C&H Technology CW - Manual

Wirewound Resistors, Commercial Coated, Axial Lead
CW
Vishay Dale
www.vishay.com For technical questions, contact: [email protected] Document Number: 30215
20 Revision: 10-Dec-07
FEATURES
• High performance for low cost
• High temperature silicone coating
• Complete welded construction
• Excellent stability in operation
• High power to size ratio
Notes
(1) Vishay Dale CW models have two power ratings, depending on
operating temperature and stability requirements (2) 3 % tolerance available
(3) Higher values available on request
* Pb containing terminations are not RoHS compliant, exemptions may apply
Available
Pb-free
RoHS*
COMPLIANT
e3
STANDARD ELECTRICAL SPECIFICATIONS
GLOBAL
MODEL HISTORICAL
MODEL POWER RATING (1) P
25 °C
W RESISTANCE RANGE
Ω
± 5 %, ± 10 % (2)
WEIGHT (max.)
g Characteristic U + 250 °C Characteristic V + 350 °C
CW1/2 CW-1/2 0.5 - 0.1 - 1.77K 0.21
CW001 CW-1 1.0 - 0.1 - 6.37K 0.34
CW01M CW-1M 1.0 - 0.1 - 3.3K 0.3
CW002 CW-2 4.0 5.5 0.1 - 28.7K 2.1
CW02M CW-2M 3.0 3.75 0.1 - 12K 0.65
CW02B CW-2B 3.0 3.75 0.1 - 15K 0.7
CW02B...13 CW-2B-13 4.0 6.0 0.1 - 10.89K (3) 0.9
CW02C CW-2C 2.5 3.25 0.1 - 19.9K 1.8
CW02C...14 CW-2C-14 2.5 3.25 0.1 - 19.9K 1.2
CW005 CW-5 5.0 6.5 0.1 - 58.5K 4.2
CW005...2 CW-5-2 4.0 5.0 0.1 - 40.3K 4.2
CW005...3 CW-5-3 5.0 6.5 0.1 - 58.5K 4.2
CW007 CW-7 7.0 9.0 0.1 - 95.2K 4.7
CW010 CW-10 10.0 13.0 0.1 - 167K 9.0
CW010...3 CW-10-3 10.0 13.0 0.1 - 167K 9.0
TECHNICAL SPECIFICATIONS
PARAMETER UNIT CW RESISTOR CHARACTERISTICS
Temperature Coefficient ppm/°C ± 90 for below 1.0 Ω, ± 50 for 1.0 Ω to 9.9 Ω, ± 30 for 10 Ω and above
Dielectric Withstanding Voltage V
AC
1000
Short Time Overload -
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
Terminal Strength lb 10 minimum
Maximum Working Voltage V ( P × 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.
ΔR in 2000 h load life
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)
GLOBAL MODEL RES. VALUE TOL. CODE PACKAGING SPECIAL
(See Standard Electrical
Specifications Global Model
column for options)
R = Decimal
K = Thousand
1R500 = 1.5
Ω
1K500 = 1.5 k
Ω
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
Historical Part Number Example: CW-2C-14 10 k
Ω 5 % B12 (will continue to be accepted for tin/lead product only)
CW-2C-14 10 k
Ω
5 % B12
HISTORICAL MODEL RESISTANCE VALUE TOLERANCE CODE PACKAGING
2 C 1 0 0 0 J K W 0 B 1 2 C 4 1