Metal Film Resistors, Industrial Power, Flameproof
CPF
Vishay Dale
www.vishay.com For technical questions, contact: ff2bresistors@vishay.com Document Number: 31021
98 Revision: 05-Oct-05
FEATURES
•High power rating, small size
•Flameproof. high temperature coating
•Special filming and coating processes
•Excellent high frequency characteristics
•Low noise
•Low voltage coefficient
•Lead (Pb)-free version is RoHS compliant
Note:
Marking: Print marked - DALE, Model, Resistance value, Tolerance/Temperature Coefficient, Date Code
Note:
(1) Rated Voltage
* Pb containing terminations are not RoHS compliant, exemptions may apply.
Available
Pb-free
RoHS*
COMPLIANT
e3
STANDARD ELECTRICAL SPECIFICATIONS
GLOBAL
MODEL
HISTORICAL
MODEL
POWER
RATING
P70 °C
W
LIMITING
ELEMENT
VOLTAGE
MAX
V≅
RESISTANCE RANGE Ω
0.1 % - 1 % 0.1 % - 5 % 0.5 % - 5 % 1 % - 5 % 1 % 2 % - 5 %
25 ppm 50 ppm 100 ppm 150 ppm 200 ppm 200 ppm
CPF1 CPF-1 1 250 5 - 150K 5 - 150K 1 - 150K R5 - 150K R5 - 150K R1 - 150K
CPF2 CPF-2 2 350 5 - 150K 5 - 150K 1 - 150K R5 - 150K R5 - 150K R1 - 150K
CPF3 CPF-3 3 500 8 - 150K 8 - 150K 1 - 150K 1 - 150K 1 - 150K R1 - 150K
TEMPERATURE COEFFICIENT CODES
GLOBAL TC CODE HISTORICAL TC CODE TEMPERATURE COEFFICIENT
E T-9 25 ppm/°C
H T-2 50 ppm/°C
K T-1 100 ppm/°C
L T-0 150 ppm/°C
N T-00 200 ppm/°C
TECHNICAL SPECIFICATIONS
PARAMETER UNIT CPF1 CPF2 CPF3
Rated Dissipation at 70 °C W 1 2 3
Limiting Element Voltage (1) V≅250 350 500
Insulation Voltage V- 900 900 900
Thermal Resistance K/W 85 60 50
Insulation Resistance Ω1010
Category Temperature Range °C - 65 °C/+ 230 °C
P x R
GLOBAL PART NUMBER INFORMATION
GLOBAL MODEL TOLERANCE TEMPERATURE
CODE COEFFICIENT
CPF1 B = ± 0.1 % E = 25 ppm E14 = Lead (Pb)-free, Bulk
E36 = Lead(Pb)-free, T/R (Full)
EE6 = Lead (Pb)-free,
T/R (1000 pieces)
B14 = Tin/Lead, Bulk
B36 = Tin/Lead, T/R (Full)
BE6 = Tin/Lead, T/R (1000 pieces)
CPF2
R = Decimal
K = Thousand
R10000 = 0.1 Ω
10R000 = 10 Ω
150K00 = 150 Ω
C = ± 0.25 % H = 50 ppm
CPF D = ± 0.5 % K = 100 ppm
F = ± 1 % L = 150 ppm
1 - 999
G = ± 2 % N = 200 ppm
J = ± 5 %
New Global Part Numbering: CPF1562R00FKR36 (preferred part numbering format)
CPF1562R00FKR36
Historical Part Number example: CPF-15620FT-1 R36 (will continue to be accepted)
63R1-TF02651-FPC
HISTORICAL MODEL RESISTANCE VALUE TOLERANCE CODE TEMP. COEFFICIENT PACKAGING
Blank = Standard
(up to 3 digits)
SPECIAL
(Dash Number)
From
as applicable
PACKAGING
RESISTANCE VALUE
CPF
Metal Film Resistors, Industrial Power, Flameproof Vishay Dale
Document Number: 31021 For technical questions, contact: ff2bresistors@vishay.com www.vishay.com
Revision: 05-Oct-05 99
Notes:
(1) 1.08 ± 0.125 [27.43 ± 3.18] if tape and reel
• 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 0.500" [12.70 mm] out from the resistor body ends.
DIMENSIONS
L1 max.
LD
1.50 ± 0.125 (1)
[38.10 ± 3.18]
d
GLOBAL
MODEL
DIMENSIONS in inches [millimeters]
LDL
1 max. d
CPF1 0.240 ± 0.020
[6.10 ± 0.51]
0.090 ± 0.008
[2.29 ± 0.20]
0.310
[7.87]
0.025 ± 0.002
[0.64 ± 0.05]
CPF2 0.344 ± 0.031
[8.74 ± 0.79]
0.145 ± 0.015
[3.68 ± 0.38]
0.425
[10.80]
0.032 ± 0.002
[0.81 ± 0.05]
CPF3 0.555 ± 0.041
[14.10 ± 1.04]
0.180 ± 0.015
[4.57 ± 0.381]
0.650
[16.51]
0.032 ± 0.002
[0.81 ± 0.05]
DERATING
% RATED POWER
SURFACE TEMPERATURE (°C)
ABOVE AMBIENT (°C)
250
200
150
100
50
0
SURFACE TEMPERATURE VS. POWER
01 2345
APPLIED POWER IN W
120
100
80
60
40
20
0
- 55 - 25 0 30 60 90 120 150 180 210 240
AMBIENT TEMP. IN °C
70
CPF1 CPF2 CPF3
MATERIAL SPECIFICATIONS
Element: Proprietary nickel-chrome alloy
Core: Cleaned high purity ceramic
Coating: Special high temperature conformal coat
Termination:
Standard lead material is solder-coated
Solderable and weldable per
MIL-STD-1276, Type C
MECHANICAL SPECIFICATIONS
Terminal Strength: 2 pound pull test
Solderability:
Continuous satisfactory coverage
when tested in accordance with
MIL-STD-202, Method 208
PERFORMANCE
TEST MAX. ΔR (Typical Test Lots)
Thermal Shock ± 1.0 %
Short Time Overload ± 0.5 %
Low Temperature Operation ± 0.5 %
Moisture Resistance ± 1.5 %
Resistance To Soldering Heat ± 0.5 %
Shock ± 0.5 %
Vibration ± 0.5 %
Terminal Strength ± 0.5 %
Dielectric Withstanding Voltage ± 0.5 %
Life ± 2.0 %
Document Number: 91000 www.vishay.com
Revision: 18-Jul-08 1
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