VISHAY CPSM-5

CPSM
Vishay Dale
Wirewound Resistors, Commercial Power, Surface Mount
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
STANDARD ELECTRICAL SPECIFICATIONS
MODEL
RESISTANCE RANGE
CPSM-3
POWER RATING
P40°C
W
3
CPSM-5
5
0.1 - 1k
Ω
± 5%, ± 10%
0.1 - 1k
TECHNICAL SPECIFICATIONS
PARAMETER
UNIT
CPSM RESISTOR CHARACTERISTICS
ppm/°C
± 600 below 1.0Ω,
± 300 1.0Ω and above
Short Time Overload
–
5 x rated power for 5 seconds
Operating Temperature
°C
- 65/+ 275
Dielectric Withstanding Voltage
VAC
1000
Maximum Working Voltage
V
(P x R)1/2
Weight (typical)
g
CPSM-3 = 5.5; CPSM-5 = 6.5
Temperature Coefficient
ORDERING INFORMATION
CPSM-5
MODEL
www.vishay.com
112
100Ω
RESISTANCE
Ω
5%
TOLERANCE
±%
For technical questions, contact [email protected]
B31
PACKAGING
B31 = Bulk Pack
Document Number 30106
Revision 07-Feb-02
CPSM
Wirewound Resistors, Commercial Power, Surface Mount
DIMENSIONS
MODEL
Vishay Dale
DIMENSIONS in inches [millimeters]
± 0.032
L
± 0.031
± 0.062
[0.813]
[0.787]
[1.57]
W1
+ 0.032
[0.813]
- 0.012
[0.305]
CPSM-3
0.906
[23.01]
0.374
[9.50]
0.480
[12.19]
0.287
[7.29]
0.374
[9.50]
CPSM-5
1.060
[26.92]
0.374
[9.50]
0.590
[14.99]
0.287
[7.29]
0.374
[9.50]
W
L
W
L1
H
0.080
[2.03]
Maximum
0.020 ± 0.005
[0.508 ± 0.127]
L1
W1
MODEL
I
a
b
l
CPSM-3
0.420
[10.67]
0.340
[8.64]
0.380
[9.65]
CPSM-5
0.440
[11.18]
0.340
[8.64]
0.490
[12.45]
150
CPSM-5
100
Rated Power in %
Temperature Rise in °C
200
[0.787]
SOLDER PAD DIMENSIONS in inches [millimeters]
b
a
H
± 0.031
120
100
80
60
CPSM-3
40
50
20
0
0
1.0
2.0
3.0
4.0
Power in W
Temperature Rise
0
5.0
-65
-25
25 40
Derating
75
125
175
225
275
Ambient Temperature in °C
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
Part Marking
DALE, Model, Wattage, Value, Tolerance, Date Code
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
Dielectric Withstanding Voltage 1000Vrms for one minute
± (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
Document Number 30106
Revision 07-Feb-02
For technical questions, contact [email protected]
www.vishay.com
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