Low Value Flat
Chip Resistor
Welwyn Components
LRC/LRF Series
• Standard 2512, 2010 and 1206 sizes
• Resistance values down to 0.003 ohms
• Leach resistant solder-plated copper
wrap-around termination
• Low inductance - less than 0.2nH
• Standard EIA Tape - 1206 = 8mm; 2010 or
2512 = 12mm
Electrical Data
LR1206
0.5
LR2010
1.0
LR2512
1.5/2.0*
0R003 to 1R
200
Power rating at 70°C
Resistance range
watts
ohms
volts
0R010 to 1R
200
0R003 to 1R
200
Dielectric withstanding voltage
TCR
ppm/°C
%
100 (Contact factory for value below 0.050 ohms)
Resistance tolerance
≤R005 5%, >R005 1, 2, 5%
Temperature rise at rated power
Pad and trace area for max power rating @ 70°C
°C
mm2
40
30
80
30
90
100
*2 Watts with total solder pad and trace size of 300 mm2
Physical Data
Dimensions (mm)
Size
L
W
H (max)
0.8
D
D1
LR1206
LR2010
LR2512
3.20 0.305
5.23 0.38
6.50 0.38
1.63 0.203
2.64 0.25
3.25 0.25
0.48 0.25
0.48 0.25
0.48 0.25
0.48 0.25
0.48 0.25
0.48 0.25
0.8
0.8
LR 1225
LR 1206 / 2010 / 2512
D
W
W
L
H
H
D
Solder Plating
D
1
Nickel Barrier Layer
L
Protective Overcoat
Resistive Element
Copper Termination
Copper Wraparound
Termination
Alumina Substrate
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.
A subsidiary of
TT electronics plc
© 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
Issue E · 12.04
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