Low Resistance Stand-up
Resistors
Power Wirewound Resistor
Low Resistance Stand-Up
Power Wirewound Resistor
PWRL Series
•
3, 5, 7 and 10 watts
PWRL Series
•
0R01 ohm to 0R18 ohm range
3, 5, 7, and 10 watts
•
Radial leads for PC mount
0.01Ω to 0.18Ω range
•
TC’s from 50 ppm/°C to +500 ppm/°C
Radial
dependent)
(range
leads for PC mount
Flameproof inorganic construction
TC’s from 50 ppm/°C to +500 ppm/°C (range dependant)
PWRL Series
•
•
3, 5, 7, and 10 watts
•
0.01Ω to 0.18Ω range
•
Radial leads for PC mount
•
TC’s from 50 ppm/°C to +500 ppm/°C (range dependant)
Welwyn Components
Fireproof high
temperature ceramic
case with stand-off
Low Resistance Stand-Up
Power Wirewound Resistor
Fireproof high
temperature ceramic
case with stand-off
Inorganic
fireproof
encapsulant
All welded termination
All Pb-free parts comply with
Inorganic
EU Directive 2011/65/EU (RoHS2)
fireproof
encapsulant
Electrical Data
All welded termination
Specifications
-
Power rating
Power Rating: 3, 5, 7, and 10 watts
-
Resistance range
Resistance Range: 0.01Ω to 0.18Ω
-Tolerance: ±1%, ±2%, ±3%, ±5%, and ±10%
Tolerance
watts
ohms
%
PWRL
3, 5, 7 and 10
- Flameproof inorganic construction
- 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
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
LD
D
E
13.2±0.81 35.3±0.81
0.080
±0.032
Meniscus
permitted to
6.4±1.6
1.02±0.05
bottom of feet
Power Derating Curve
0.170
±0.062
D
LD
Hot Spot Temperature Rise at 25°C
E
Dimensions (Inches and (mm))
Type
PWRL-3
PWRL-5
PWRL-7
PWRL-10
General Note
A
0.475 ±0.030
(12.0 ±0.8)
0.500 ±0.030
(12.7 ±0.8)
0.500 ±0.030
(12.7 ±0.8)
0.630 ±0.032
(16.0 ±0.81)
B
0.320 ±0.030
(8.1 ±0.8)
0.350 ±0.030
(8.8 ±0.8)
0.350 ±0.030
(8.8 ±0.8)
0.510 ±0.032
(13.2 ±0.81)
C
1.00 ±0.030
(25.4 ±0.8)
1.00 ±0.030
(25.4 ±0.8)
1.50 ±0.032
(38.1 ±0.81)
1.39 ±0.032
(35.3 ±0.81)
D
0.200 ±0.062
(5.08 ±1.6)
0.200 ±0.062
(5.08 ±1.6)
0.200 ±0.062
(5.08 ±1.6)
0.290 ±0.062
(7.4 ±1.6)
E
0.175 ±0.062
(4.44 ±1.6)
0.175 ±0.062
(4.44 ±1.6)
0.175 ±0.062
(4.44 ±1.6)
0.250 ±0.062
(6.4 ±1.6)
LD
0.040 ±0.002
(1.02 ±0.05)
0.040 ±0.002
(1.02 ±0.05)
0.040 ±0.002
(1.02 ±0.05)
0.040 ±0.002
(1.02 ±0.05)
General
Components reserves the right to make changes in product specification without notice or liability.
Welwyn
Note
General
Note
IRC reserves the right to make changes in product
own data
without notice or liability.
accurate at time of going to print.
All information is subject to Welwyn’s
specification
product specification
TT Electronics reserves the right to make changes in
and is considered
without notice or liability.
All information is subject to IRC’s own data and is considered accurate at time of going to print.
BI Technologies IRC
A
Welwyn
subsidiary of
TT electronics plc
of
A subsidiary
www.ttelectronicsresistors.com
Issue B · 03.02
PWRL Series
Issue November
2008 Sheet 1 of 2
TT electronics plc
All information is subject to TT Electronics’ own data and is considered accurate at time of going to print.
© Welwyn Components Limited
· Bedlington, Northumberland NE22
78411 USA
Wire and Film Technologies Division
• 4222 South Staples Street • Corpus
Christi Texas
7AA, UK
Telephone:
992
(0) 1670 822181 · Facsimile: +44 (0) 1670
Telephone:
361
+44
7900 •
Facsimile:
361 992 3377 •
Website: www.irctt.com
829465 · Email: info@welwyn-tt.com · Website: www.welwyn-tt.com
© TT Electronics plc
09.16
110
Low Resistance Stand-Up
Power Wirewound Resistor
Low Resistance Stand-Up
Power Wirewound Resistor
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.ttelectronicsresistors.com
© TT Electronics plc
09.16
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