CW - High Energy
www.vishay.com Vishay Dale
Revision: 07-Apr-16 1Document Number: 30286
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
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
Note
(1) Vishay Dale CW...HE models have two power ratings, depending on operating temperature and stability requirements.
Available
Available
Available
STANDARD ELECTRICAL SPECIFICATIONS
GLOBAL
MODEL
POWER RATING (1)
P25 °C W
CHARACTERISTIC U
+250 °C
POWER RATING (1)
P25 °C W
CHARACTERISTIC V
+350 °C
RESISTANCE
RANGE
MAXIMUM
SHORT TERM
PULSE ENERGY
J
TOLERANCE
± %
WEIGHT
(max.)
g
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
TECHNICAL SPECIFICATIONS
PARAMETER UNIT CW...HE RESISTOR CHARACTERISTICS
Temperature Coefficient 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
Power Rating - 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)
GLOBAL
MODEL
(5 digits)
VALUE
(5 digits)
TOLERANCE
(1 digit)
PACKAGING
(3 digits)
SPECIAL
(2 to 3 digits)
CW02B
CW005
CW010
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
W0 2B1 0 J 1E2EHC 0R 0
CW - High Energy
www.vishay.com Vishay Dale
Revision: 07-Apr-16 2Document Number: 30286
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
STANDARD ENERGY PERFORMANCE CHARACTERISTICS
Note
(1) Time to fuse is 0.1 s.
Maximum Continuous Energy (J)
Fusing Energy (J)
Fusing Current (A) (1)
GLOBAL
MODEL
RESISTANCE
RANGE
MAX.
PULSE
ENERGY
J/
FUSING
ENERGY
J/
CURRENT
TO
FUSE
(1)
A/
POWER
TO
FUSE
(1)
W/
CW02B...HE
1.5 to 2.0 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
5.7 to 7.6 0.842 3.408 0.7684 34.1000
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
CW005...HE
5.5 to 7.6 5.145 20.921 1.9026 209.2105
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
162.4 to 230.6 0.052 0.213 0.0063 2.1290
230.7 to 343.6 0.031 0.125 0.0033 1.2442
CW010...HE
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 0.031 0.124 0.0012 1.2442
1
10
100
1000
1 10 100 1000
Max. Pulse Energy (J)
Resistance (Ω)
CW005...HE
CW010...HE
CW02B...HE
1
10
100
1000
1 10 100 1000
Fusing Energy (J)
Resistance (Ω)
CW005...HE
CW010...HE
CW02B...HE
1
10
100
1 10 100 1000
Fusing Current (A) (1)
Resistance (Ω)
CW005...HE
CW010...HE
CW02B...HE
CW - High Energy
www.vishay.com Vishay Dale
Revision: 07-Apr-16 3Document Number: 30286
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
DIMENSIONS in inches (millimeters)
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
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.
MODEL DIMENSIONS in inches [millimeters]
AB [MAXIMUM] (2) CD
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]
D
C
1.50 [38.10] (1)
min. A
B
RATED POWER IN %
AMBIENT TEMPERATURE IN °C
25
0
20
40
60
80
100
120
- 65
150 35050 2500- 50
CHAR. U
CHAR. V
PERFORMANCE
TEST 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
Legal Disclaimer Notice
www.vishay.com Vishay
Revision: 08-Feb-17 1Document Number: 91000
Disclaimer
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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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