CPW, CPWN
www.vishay.com
Vishay Dale
Wirewound Resistors, Commercial Power, Axial Lead
FEATURES
• High power to size ratio
• Ceramic cases are available with circuit board
stand-offs (designated with a -3 model ending)
• Superior surge capability
• Complete welded construction
• Available in non-inductive styles with Aryton-
Perry winding (CPWN in lieu of CPW, maximum
resistance is one-half CPW range)
• Special inorganic potting compound and
ceramic case provide high thermal conductivity
in a fireproof package
• Material categorization:
for definitions of compliance please see
www.vishay.com/doc?99912
Available
Available
Available
Available
Note
*
This datasheet provides information about parts that are RoHS-compliant and / or parts that are non-RoHS-compliant. For example, parts
with lead (Pb) terminations are not RoHS-compliant. Please see the information / tables in this datasheet for details.
STANDARD ELECTRICAL SPECIFICATIONS
GLOBAL
MODEL
CPW02
CPW02...3
CPW03
CPW03...3
CPW05
CPW05...3
CPW07
CPW07...3
CPW10
CPW10...3
CPW15
CPW15...3
CPW20
CPW20...3
HISTORICAL
MODEL
CPW-2
CPW-2-3
CPW-3
CPW-3-3
CPW-5
CPW-5-3
CPW-7
CPW-7-3
CPW-10
CPW-10-3
CPW-15
CPW-15-3
CPW-20
CPW-20-3
POWER RATING
P
40 °C
RESISTANCE RANGE
W
Ω
2
0.1 to 7K
2
0.1 to 7K
3
0.1 to 7.5K
3
0.1 to 7.5K
5
0.1 to 8.5K
5
0.1 to 8.5K
7
0.1 to 18K
7
0.1 to 18K
10
0.12 to 30K
10
0.12 to 30K
15
0.12 to 30K
15
0.12 to 30K
20
0.18 to 45K
20
0.18 to 45K
TOLERANCE
±%
1, 2, 3, 5
1, 2, 3, 5
1, 2, 3, 5
1, 2, 3, 5
1, 2, 3, 5
1, 2, 3, 5
1, 2, 3, 5
1, 2, 3, 5
1, 2, 3, 5
1, 2, 3, 5
1, 2, 3, 5
1, 2, 3, 5
1, 2, 3, 5
1, 2, 3, 5
WEIGHT (typical)
g
2.0
2.2
3.4
3.6
4.8
5.0
6.8
7.0
9.5
9.9
16.8
17.4
22.8
23.6
TECHNICAL SPECIFICATIONS
PARAMETER
UNIT
Temperature Coefficient
ppm/°C
Short Time Overload
-
Maximum Working Voltage
V
Operating Temperature Range
°C
Terminal Strength
lb
Dielectric Withstanding Voltage
V
AC
CPW RESISTOR CHARACTERISTICS
± 30 for 10
Ω
and above; ± 50 for 1.0
Ω
to 9.9
Ω;
± 90 for 0.5
Ω
to 0.99
Ω
5 x rated power for 5 s
(P x
R)
1/2
-65 to +275
10 minimum
1000
GLOBAL PART NUMBER INFORMATION
Global Part Numbering example: CPW0515R00JB313
C
P
W
0
5
VALUE
1
5
R
0
0
J
B
3
1
3
SPECIAL
(Dash Number)
(up to 3 digits)
From
1 to 999
as applicable
GLOBAL MODEL
(See Standard Electrical
Specifications Global
Model column for
options)
TOLERANCE
D
= ± 0.5 %
F
= ± 1.0 %
G
= ± 2.0 %
H
= ± 3.0 %
J
= ± 5.0 %
K
= ± 10.0 %
15
Ω
RESISTANCE VALUE
PACKAGING
E14
= Lead (Pb)-free bulk
E31
= Lead (Pb)-free four layer bulk
E01
= Lead (Pb)-free skin pack
B14
= Tin/lead bulk
B31
= Tin/lead four layer bulk
J01
= Tin/lead skin pack
5%
TOLERANCE CODE
R
= Decimal
K
= Thousand
R1500
= 0.15
Ω
1K500
= 1500
Ω
Historical Part Numbering example: CPW-5-3 15
Ω
5 % B31
CPW-5-3
HISTORICAL MODEL
Revision: 22-Dec-15
B31
PACKAGING
Document Number: 30216
1
For technical questions, contact:
ww2aresistors@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT
www.vishay.com/doc?91000
CPW, CPWN
www.vishay.com
DIMENSIONS
in inches [millimeters]
CPWxx
1.0 [25.4]
min.
