CPR
Vishay Dale
Wirewound Resistors, Commercial Power, Radial Terminals
FEATURES
Direct mounting on printed circuit board
Circuit board lock-in mounting tabs
High performance for low cost
Meets or exceeds requirements of EIA
Standard RS-344
• Special inorganic potting compound and
ceramic case provide high thermal conductivity
in a fireproof package
• Compliant to RoHS Directive 2002/95/EC
•
•
•
•
STANDARD ELECTRICAL SPECIFICATIONS
GLOBAL
MODEL
CPR03
CPR05
CPR07
CPR10
CPR15
CPR20
HISTORICAL
MODEL
CPR-3
CPR-5
CPR-7
CPR-10
CPR-15
CPR-20
POWER RATING
P
40 °C
W
3
5
7
10
15
20
RESISTANCE
RANGE
0.1 to 1K
0.1 to 1K
0.1 to 1.429K
0.1 to 2K
0.1 to 2K
0.15 to 2.855K
TOLERANCE
±%
5, 10
5, 10
5, 10
5, 10
5, 10
5, 10
WEIGHT
(typical)
g
5.6
6.6
9.4
10.0
20.3
25.6
TECHNICAL SPECIFICATIONS
PARAMETER
Temperature Coefficient
Short Time Overload
Terminal Strength
Dielectric Withstanding Voltage
Maximum Working Voltage
Operating Temperature Range
UNIT
ppm/°C
-
lb
V
AC
V
°C
CPR RESISTOR CHARACTERISTICS
± 300 for 1.0
and above; ± 600 for less than 1.0
5 x rated power for 5 s
10 minimum
1000
(P x
R)
1/2
- 65 to + 275
Note
• Wirewound CPR resistors can reliably function as a fuse and as a resistor. Such components involve compromise between fusing and
resistive functions; therefore, each design should be tailored to the application to ensure optimum performance. Contact factory by using
the e-mail address at the bottom of this page for design assistance.
GLOBAL PART NUMBER INFORMATION
Global Part Numbering example: CPR0515R00JE14
C
P
R
0
5
VALUE
1
5
R
TOLERANCE
H
= ± 3.0 %
J
= ± 5.0 %
K
= ± 10.0 %
0
0
J
E
PACKAGING
1
4
SPECIAL
(Dash Number)
(up to 3 digits)
From
1 to 999
as applicable
GLOBAL MODEL
CPR03
CPR05
CPR07
CPR10
CPR15
CPR20
R
= Decimal
K
= Thousand
R1500
= 0.15
1K500
= 1500
E14
= Lead (Pb)-free bulk
E31
= Lead (Pb)-free four layer bulk
E10
= Lead (Pb)-free foam pack
B14
= Tin/lead bulk
B31
= Tin/lead four layer bulk
F10
= Tin/lead foam pack
Historical Part Numbering example: CPR-5 15
5 % B14
CPR-5
HISTORICAL MODEL
15
RESISTANCE VALUE
5%
TOLERANCE CODE
B14
PACKAGING
* Pb containing terminations are not RoHS compliant, exemptions may apply
** Please see document “Vishay Material Category Policy”:
www.vishay.com/doc?99902
Document Number: 30219
Revision: 21-Dec-10
For technical questions, contact:
ww2aresistors@vishay.com
www.vishay.com
1
CPR
Vishay Dale
Wirewound Resistors, Commercial Power,
Radial Terminals
DIMENSIONS
in inches [millimeters]
A
B
C
0.020 ± 0.005
[0.508 ± 0.127]
Material
thickness
G
F
E
Maximum
misalignment D
5°
0.180 ± 0.010
[4.57 ± 0.254]
DIMENSIONS
in inches [millimeters]
GLOBAL
MODEL
A
± 0.040
[1.02]
0.906
[23.01]
1.060
[26.92]
1.398
[35.51]
1.888
[47.96]
1.888
[47.96]
2.498
[63.45]
B
± 0.031
[0.787]
0.375
[9.53]
0.375
[9.53]
0.375
[9.53]
0.375
[9.53]
0.500
[12.70]
0.500
[12.70]
C
± 0.031
[0.787]
0.375
[9.53]
0.360
[9.14]
0.360
[9.14]
0.360
[9.14]
0.500
[12.70]
0.500
[12.70]
D
+ 0.080 [2.03]
- 0.040 [1.02]
0.394
[10.01]
0.394
[10.01]
0.984
[24.99]
0.984
[24.99]
1.180
[29.97]
1.180
[29.97]
E
± 0.012
[0.305]
0.287
[7.29]
0.287
[7.29]
0.287
[7.29]
0.287
[7.29]
0.394
[10.01]
0.394
[10.01]
F
± 0.008
[0.203]
0.055
[1.40]
0.055
[1.40]
0.055
[1.40]
0.055
[1.40]
0.106
[2.69]
0.106
[2.69]
G
± 0.060
[1.52]
0.500
[12.70]
0.590
[14.99]
0.886
[22.50]
1.380
[35.05]
1.280
[32.51]
1.870
[47.50]
CPR03
CPR05
CPR07
CPR10
CPR15
CPR20
MATERIAL SPECIFICATIONS
Element:
Copper-nickel alloy or nickel-chrome alloy,
depending on resistance value
Core:
Woven fiberglass
Body:
Steatite ceramic case with inorganic potting
compound
Terminals:
100 % tin)
Tin/lead plated CRS (Lead (Pb)-free will be
DALE, model, wattage, value, tolerance,
DERATING
RATED POWER IN %
120
100
80
60
40
20
0
- 55
Part Marking:
date code
- 25
25
40
75
125
175
275
225
AMBIENT TEMPERATURE IN °C
PERFORMANCE
TEST
Thermal Shock
Short Time Overload
Dielectric Withstanding Voltage
Low Temperature Operation
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”
10 pounds in axial direction for 30 s
Terminal immersed 3.5 s in molten solder at 1/8" to 3/16" from body
TEST LIMITS (EIA RS-344)
± (5.0 % + 0.05
) R
± (4.0 % + 0.05
) R
± (2.0 % + 0.05
) R
± (3.0 % + 0.05
) R
± (5.0 % + 0.05
) R
± (10.0 % + 0.05
) R
± (2.0 % + 0.05
) R
± (4.0 % + 0.05
) R
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2
For technical questions, contact:
ww2aresistors@vishay.com
Document Number: 30219
Revision: 21-Dec-10
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
purpose, non-infringement and merchantability.
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 and agree
to fully indemnify and hold Vishay and its distributors harmless from and against any and all claims, liabilities, expenses and
damages arising or resulting in connection with such use or sale, including attorneys fees, even if such claim alleges that Vishay
or its distributor was negligent regarding the design or manufacture of the part. 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.
Revision: 12-Mar-12
1
Document Number: 91000
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