CW - High Surge
www.vishay.com
Vishay Dale
Revision: 31-Mar-14
1
Document Number: 30285
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 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
• 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.
Note
(1)
Vishay Dale CW models have two power ratings, depending on operating temperature and stability requirements.
Available
Available
Available
Available
STANDARD ELECTRICAL SPECIFICATIONS
GLOBAL
MODEL
POWER RATING
(1)
P
25 °C
W
CHARACTERISTIC U
+250 °C
POWER RATING
(1)
P
25 °C
W
CHARACTERISTIC V
+350 °C
RESISTANCE
RANGE
TOLERANCE
± %
WEIGHT
(max.)
g
CW001...HS 1.0 - 0.1 to 6.37K 5, 10 0.34
CW02B...HS 3.0 3.75 0.1 to 15K 5, 10 0.7
CW005...HS 5.0 6.5 0.1 to 58.5K 5, 10 4.2
CW010...HS 10.0 13.0 0.1 to 167K 5, 10 9.0
TECHNICAL SPECIFICATIONS
PARAMETER UNIT CW RESISTOR CHARACTERISTICS
Temperature Coefficient ppm/°C ± 30 for 10 and above, ± 50 for 1.0 to 9.9 , ± 90 for 0.5 to 0.99
Dielectric Withstanding Voltage V
AC
1000
Short Time Overload -
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
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: CW02B10K00JB12HS (preferred part number format)
GLOBAL
MODEL
(5 digits)
VALUE
(5 digits)
TOLERANCE
(1 digit)
PACKAGING
(3 digits)
SPECIAL
(2 digits)
CW001
CW02B
CW005
CW010
R = Decimal
K = Thousand
1R500 = 1.5
1K500 = 1.5 k
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
HS =
High Surge
S70 = Tin/lead, tape/reel, 1K pcs. (CW001 and CW02B)
S73 = Tin/lead, tape/reel, 500 pcs.
B12 = Tin/lead, bulk
W0 2B1 0 J 1B2HC S0K 0