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
Available
• Material categorization:
for definitions of compliance please see
www.vishay.com/doc?99912
Available
Available
STANDARD ELECTRICAL SPECIFICATIONS
POWER RATING (1)
P25 °C
CHARACTERISTIC U
+250 °C
POWER RATING (1)
P25 °C
CHARACTERISTIC V
+350 °C
MAXIMUM
RESISTANCE
RANGE
WEIGHT
GLOBAL
MODEL
W
W
SHORT TERM
PULSE ENERGY
J
TOLERANCE
ꢀ
(max.)
g
CW02B...HE
CW005...HE
CW010...HE
3.0
5.0
3.75
6.5
1.5 to 87.5
5.5 to 343.6
15.0 to 938.0
10.4
39.1
5, 10
5, 10
5, 10
0.7
4.2
9.0
10.0
13.0
106.5
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
Temperature Coefficient
ppm/°C
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
Short Time Overload
-
Terminal Strength
lb
V
10 minimum
(P x R)1/2
Maximum Working Voltage
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
Power Rating
-
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)
VALUE
(5 digits)
TOLERANCE
(1 digit)
PACKAGING
(3 digits)
SPECIAL
(2 to 3 digits)
CW02B
CW005
CW010
R = Decimal
10R00 = 10
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
J = 5.0 ꢀ
K = 10.0 ꢀ
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