CMF (Military RN and RL)
Vishay Dale
Metal Film Resistors, Military, MIL-R-10509 Qualified,
Precision, Type RN and MIL-PRF-22684 Qualified, Type RL
FEATURES
• Very low noise (- 40 dB)
• Very low voltage coefficient (5 ppm/V)
• Controlled temperature coefficient
• Flame retardant epoxy coating
• Commercial alternatives to military styles are available
with higher power ratings. See appropriate catalog or web
page.
STANDARD ELECTRICAL SPECIFICATIONS
POWER
RESISTANCE RANGE
RATING
Ω
MAX.
VISHAY
MIL
DIELECTRIC
TOLERANCE WORKING
MIL
MIL-R-10509
DALE
SPEC.
MIL- STRENGTH
(1)
±%
VOLTAGE
STYLE
MODEL
SHEET P70 °C P125 °C
VAC
V
± 100 ppm/°C ± 50 ppm/°C ± 25 ppm/°C PRFW
W
22684
(D)
(C)
(E)
CMF50
RN50
08
-
0.05
0.1, 0.25,
0.5, 1
200
-
CMF55
RN55
07
0.125
0.10
0.1, 0.25,
0.5, 1
200
10 to 301K
CMF60
RN60
01
0.25
0.125
0.1, 0.25,
0.5, 1
300
10 to 1M
CMF65
RN65
02
0.50
0.25
0.1, 0.25,
0.5, 1
350
10 to 2M
49.9 to 1M
CMF70
RN70
03
0.75 (2)
0.50
0.1, 0.25,
0.5, 1
500
10 to 2.49M
CMF07
RL07
01
0.25
-
2, 5
250
CMF20
RL20
02
0.50
-
2, 5
350
10 to 100K
10 to 100K
-
450
49.9 to 100K 49.9 to 100K
-
450
49.9 to 499K 49.9 to 499K
-
500
49.9 to 1M
-
900
24.9 to 1M
24.9 to 1M
-
900
-
-
-
51 to
150K
450
-
-
-
4.3 to
470K
700
Notes
(1) Continuous working voltage shall be P x R or maximum working voltage, whichever is less.
(2) Formerly rated at 1 W and is the direct replacement for RN70 of MIL-R-10509 Rev. D.
TECHNICAL SPECIFICATIONS
PARAMETER
UNIT
CONDITION
Voltage Coefficient
ppm/V
5 when measured between 10 % and full rated voltage
Insulation Resistance
Ω
≥ 1010 min. dry; ≥ 108 min. after moisture test
Operating Temperature Range
°C
- 65/+ 175 (see derating curves for military range)
Terminal Strength
Ib
5 pound pull test for RL07/RL20; 2 pound pull test for all others
Solderability
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48
Continuous satisfactory coverage when tested in accordance
with MIL-R-10509 and MIL-PRF-22684
For technical questions, contact: ff2aresistors@vishay.com
Document Number: 31027
Revision: 11-Mar-10
CMF (Military RN and RL)
Vishay Dale
Metal Film Resistors, Military, MIL-R-10509 Qualified,
Precision, Type RN and MIL-PRF-22684 Qualified, Type RL
% OF RATED POWER
Vishay Dale CMF resistors have an operating temperature range of - 65 °C to + 175 °C. They must be derated according to the
following curves:
120
100
MIL-R-10509
Char. C and E Rating
MIL-R-10509
Char. D Rating
80
60
40
20
MIL-PRF-22684
0
50
70
90
110
130
150
170
AMBIENT TEMPERATURE °C
DERATING
DIMENSIONS in inches (millimeters)
1.50 ± 0.125
[38.10 ± 3.18]
A
D
C
(Max.)
VISHAY DALE
MODEL
CMF50
CMF55
CMF60
CMF65
CMF70
CMF07
CMF20
B
A
B
C
(Max.)
D
0.150 ± 0.020
(3.81 ± 0.51)
0.240 ± 0.020
(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)
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)
0.244
(6.20)
0.278
(7.06) (1)
0.425
(10.80)
0.687
(17.45)
0.687
(17.45)
0.278
(7.06)
0.425
(10.80)
0.016 ± 0.002
(0.41 ± 0.05)
0.025 ± 0.002
(0.64 ± 0.05)
0.025 ± 0.002
(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)
Note
(1) 0.290" (7.37) for ± 0.25 % and ± 0.1 % resistance tolerances
MILITARY POWER RATING
MILITARY QUALIFIED
WATTAGE
0.05
0.10
0.125
0.25
0.50
0.75 (1)
MIL-R-10509
AT + 70 °C
(D)
RN55
RN60
RN65
RN70
MIL-PRF-22684
AT + 125 °C
(C and E)
RN50
RN55
RN60
RN65
RN70
-
AT + 70 °C
RL07
RL20
-
Notes
• Commercial equivalents of military styles are available with higher power ratings. Consult factory.
(1) Formerly rated at 1 W and is the direct replacement for RN70 of MIL-R-10509 Rev. D.
www.vishay.com
50
For technical questions, contact: ff2aresistors@vishay.com
Document Number: 31027
Revision: 11-Mar-10
