CMF Military
Vishay Dale
Metal Film Resistors
Military, MIL-R-10509 Qualified, Type RN
Military, MIL-PRF-22684 Qualified, Type RL
FEATURES
•
•
•
•
•
•
Very low noise
Very low voltage coefficient
Controlled temperature coefficient
Excellent high frequency characteristics
Flame retardant epoxy coating
Commercial alternatives to military styles are available with
higher power ratings. See appropriate catalog or web page
STANDARD ELECTRICAL SPECIFICATIONS
MODEL
MAXIMUM
WORKING
VOLTAGE
200
200
250
300
350
350
500
—
10 - 301k
—
10 - 1M
—
10 - 2M
10 - 2.49M
VISHAY DALE
®
MILITARY APPROVED VALUE RANGE
(
Ω
)
MIL-R-10509
CHARACTERISTIC D CHARACTERISTIC C
CMF-50
CMF-55
CMF-07
CMF-60
CMF-20
CMF-65
CMF-70
10 - 100k
49.9 - 100k
—
49.9 - 499k
—
49.9 - 1M
24.9 - 1M
CHARACTERISTIC E
10 - 100k
49.9 - 100k
—
49.9 - 499k
—
49.9 - 1M
24.9 - 1M
MIL-PRF-22684
—
—
51 - 150k
—
4.3 - 470k
—
—
450
450
450
500
700
900
900
DIELECTRIC
STRENGTH
VAC
Vishay Dale commercial value range: Extended resistance ranges are available in commercial equivalent types. Please contact us by using
the email at the bottom of this page.
TECHNICAL SPECIFICATIONS
PARAMETER
Voltage Coefficient
Insulation Resistance
Operating Temperature Range
Terminal Strength
Solderability
UNIT
ppm/V
Ω
°C
lb
CONDITION
5 when measured between 10% and full rated voltage
≥
10
10
minimum dry;
≥
10
8
minimum after moisture test
- 65 / + 175 (See derating curves for military range)
5 pound pull test for RL07/RL20; 2 pound pull test for all others
Continuous satisfactory coverage when tested in accordance with
MIL-R-10509 and MIL-PRF-22684
ORDERING INFORMATION - MILITARY PART NUMBER
RN
MIL. TYPE
Per MIL-R-10509
60
SIZE
50 65
55 70
60
07
SIZE
07
20
D
CHARACTERISTIC
E =
±
25ppm/°C
C =
±
50ppm/°C
*D = + 200ppm/°C
- 500ppm/°C
S
LEAD
S=
Solderable
3483
VALUE
First three digits are significant
figures. Last digit specifies the
number of zeros to follow.
(348 kilohm illustrated.)
471
VALUE
First two digits are significant
figures. Last digit specifies the
number of zeros to follow.
(470 ohm illustrated.)
F
TOLERANCE
B =
±
0.1%
C =
±
0.25%
D =
±
0.5%
F =
±
1%
J
TOLERANCE
G =
±
2%
J =
±
5%
RL
MIL. TYPE
Per MIL-PRF-22684
*Vishay Dale supplies
±
100ppm parts for characteristic D.
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48
For Technical Questions, contact ff2aresistors@vishay.com
Document Number: 31027
Revision 25-Oct-00
CMF Military
Metal Film Resistors, MIL Qualified
DIMENSIONS
in inches [millimeters]
1.50
±
.125
[38.10
±
3.18]
A
Vishay Dale
C
Max.
D
B
MODEL
CMF-50
CMF-55
CMF-60
CMF-65
CMF-70
CMF-07
CMF-20
A
.150
±
.020
[3.81
±
.508]
.240
±
.020
[6.10
±
.508]
.344
±
.031
[8.74
±
.787]
.562
±
.031
[14.27
±
.787]
.562
±
.031
[14.27
±
.787]
.240
±
.020
[6.10
±
.508]
.375
±
.040
[9.53
±
1.02]
B
.065
±
.015
[1.65
±
.381]
.090
±
.008
[2.29
±
.203]
.145
±
.015
[3.68
±
.381]
.180
±
.015
[4.57
±
.381]
.180
±
.015
[4.57
±
.381]
.090
±
.008
[2.29
±
.203]
.145
±
.015
[3.68
±
.381]
C
(Max.)
.244
[6.20]
.278
[7.06]*
.425
[10.80]
.687
[17.45]
.687
[17.45]
.278
[7.06]
.425
[10.80]
D
.016
±
.002
[.406
±
.051]
.025
±
.002
[.635
±
.051]
.025
±
.002
[.635
±
.051]
.025
±
.002
[.635
±
.051]
.032
±
.002
[.813
±
.051]
.025
±
.002
[.635
±
.051]
.032
±
.002
[.813
±
.051]
* .290" [7.37mm] for
±
0.25% and
±
0.1% resistance tolerances.
MATERIAL SPECIFICATIONS
Element:
Coating:
Nickel-chrome alloy
Flame retardant epoxy, formulated for superior
moisture protection
Fire-cleaned high purity ceramic
ENVIRONMENTAL SPECIFICATIONS
General:
Environmental performance is shown in the
Environmental Performance table. Test
methods are those specified in
MIL-R-10509 and MIL-PRF-22684.
Resistance shifts due to storage at room
temperature are negligible.
Core:
Termination:
Shelf Life:
Standard lead material is solder-coated copper
Solderable and weldable.
APPLICABLE MIL-SPECS
MIL-R-10509 and MIL-PRF-22684:
The CMF models meet
or exceed the electrical, environmental and dimensional
requirements of MIL-R-10509 and MIL-PRF-22684.
