CPSM
Vishay Dale
Wirewound Resistors, Commercial Power, Surface Mount
STANDARD ELECTRICAL SPECIFICATIONS
GLOBAL
MODEL
HISTORICAL
MODEL
POWER RATING
P
FEATURES
• Direct mounting on printed circuit board
• High wattage capabilities, low board
temperatures
• Meets or exceeds EIA-RS-344 requirements
• Special inorganic potting compound and
ceramic case provide high thermal conductivity
in a fireproof package
• Superior surge capability
RESISTANCE RANGE
40 °C
W
± 5 %, ± 10 %
Pb-free
Available
e3
RoHS*
COMPLIANT
Ω
CPSM03 CPSM-3 3 0.1 - 1K
CPSM05 CPSM-5 5 0.1 - 1K
TECHNICAL SPECIFICATIONS
PARAMETER UNIT CPSM RESISTOR CHARACTERISTICS
Temperature Coefficient ppm/°C
Short Time Overload - 5 x rated power for 5 seconds
Operating Temperature °C - 65/+ 275
Dielectric Withstanding Voltage V
Maximum Working Voltage V (P x R)
Weight (typical) g CPSM03 = 5.5; CPSM05 = 6.5
AC
± 600 below 1.0 Ω,
± 300 1.0 Ω and above
1000
1/2
GLOBAL PART NUMBER INFORMATION
New Global Part Numbering: CPSM0315R00JE31 (preferred part numbering format)
CPSM
GLOBAL MODEL
CPSM03
CPSM05
0315
VALUE
R = decimal
K = thousand
R1500 = 0.15 Ω
100R0 = 100 Ω
1K000 = 1 kΩ
R0
TOLERANCE
H = ± 3.0 %
J = ± 5.0 %
K = ± 10 %
0J
E31 = Lead (Pb)-free, 4 layer bulk
E3
PACKAGING
B31 = Tin/Lead, 4 layer bulk
1
SPECIAL
(Dash Number)
(up to 3 digits)
From 1-999 as
applicable
Historical Part Number example: CPSM-3 15 Ω 5 % B3 1( will continue to be accepted)
CPSM-3
HISTORICAL MODEL R
* Pb containing terminations are not RoHS compliant, exemptions may apply
www.vishay.com For technical questions, contact: ww2aresistors@vishay.com
316 Revision: 27-Jun-07
15 Ω
ESIST
ANCE VALUE TOLERANCE PACKAGING
5 %
CODE
B31
Document Number: 30106
Wirewound Resistors, Commercial Power, Surface Mount
DIMENSIONS
L
0.080
[2.03]
Maximum
L
1
0.020 ± 0.005
[0.508 ± 0.127]
CPSM
Vishay Dale
DIMENSIONS in inches [millimeters]
W
W
MODEL
L
± 0.032
[0.813]
H
W
1
CPSM03
CPSM05
0.906
[23.01]
1.060
[26.92]
W
± 0.031
[0.787]
0.374
[9.50]
0.374
[9.50]
L
1
± 0.062
[1.57]
0.480
[12.19]
0.590
[14.99]
1
+ 0.032
[0.813]
- 0.012
[0.305]
0.287
[7.29]
0.287
[7.29]
H
± 0.031
[0.787]
0.374
[9.50]
0.374
[9.50]
SOLDER PAD DIMENSIONS in inches
[millimeters]
200
150
100
Te mperature Rise in °C
50
0
0 1.0 2.0 3.0 4.0 5.0
Temperature Rise
I
b
a
CPSM0 3
CPSM0 5
Power in W
MODEL
ab l
CPSM03
CPSM05
120
100
80
Rated Power in %
60
40
20
0
- 65 - 25 25 75 125 175 225 275
0.420
[10.67]
0.440
[11.18]
40
Derating
MATERIAL SPECIFICATIONS
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 (Lead (Pb)-free version will be 100 % tin)
Part Marking DALE, Model, Wattage, Value, Tolerance, Date Code
0.340
[8.64]
0.340
[8.64]
Ambient Te mperature in ° C
[12.45]
0.380
[9.65]
0.490
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 % + 0.05 Ω)
Short Time Overload 5 x rated power for 5 seconds ± (4.0 % + 0.05 Ω)
Dielectric Withstanding Voltage 1000 V
for one minute ± (2.0 % + 0.05 Ω) ΔR
rms
Low Temperature Operation - 65 °C, full rated working voltage for 45 minutes ± (3.0 % + 0.05 Ω)
Humidity 75 °C, 90 % - 100 % RH, 240 hours ± (5.0 % + 0.05 Ω)
Load Life 1000 hours at rated power, + 40 °C, 1.5 hours “ON”, 0.5 hours “OFF” ± (10.0 % + 0.05 Ω)
Resistance to Solder Heat + 260 °C solder, 10 - 12 second dwell, 25 mm/second emergence ± (4.0 % + 0.05 Ω)
Document Number: 30106 For technical questions, contact: ww2aresistors@vishay.com
Revision: 27-Jun-07 317
Δ
R
Δ
R
Δ
R
Δ
R
Δ
R
Δ
R
www.vishay.com
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Vishay
Disclaimer
All product specifications and data are subject to change without notice.
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(collectively, “Vishay”), disclaim any and all liability for any errors, inaccuracies or incompleteness contained herein
or in any other disclosure relating to any product.
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information provided herein to the maximum extent permitted by law. The product specifications do not expand or
otherwise modify Vishay’s terms and conditions of purchase, including but not limited to the warranty expressed
therein, which apply to these products.
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Document Number: 91000 www.vishay.com
Revision: 18-Jul-08 1
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