CW
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Vishay Dale
Wirewound Resistors, Commercial Power,
Silicone Coated, Axial Lead
FEATURES
•
•
•
•
•
•
DESIGN SUPPORT TOOLS
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
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
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Models
Available
Available
Available
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STANDARD ELECTRICAL SPECIFICATIONS
HISTORICAL
MODEL
GLOBAL
MODEL
POWER RATING (1) P25 °C W POWER RATING (1) P25 °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
VAC
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
W
GLOBAL MODEL
(see Standard
Electrical
Specifications
Global Model
column for
options)
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
Revision: 15-Nov-17
VALUE
TOLERANCE
R = decimal
H = ± 3.0 %
K = thousand
J = ± 5.0 %
1R500 = 1.5 K = ± 10.0 %
1K500 = 1.5 k
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
CW
www.vishay.com
Vishay Dale
DIMENSIONS in inches (millimeters)
1.50 [38.10] (1)
min.
C
A
B
D
DIMENSIONS in inches [millimeters]
MODEL
A
B [MAXIMUM] (2)
C
CW1/2
0.250 ± 0.031 [6.35 ± 0.787]
0.281 [7.14]
0.085 ± 0.020 [2.16 ± 0.508]
CW001
0.406 ± 0.031 [10.31 ± 0.787]
0.437 [11.10]
0.094 ± 0.031 [2.39 ± 0.787]
CW01M
0.270 ± 0.031 [6.86 ± 0.787]
0.311 [7.90]
0.110 ± 0.015 [2.79 ± 0.381]
CW002
0.625 ± 0.062 [15.87 ± 1.57]
0.765 [19.43]
0.250 ± 0.032 [6.35 ± 0.813]
CW02M
0.500 ± 0.062 [12.70 ± 1.57]
0.562 [14.27]
0.185 ± 0.032 [4.70 ± 0.813]
CW02B
0.562 ± 0.062 [14.27 ± 1.57]
0.622 [15.80]
0.188 ± 0.032 [4.78 ± 0.813]
CW02B...13
0.500 ± 0.062 [12.70 ± 1.57]
0.563 [14.30]
0.188 ± 0.032 [4.78 ± 0.813]
CW02C
0.500 ± 0.062 [12.70 ± 1.57]
0.593 [15.06]
0.218 ± 0.032 [5.54 ± 0.813]
CW02C...14
0.500 ± 0.062 [12.70 ± 1.57]
0.593 [15.06]
0.218 ± 0.032 [5.54 ± 0.813]
CW005
0.875 ± 0.062 [22.22 ± 1.57]
1.0 [25.40]
0.312 ± 0.032 [7.92 ± 0.813]
CW005...2
0.875 ± 0.062 [22.22 ± 1.57]
1.0 [25.40]
0.250 ± 0.032 [6.35 ± 0.813]
CW005...3
0.875 ± 0.062 [22.22 ± 1.57]
1.0 [25.40]
0.312 ± 0.032 [7.92 ± 0.813]
CW007
1.218 ± 0.062 [30.94 ± 1.57]
1.281 [32.54]
0.312 ± 0.032 [7.92 ± 0.813]
CW010
1.781 ± 0.062 [45.24 ± 1.57]
1.875 [47.62]
0.375 ± 0.032 [9.52 ± 0.813]
CW010...3
1.781 ± 0.062 [45.24 ± 1.57]
1.875 [47.62]
0.375 ± 0.032 [9.52 ± 0.813]
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
DERATING
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.
RATED POWER IN %
MATERIAL SPECIFICATIONS
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]
120
100
80
60
CHAR. V
CHAR. U
40
20
0
- 50
- 65
0
50
25
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
TEST LIMITS (1)
(CHARACTERISTIC V)
± (2.0 % + 0.05 ) R
± (2.0 % + 0.05 ) R
1000 Vrms, 1 min
± (0.1 % + 0.05 ) R
-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
± (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
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Revision: 01-Jan-2022
1
Document Number: 91000