CW
www.vishay.com
Vishay Dale
Wirewound Resistors, Commercial Power,
Silicone Coated, Axial Lead
FEATURES
•
•
•
•
•
•
High performance for low cost
High temperature silicone coating
Complete welded construction
Excellent stability in operation
High power to size ratio
Material categorization:
for definitions of compliance please see
www.vishay.com/doc?99912
Available
DESIGN SUPPORT TOOLS
Models
Available
click logo to get started
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
Available
Available
Available
STANDARD ELECTRICAL SPECIFICATIONS
GLOBAL
MODEL
HISTORICAL
MODEL
POWER RATING
(1)
P
25 °C
W POWER RATING
(1)
P
25 °C
W
RESISTANCE RANGE TOLERANCE WEIGHT
CHARACTERISTIC U
CHARACTERISTIC V
± %
(2)
(max.) g
+250 °C
+350 °C
0.5
-
0.1 to 1.77K
5, 10
0.21
1.0
-
0.1 to 6.37K
5, 10
0.34
1.0
-
0.1 to 3.3K
5, 10
0.3
4.0
5.5
0.1 to 28.7K
5, 10
2.1
3.0
3.75
0.1 to 12K
5, 10
0.65
3.0
3.75
0.1 to 15K
5, 10
0.7
5, 10
0.9
4.0
6.0
0.1 to 10.89K
(3)
2.5
3.25
0.1 to 19.9K
5, 10
1.8
2.5
3.25
0.1 to 19.9K
5, 10
1.2
5.0
6.5
0.1 to 58.5K
5, 10
4.2
4.0
5.0
0.1 to 40.3K
5, 10
4.2
5.0
6.5
0.1 to 58.5K
5, 10
4.2
7.0
9.0
0.1 to 95.2K
5, 10
4.7
10.0
13.0
0.1 to 167K
5, 10
9.0
10.0
13.0
0.1 to 167K
5, 10
9.0
CW1/2
CW-1/2
CW001
CW-1
CW01M
CW-1M
CW002
CW-2
CW02M
CW-2M
CW02B
CW-2B
CW02B...13
CW-2B-13
CW02C
CW-2C
CW02C...14 CW-2C-14
CW005
CW-5
CW005...2
CW-5-2
CW005...3
CW-5-3
CW007
CW-7
CW010
CW-10
CW010...3
CW-10-3
Notes
(1)
Vishay Dale CW models have two power ratings, depending on operating temperature and stability requirements
(2)
3 % tolerance available
(3)
Higher values available on request
TECHNICAL SPECIFICATIONS
PARAMETER
UNIT
Temperature Coefficient
ppm/°C
Dielectric Withstanding Voltage
V
AC
Short Time Overload
-
Terminal Strength
lb
Maximum Working Voltage
V
Operating Temperature Range
°C
Power Rating
-
CW RESISTOR CHARACTERISTICS
± 30 for 10
and above, ± 50 for 1.0
to 9.9
,
± 90 for 0.5
to 0.99
1000
5 x rated power for 5 s for 3.75 W size and smaller, 10 x rated power for 5 s for 4 W size and greater
10 minimum
(P
x R)
1/2
Characteristic U = -65 to +250, characteristic V = -65 to +350
Characteristic U = +250 °C max. hot spot temperature, ± 0.5 % max.
R
in 2000 h load life
Characteristic V = +350 °C max. hot spot temperature, ± 3.0 % max.
R
in 2000 h load life
GLOBAL PART NUMBER INFORMATION
Global Part Numbering example: CW02C10K00JB1214
C
GLOBAL MODEL
(see Standard
Electrical
Specifications
Global Model
column for
options)
W
0
2
C
1
0
K
0
0
J
B
1
2
1
4
PACKAGING
SPECIAL
(dash number)
E70
= lead (Pb)-free, tape / reel, 1K pcs (smaller than CW005)
E73
= lead (Pb)-free, tape/reel, 500 pcs
(up to 3 digits)
E12
= lead (Pb)-free, bulk
from
1 to 999
D18
= lead (Pb)-free, R1R80 tape/reel
as applicable
CW02B...13 pack code for Europe use only
S70
= tin / lead, tape / reel, 1K pcs (smaller than CW005)
S73
= tin / lead, tape / reel, 500 pcs
B12
= tin / lead, bulk
Historical Part Numbering example: CW-2C-14 10 k 5 % B12
CW-2C-14
10 k
5%
B12
HISTORICAL MODEL
RESISTANCE VALUE
TOLERANCE CODE
PACKAGING
Document Number: 30215
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
VALUE
TOLERANCE
R
= decimal
H
= ± 3.0 %
J
= ± 5.0 %
K
= thousand
1R500
= 1.5
K
= ± 10.0 %
1K500
= 1.5 k
Revision: 15-Nov-17
CW
www.vishay.com
DIMENSIONS
in inches (millimeters)
1.50 [38.10]
(1)
min.
