Low Resistance Stand-up
Resistors
Low Resistance Stand-Up
OBSOLETE
Power Wirewound Resistor
PWRL Series
•
3, 5, 7, and 10 watts
3, 5, 7, and 10 watts
0.01Ω to 0.18Ω range
0.01Ω to 0.18Ω range
Power Wirewound Resistor
Low Resistance Stand-Up
Power Wirewound Resistor
PWRL Series
•
3, 5, 7 and 10 watts
PWRL Series
PWRL Series
•
0R01 ohm to 0R18 ohm range
Radial leads for PC
3, 5, 7, and 10 watts
•
3, 5, 7, and 10 watts
mount
0.01Ω to 0.18Ω range
0.01Ω to 0.18Ω range
•
TC’s from 50 ppm/°C to +500 ppm/°C
Radial leads for PC mount
Radial
dependent)
(range
leads for PC mount
TC’s from 50 ppm/°C to +500 ppm/°C (range dependant)
TC’s from 50 ppm/°C to +500 ppm/°C (range dependant)
PWRL Series
inorganic construction
Flameproof
•
•
•
•
•
•
•
•
Welwyn Components
Fireproof high
Fireproof high
temperature ceramic
temperature ceramic
case with stand-off
case with stand-off
Fireproof high
Fireproof high
temperature ceramic
temperature ceramic
case with stand-off
case with stand-off
Inorganic
Inorganic
fireproof
fireproof
encapsulant
encapsulant
All welded termination
All welded termination
Specifications
Electrical Data
Inorganic
All Pb-free parts comply with EU Directive 2011/65/EU amended by (EU) 2015/863 (RoHS3)
Inorganic
Radial leads for PC mount
All Pb-free parts comply with
fireproof
EU Directive 2011/65/EU (RoHS2)
Radial leads for PC mount
fireproof
encapsulant
TC’s from 50 ppm/°C to +500 ppm/°C (range dependant)
encapsulant
TC’s from 50 ppm/°C to +500 ppm/°C (range dependant)
All welded termination
All welded termination
PWRL
watts
ohms
%
- Power Rating: 3, 5, 7, and 10 watts
-
Power rating
Power Rating: 3, 5, 7, and 10 watts
- Resistance Range: 0.01Ω to 0.18Ω
-
Resistance range
Resistance Range: 0.01Ω to 0.18Ω
-Tolerance: ±1%, ±2%, ±3%, ±5%, and ±10%
-Tolerance: ±1%, ±2%, ±3%, ±5%, and ±10%
Tolerance
- Flameproof inorganic construction
3, 5, 7 and 10
- Flameproof inorganic construction
- EIA RS-344, insulated fixed wirewound resistors
- EIA RS-344, insulated fixed wirewound resistors
0R01 to 0R18
±1, ±2, ±3, ±5 and ±10
Physical Data
Dimensions (mm)
Type
PWRL-3
PWRL-5
PWRL-7
PWRL-10
A
12.0±0.8
12.7±0.8
12.7±0.8
16.0±0.81
Physical Data
A
A
B
B
B
8.1±0.8
8.8±0.8
8.8±0.8
C
25.4±0.8
25.4±0.8
38.1±0.81
D
5.08±1.6
5.08±1.6
5.08±1.6
7.4±1.6
E
4.44±1.6
4.44±1.6
4.44±1.6
LD
1.02±0.05
1.02±0.05
1.02±0.05
4.318
±1.575
A
B
C
2.032
±0.813
C
C
LD
D
E
0.080
13.2±0.81 35.3±0.81
0.080
±0.032
±0.032
Meniscus
Meniscus
permitted to
permitted to
6.4±1.6
of feet
1.02±0.05
bottom of feet
bottom
LD
LD
Power Derating Curve
0.170
0.170
±0.062
±0.062
Hot Spot Temperature Rise at 25°C
E
E
D
D
Dimensions (Inches and (mm))
Dimensions (Inches and (mm))
Type
Type
PWRL-3
PWRL-3
PWRL-5
PWRL-5
PWRL-7
PWRL-7
PWRL-10
PWRL-10
A
A
0.475 ±0.030
0.475 ±0.030
(12.0 ±0.8)
(12.0 ±0.8)
0.500 ±0.030
0.500 ±0.030
(12.7 ±0.8)
(12.7 ±0.8)
0.500 ±0.030
0.500 ±0.030
(12.7 ±0.8)
(12.7 ±0.8)
0.630 ±0.032
0.630 ±0.032
(16.0 ±0.81)
(16.0 ±0.81)
B
B
0.320 ±0.030
0.320 ±0.030
(8.1 ±0.8)
(8.1 ±0.8)
0.350 ±0.030
0.350 ±0.030
(8.8 ±0.8)
(8.8 ±0.8)
0.350 ±0.030
0.350 ±0.030
(8.8 ±0.8)
(8.8 ±0.8)
0.510 ±0.032
0.510 ±0.032
(13.2 ±0.81)
(13.2 ±0.81)
C
C
1.00 ±0.030
1.00 ±0.030
(25.4 ±0.8)
(25.4 ±0.8)
1.00 ±0.030
1.00 ±0.030
(25.4 ±0.8)
(25.4 ±0.8)
1.50 ±0.032
1.50 ±0.032
(38.1 ±0.81)
(38.1 ±0.81)
1.39 ±0.032
1.39 ±0.032
(35.3 ±0.81)
(35.3 ±0.81)
D
D
0.200 ±0.062
0.200 ±0.062
(5.08 ±1.6)
(5.08 ±1.6)
0.200 ±0.062
0.200 ±0.062
(5.08 ±1.6)
(5.08 ±1.6)
0.200 ±0.062
0.200 ±0.062
(5.08 ±1.6)
(5.08 ±1.6)
0.290 ±0.062
0.290 ±0.062
(7.4 ±1.6)
(7.4 ±1.6)
E
E
0.175 ±0.062
0.175 ±0.062
(4.44 ±1.6)
(4.44 ±1.6)
0.175 ±0.062
0.175 ±0.062
(4.44 ±1.6)
(4.44 ±1.6)
0.175 ±0.062
0.175 ±0.062
(4.44 ±1.6)
(4.44 ±1.6)
0.250 ±0.062
0.250 ±0.062
(6.4 ±1.6)
(6.4 ±1.6)
LD
LD
0.040 ±0.002
0.040 ±0.002
(1.02 ±0.05)
(1.02 ±0.05)
0.040 ±0.002
0.040 ±0.002
(1.02 ±0.05)
(1.02 ±0.05)
0.040 ±0.002
0.040 ±0.002
(1.02 ±0.05)
(1.02 ±0.05)
0.040 ±0.002
0.040 ±0.002
(1.02 ±0.05)
(1.02 ±0.05)
General Note
General Note
General
Components reserves the right to make changes in product specification without notice or liability.