Noise:
Vishay Dale metal film resistors have exceptionally
low noise level. Average for standard resistance range is
0.10 micro-volt per volt over a decade of frequency, with low
and intermediate resistance values typically below 0.05
micro-volt per volt.
Vishay Dale CMF resistors have an operating temperature range of
- 65°C to +175°C. They must be derated according to the following
curves:
% OF RATED POWER
120
100
80
60
40
20
MIL-PRF-22684
MIL-R-10509
Char. D Rating
MIL-R-10509
Char. C & E Rating
0
50
70
90
110
130
150
170
AMBIENT TEMPERATURE
°
C
DERATING
Document Number: 31027
Revision 25-Oct-00
For Technical Questions, contact ff2aresistors@vishay.com
www.vishay.com
49
CMF Military
Vishay Dale
MILITARY POWER RATING
MILITARY QUALIFIED
MIL-R-10509
WATTAGE
0.05
0.10
0.125
0.25
0.50
1.0
@ + 70
°
C
(D)
Metal Film Resistors, MIL Qualified
@ + 125
°
C
(C & E)
MIL-PRF-22684
@ + 70
°
C
—
—
—
CMF-07 (RL07)
CMF-20 (RL20)
—
—
—
CMF-55 (RN55)
CMF-60 (RN60)
CMF-65 (RN65)
CMF-70 (RN70)
CMF-50 (RN50)
CMF-55 (RN55)
CMF-60 (RN60)
CMF-65 (RN65)
CMF-70 (RN70)
—
Note:
Commercial equivalents of military styles are available with higher power ratings. Consult factory.
100
80
HEAT RISE (
°
C)
60
3/4 W
40
1/2 W
1/2 W
1/4 W
20
1/8 W
1/10W
0
CMF-55
CMF-07
CMF-60
CMF-20
CMF-65
CMF-70
1/4 W
1/4 W
1/8 W
HEAT RISE
The increase in resistor surface temperature due to
rated load is shown in the chart above. Resistor
temperature = heat rise + ambient temperature.
TEMPERATURE COEFFICIENT CODE
VISHAY DALE
TEMPERATURE COEFFICIENT CODE
T-1
T-2
T-9
T-00
TEMPERATURE
COEFFICIENT
0
±
100ppm/°C
0
±
50ppm/°C
0
±
25ppm/°C
0
±
200ppm/°C
TEMPERATURE
RANGE
- 55°C to + 175°C
- 55°C to + 175°C
- 55°C to + 175°C
- 55°C to + 150°C
www.vishay.com
50
For Technical Questions, contact ff2aresistors@vishay.com
Document Number: 31027
Revision 25-Oct-00
CMF Military
Metal Film Resistors, MIL Qualified
MARKING
Vishay Dale
— RN, per MIL-R-10509
— RL, per MIL-PRF-22684
PERFORMANCE
MIL-R-10509
REQUIREMENT
RN50
RN55
RN60
RN65
RN70
RL07
RL20
MIL. Temperature Coefficient
Applicable Vishay Dale
®
TC Code
POWER RATING
RN50
RN55
RN60
RN65
RN70
RL07
RL20
TEST
Thermal Shock
Short Time Overload
Low Temperature Operation
Moisture Resistance
Shock
Vibration
Load Life
Dielectric Withstanding Voltage
Effect of Solder
CHARACTERISTIC D
CMF-50
CMF-55
CMF-60
CMF-65
CMF-70
—
—
+ 200 - 500ppm/°C
T-1 (100ppm/°C)
@ + 70
°
C
—
0.125 Watt
0.25 Watt
0.5 Watt
0.75 Watt
—
—
MIL.
(Max.)
±
0.50%
∆R
±
0.50%
∆R
±
0.50%
∆R
±
1.50%
∆R
±
0.50%
∆R
±
0.50%
∆R
±
1.00%
∆R
±
0.50%
∆R
±
0.50%
∆R
CHARACTERISTIC C
CMF-50
CMF-55
CMF-60
CMF-65
CMF-70
—
—
±
50ppm/°C
T-2 (50ppm/°C)
@ + 125
°
C
0.05Watt
0.10 Watt
0.125 Watt
0.25 Watt
0.50 Watt
—
—
MIL.
(Max.)
±
0.25%
∆R
±
0.25%
∆R
±
0.25%
∆R
±
0.50%
∆R
±
0.25%
∆R
±
0.25%
∆R
±
0.50%
∆R
±
0.25%
∆R
±
0.10%
∆R
CHARACTERISTIC E
CMF-50
CMF-55
CMF-60
CMF-65
CMF-70
—
—
±
25ppm/°C
T-9 (25ppm/°C)
@ + 125
°
C
0.05 Watt
0.10 Watt
0.125 Watt
0.25 Watt
0.50 Watt
—
—
MIL.
(Max.)
±
0.25%
∆R
±
0.25%
∆R
±
0.25%
∆R
±
0.50%
∆R
±
0.25%
∆R
±
0.25%
∆R
±
0.50%
∆R
±
0.25%
∆R
±
0.10%
∆R
MIL-PRF-22684
—
—
—
—
—
CMF-07
CMF-20
±
200ppm/°C
T-00 (± 200ppm/°C)
@ + 70
°
C
—
—
—
—
—
0.25 Watt
0.5 Watt
MIL.
(Max.)
±
1.00%
∆R
±
0.50%
∆R
±
0.50%
∆R
±
1.50%
∆R
±
0.50%
∆R
±
0.50%
∆R
±
2.00%
∆R
±
0.50%
∆R
±
0.50%
∆R
Document Number: 31027
Revision 25-Oct-00
For Technical Questions, contact ff2aresistors@vishay.com
www.vishay.com
51
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