Four-Terminal Current-Sensing
Wirewound Resistor
4LPW Series
TC = ±40ppm/°C
3 was to 15 was
0.005 ohm to 1.0 ohm
±1%, ±2, ±3, ±5, ±10% tolerance
Flameproof construcon
General Note
IRC reserves the right to make changes in product specification without notice or liability.
All information is subject to IRC’s own data and is considered accurate at time of going to print. A subsidiary of
TT electronics plc
• 4222 South Staples Street • Corpus Christi Texas 78411 USA
Wire and Film Technologies Division
Telephone: 361 992 7900 • Facsimile: 361 992 3377 • Website: www.irctt.com
4LPW Series
IRC
Type
Power @ 25°C
(watts)
Max. Current
(amps)
Resistance Range
(ohms)
4LPW-3
4LPW-5
4LPW-7
4LPW-10
4LPW-15
Dimensions (Inches (mm))
IRC
Type
L
±.063 (1.6)
W
±.03 (.8)
H
±.03 (.8)
S
±.062 (1.6)
D
Diameter
E
±.03 (.8)
4LPW-3
4LPW-5
4LPW-7
4LPW-10
4LPW-15
Type
4LPW
L
D
1.50 ± .062
(38.1 ± 1.6)
S
D
1.0 (25.4)
Min.
1/8” Max.
W
H
Type
4LPW-A
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4LPW Series Issue October 2008 Sheet 1 of 2
“Current”
Leads
“Sense” Leads
All welded terminations,
ceramic reproof housing
Resistors
All Pb-free parts comply with EU Direcve 2011/65/EU (RoHS2)All Pb-free parts comply with EU Direcve 2011/65/EU (RoHS2)
09.16
General Note
TT Electronics reserves the right to make changes in product specication without notice or liability.
All information is subject to TT Electronics’ own data and is considered accurate at time of going to print.
© TT Electronics plc
www.ttelectronicsresistors.com
BI Technologies IRC Welwyn
Four-Terminal Current-Sensing
Wirewound Resistor
4LPW Series
• 4222 South Staples Street • Corpus Christi Texas 78411 USA
Wire and Film Technologies Division
Telephone: 361 992 7900 • Facsimile: 361 992 3377 • Website: www.irctt.com
Sample Part No.
IRC Type
4LPW
Power
3 = 3W, 5 = 5W, 7 = 7W, 10 = 10W, 15 = 15W
Resistance Range
Expressed in ohms
(Standard EIA/MIL values)
Tolerance
RoHS Indicator
F = ±1%, G = ±2%, H = ±3%, J = ±5%, K = ±10%
LF indicates RoHS compliance / Omit this code for SnPb finish
Ordering Data
F 010R 51 WPL4 LF
Four-Terminal Current-Sensing
Wirewound Resistor
Temperature Rise Chart Power Derating Curve
250
200
150
100
50
0
0 20 40 60 80 100 120
Percent Rated Load
Hot Spot Temperature (°C)
4LPW-3
4LPW-5
4LPW-7
4LPW-15
4LPW-10
100
80
60
40
20
00 50 100 150 200 250
Ambient Temperature (°C)
Percent Rated Load
4LPW-3, 5, 7, 10
4LPW-15
Max. Recommended
Ambient Operating
Temperature 150°C
4LPW Series Issue October 2008 Sheet 2 of 2
09.16
General Note
TT Electronics reserves the right to make changes in product specication without notice or liability.
All information is subject to TT Electronics’ own data and is considered accurate at time of going to print.
© TT Electronics plc
www.ttelectronicsresistors.com
BI Technologies IRC Welwyn
Mouser Electronics
Authorized Distributor
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