CW - High Energy
www.vishay.com
Vishay Dale
Wirewound Resistors, High Energy,
Silicone Coated, Axial Lead
FEATURES
• High continuous energy handling up to 106.5 J
• 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
Available
Available
STANDARD ELECTRICAL SPECIFICATIONS
GLOBAL
MODEL
CW02B...HE
CW005...HE
CW010...HE
POWER RATING
(1)
P
25 °C
W
CHARACTERISTIC U
+250 °C
3.0
5.0
10.0
POWER RATING
(1)
P
25 °C
W
CHARACTERISTIC V
+350 °C
3.75
6.5
13.0
RESISTANCE
RANGE
1.5 to 87.5
5.5 to 343.6
15.0 to 938.0
MAXIMUM
SHORT TERM
PULSE ENERGY
J
10.4
39.1
106.5
TOLERANCE
±%
5, 10
5, 10
5, 10
WEIGHT
(max.)
g
0.7
4.2
9.0
Note
(1)
Vishay Dale CW...HE models have two power ratings, depending on operating temperature and stability requirements.
TECHNICAL SPECIFICATIONS
PARAMETER
Temperature Coefficient
Short Time Overload
Terminal Strength
Maximum Working Voltage
Operating Temperature Range
Power Rating
UNIT
ppm/°C
-
lb
V
°C
-
CW...HE RESISTOR CHARACTERISTICS
± 30 for 10
and above, ± 50 for 1.0
to 9.9
5x rated power for 5 s for CW02B...HE
10x rated power for 5 s for CW005...HE and CW010...HE
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: CW02B10R00JE12HE (preferred part number format)
C
W
0
2
B
1
0
R
0
0
J
E
1
2
H
E
GLOBAL
MODEL
(5 digits)
CW02B
CW005
CW010
VALUE
(5 digits)
R
= Decimal
10R00
= 10
TOLERANCE
(1 digit)
J
= ± 5.0 %
K
= ± 10.0 %
PACKAGING
(3 digits)
E70
= Lead (Pb)-free, tape/reel, 1K pcs. (CW02B only)
E73
= Lead (Pb)-free, tape/reel, 500 pcs.
E12
= Lead (Pb)-free, bulk
S70
= Tin/lead, tape/reel, 1K pcs. (CW02B only)
S73
= Tin/lead, tape/reel, 500 pcs.
B12
= Tin/lead, bulk
SPECIAL
(2 to 3 digits)
HE
=
High energy
Revision: 07-Apr-16
Document Number: 30286
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 - High Energy
www.vishay.com
STANDARD ENERGY PERFORMANCE CHARACTERISTICS
GLOBAL
MODEL
MAX.
CURRENT POWER
FUSING
RESISTANCE
PULSE
TO
TO
ENERGY
RANGE
ENERGY
FUSE
(1)
FUSE
(1)
J/
J/
A/
W/
1.5 to 2.0
2.1 to 2.8
2.9 to 4.0
4.1 to 5.6
5.7 to 7.6
CW02B...HE
7.7 to 10.8
10.9 to 15.4
15.5 to 21.8
21.9 to 30.5
30.6 to 41.7
41.8 to 59.1
59.2 to 87.5
5.5 to 7.6
7.7 to 10.5
10.6 to 15.1
15.2 to 21.4
21.5 to 29.3
CW005...HE
29.4 to 41.8
41.9 to 59.6
59.7 to 84.6
84.7 to 118.6
118.7 to 162.3
162.4 to 230.6
230.7 to 343.6
15.0 to 20.7
20.8 to 28.6
28.7 to 41.0
41.1 to 58.0
58.1 to 79.7
CW010...HE
79.8 to 113.6
113.7 to 162.3
162.4 to 230.5
230.6 to 323.2
323.3 to 442.7
442.8 to 629.3
629.4 to 938.0
Note
(1)
Time to fuse is 0.1 s.