A
C
Vishay Dale
B
D
MODEL
DIMENSIONS
in inches [millimeters]
A
0.250 ± 0.031 [6.35 ± 0.787]
0.406 ± 0.031 [10.31 ± 0.787]
0.270 ± 0.031 [6.86 ± 0.787]
0.625 ± 0.062 [15.87 ± 1.57]
0.500 ± 0.062 [12.70 ± 1.57]
0.562 ± 0.062 [14.27 ± 1.57]
0.500 ± 0.062 [12.70 ± 1.57]
0.500 ± 0.062 [12.70 ± 1.57]
0.500 ± 0.062 [12.70 ± 1.57]
0.875 ± 0.062 [22.22 ± 1.57]
0.875 ± 0.062 [22.22 ± 1.57]
0.875 ± 0.062 [22.22 ± 1.57]
1.218 ± 0.062 [30.94 ± 1.57]
1.781 ± 0.062 [45.24 ± 1.57]
1.781 ± 0.062 [45.24 ± 1.57]
B [MAXIMUM]
(2)
0.281 [7.14]
0.437 [11.10]
0.311 [7.90]
0.765 [19.43]
0.562 [14.27]
0.622 [15.80]
0.563 [14.30]
0.593 [15.06]
0.593 [15.06]
1.0 [25.40]
1.0 [25.40]
1.0 [25.40]
1.281 [32.54]
1.875 [47.62]
1.875 [47.62]
C
0.085 ± 0.020 [2.16 ± 0.508]
0.094 ± 0.031 [2.39 ± 0.787]
0.110 ± 0.015 [2.79 ± 0.381]
0.250 ± 0.032 [6.35 ± 0.813]
0.185 ± 0.032 [4.70 ± 0.813]
0.188 ± 0.032 [4.78 ± 0.813]
0.188 ± 0.032 [4.78 ± 0.813]
0.218 ± 0.032 [5.54 ± 0.813]
0.218 ± 0.032 [5.54 ± 0.813]
0.312 ± 0.032 [7.92 ± 0.813]
0.250 ± 0.032 [6.35 ± 0.813]
0.312 ± 0.032 [7.92 ± 0.813]
0.312 ± 0.032 [7.92 ± 0.813]
0.375 ± 0.032 [9.52 ± 0.813]
0.375 ± 0.032 [9.52 ± 0.813]
D
0.020 ± 0.002 [0.508 ± 0.051]
0.020 ± 0.002 [0.508 ± 0.051]
0.020 ± 0.002 [0.508 ± 0.051]
0.040 ± 0.002 [1.02 ± 0.051]
0.032 ± 0.002 [0.813 ± 0.051]
0.032 ± 0.002 [0.813 ± 0.051]
0.032 ± 0.002 [0.813 ± 0.051]
0.040 ± 0.002 [1.02 ± 0.051]
0.032 ± 0.002 [0.813 ± 0.051]
0.040 ± 0.002 [1.02 ± 0.051]
0.032 ± 0.002 [0.813 ± 0.051]
0.032 ± 0.002 [0.813 ± 0.051]
0.040 ± 0.002 [1.02 ± 0.051]
0.040 ± 0.002 [1.02 ± 0.051]
0.032 ± 0.002 [0.813 ± 0.051]
CW1/2
CW001
CW01M
CW002
CW02M
CW02B
CW02B...13
CW02C
CW02C...14
CW005
CW005...2
CW005...3
CW007
CW010
CW010...3
Notes
(1)
On some standard reel pack methods, the leads may be trimmed to a shorter length than shown
(2)
B (maximum) dimension is clean lead to clean lead
MATERIAL SPECIFICATIONS
Element:
copper-nickel alloy or nickel-chrome alloy,
depending on resistance value
Core:
ceramic: steatite or alumina, depending on physical
size
Coating:
special high temperature silicone
Standard Terminals:
tinned Copperweld
®
(CW02B…13 is tinned copper)
End Caps:
stainless steel
Part Marking:
DALE, model, wattage
(1)
, value, tolerance,
date code
Note
(1)
Wattage marked on resistor will be “V” characteristic, CW1/2 will
not be marked with wattage.
DERATING
RATED POWER IN %
120
100
80
60
40
20
0
CHAR. U
CHAR. V
- 50
- 65
0
25
50
150
250
350
AMBIENT TEMPERATURE IN °C
PERFORMANCE
TEST
Thermal Shock
Short Time Overload
Dielectric Withstanding
Voltage
Low Temperature Storage
High Temperature Exposure
Moisture Resistance
Shock, Specified Pulse
Vibration, High Frequency
Load Life
Terminal Strength
CONDITIONS OF TEST
Rated power applied until thermally stable, then a minimum of 15 min at -55 °C
5x rated power (3.75 W and smaller), 10 x rated power (4 W and larger) for 5 s
1000 V
rms
, 1 min
-65 °C for 24 h
250 h at +350 °C
MIL-STD-202 Method 106, 7b not applicable
MIL-STD-202 Method 213, 100 g’s for 6 ms, 10 shocks
Frequency varied 10 Hz to 2000 Hz, 20 g peak, 2 directions 6 h each
2000 h at rated power, + 25 °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
TEST LIMITS
(1)
(CHARACTERISTIC V)
± (2.0 % + 0.05
) R
± (2.0 % + 0.05
) R
± (0.1 % + 0.05
) R
± (2.0 % + 0.05
) R
± (4.0 % + 0.05
) R
± (2.0 % + 0.05
) R
± (0.2 % + 0.05
) R
± (0.2 % + 0.05
) R
± (3.0 % + 0.05
) R
± (1.0 % + 0.05
) R
Note
(1)
All
R
figures shown are maximum, based upon testing requirements per MIL-PRF-26 at a maximum operating temperature of +350 °C.
R
maximum figures are considerably lower when tested at a maximum operating temperature of +250 °C
Revision: 15-Nov-17
Document Number: 30215
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
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.
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.
© 2017 VISHAY INTERTECHNOLOGY, INC. ALL RIGHTS RESERVED
Revision: 08-Feb-17
1
Document Number: 91000
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CW00550R00JB12 CW00556R00JB12 CW00527R00JB12 CW00522R00JB12 CW00525R00JB12
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