CPF
Vishay Dale
www.vishay.com
TEMPERATURE COEFFICIENT CODES
GLOBAL TC CODE
HISTORICAL TC CODE
TEMPERATURE COEFFICIENT
E
H
K
L
T-9
T-2
25 ppm/°C
50 ppm/°C
100 ppm/°C
150 ppm/°C
200 ppm/°C
T-1
T-0
N
T-00
TECHNICAL SPECIFICATIONS
PARAMETER
UNIT
W
CPF1
1
CPF2
2
CPF3
3
Rated Dissipation at 70 °C
Limiting Element Voltage (1)
Insulation Voltage
V
250
900
85
350
900
60
500
900
50
Veff
K/W
Thermal Resistance
Insulation Resistance
1010
Category Temperature Range
°C
-65 °C/+230 °C
Note
(1)
Rated voltage P x R
DIMENSIONS
DIMENSIONS in inches (millimeters)
L1 max. d
GLOBAL
MODEL
1.50 0.125 (2)
(38.10 3.18)
L
L
D
D
0.240 0.020 0.090 0.008 0.310 0.025 0.002
(6.10 0.51) (2.29 0.20) (7.87) (0.64 0.05)
CPF1
CPF2
CPF3
0.344 0.031 0.145 0.015 0.425 0.032 0.002
(8.74 0.79) (3.68 0.38) (10.80) (0.81 0.05)
d
L1 max.
Note
0.555 0.041 0.180 0.015 0.650 0.032 0.002
(14.10 1.04) (4.57 0.381) (16.51) (0.81 0.05)
(2)
Lead length for product in bulk pack. For product supplied in
tape and reel, the actual lead length would be based on the body
size, tape spacing and lead trim.
120
100
80
250
CPF2
CPF3
CPF1
200
150
100
50
60
40
20
0
- 55 - 25
0
30
60
70
90 120 150 180
210 240
0
AMBIENT TEMP. IN °C
0
1
2
3
4
5
APPLIED POWER IN W
DERATING
THERMAL RESISTANCE
Note
•
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.
MATERIAL SPECIFICATIONS
MECHANICAL SPECIFICATIONS
Element
Proprietary nickel-chrome alloy
Terminal Strength
2 pound pull test
Core
Cleaned high purity ceramic
Coating
Special high temperature conformal coat
Continuous satisfactory coverage
when tested in accordance with
MIL-STD-202, Method 208
Standard lead material is solder-coated
Solderable and weldable per
MIL-STD-1276, Type C
Solderability
Termination
Revision: 11-Sep-13
Document Number: 31021
2
For technical questions, contact: ff2aresistors@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000