CW - High Surge
www.vishay.com
Vishay Dale
Wirewound Resistors, High Surge Immunity,
Silicone Coated, Axial Lead
FEATURES
• High voltage surge immunity, up to 12 kV
• High temperature silicone coating
• Complete welded construction
• Excellent stability in operation
• High power to size ratio
Available
Available
Available
Available
• 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.
STANDARD ELECTRICAL SPECIFICATIONS
POWER RATING (1)
P25 °C
CHARACTERISTIC U
+250 °C
POWER RATING (1)
P25 °C
CHARACTERISTIC V
+350 °C
RESISTANCE
RANGE
WEIGHT
(max.)
g
GLOBAL
MODEL
W
W
TOLERANCE
ꢀ
CW001...HS
CW02B...HS
CW005...HS
CW010...HS
1.0
3.0
-
0.1 to 6.37K
0.1 to 15K
5, 10
5, 10
5, 10
5, 10
0.34
0.7
4.2
9.0
3.75
6.5
5.0
0.1 to 58.5K
0.1 to 167K
10.0
13.0
Note
(1)
Vishay Dale CW models have two power ratings, depending on operating temperature and stability requirements.
TECHNICAL SPECIFICATIONS
PARAMETER
UNIT
ppm/°C
VAC
CW RESISTOR CHARACTERISTICS
Temperature Coefficient
Dielectric Withstanding Voltage
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
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: CW02B10K00JB12HS (preferred part number format)
C
W
0
2
B
1
0
K
0
0
J
B
1
2
H
S
GLOBAL
MODEL
(5 digits)
VALUE
(5 digits)
TOLERANCE
(1 digit)
PACKAGING
(3 digits)
SPECIAL
(2 digits)
HS =
High Surge
H = 3.0 ꢀ
J = 5.0 ꢀ
K = 10.0 ꢀ
E70 = Lead (Pb)-free, tape/reel, 1K pcs. (CW001 and CW02B)
E73 = Lead (Pb)-free, tape/reel, 500 pcs.
E12 = Lead (Pb)-free, bulk
CW001
CW02B
CW005
CW010
R = Decimal
K = Thousand
1R500 = 1.5
1K500 = 1.5 k
S70 = Tin/lead, tape/reel, 1K pcs. (CW001 and CW02B)
S73 = Tin/lead, tape/reel, 500 pcs.
B12 = Tin/lead, bulk
Revision: 31-Mar-14
Document Number: 30285
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