CPW, CPWN

www.vishay.com

Vishay Dale

Revision: 09-Jan-12

2

Document Number: 30216

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

DIMENSIONS in inches [millimeters]

Note

MATERIAL SPECIFICATIONS

Element: Copper-nickel alloy or nickel-chrome alloy,

depending on resistance value

Core: Ceramic

End Caps: Tin plated steel

Body:

Steatite ceramic case with inorganic potting

compound

Part Marking: DALE, model, wattage, value, tolerance, date

code

DERATING

GLOBAL

MODEL

DIMENSIONS in inches [millimeters]

± 0.031 [0.794]

B

± 0.031 [0.794]

C

± 0.031 [0.794]

D

± 0.031 [0.794]

E

± 0.001 [0.025]

CPW02

0.688 [17.46]

0.250 [6.35]

0.250 [6.35]

-

0.032 [0.813]

CPW02...3

0.688 [17.46]

0.250 [6.35]

0.250 [6.35]

0.313 [7.94]

0.032 [0.813]

CPW03

0.875 [22.22]

0.313 [7.94]

0.313 [7.94]

-

0.032 [0.813]

CPW03...3

0.875 [22.22]

0.313 [7.94]

0.313 [7.94]

0.375 [9.52]

0.032 [0.813]

CPW05

0.875 [22.22]

0.375 [9.52]

0.344 [8.73]

-

0.032 [0.813]

CPW05...3

0.875 [22.22]

0.375 [9.52]

0.344 [8.73]

0.406 [10.32]

0.032 [0.813]

CPW07

1.391 [35.32]

0.375 [9.52]

0.344 [8.73]

-

0.032 [0.813]

CPW07...3

1.391 [35.32]

0.375 [9.52]

0.344 [8.73]

0.469 [11.91]

0.032 [0.813]

CPW10

1.875 [47.62]

0.375 [9.52]

0.344 [8.73]

-

0.032 [0.813]

CPW10...3

1.875 [47.62]

0.375 [9.52]

0.344 [8.73]

0.469 [11.91]

0.032 [0.813]

CPW15

1.875 [47.62]

0.500 [12.70]

0.500 [12.70]

-

0.032 [0.813]

CPW15...3

1.875 [47.62]

0.500 [12.70]

0.500 [12.70]

0.625 [15.87]

0.032 [0.813]

CPW20

2.500 [63.50]

0.500 [12.70]

0.500 [12.70]

-

0.032 [0.813]

CPW20...3

2.500 [63.50]

0.500 [12.70]

0.500 [12.70]

0.625 [15.87]

0.032 [0.813]

CPWxx

C

B

A

1.0 [25.4]

min.

E

B

CPWxx...3

A

1.0 [25.4]

min.

C

D

E

0.125

[3.18]

typical

- 65 - 25

25

75

125

175

225

275

AMBIENT TEMPERATURE IN °C

120

100

80

60

40

20

0

40

PERFORMANCE

TEST

CONDITIONS OF TEST

TEST LIMITS

(EIA RS-344)

Thermal Shock

- 55 °C to + 275 °C, 5 cycles, 30 min dwell time

± (2.0 % + 0.05

) R

Short Time Overload

5 x rated power for 5 s

± (2.0 % + 0.05

) R

Dielectric Withstanding

± (0.1 % + 0.05

) R

Low Temperature Storage

- 65 °C, full rated working voltage for 45 min

± (2.0 % + 0.05

) R

Bias Humidity

75 °C, 90 % to 100 % RH, 240 h

± (2.0 % + 0.05

) R

Load Life

1000 h at rated power, + 40 °C, 1.5 h “ON”, 0.5 h “OFF”

± (3.0 % + 0.05

) R

Terminal Strength

5 s to 10 s 10 pound pull test, torsion test - 3 alternating directions, 360° each

± (1.0 % + 0.05

) R

Resistance to Solder Heat

Terminal immersed 3.5 s in molten solder at 1/8" to 3/16" from body

± (1.0 % + 0.05

) R