Low Value Flat
Chip Resistor
LRC/LRF Series
Welwyn Components
•
•
•
•
•
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
Power rating at 70°C
Resistance range
Dielectric withstanding voltage
TCR
Resistance tolerance
Temperature rise at rated power
Pad and trace area for max power rating @ 70°C
2
LR2010
1.0
0R003 to 1R
200
≤R005
5%, >R005 1, 2, 5%
LR2512
1.5/2.0*
0R003 to 1R
200
watts
ohms
volts
ppm/°C
%
°C
mm
2
0.5
0R010 to 1R
200
±100 (Contact factory for value below 0.050 ohms)
40
30
80
30
90
100
*2 Watts with total solder pad and trace size of 300 mm
Physical Data
Dimensions (mm)
Size
LR1206
LR2010
LR2512
L
3.20±0.305
5.23±0.38
6.50±0.38
W
1.63±0.203
2.64±0.25
3.25±0.25
H (max)
0.8
0.8
0.8
D
0.48±0.25
0.48±0.25
0.48±0.25
D1
0.48±0.25
0.48±0.25
0.48±0.25
LR 1225
D
W
LR 1206 / 2010 / 2512
W
H
L
H
D
D
1
L
Protective Overcoat
Resistive Element
Copper Termination
Solder Plating
Nickel Barrier Layer
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
Issue E · 12.04
© 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
23
WELWYN [ WELWYN COMPONENTS LIMITED ]
