CW
Vishay Dale
Wirewound Resistors, Commercial Coated, Axial Lead
FEATURES
• High performance for low cost
Pb-free
• High temperature silicone coating
• Complete welded construction
• Excellent stability in operation
• High power to size ratio
Available
e3
RoHS*
COMPLIANT
STANDARD ELECTRICAL SPECIFICATIONS
POWER RATING (1) P25 °C
W
GLOBAL
HISTORICAL
RESISTANCE RANGE Ω WEIGHT (max.)
MODEL
MODEL
5 ꢀ, 10 ꢀ (2)
0.1 - 1.77K
0.1 - 6.37K
0.1 - 3.3K
g
Characteristic U + 250 °C Characteristic V + 350 °C
CW1/2
CW001
CW01M
CW002
CW02M
CW02B
CW02B...13
CW02C
CW02C...14
CW005
CW005...2
CW005...3
CW007
CW-1/2
CW-1
CW-1M
CW-2
CW-2M
CW-2B
CW-2B-13
CW-2C
CW-2C-14
CW-5
CW-5-2
CW-5-3
CW-7
0.5
1.0
1.0
4.0
3.0
3.0
4.0
2.5
2.5
5.0
4.0
5.0
7.0
10.0
10.0
-
-
-
0.21
0.34
0.3
2.1
0.65
0.7
0.9
1.8
1.2
4.2
4.2
4.2
4.7
9.0
9.0
5.5
3.75
3.75
6.0
3.25
3.25
6.5
5.0
6.5
9.0
13.0
13.0
0.1 - 28.7K
0.1 - 12K
0.1 - 15K
0.1 - 10.89K (3)
0.1 - 19.9K
0.1 - 19.9K
0.1 - 58.5K
0.1 - 40.3K
0.1 - 58.5K
0.1 - 95.2K
0.1 - 167K
0.1 - 167K
CW010
CW010...3
CW-10
CW-10-3
Notes
(1)
(2)
(3)
Vishay Dale CW models have two power ratings, depending on
operating temperature and stability requirements
3 % tolerance available
Higher values available on request
TECHNICAL SPECIFICATIONS
PARAMETER
UNIT
ppm/°C
VAC
CW RESISTOR CHARACTERISTICS
90 for below 1.0 Ω, 50 for 1.0 Ω to 9.9 Ω, 30 for 10 Ω and above
1000
Temperature Coefficient
Dielectric Withstanding Voltage
5 × rated power for 5 s for 3.75 W size and smaller,
10 × rated power for 5 s for 4 W size and greater
Short Time Overload
-
Terminal Strength
Maximum Working Voltage
Operating Temperature Range
lb
V
°C
10 minimum
(P × R)1/2
Characteristic U = - 65 to + 250, characteristic V = - 65 to + 350
Characteristic U = + 250 °C max. hot spot temperature, 0.5 % max. ΔR in 2000 h load life
Power Rating
-
Characteristic V = + 350 °C max. hot spot temperature, 3.0 % max. ΔR in 2000 h load life
GLOBAL PART NUMBER INFORMATION
New Global Part Numbering: CW02C10K00JB1214 (preferred part number format)
C
W
0
2
C
1
0
K
0
0
J
B
1
2
1
4
GLOBAL MODEL
RES. VALUE
TOL. CODE
PACKAGING
SPECIAL
(See Standard Electrical
Specifications Global Model
column for options)
R = Decimal
H = 3.0 %
J = 5.0 %
K = 10.0 %
E70 = Lead (Pb)-free, tape/reel 1K pieces
E73 = Lead (Pb)-free, tape/reel 500 pieces
E12 = Lead (Pb)-free, bulk
D18 = Lead (Pb)-free, R1R80 tape/reel
CW02B...13 pack code for Europe use only
S70 = Tin/lead, tape/reel 1K pieces
S73 = Tin/lead, tape/reel 500 pieces
B12 = Tin/lead, bulk
(Dash Number)
(up to 3 digits)
From 1 - 999
as applicable
K = Thousand
1R500 = 1.5 Ω
1K500 = 1.5 kΩ
Historical Part Number Example: CW-2C-14 10 kΩ 5 ꢀ B12 (will continue to be accepted for tin/lead product only)
CW-2C-14
10 kΩ
5 ꢀ
B12
HISTORICAL MODEL
RESISTANCE VALUE
TOLERANCE CODE
PACKAGING
* Pb containing terminations are not RoHS compliant, exemptions may apply
www.vishay.com
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For technical questions, contact: ww2aresistors@vishay.com
Document Number: 30215
Revision: 10-Dec-07