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Low Value 3W Chip Resistors
www.DataSheet4U.com
Welwyn Components
LRF3W Series
• • •
3 Watts @ 70°C Resistance range from 0.003 to 0.1Ω Tolerances to ±1%
Electrical Data
Characteristic Power dissipation @70°C Resistance Range Dielectric withstand Ambient temp range Resistance tolerance TCR Pad & trace area for maximum power rating* 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 % Of Power Rating 80 60 40 20 0 25° 70° Temperature in °C 150°
Physical Data
Top Bottom (Board Side)
0.81 ± 0.13mm
Recommended Solder Pad Layout
0.51 ± 0.13mm
Plating wrap-around 6.35 ± 0.13mm
2.29 ± 0.13mm
7.6mm
2mm 1mm 0.94 mm max thickness 3.18 ± 0.13mm
Weight 0.065g typ.
LRF3W Datasheet
