CPSM-3 [VISHAY]
Wirewound Resistors, Commercial Power, Surface Mount; 线绕电阻器，工业电源，表面贴装
| 型号： | CPSM-3 |
| 厂家： | 
VISHAY |
| 描述： | Wirewound Resistors, Commercial Power, Surface Mount |
| 文件： | 总2页 (文件大小：88K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
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
POWER RATING
P40°C
RESISTANCE RANGE
Ω
± 5%, ± 10%
W
CPSM-3
CPSM-5
3
0.1 - 1k
0.1 - 1k
5
TECHNICAL SPECIFICATIONS
PARAMETER
UNIT
CPSM RESISTOR CHARACTERISTICS
Temperature Coefficient
ppm/°C
± 600 below 1.0Ω,
± 300 1.0Ω and above
Short Time Overload
–
°C
VAC
V
5 x rated power for 5 seconds
- 65/+ 275
Operating Temperature
Dielectric Withstanding Voltage
Maximum Working Voltage
Weight (typical)
1000
(P x R)1/2
g
CPSM-3 = 5.5; CPSM-5 = 6.5
ORDERING INFORMATION
CPSM-5
MODEL
100Ω
RESISTANCE
5%
TOLERANCE
± %
B31
PACKAGING
B31 = Bulk Pack
Ω
www.vishay.com
112
Document Number 30106
Revision 07-Feb-02
For technical questions, contact ww2aresistors@vishay.com
CPSM
Vishay Dale
Wirewound Resistors, Commercial Power, Surface Mount
DIMENSIONS
MODEL
DIMENSIONS in inches [millimeters]
L
W
L1
W1
H
± 0.032
[0.813]
± 0.031
[0.787]
± 0.062
[1.57]
+ 0.032
[0.813]
- 0.012
[0.305]
± 0.031
[0.787]
W
L
H
CPSM-3
CPSM-5
0.906
[23.01]
0.374
[9.50]
0.480
[12.19]
0.287
[7.29]
0.374
[9.50]
W1
L1
0.080
[2.03]
Maximum
0.020 ± 0.005
[0.508 ± 0.127]
1.060
[26.92]
0.374
[9.50]
0.590
[14.99]
0.287
[7.29]
0.374
[9.50]
MODEL
SOLDER PAD DIMENSIONS in inches [millimeters]
a
b
l
I
b
CPSM-3
CPSM-5
0.420
[10.67]
0.340
[8.64]
0.380
[9.65]
a
0.440
[11.18]
0.340
[8.64]
0.490
[12.45]
120
100
200
150
100
50
CPSM-5
80
60
40
20
CPSM-3
0
0
0
1.0
2.0
3.0
4.0
5.0
-65
-25
25
75
125
175
225
275
40
Power in W
Ambient Temperature in °C
Temperature Rise
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
Tin/lead plated steel
Terminals
Part Marking
DALE, Model, Wattage, Value, Tolerance, Date Code
PERFORMANCE
TEST
CONDITIONS OF TEST
TEST LIMITS (EIA RS-344)
± (5.0% + 0.05Ω)∆R
± (4.0% + 0.05Ω)∆R
± (2.0% + 0.05Ω)∆R
± (3.0% + 0.05Ω)∆R
± (5.0% + 0.05Ω)∆R
± (10.0% + 0.05Ω)∆R
± (4.0% + 0.05Ω)∆R
Thermal Shock
- 55°C to + 165°C, 5 cycles, 30 minute dwell time
5 x rated power for 5 seconds
Short Time Overload
Dielectric Withstanding Voltage 1000Vrms for one minute
Low Temperature Operation
Humidity
- 65°C, full rated working voltage for 45 minutes
75°C, 90% - 100% RH, 240 hours
Load Life
1000 hours at rated power, + 40°C, 1.5 hours “ON”, 0.5 hours “OFF”
+ 260°C solder, 10-12 second dwell, 25mm/second emergence
Resistance to Solder Heat
Document Number 30106
Revision 07-Feb-02
www.vishay.com
113
For technical questions, contact ww2aresistors@vishay.com
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