CMF Industrial
www.vishay.com
Vishay Dale
Metal Film Resistors, Axial, Industrial, Precision
FEATURES
•
•
•
•
•
•
•
Small size - conformal coated
Flame retardant epoxy coating
Controlled temperature coefficient
Excellent high frequency characteristics
Exceptionally low noise; typically 0.10 μV/V
Low voltage coefficient to ± 5 ppm/V
Special tolerance and or TC matching
available on request
• Material categorization:
for definitions of compliance please see
www.vishay.com/doc?99912
Available
Available
Note
*
This datasheet provides information about parts that are RoHS-compliant and / or parts that are non-RoHS-compliant. For example, parts
with lead (Pb) terminations are not RoHS-compliant. Please see the information / tables in this datasheet for details.
Vishay Dale Model CMF is also available as Military Qualified Styles RN and RL. See Vishay Dale’s CMF (Military RN and RL)
datasheet (www.vishay.com/doc?31027) for the MIL-SPEC ratings / attributes. (Except for marking, the Industrial and Military
versions are exactly the same).
STANDARD ELECTRICAL SPECIFICATIONS
GLOBAL HISTORICAL
MODEL
MODEL
MAXIMUM
WORKING
VOLTAGE
(1)
V
200
POWER
RATING
P
70 °C (2)
W
0.25
POWER
RATING
P
125 °C (2)
W
0.125
RESISTANCE
RANGE
10 to 2.5M
10 to 2.5M
10 to 2.5M
10 to 22M
10 to 2.5M
10 to 2.5M
10 to 5M
1 to 22.1M
0.5 to 50M
0.5 to 50M
0.1 to 50M
10 to 2.5M
10 to 2.5M
10 to 10M
1 to 10M
0.5 to 10M
0.5 to 10M
0.1 to 10M
10 to 2.5M
10 to 2.5M
10 to 10M
1 to 15M
0.5 to 22M
0.5 to 22M
0.1 to 22M
10 to 2.5M
10 to 2.5M
10 to 10M
1 to 15M
1 to 22M
5 to 5M
1 to 5M
5 to 10M
1 to 10M
TOLERANCE
±%
0.1, 0.25, 0.5, 1
0.1, 0.25, 0.5, 1, 2, 5
1, 2, 5
1, 2, 5
0.1, 0.25, 0.5, 1
0.1, 0.25, 0.5
1, 2, 5
1, 2, 5
1, 2, 5
1
2, 5
0.1, 0.25, 0.5, 1
0.1, 0.25, 0.5
1, 2, 5
1, 2, 5
1, 2, 5
1
2, 5
0.1, 0.25, 0.5, 1
0.1, 0.25, 0.5
1, 2, 5
1, 2, 5
1, 2, 5
1
2, 5
0.1, 0.25, 0.5, 1
0.1, 0.25, 0.5
1, 2, 5
1, 2, 5
1, 2, 5
2, 5
2, 5
2, 5
2, 5
TEMPERATURE
COEFFICIENT
± ppm/°C
25
50
100
150, 200
25
50
50
100
150
200
200
25
50
50
100
150
200
200
25
50
50
100
150
200
200
25
50
50
100
150, 200
100
150, 200
100
150, 200
CMF50
CMF-50
CMF55
CMF-55
250
0.5
0.25
CMF60
CMF-60
500
1
0.5
CMF65
CMF-65
500
1.5
1
CMF70
CMF-70
500
1.75
1.25
CMF07
CMF20
CMF-07
CMF-20
250
500
0.5
1
-
-
Notes
(1)
Continuous working voltage shall be
P
x
R
or maximum working voltage, whichever is less
(2)
See the load life shift due to power and derating table for a summary of the more common combinations of power rating, case size and
ambient operating temperature that prevail in various industrial and military resistor specifications. The “performance” table quantifies the
load life stability under these combinations.
