Resistors
Make Possible
General Purpose Axial Leaded
General Purpose
Resistor
Power Wirewound
Axial Leaded
Power Wirewound Resistor
PW Axial Series
0.10Ω to 30KΩ
PW Series
2 watts to 25 watts
•
0.10Ω
to 30KΩ
±10% or ±5% tolerance
•
2
watts
to 25
watts
TC’s from 300 ppm/°C to +5500 ppm/°C
•
±10% or ±5% tolerance
Lead free, RoHS compliant construction available
•
TC’s
from 300 ppm/°C to +5500 ppm/°C
•
Lead free, RoHS compliant construction
available
Fireproof high
temperature ceramic
case- stand offs
optional
Alloy resistance
wire on fiberglass
substrate
Inorganic
fireproof
encapsulant
Automatically
clamped termination
All Pb-free parts comply with EU Directive 2011/65/EU (RoHS2)
lead assembly
Electrical Data
Type
PW-2
PW-3
PW-5
PW-7
PW-10
PW-15
PW-18
PW-22
PW-25
Power Rating
@ 25°C
(watts)
2
3
5
7
10
15
18
22
25
Standard
Resistance
Range
(ohms)
0.15 to 2.4K
0.1 to 7.5K
0.1 to 8.5K
0.1 to 18K
0.18 to 30K
0.18 to 30K
0.18 to 22K
0.27 to 18K
0.27 to 18K
Standard Temperature
Coefficient
+0.06%/°C
+0.03%/°C
over R range over R range
0.15 to 0.99
0.1 to 0.99
0.1 to 0.99
0.1 to 0.99
0.18 to 0.99
0.18 to 0.99
0.18 to 0.99
0.27 to 1.3
0.27 to 1.3
1.0 to 2.4K
1.0 to 7.5K
1.0 to 8.5K
1.0 to 18K
1.0 to 30K
1.0 to 30K
1.0 to 22K
1.5 to 12K
1.5 to 10K
Special Temperature Coefficients
+0.55%/°C
over R range
0.1 to 30
0.1 to 86
0.1 to 68
0.1 to 150
0.1 to 240
0.1 to 240
0.1 to 200
0.15 to 360
0.15 to 300
+0.45%/°C
over R range
0.24 to 130
0.1 to 270
0.1 to 300
0.15 to 680
0.24 to 1100
0.24 to 1100
0.24 to 1100
0.36 to 1800
0.36 to 1200
+0.25%/°C
over R range
1.0 to 10
0.24 to 20
0.27 to 22
1.0 to 51
1.0 to 82
1.0 to 82
1.0 to 70
1.0 to 120
1.5 to 100
Standard Configuration
0.125”
Max.
LL
L
D
H
W
Alternate Configuration
E
F
Type
PW-2
PW-3
PW-5
PW-7
PW-10
PW-15
PW-18
PW-22
PW-25
L ±0.03 (0.8)
W ±0.03 (0.8)
H ±0.03 (0.8)
D Dia. ±0.002 (0.05)
E ±0.03 (0.8)
LL min.
F (ref.)
(1.6)
(1.6)
(1.6)
(3.18)
(3.18)
(3.18)
(3.18)
(3.18)
(3.18)
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.
www.ttelectronicsresistors.com
© TT Electronics plc
07.14
General Purpose Axial Leaded
Power Wirewound Resistor
General Purpose Axial Leaded
Power Wirewound Resistor
PW Axial Series
Power Derating Curve
PW - 22, 25
PW - 15, 18
PW - 10
PW - 7
PW - 5
PW - 3
Make Possible
Temperature Rise Chart
300
Temperature Rise (°C)
250
200
150
100
50
0
100
80
25 40
85
PW - 2
Percent of Rated Load
PW - 3, 5, 7, 10
60
PW - 15, 18, 22, 25
40
20
0
0
0
20
40
60
80
100
120
50
Percent of Rated Load
100
150
200
Ambient Temperature
250
Ordering Data
part numbers:
This product has two valid
Sample Part No.
IRC Type
Resistance Value
Ordering Procedure
European (Welwyn) Part Number: PW15-12KKI
(PW15, 12 kilohms ±10%, Pb-free)
P
W
1
1
Type
1
5
2
2
Configuration
-
1
2
3
K
K
4
3
Value
I
5
4
J = ±5%
K = ±10%
5
I = Standard packing & Pb-free
Bulk pack
PW15
1202
K
LF
(standard EIA values)
Tolerance
J = 5%, K = 10%
RoHS Indicator
Tolerance Packing & Termination Finish
LF indicated RoHS compliance
PW2, PW3, Omit for Standard R = ohms
K = kilohms
A = Alternate
PW5, PW7,
PW10, PW15,
PW18, PW22,
PW25
USA (IRC) Part Number: PW151202KLF
(PW15, 12 kilohms ±10%, Pb-free)
P
W
1
1
Type
1
5
2
2
Configuration
1
2
3
0
2
K
4
3
Value
L
5
4
5
Omit for SnPb
LF = Pb-free
Bulk pack
PW Series Issue December 2008 Sheet 3 of 3
F
Tolerance Packing & Termination Finish
J = ±5%
PW2, PW3, Omit for Standard 3 digits + multiplier
A = Alternate
R = ohms for values K = ±10%
PW5, PW7,
<100 ohms
PW10, PW15,
Wire and Film Technologies Division
• 4222 South Staples Street • Corpus Christi Texas 78411 USA
Telephone: 361 992
PW18, PW22,
3377 • Website: www.irctt.com
7900 • Facsimile: 361 992
PW25
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.
www.ttelectronicsresistors.com
© TT Electronics plc
07.14
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