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
Available
• 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
STANDARD ELECTRICAL SPECIFICATIONS
POWER RATING (1)
P25 °C W
CHARACTERISTIC U
+250 °C
POWER RATING (1)
P25 °C W
CHARACTERISTIC V
+350 °C
CW02B...HE
3.0
3.75
1.5 to 87.5
10.4
5, 10
0.7
CW005...HE
5.0
6.5
5.5 to 343.6
39.1
5, 10
4.2
CW010...HE
10.0
13.0
15.0 to 938.0
106.5
5, 10
9.0
GLOBAL
MODEL
RESISTANCE
RANGE
MAXIMUM
SHORT TERM
PULSE ENERGY
J
TOLERANCE
±%
WEIGHT
(max.)
g
Note
(1) Vishay Dale CW...HE models have two power ratings, depending on operating temperature and stability requirements.
TECHNICAL SPECIFICATIONS
PARAMETER
UNIT
CW...HE RESISTOR CHARACTERISTICS
ppm/°C
± 30 for 10 and above, ± 50 for 1.0 to 9.9
Short Time Overload
-
5x rated power for 5 s for CW02B...HE
10x rated power for 5 s for CW005...HE and CW010...HE
Terminal Strength
lb
10 minimum
Maximum Working Voltage
V
(P x R)1/2
Operating Temperature Range
°C
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
Temperature Coefficient
Power Rating
GLOBAL PART NUMBER INFORMATION
Global Part Numbering example: CW02B10R00JE12HE (preferred part number format)
C
W
GLOBAL
MODEL
(5 digits)
CW02B
CW005
CW010
0
2
B
1
0
R
0
0
J
E
1
2
H
E
VALUE
(5 digits)
TOLERANCE
(1 digit)
PACKAGING
(3 digits)
SPECIAL
(2 to 3 digits)
R = Decimal
10R00 = 10
J = ± 5.0 %
K = ± 10.0 %
E70 = Lead (Pb)-free, tape/reel, 1K pcs. (CW02B only)
E73 = Lead (Pb)-free, tape/reel, 500 pcs.
E12 = Lead (Pb)-free, bulk
HE =
High energy
S70 = Tin/lead, tape/reel, 1K pcs. (CW02B only)
S73 = Tin/lead, tape/reel, 500 pcs.
B12 = Tin/lead, bulk
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
Vishay Dale
STANDARD ENERGY PERFORMANCE CHARACTERISTICS
CW005...HE
CW010...HE
5.200
21.150
7.2700
211.3000
2.1 to 2.8
3.286
13.393
4.1357
134.0286
2.9 to 4.0
2.000
8.200
2.2650
82.0925
4.1 to 5.6
1.268
5.196
1.2857
51.8839
34.1000
5.7 to 7.6
0.842
3.408
0.7684
7.7 to 10.8
0.519
2.111
0.4250
21.1056
10.9 to 15.4
0.325
1.312
0.2351
13.0870
15.5 to 21.8
0.202
0.817
0.1312
8.1839
21.9 to 30.5
0.121
0.521
0.0748
5.1980
30.6 to 41.7
0.084
0.341
0.0444
3.4101
41.8 to 59.1
0.052
0.213
0.0247
2.1289
59.2 to 87.5
0.031
0.125
0.0128
1.2442
5.5 to 7.6
5.145
20.921
1.9026
209.2105
Max. Pulse Energy (J)
1.5 to 2.0
1000
CW010...HE
100
CW005...HE
CW02B...HE
10
1
1
10
100
Maximum Continuous Energy (J)
1000
CW010...HE
7.7 to 10.5
3.324
13.552
1.1086
135.4800
10.6 to 15.1
2.040
8.311
0.6040
83.1311
15.2 to 21.4
1.280
5.206
0.3369
52.0425
21.5 to 29.3
0.836
3.410
0.1993
34.1003
29.4 to 41.8
0.519
2.110
0.1098
21.1053
41.9 to 59.6
0.322
1.309
0.0607
13.0871
59.7 to 84.6
0.201
0.818
0.0338
8.1840
84.7 to 118.6
0.120
0.519
0.0192
5.1980
118.7 to 162.3
0.084
0.341
0.0114
3.4100
Resistance (Ω)
162.4 to 230.6
0.052
0.213
0.0063
2.1290
Fusing Energy (J)
230.7 to 343.6
0.031
0.125
0.0033
1.2442
15.0 to 20.7
5.145
20.923
0.6986
209.2101
20.8 to 28.6
3.329
13.549
0.4070
135.4773
28.7 to 41.0
2.037
8.312
0.2224
83.1395
41.1 to 58.0
1.281
5.217
0.1243
52.1643
58.1 to 79.7
0.836
3.410
0.0733
34.1003
79.8 to 113.6
0.518
2.111
0.0404
21.1054
113.7 to 162.3
0.322
1.309
0.0223
13.0871
162.4 to 230.5
0.201
0.818
0.0124
8.1841
230.6 to 323.2
0.120
0.520
0.0071
5.1980
323.3 to 442.7
0.084
0.341
0.0042
3.4100
442.8 to 629.3
0.052
0.213
0.0023
2.1290
629.4 to 938.0
Note
(1) Time to fuse is 0.1 s.
Revision: 07-Apr-16
0.031
0.124
0.0012
1.2442
1000
Resistance (Ω)
Fusing Energy (J)
CW02B...HE
MAX.
CURRENT POWER
FUSING
RESISTANCE
PULSE
TO
TO
ENERGY
RANGE
ENERGY
FUSE (1) FUSE (1)
J/
J/
A/
W/
CW005...HE
100
CW02B...HE
10
1
1
10
100
1000
100
Fusing Current (A) (1)
GLOBAL
MODEL
CW005...HE
10
CW010...HE
CW02B...HE
1
1
10
100
1000
Resistance (Ω)
Fusing Current (A) (1)
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
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
D
CW02B...HE
0.562 ± 0.062 [14.27 ± 1.57]
0.622 [15.80]
0.188 ± 0.032 [4.78 ± 0.813]
0.032 ± 0.002 [0.813 ± 0.051]
CW005...HE
0.875 ± 0.062 [22.22 ± 1.57]
1.0 [25.40]
0.312 ± 0.032 [7.92 ± 0.813]
0.040 ± 0.002 [1.02 ± 0.051]
CW010...HE
1.781 ± 0.062 [45.24 ± 1.57]
1.875 [47.62]
0.375 ± 0.032 [9.52 ± 0.813]
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.
DERATING
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.
RATED POWER IN %
MATERIAL SPECIFICATIONS
120
100
80
60
CHAR. V
CHAR. U
40
20
0
- 50
- 65
0
50
25
150
250
350
AMBIENT TEMPERATURE IN °C
PERFORMANCE
CONDITIONS OF TEST
TEST LIMITS (4)
(CHARACTERISTIC V)
Thermal Shock
Rated power applied until thermally stable, then a minimum of 15 min at -55 °C
± (2.0 % + 0.05 ) R
Short Time Overload
5x rated power for 5 s for CW02B...HE
10x rated power for 5 s for CW005...HE and CW010...HE
± (2.0 % + 0.05 ) R
High Temperature Exposure
250 h at +350 °C
± (4.0 % + 0.05 ) R
Load Life
2000 h at rated power, +25 °C, 1.5 h “ON”, 0.5 h “OFF”
± (3.0 % + 0.05 ) R
TEST
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
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www.vishay.com
Vishay
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Revision: 01-Jan-2023
1
Document Number: 91000