A
E
B
C
Vishay Dale
CPWxx...3
1.0 [25.4]
min.
0.125
[3.18]
typical
A
E
D
C
B
GLOBAL
MODEL
CPW02
CPW02...3
CPW03
CPW03...3
CPW05
CPW05...3
CPW07
CPW07...3
CPW10
CPW10...3
CPW15
CPW15...3
CPW20
CPW20...3
DIMENSIONS
in inches [millimeters]
A
(1)
± 0.031 [0.794]
0.688 [17.46]
0.688 [17.46]
0.875 [22.22]
0.875 [22.22]
0.875 [22.22]
0.875 [22.22]
1.391 [35.32]
1.391 [35.32]
1.875 [47.62]
1.875 [47.62]
1.875 [47.62]
1.875 [47.62]
2.500 [63.50]
2.500 [63.50]
B
± 0.031 [0.794]
0.250 [6.35]
0.250 [6.35]
0.313 [7.94]
0.313 [7.94]
0.375 [9.52]
0.375 [9.52]
0.375 [9.52]
0.375 [9.52]
0.375 [9.52]
0.375 [9.52]
0.500 [12.70]
0.500 [12.70]
0.500 [12.70]
0.500 [12.70]
C
± 0.031 [0.794]
0.250 [6.35]
0.250 [6.35]
0.313 [7.94]
0.313 [7.94]
0.344 [8.73]
0.344 [8.73]
0.344 [8.73]
0.344 [8.73]
0.344 [8.73]
0.344 [8.73]
0.500 [12.70]
0.500 [12.70]
0.500 [12.70]
0.500 [12.70]
D
± 0.031 [0.794]
-
0.313 [7.94]
-
0.375 [9.52]
-
0.406 [10.32]
-
0.469 [11.91]
-
0.469 [11.91]
-
0.625 [15.87]
-
0.625 [15.87]
E
± 0.001 [0.025]
0.032 [0.813]
0.032 [0.813]
0.032 [0.813]
0.032 [0.813]
0.032 [0.813]
0.032 [0.813]
0.032 [0.813]
0.032 [0.813]
0.032 [0.813]
0.032 [0.813]
0.032 [0.813]
0.032 [0.813]
0.032 [0.813]
0.032 [0.813]
Note
(1)
Potting compound may extend outside of ceramic case up to 0.060 [1.52] maximum per side.