5.200
3.286
2.000
1.268
0.842
0.519
0.325
0.202
0.121
0.084
0.052
0.031
5.145
3.324
2.040
1.280
0.836
0.519
0.322
0.201
0.120
0.084
0.052
0.031
5.145
3.329
2.037
1.281
0.836
0.518
0.322
0.201
0.120
0.084
0.052
0.031
21.150
13.393
8.200
5.196
3.408
2.111
1.312
0.817
0.521
0.341
0.213
0.125
20.921
13.552
8.311
5.206
3.410
2.110
1.309
0.818
0.519
0.341
0.213
0.125
20.923
13.549
8.312
5.217
3.410
2.111
1.309
0.818
0.520
0.341
0.213
0.124
7.2700
4.1357
2.2650
1.2857
0.7684
0.4250
0.2351
0.1312
0.0748
0.0444
0.0247
0.0128
1.9026
1.1086
0.6040
0.3369
0.1993
0.1098
0.0607
0.0338
0.0192
0.0114
0.0063
0.0033
0.6986
0.4070
0.2224
0.1243
0.0733
0.0404
0.0223
0.0124
0.0071
0.0042
0.0023
0.0012
211.3000
134.0286
82.0925
51.8839
34.1000
21.1056
13.0870
8.1839
5.1980
3.4101
2.1289
1.2442
209.2105
Fusing Energy (J)
1000
CW010...HE
100
CW005...HE
CW02B...HE
10
1
1
10
Resistance (Ω)
100
1000
1000
Max. Pulse Energy (J)
Vishay Dale
CW010...HE
100
CW005...HE
CW02B...HE
10
Maximum Continuous Energy (J)
135.4800
83.1311
52.0425
34.1003
21.1053
13.0871
8.1840
5.1980
3.4100
2.1290
1.2442
209.2101
135.4773
52.1643
34.1003
21.1054
13.0871
8.1841
5.1980
3.4100
2.1290
1.2442
83.1395
1
1
10
Resistance (Ω)
100
1000
Fusing Energy (J)
100
Fusing Current (A)
(1)
CW005...HE
10
CW02B...HE
CW010...HE
1
1
10
Resistance (Ω)
100
1000
Fusing Current (A)
(1)
Revision: 07-Apr-16
Document Number: 30286
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
CW - High Energy
www.vishay.com
DIMENSIONS
in inches (millimeters)
1.50 [38.10]
(1)
min.
A
C
Vishay Dale
B
D
MODEL
CW02B...HE
CW005...HE
CW010...HE
DIMENSIONS
in inches [millimeters]
A
0.562 ± 0.062 [14.27 ± 1.57]
0.875 ± 0.062 [22.22 ± 1.57]
1.781 ± 0.062 [45.24 ± 1.57]
B [MAXIMUM]
(2)
0.622 [15.80]
1.0 [25.40]
1.875 [47.62]
C
0.188 ± 0.032 [4.78 ± 0.813]
0.312 ± 0.032 [7.92 ± 0.813]
0.375 ± 0.032 [9.52 ± 0.813]
D
0.032 ± 0.002 [0.813 ± 0.051]
0.040 ± 0.002 [1.02 ± 0.051]
0.040 ± 0.002 [1.02 ± 0.051]
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:
Nickel-chrome alloy
Core:
Ceramic: Steatite
Coating:
Special high temperature silicone
Standard Terminals:
Tinned Copperweld
®
End Caps:
Stainless steel
Part Marking:
DALE, model, wattage
(3)
, value, tolerance,
date code
Note
(3)
Wattage marked on resistor will be “V” characteristic.
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
High Temperature Exposure
Load Life
CONDITIONS OF TEST
Rated power applied until thermally stable, then a minimum of 15 min at -55 °C
5x rated power for 5 s for CW02B...HE
10x rated power for 5 s for CW005...HE and CW010...HE
250 h at +350 °C
2000 h at rated power, +25 °C, 1.5 h “ON”, 0.5 h “OFF”
TEST LIMITS
(4)
(CHARACTERISTIC V)
± (2.0 % + 0.05
) R
± (2.0 % + 0.05
) R
± (4.0 % + 0.05
) R
± (3.0 % + 0.05
) R
Note
(4)
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: 07-Apr-16
Document Number: 30286
3
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
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RELIABILITY, FUNCTION OR DESIGN OR OTHERWISE.
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“Vishay”), disclaim any and all liability for any errors, inaccuracies or incompleteness contained in any datasheet or in any other
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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
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including but not limited to the warranty expressed therein.
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© 2017 VISHAY INTERTECHNOLOGY, INC. ALL RIGHTS RESERVED
Revision: 08-Feb-17
1
Document Number: 91000
