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113

CPSM

Vishay Dale

Document Number 30106

Revision 07-Feb-02

For technical questions, contact ww2aresistors@vishay.com

DIMENSIONS

H

W

Element

Copper-nickel alloy or nickel-chrome alloy, depending on resistance value

Core

Woven fiberglass

Body

Steatite ceramic case with inorganic potting compound

Terminals

Tin/lead plated steel

Part Marking

DALE, Model, Wattage, Value, Tolerance, Date Code

Wirewound Resistors, Commercial Power, Surface Mount

MODEL

DIMENSIONS in inches [millimeters]

LW

H

+ 0.032

[0.813]

[0.787]

[1.57]

[0.813]

[0.787]

- 0.012

[0.305]

CPSM-3

0.906

0.374

0.480

0.287

0.374

[23.01]

[9.50]

[12.19]

[7.29]

[9.50]

CPSM-5

1.060

0.374

0.590

0.287

0.374

[26.92]

[9.50]

[14.99]

[7.29]

[9.50]

PERFORMANCE

TEST

CONDITIONS OF TEST

TEST LIMITS (EIA RS-344)

Thermal Shock

- 55

°C to + 165°C, 5 cycles, 30 minute dwell time

± (5.0% + 0.05Ω)∆R

Short Time Overload

5 x rated power for 5 seconds

± (4.0% + 0.05Ω)∆R

± (2.0% + 0.05Ω)∆R

Low Temperature Operation

- 65

°C, full rated working voltage for 45 minutes

± (3.0% + 0.05Ω)∆R

Humidity

75

°C, 90% - 100% RH, 240 hours

± (5.0% + 0.05Ω)∆R

Load Life

1000 hours at rated power, + 40

°C, 1.5 hours “ON”, 0.5 hours “OFF”

± (10.0% + 0.05Ω)∆R

Resistance to Solder Heat

+ 260

°C solder, 10-12 second dwell, 25mm/second emergence

± (4.0% + 0.05Ω)∆R

MODEL

SOLDER PAD DIMENSIONS in inches [millimeters]

ab

l

CPSM-3

0.420

0.340

0.380

[10.67]

[8.64]

[9.65]

CPSM-5

0.440

0.340

0.490

[11.18]

[8.64]

[12.45]

L

0.080

[2.03]

Maximum

0.020

[0.508

Derating

120

100

80

60

40

20

0

-65

-25

25

75

125

175

225

275

Ambient Temperature in

40

Temperature Rise

200

150

100

50

0

0

1.0

2.0

3.0

4.0

5.0

Power in W

CPSM-3

CPSM-5

I

b

a

MATERIAL SPECIFICATIONS