Revision: 16-Sep-16
Document Number: 31018
1
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
CMF Industrial
www.vishay.com
Vishay Dale
GLOBAL PART NUMBER INFORMATION
New Global Part Numbering: CMF55301R00FKRE (preferred part numbering format)
C
GLOBAL MODEL
(See Standard
Electrical
Specifications
table)
M
F
5
5
3
0
1
R
0
0
F
K
R
E
SPECIAL
Blank = standard
(Dash number)
(Up to 3 digits)
From
1 to 999
as applicable
70
= color banded,
5 bands (≤ 1 %)
80
= color banded,
4 bands (≥ 2 %)
88
= hot solder dip
RESISTANCE VALUE
R
=
Ω
K
= kΩ
M
= MΩ
R10000
= 0.1
Ω
680K00
= 680 kΩ
1M0000
= 1.0 MΩ
TOLERANCE
CODE
B
= ± 0.1 %
C
= ± 0.25 %
D
= ± 0.5 %
F
=±1%
G
=±2%
J
=±5%
TEMPERATURE
COEFFICIENT
(1)
E
= 25 ppm
H
= 50 ppm
K
= 100 ppm
L
= 150 ppm
N
= 200 ppm
PACKAGING
EK
= lead (Pb)-free, bulk
EA
= lead (Pb)-free, T/R (full)
EB
= lead (Pb)-free,
T/R (1000 pieces)
BF
= tin/lead, bulk
RE
= tin/lead, T/R (full)
R6
= tin/lead, T/R (1000 pieces)
Historical Part Number example: CMF-553010FT-1 (will continue to be accepted)
CMF-55
HISTORICAL MODEL
3010
RESISTANCE VALUE
F
TOLERANCE CODE
T-1
TEMP. COEFFICIENT
R36
PACKAGING
Notes
• For additional information on packaging, refer to the Through-Hole Resistor Packaging document (www.vishay.com/doc?31544).
(1)
Tolerances of ± 0.5 % (D), ± 0.25 % (C) and ± 0.1 % (B) are available only in 50 ppm and 25 ppm temperature coefficients.
DIMENSIONS
in inches (millimeters)
1.500 ± 0.125
(1)
(38.10 ± 3.18)
A
C
(Max.)
B
D
GLOBAL MODEL
CMF50
CMF55
CMF60
CMF65
CMF70
CMF07
CMF20
(1)
A
0.150 ± 0.020
(3.81 ± 0.51)
0.240 ± 0.020
(3)
(6.10 ± 0.51)
0.344 ± 0.031
(8.74 ± 0.79)
0.562 ± 0.031
(14.27 ± 0.79)
0.562 ± 0.031
(14.27 ± 0.79)
0.240 ± 0.020
(6.10 ± 0.51)
0.375 ± 0.040
(9.53 ± 1.02)
B
0.065 ± 0.015
(1.65 ± 0.38)
0.090 ± 0.008
(2.29 ± 0.20)
0.145 ± 0.015
(3.68 ± 0.38)
0.180 ± 0.015
(4.57 ± 0.38)
0.180 ± 0.015
(4.57 ± 0.38)
0.090 ± 0.008
(2.29 ± 0.20)
0.145 ± 0.015
(3.68 ± 0.38)
C
(Max.)
0.187 (4.75)
0.290 (7.37)
0.425 (10.80)
0.687 (17.45)
0.687 (17.45)
0.290 (7.37)
0.425 (10.80)
D
0.016 ± 0.002
(0.41 ± 0.05)
0.025 ± 0.002
(0.64 ± 0.05)
0.025 ± 0.002
(2)
(0.64 ± 0.05)
0.025 ± 0.002
(0.64 ± 0.05)
0.032 ± 0.002
(0.81 ± 0.05)
0.025 ± 0.002
(0.64 ± 0.05)
0.032 ± 0.002
(0.81 ± 0.05)
Notes
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.
(2)
Available with 0.032" (0.813 mm) lead [CMF60..95]
(3)
0.260" ± 0.020" (6.60 mm ± 0.51 mm) for values > 5 M
TECHNICAL SPECIFICATIONS
PARAMETER
Maximum Working Voltage
Insulation Voltage (1 Min)
Voltage Coefficient (Max.)
Dielectric Strength
Insulation Resistance
Operating Temperature Range
Terminal Strength (Pull Test)
Noise
Weight (Max.)