MATERIAL SPECIFICATIONS
Element:
copper-nickel alloy or nickel-chrome alloy,
depending on resistance value
Core:
ceramic
End Caps:
stainless steel
Body:
steatite ceramic case with inorganic potting
compound
Terminals:
tinned copperweld
®
Part Marking:
DALE, model, wattage, value, tolerance, date
code
DERATING
RATED POWER IN %
120
100
80
60
40
20
0
- 65 - 25
25
75
125
175
225
275
40
AMBIENT TEMPERATURE IN °C
PERFORMANCE
TEST
Thermal Shock
Short Time Overload
Dielectric Withstanding
Low Temperature Storage
Bias Humidity
Load Life
Terminal Strength
Resistance to Solder Heat
CONDITIONS OF TEST
-55 °C to +275 °C, 5 cycles, 30 min dwell time
5 x rated power for 5 s
1000 V
RMS
for 1 min
-65 °C, full rated working voltage for 45 min
75 °C, 90 % to 100 % RH, 240 h
1000 h at rated power, +40 °C, 1.5 h “ON”, 0.5 h “OFF”
5 s to 10 s 10 pound pull test, torsion test - 3 alternating directions, 360° each
Terminal immersed 3.5 s in molten solder at 1/8" to 3/16" from body
TEST LIMITS
(EIA RS-344)
± (2.0 % + 0.05
Ω) ΔR
± (2.0 % + 0.05
Ω) ΔR
± (0.1 % + 0.05
Ω) ΔR
± (2.0 % + 0.05
Ω) ΔR
± (2.0 % + 0.05
Ω) ΔR
± (3.0 % + 0.05
Ω) ΔR
± (1.0 % + 0.05
Ω) ΔR
± (1.0 % + 0.05
Ω) ΔR
Revision: 22-Dec-15
Document Number: 30216
2
For technical questions, contact:
ww2aresistors@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT
www.vishay.com/doc?91000
Legal Disclaimer Notice
www.vishay.com
Vishay
Disclaimer
ALL PRODUCT, PRODUCT SPECIFICATIONS AND DATA ARE SUBJECT TO CHANGE WITHOUT NOTICE TO IMPROVE
RELIABILITY, FUNCTION OR DESIGN OR OTHERWISE.
Vishay Intertechnology, Inc., its affiliates, agents, and employees, and all persons acting on its or their behalf (collectively,
“Vishay”), disclaim any and all liability for any errors, inaccuracies or incompleteness contained in any datasheet or in any other
disclosure relating to any product.
Vishay makes no warranty, representation or guarantee regarding the suitability of the products for any particular purpose or
the continuing production of any product. To the maximum extent permitted by applicable law, Vishay disclaims (i) any and all
liability arising out of the application or use of any product, (ii) any and all liability, including without limitation special,
consequential or incidental damages, and (iii) any and all implied warranties, including warranties of fitness for particular
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Statements regarding the suitability of products for certain types of applications are based on Vishay’s knowledge of typical
requirements that are often placed on Vishay products in generic applications. Such statements are not binding statements
about the suitability of products for a particular application. It is the customer’s responsibility to validate that a particular
product with the properties described in the product specification is suitable for use in a particular application. Parameters
provided in datasheets and/or specifications may vary in different applications and performance may vary over time. All
operating parameters, including typical parameters, must be validated for each customer application by the customer’s
technical experts. Product specifications do not expand or otherwise modify Vishay’s terms and conditions of purchase,
including but not limited to the warranty expressed therein.
Except as expressly indicated in writing, Vishay products are not designed for use in medical, life-saving, or life-sustaining
applications or for any other application in which the failure of the Vishay product could result in personal injury or death.
Customers using or selling Vishay products not expressly indicated for use in such applications do so at their own risk. Please
contact authorized Vishay personnel to obtain written terms and conditions regarding products designed for such applications.
No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this document or by
any conduct of Vishay. Product names and markings noted herein may be trademarks of their respective owners.
Material Category Policy
Vishay Intertechnology, Inc. hereby certifies that all its products that are identified as RoHS-Compliant fulfill the
definitions and restrictions defined under Directive 2011/65/EU of The European Parliament and of the Council
of June 8, 2011 on the restriction of the use of certain hazardous substances in electrical and electronic equipment
(EEE) - recast, unless otherwise specified as non-compliant.
Please note that some Vishay documentation may still make reference to RoHS Directive 2002/95/EC. We confirm that
all the products identified as being compliant to Directive 2002/95/EC conform to Directive 2011/65/EU.
Vishay Intertechnology, Inc. hereby certifies that all its products that are identified as Halogen-Free follow Halogen-Free
requirements as per JEDEC JS709A standards. Please note that some Vishay documentation may still make reference
to the IEC 61249-2-21 definition. We confirm that all the products identified as being compliant to IEC 61249-2-21
conform to JEDEC JS709A standards.
Revision: 02-Oct-12
1
Document Number: 91000
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