Small Size Low Value Current Sense
Surface Mount Chip Resistors
LRCS Series
0402, 0603 and 0805 sizes (larger sizes refer to our LRF Series)
Resistance R020 (20m
)
to 1R0 (1000m )
Designed for current sensing in power electronic systems
RoHS compliant
Electrical Data
LRCS0402
Power rating @70°C
Resistance range
Isolation voltage
watts
ohms
volts
0.063
R05 to 1R0
50V
±400: R05 R10
±300: R101 R50
±200: R501 1R0
LRCS0603
0.1
R02 to 1R0
100V
±600: R02 R05
±400: R051 R10
±300: R101 R50
±200: R501 1R0
1(F), 5(J)
E24 preferred
LRCS0805
0.125: R02 to <R10
0.25: R10 to 1R0
R02 to 1R0
200V
±600: R02 R05
±400: R051 R10
±300: R101 R50
±200: R501 1R0
TCR
Resistance tolerance
Standard values
Ambient temperature range
ppm/°C
%
°C
-55 to +155
Physical Data
L
LRCS0402
LRCS0603
LRCS0805
1.00 ±0.05
1.60 ±0.10
2.00 ±0.15
W
0.50 ±0.10
0.80 ±0.10
1.25 ±0.15
T
0.32 ±0.10
0.45 ±0.10
0.55 ±0.10
D1
0.25 ±0.10
0.30 ±0.20
0.30 ±0.20
D2
0.20 ±0.10
0.30 ±0.20
0.40 ±0.25
Nom wt. (g)
0.0007
0.002
0.005
All dimensions in mm unless stated.
Construction
A resistor element is applied to an alumina substrate. The product is adjusted to
value and protected. Marking is applied to 0603 and 0805 sizes. A wraparound
conductor is applied to join the top and bottom sides. The terminations are
electroplated with a Ni barrier layer prior to plating with a Sn finish.
Solvent Resistance
The body protection and marking are resistant to all normal industrial solvents
suitable for printed circuits.
Flammability
The resistor will not burn or emit incandescent particles under any condition of
applied temperature or overload.
Solderability
95% min coverage (MIL-STD 202F / 208H, 235C 2 secs)
General Note
Welwyn Components reserves the right to make changes in product specification without notice or liability.
All information is subject to Welwyns own data and is considered accurate at time of going to print.
© Welwyn Components Limited
Bedlington Northumberland NE22 7AA, UK
A subsidiary of
TT electronics plc
Issue C . 11.06
Telephone: +44 (0) 1670 822181 Facsimile: +44 (0) 1670 829465 Email: info@welwyn-tt.com Website: www.welwyn-tt.com
WELWYN [ WELWYN COMPONENTS LIMITED ]