General Note
to make changes in product specification without notice or liability.
Welwyn
Note
General Note
IRC reserves the right
IRC reserves
right
specification
All information is
to make changes in product
own data
without notice or liability.
without notice
of going
TT
informationthesubject
subject
right to make
considered
in product
considered accurate at time
or liability.
to print.
the
to
All information is subject to IRC’s own
Welwyn’s
changes
accurate
is
time of going to print.
TT
Electronics reserves
IRC’s
right to
and is considered
in
and
at time of going to print.
product
specification
All
Electronics reserves the
own data
make changes
accurate at
specification without notice or liability.
is
to
data and is
All information is subject to TT Electronics’ own data and is considered accurate at time of going to print.
All information is
Technologies
Wire and Film
Components
Division
•
•
4222 South Staples Street •
•
Corpus Christi Texas
7AA,
USA
to print.
© Welwyn
subject to TT Electronics’ own
·
data and is considered accurate
NE22
78411 USA
Limited
Bedlington, Northumberland
at time of going
Wire and Film Technologies Division
4222 South Staples Street Corpus
Christi Texas 78411
UK
Telephone: 361 992 7900 •
•
Facsimile: 361 992 3377 •
•
Website: www.irctt.com
829465 · Email: info@welwyn-tt.com · Website: www.welwyn-tt.com
Telephone:
992
(0)
Facsimile:
361 992
Facsimile: +44 (0) 1670
Telephone:
361
+44
7900
1670 822181 ·
3377
Website: www.irctt.com
BI Technologies IRC
A
Welwyn
BI Technologies IRC Welwyn
subsidiary of
A subsidiary of
TT electronics plc
of
A subsidiary
TT electronics plc
TT electronics plc
www.ttelectronics.com/resistors
www.ttelectronicsresistors.com
PWRL Series Issue November 2008
B
Sheet
1 of 2
Issue · 03.02
PWRL Series
Issue November
2008
Sheet
1 of 2
© TT Electronics plc
© TT Electronics plc
06.18
09.16
110
Low Resistance Stand-Up
Power Wirewound Resistor
Low Resistance Stand-Up
Power Wirewound Resistor
OBSOLETE
PWRL Series
Power Derating Curve
100
Hot Spot Temperature (°C)
Percent of Rated Load
80
PWRL - 7, 10
60
25
85
PWRL - 3, 5
300
Temperature Rise Chart
Hot Spot Temperature (°C)
200
PWRL - 7, 10
PWRL - 3, 5
100
40
20
0
0
50
0
0
20
40
60
80
100
120
Rated Power (%)
100
150
200
Rated Power (%)
Ambient Temperature (°C)
250
Ordering Procedure
This product has two valid part numbers:
Ordering Data
IRC Type
Power
Resistance Range
Tolerance
Sample Part No.
PWRL
10 0.01 10%
European (Welwyn) Part Number: PWRL3-R01JI
(PWRL3, 10 milliohms ±5%, Pb-free)
P
W
R
1
L
3
-
R
0
2
1
J
3
I
4
4
1
2
Value
3
F* = ±1%
G = ±2%
H = ±3%
J* = ±5%
K = ±10%
* preferred
Type
Tolerance Packing & Termination Finish
I = Standard packing & Pb-free
Bulk pack
PWRL3 R = ohms
PWRL5
PWRL7
PWRL10
USA (IRC) Part Number: PWRL3R010JLF
(PWRL3, 10 milliohms ±5%, Pb-free)
P
W
R
1
1
Type
2
Value
3
L
3
R
0
2
1
0
J
3
L
4
4
F
Tolerance Packing & Termination Finish
PWRL3 R = ohms F* = ±1%
Omit for SnPb
PWRL5
G = ±2%
LF = Pb-free
PWRL7
H = ±3%
Bulk pack
Wire and Film Technologies Division
• 4222
J* = ±5%
• Corpus Christi Texas 78411 USA
South Staples Street
PWRL10
Telephone: 361 992 7900 • Facsimile: 361 992 3377 • Website: www.irctt.com
K = ±10%
* preferred
General Note
TT Electronics reserves the right to make changes in product specification without notice or liability.
All information is subject to TT Electronics’ own data and is considered accurate at time of going to print.
PWRL Series Issue November 2008 Sheet 2 of 2
BI Technologies IRC Welwyn
www.ttelectronics.com/resistors
© TT Electronics plc
06.18
Analog electronics
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