value 3W
Chip Resistors
LRF3W Series
• 3 Watts @ 70°C
• Resistance range from 0.003 to 0.1Ω
• Tolerances to ±1%
Welwyn Components
Electrical Data
Characteristic
Power dissipation @70°C
Resistance Range
Dielectric withstand
Ambient temp range
Resistance tolerance
TCR
Pad & trace area for maximum
power rating*
Physical Data
Value
3 Watts
0.003 to 0.100Ω
200V
-55 to +150°C
≤R005 5%, >R005 2, 5%,
≥R01 1, 2, 5%
±100ppm/°C
300mm²
Power Derating Curve
100
80
60
40
20
0
25°
70°
Temperature in °C
150°
Top
0.51 ± 0.13mm
Bottom
(Board Side)
0.81 ± 0.13mm
Recommended
Solder Pad Layout
6.35 ± 0.13mm
3.18 ± 0.13mm
Weight 0.065g typ.
Plating
wrap-around
0.94 mm max
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
Issue D · 07.06