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Chip Resistors
LRF3W Series
European (Welwyn) Part Number: R005 G W
LRF3W-R02FW (20 milliohms ±1%, Pb-free)
3W
Low Value 3W
Chip Resistors
LRF3W Series
Ordering Procedure
This type has two valid part tolerance and
Specify product reference, value, numbers: packing as shown in this example of LRF3W 5m ?
Type LRF3W
Welwyn Components
2% on a reel of 1800 pieces:
Resistance value
L
(IEC62 code) R
F
3
W
-
R
0
2
F
W
Tolerance
1
2
3
4
Type
Value
LRF3W E24 = 3/4
characters
R = ohms
(IEC62 code)
F 1%
G 2%
J 5%
Packing
1 2
3
Tolerance
F = ±1%
G = ±2%
J = ±5%
4
Termination & Packing
W Pb-free, standard packing
PB SnPb finish, standard packing
Standard packing is tape & reel, 1800/reel
W
Tape
LRF3W
1800/reel
Standard
USA (IRC) Part Number: LRC-LRF3WLF-01-R020-F (20 milliohms ±1%, Pb-free)
L
R
C
-
L
R
F
3
W
L
F
-
0
1
-
R
0
2
0
-
F
1
2
3
4
5
6
1
Family
2
Model
3
Termination
4
TCR
5
Value
6
Tolerance
LRC
LRF3W Omit for SnPb 01 = ±100ppm/°C 4 characters
LF = Pb-free R = ohms
F = ±1%
G = ±2%
J = ±5%
Electrical Data
LRF3W
Power rating @70°C
Resistance range 1
Resistance tolerance
TCR
Dielectric withstand
Ambient temperature range
Values
Pad / trace area 3
watts
ohms
%
ppm/°C
volts
°C
mm 2
3
R003 to R10
<R004: 5, ≥R004: 1, 2, 5
<R004: ±550 , ≥R004: ±100
200
-55 to +150
E24 preferred 2
500
All information is subject to TT electronics’ own data and is considered accurate at time of going to print.
Note 1: Contact factory for values outside this range. Note 2: Many values = N x R001 and N x R005 up to N=10 are also available. Note 3:
Recommended minimum pad & adjacent trace area for each termination for rated dissipation on FR4 PCB
General Note
TT electronics reserves the right to make changes in product specification without notice or liability.
www.bitechnologies.com www.irctt.com www.welwyn-tt.com
? Welwyn Components Limited Bedlington, Northumberland NE22 7AA, UK
? +44 (0) plc
Telephone: electronics 1670 822181 · Facsimile: +44 (0) 1670 829465 · Email: info@welwyn-tt.com · Website: www.welwyn-tt.com 04.10
86
2.14
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