Revision: 16-Sep-16
UNIT
V
V
eff
ppm/V
V
AC
°C
lb
dB
g
CMF50
200
CMF60
CMF20
CMF65
CMF70
500
500
500
500
> 500
± 5 (measured between 10 % and full rated voltage)
450
450
450
750
750
900
900
11
10
-55 to +175
2
2
5
2
5
2
5
0.10 μV/V over a decade of frequency, with low and intermediate resistance values typically
below 0.05 μV/V
0.12
0.28
0.28
0.50
0.60
1.00
1.10
CMF55
250
CMF07
250
Document Number: 31018
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
CMF Industrial
www.vishay.com
Vishay Dale
HISTORICAL TC CODE
T-9
T-2
T-1
T-0
T-00
TEMPERATURE COEFFICIENT
25 ppm/°C
50 ppm/°C
100 ppm/°C
150 ppm/°C
200 ppm/°C
TEMPERATURE COEFFICIENT CODES
GLOBAL TC CODE
E
H
K
L
N
LOAD LIFE SHIFT DUE TO POWER AND DERATING (AT +70 °C AND AT +125 °C)
The power rating for the CMF parts is tied to the derating temperature, the heat rise of the parts, and the
R
for the load life performance.
When the tables/graphs below are used together they show that when the parts are run at their higher power ratings, the parts will run hotter,
which has the potential of causing the resistance of the parts to shift more over the life of the part.
LOAD LIFE SHIFT VS. POWER RATING
LOAD LIFE
MODEL
CMF50
CMF55, CMF07
CMF60, CMF20
CMF65
CMF70
MAXIMUM
R
(TYPICAL TEST LOTS)
± 0.15 %
1/20 W and 1/10 W
1/10 W and 1/8 W
1/8 W and 1/4 W
1/4 W and 1/2 W
1/4 W and 1/2 W
± 0.5 %
1/8 W
1/4 W
1/2 W
3/4 W
3/4 W
± 1.0 %
1/4 W
1/2 W
3/4 W and 1 W
1 W and 1-1/2 W
1 W and 1-3/4 W
± 0.15 %
1/20 W
1/10 W
1/8 W
1/4 W
1/4 W
± 0.5 %
1/10 W
1/8 W
1/4 W
1/2 W
1/2 W
± 1.0 %
1/8 W
1/4 W
1/2 W
3/4 W and 1 W
3/4 W and 1-1/4 W
POWER RATING AT +70 °C
POWER RATING AT +125 °C
CMF resistors have an operating temperature range of -55 °C to +175 °C. They must be derated at high ambient temperatures according to
the derating curve.
RATED POWER IN %
HEAT RISE (°C ABOVE AMBIENT)
120
100
80
60
40
20
0
- 55 - 50 - 25
0
25
50
70 75 100
125
150 165 175 200
120
100
80
60
40
20
0
0
CMF50
CMF55,
CMF07
CMF60,
CMF20
CMF65,
CMF70
0.125
0.25
0.375
0.5
0.625
0.75
0.875
1
1.125
DERATING
AMBIENT TEMPERATURE IN °C
APPLIED POWER IN W
THERMAL RESISTANCE
Example:
When a CMF55 part is run at 1/8 W in a 70 °C ambient environment, the resistor will generate enough heat that the surface temperature of
the part will reach about 19 °C over the ambient temperature, and over the life of the part this could cause the resistance value to shift up to
± 0.15 %.
If the same resistor was instead run at 1/4 W in a 70 °C environment, the element will heat up to about 30 °C over ambient, and over the life
of the part the resistance value could shift roughly ± 0.5 %.
And if the resistor was run at it maximum power rating of 1/2 W in a 70 °C environment, it will heat up to about 58 °C over ambient, and you
could see the resistance value shift roughly ± 1 % over the life of the part.
