LRCS Series
Marking
The LRCS0402 is not marked, the LRCS0603 is marked with 3 digits and LRCS0805 with 4 digits.
e.g. 100
m
is marked as R10 (3digit) and R100 (4digit) and 35
m
is marked as 035 (3digit) or R035 (4digit)
Mounting
Type
A
B
C
LRCS0402
LRCS0603
LRCS0805
0.6
1.0
1.0
0.4
0.7
0.8
0.50±0.2
1.00±0.2
1.30±0.2
A
B
Maximum
C
Performance Data
Load at rated power
(1000hrs cyclic load at 70°C)
De-rating from rated power at 70°C
Short term overload
(6.25 x rated power for 5s)
Dry heat
(96Hrs, no load, +155°C)
Temperature rapid change
(-55 / +150ºC, 100 cycles)
Damp heat steady state
Resistance to solder heat
(260ºC for 10s)
Low Temperature Operation
Insulation Resistance
R%
R%
R%
R%
R%
R%
R%
±1% + 0.05
See Graph
±0.5% + 0.05
±1% + 0.05 (0.25W LRCS0805 rating)
±0.5% + 0.05
±0.5% + 0.05
±0.5% + 0.05
±0.5% + 0.05
±0.5% + 0.05
>1000M
100%
Power de-rating graph
T°C
Packaging
0%
-55
70
155
The standard packing for LRCS parts is on 8mm wide paper tape wound on 178mm diameter reels.
Ordering Procedure
Type
Value (use IEC62 code)
Tolerance (use IEC62 code)
F
1%
J
5%
Packing
T10
T5
T5
Tape
Tape
Tape
0402
0603
0805
Example: LRCS0603 at 25 milliohms and 1% tolerance on reel of 5000 pieces:
LRCS0603
R 0 2 5
F T5
10,000 / reel
5,000 / reel
5,000 / reel
© 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 C . 11.06
WELWYN [ WELWYN COMPONENTS LIMITED ]
