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CPCL, CPCC, CPCP, CPCF
Vishay Dale
Document Number 30218
Revision 28-Aug-02 For technical questions, contact ww2aresistors@vishay.com
DIMENSIONS
Wirewound Resistors, Commercial Power, Vertical Mount
MATERIAL SPECIFICATIONS
Part Marking: DALE: Model, Wattage, Value, Tolerance,
Date Code
CPCL: Element: Self-supporting copper-nickel alloy or
nickel-chrome alloy, depending on resistance value
Body: Steatite ceramic case with inorganic potting compound
Terminals: Tinned copper
CPCC: Element: Copper-nickel alloy or nickel-chrome alloy,
depending on resistance value
Core: Woven fiberglass
Body: Steatite ceramic case with inorganic potting compound
End Caps: Tin plated steel
Terminals: Tinned copper
CPCP: Element: Copper-nickel alloy or nickel-chrome alloy,
depending on resistance value
Core: Ceramic
Body: Steatite ceramic case with inorganic potting compound
End Caps: Stainless steel
Terminals: Tinned Copperweld®
CPCF: Element: Metal film - nickel-chrome alloy
Core: Alumina ceramic
Body: Steatite ceramic case with inorganic potting compound
End Caps: Brass alloy
Terminals: Solder-coated copper
E
D
A
0.177 + 0.078
- 0.039
[4.50 + 1.98
- 0.991]
C
B
MODEL DIMENSIONS in inches [millimeters]
A BCDE
± 0.031 ± 0.031
+ 0.043 [1.09]
± 0.005 ± 0.040
[0.794] [0.794]
-0.012 [0.305]
[0.127] [1.02]
CPCL-2 0.807 0.433 0.276 0.032 0.197
CPCC-2 [20.50] [11.00] [7.01] [0.813] [5.00]
CPCP-2
CPCF-2
CPCL-3 0.984 0.472 0.315 0.032 0.197
CPCC-3 [24.99] [11.99] [8.00] [0.813] [5.00]
CPCP-3
CPCF-3
CPCL-5 1.003 0.512 0.354 0.032 0.197
CPCC-5 [25.48] [13.00] [8.99] [0.813] [5.00]
CPCP-5
CPCF-5
CPCL-10 1.372 0.633 0.485 0.040 0.290
CPCP-10 [34.85] [16.08] [12.32] [1.02] [7.37]
CPCC-10 0.036
[0.914]
PERFORMANCE
TEST CONDITIONS OF TEST CPCP TEST LIMITS CPCC, CPCL, CPCF
TEST LIMITS
Thermal Shock - 55°C to + 275°C, 5 cycles, 30 minute dwell time ± (2.0% + 0.05Ω)∆R± (5.0% + 0.05Ω)∆R
Short Time Overload 5 x rated power for 5 seconds ± (2.0% + 0.05Ω)∆R± (4.0% + 0.05Ω)∆R
Dielectric Withstanding Voltage 1000Vrms for one minute ± (0.1% + 0.05Ω)∆R± (2.0% + 0.05Ω)∆R
Low Temperature Operation - 65°C, full rated working voltage for 45 minutes ± (2.0% + 0.05Ω)∆R± (3.0% + 0.05Ω)∆R
Bias Humidity 75°C, 90% - 100% RH, 240 hours ± (2.0% + 0.05Ω)∆R± (5.0% + 0.05Ω)∆R
Load Life 1000 hours at rated power, + 70°C, 1.5 hours “ON”, 0.5 hours “OFF” ± (5.0% + 0.05Ω)∆R± (5.0% + 0.05Ω)∆R
Terminal Strength 5 to 10 second 10 pound pull test ± (1.0% + 0.05Ω)∆R± (1.0% + 0.05Ω)∆R
Resistance to Solder Heat Terminal immersed 3.5 seconds in molten solder up to body ± (1.0% + 0.05Ω)∆R± (1.0% + 0.05Ω)∆R
AMBIENT TEMPERATURE IN °C
Derating
RATED POWER IN %
CPCL
CPCC
CPCP
CPCF
-65 -25 25 75 125 175 225 275
70
0
20
40
60
80
100
120