MATERIAL SPECIFICATIONS
Element
Core
Vacuum-deposited nickel-chrome alloy
Fire-cleaned high purity ceramic
Coating
Solderability
Flame retardant epoxy, formulated for superior
moisture protection
Continuous satisfactory coverage when tested
in accordance with MIL-R-10509
Revision: 16-Sep-16
Document Number: 31018
3
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
CMF Industrial
www.vishay.com
SPECIAL MODIFICATIONS
1. Terminals may be supplied in any commercial material with several type finishes.
2. Special pre-conditioning (power aging, temperature cycling, etc.) to customer specifications.
3. Non-helixed resistors can be supplied for critical high frequency applications.
4. Fusible, flameproof versions available.
Vishay Dale
MARKING
Temperature coefficient: T00 = 200 ppm, T0 = 150 ppm, T1 = 100 ppm, T2 = 50 ppm, T9 = 25 ppm
CMF50: (3 lines)
3.01
K1%
1208
Value
Ohm, K or M sign and Tolerance
4-digit date code
CMF55, CMF60, CMF65, CMF70: (4 lines)
CMF55
49.9 k
1 % T2
1208
Style and size
Value
Tolerance and TC
4-digit date code
Note
• CMF07 and CMF20 parts are marked with color bands, either per MIL-PRF-22684 (with a wide white band) or using commercial color bands.
CMFxx..70 and CMFxx..80 parts are marked using commercial color bands.
PERFORMANCE
TEST
(TEST METHODS - MIL-STD-202)
Short Time Overload
Low Temperature Operation
Moisture Resistance
Shock
Vibration
Temperature Cycling
Load Life
Dielectric Withstanding Voltage
Effect of Solder
AT +70 °C
± 0.05 %
± 0.05 %
± 0.05 %
± 0.01 %
± 0.04 %
± 0.15 %
± 0.01 %
± 0.03 %
AT +125 °C
MAXIMUM
R
(TYPICAL TEST LOTS)
± 0.05 %
± 0.05 %
± 0.05 %
± 0.01 %
± 0.04 %
± 0.15 %
± 0.01 %
± 0.03 %
Varies based on power rating used; see load life shift due to power and derating table
Revision: 16-Sep-16
Document Number: 31018
4
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
Legal Disclaimer Notice
www.vishay.com
Vishay
Disclaimer
ALL PRODUCT, PRODUCT SPECIFICATIONS AND DATA ARE SUBJECT TO CHANGE WITHOUT NOTICE TO IMPROVE
RELIABILITY, FUNCTION OR DESIGN OR OTHERWISE.
Vishay Intertechnology, Inc., its affiliates, agents, and employees, and all persons acting on its or their behalf (collectively,
“Vishay”), disclaim any and all liability for any errors, inaccuracies or incompleteness contained in any datasheet or in any other
disclosure relating to any product.
Vishay makes no warranty, representation or guarantee regarding the suitability of the products for any particular purpose or
the continuing production of any product. To the maximum extent permitted by applicable law, Vishay disclaims (i) any and all
liability arising out of the application or use of any product, (ii) any and all liability, including without limitation special,
consequential or incidental damages, and (iii) any and all implied warranties, including warranties of fitness for particular
purpose, non-infringement and merchantability.
Statements regarding the suitability of products for certain types of applications are based on Vishay’s knowledge of
typical requirements that are often placed on Vishay products in generic applications. Such statements are not binding
statements about the suitability of products for a particular application. It is the customer’s responsibility to validate that a
particular product with the properties described in the product specification is suitable for use in a particular application.
Parameters provided in datasheets and / or specifications may vary in different applications and performance may vary over
time. All operating parameters, including typical parameters, must be validated for each customer application by the customer’s
technical experts. Product specifications do not expand or otherwise modify Vishay’s terms and conditions of purchase,
including but not limited to the warranty expressed therein.
Except as expressly indicated in writing, Vishay products are not designed for use in medical, life-saving, or life-sustaining
applications or for any other application in which the failure of the Vishay product could result in personal injury or death.
Customers using or selling Vishay products not expressly indicated for use in such applications do so at their own risk.
Please contact authorized Vishay personnel to obtain written terms and conditions regarding products designed for
such applications.
No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this document
or by any conduct of Vishay. Product names and markings noted herein may be trademarks of their respective owners.
© 2017 VISHAY INTERTECHNOLOGY, INC. ALL RIGHTS RESERVED
Revision: 08-Feb-17
1
Document Number: 91000
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