CW

www.vishay.com

Vishay Dale

Revision: 01-Feb-12

1

Document Number: 30215

THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT

Wirewound Resistors, Commercial Power,

Silicone Coated, Axial Lead

FEATURES

• High performance for low cost

• High temperature silicone coating

• Complete welded construction

• Excellent stability in operation

• High power to size ratio

• Compliant to RoHS Directive 2002/95/EC

Notes

Notes

STANDARD ELECTRICAL SPECIFICATIONS

GLOBAL

MODEL

HISTORICAL

MODEL

CHARACTERISTIC U + 250

°C

CHARACTERISTIC V + 350

°C

RESISTANCE RANGE



TOLERANCE

WEIGHT

(max.) g

CW1/2

CW-1/2

0.5

-

0.1 to 1.77K

5, 10

0.21

CW001

CW-1

1.0

-

0.1 to 6.37K

5, 10

0.34

CW01M

CW-1M

1.0

-

0.1 to 3.3K

5, 10

0.3

CW002

CW-2

4.0

5.5

0.1 to 28.7K

5, 10

2.1

CW02M

CW-2M

3.0

3.75

0.1 to 12K

5, 10

0.65

CW02B

CW-2B

3.0

3.75

0.1 to 15K

5, 10

0.7

CW02B...13

CW-2B-13

4.0

6.0

5, 10

0.9

CW02C

CW-2C

2.5

3.25

0.1 to 19.9K

5, 10

1.8

CW02C...14

CW-2C-14

2.5

3.25

0.1 to 19.9K

5, 10

1.2

CW005

CW-5

5.0

6.5

0.1 to 58.5K

5, 10

4.2

CW005...2

CW-5-2

4.0

5.0

0.1 to 40.3K

5, 10

4.2

CW005...3

CW-5-3

5.0

6.5

0.1 to 58.5K

5, 10

4.2

CW007

CW-7

7.0

9.0

0.1 to 95.2K

5, 10

4.7

CW010

CW-10

10.0

13.0

0.1 to 167K

5, 10

9.0

CW010...3

CW-10-3

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

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

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: CW02C10K00JB1214

GLOBAL MODEL

VALUE

TOLERANCE

PACKAGING

SPECIAL

(See Standard

Electrical

Specifications

Global Model

column for

options)

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 (smaller than CW005)

E73 = Lead (Pb)-free, tape/reel, 500 pcs

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 pcs (smaller than CW005)

S73 = Tin/lead, tape/reel, 500 pcs

B12 = Tin/lead, bulk

(Dash Number)

(up to 3 digits)

From 1 to 999

as applicable

Historical Part Numbering example: CW-2C-14 10 k

 5 % B12

CW-2C-14

10 k



5 %

B12

HISTORICAL MODEL

RESISTANCE VALUE

TOLERANCE CODE

PACKAGING

2C1

0

0

0

J

K

W0

B1

2

C

4

1