CPF
Vishay Dale
Metal Film Resistors, Industrial, Power, Flameproof
FEATURES
• High power rating, small size
• Flameproof, high temperature coating
• Special filming and coating processes
• Excellent high frequency characteristics
• Low noise
• Low voltage coefficient
STANDARD ELECTRICAL SPECIFICATIONS
MODEL POWER
RATING
P
70
°
C
W
CPF - 1
CPF - 2
CPF - 3
1
2
3
LIMITING
ELEMENT
VOLTAGE MAX.
V
250
350
500
RESISTANCE RANGE
Ω
VS BEST AVAILABLE TOLERANCE / TC
TOLERANCE
TEMPERATURE
COEFFICIENT
±
2%
T - 00
±
1%
T-0
±
0.5%
T-1
±
0.1%
T-2 / T-9
±
%
0.1, 0.25, 0.5, 1, 5
0.1, 0.25, 0.5, 1, 5
0.1, 0.25, 0.5, 1, 5
ppm/
°
C
200, 150, 100, 50, 25
200, 150, 100, 50, 25
200, 150, 100, 50, 25
R1 - 150K R5 - 150K 1R - 150K 5R - 150K
R1 - 150K R5 - 150K 1R - 150K 5R - 150K
R1 - 150K 1R - 150K 1R - 150K 8R - 150K
• Marking: Print marked - DALE, Model, Resistance value, Tolerance / Temperature Coefficient, Date Code
TECHNICAL SPECIFICATIONS
PARAMETER
Rated Dissipation at 70°C
Limiting Element Voltage
1)
Insulation Voltage
Thermal Resistance
Insulation Resistance
Category Temperature Range
1)
UNIT
W
V
V-
K/W
Ω
°C
CPF - 1
1
250
900
85
CPF - 2
2
350
900
60
10
10
- 65°C / + 230°C
CPF - 3
3
500
900
50
Rated voltage
PxR
ORDERING INFORMATION
CPF - 1
MODEL
CPF 1
CPF 2
CPF 3
5620
RESISTANCE VALUE
Ω
First three digits are significant
(two for a 5% tolerance). Last
digit specifies number of zeros
to follow
Examples:
2211 = 2210 OHMs (1%)
1002 = 10000 OHMs (1%)
103 = 10000OHMs (5%)
F
TOLERANCE
B =
±
0.1%
C =
±
0.25%
D =
±
0.5%
F =
±
1%
G =
±
2%
J =
±
5%
T-1
TEMPERATURE COEFFICIENT
T - 00 =
±
200ppm˚/C
T - 0 =
±
150ppm˚/C
T - 1 =
±
100ppm˚/C
T - 2 =
±
50ppm˚/C
T - 9 =
±
25ppm˚/C
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34
For Technical Questions, contact ff2bresistors@vishay.com
Document Number 31021
Revision 24-Jul-02
CPF
Metal Film Resistors, Industrial, Power, Flameproof
DIMENSIONS
DIMENSIONS
in inches [millimeters]
MODEL
1.50
±
0.125
[38.10
±
3.18]
L
D
Vishay Dale
L
D
L
1
(max.)
0.310
[7.87]
0.425
[10.80]
0.650
[16.51]
d
0.025
±
0.002
[0.64
±
0.05]
0.032
±
0.002
[0.81
±
0.05]
0.032
±
0.002
[0.81
±
0.05]
CPF - 1
0.240
±
0.020 0.090
±
0.008
[6.10
±
0.51] [2.29
±
0.20]
d
L
1
Max.
* 1.08
±
0.125 [27.43
±
3.18] IF TAPE AND REEL
CPF - 2
0.344
±
0.031 0.145
±
0.015
[8.74
±
0.79] [3.68
±
0.38]
CPF - 3
0.555
±
0.041 0.180
±
0.015
[14.10
±
1.04] [4.57
±
.381]
Surface temperatures were taken with an infrared pyrometer in
+ 25°C still air. Resistors were supported by their leads in test clips
at a point .500" [12.70mm] out from the resistor body ends.
SURFACE TEMPERATURE [˚C]
ABOVE AMBIENT [˚C]
% RATED POWER
120
100
80
60
40
20
0
1
2
3
4
5
APPLIED POWER [WATTS]
-055
- 25
0
30
60
70
90
120
150 180
210
240
250
CPF-1
200
150
100
50
0
CPF-2
CPF-3
AMBIENT TEMP. IN ˚C
SURFACE TEMPERATURE VS POWER
DERATING
MATERIAL SPECIFICATIONS
Element:
Core:
Coating:
Termination:
Proprietary nickel - chrome alloy.
Cleaned high purity ceramic
Special high temperature conformal coat.
Standard lead material is solder - coated
Solderable and weldable per
MIL -STD-1276, Type C
MECHANICAL SPECIFICATIONS
Terminal Strength:
Solderability:
2 pound pull test.
Continuous satisfactory coverage when
tested in accordance with
MIL -STD - 202, Method 208
PERFORMANCE
TEST
Thermal Shock
Short Time Overload
Low Temperature Operation
Moisture Resistance
Resistance To Soldering Heat
Shock
Vibration
Terminal Strength
Dielectric Withstanding Voltage
Life
MAX.
∆
R (Typical Test Lots)
±
1.0%
±
0.5%
±
0.5%
±
1.5%
±
0.5%
±
0.5%
±
0.5%
±
0.5%
±
0.5%
±
2.0%
Document Number 31021
Revision 24-Jul-02
For Technical Questions, contact ff2bresistors@vishay.com
www.vishay.com
35
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