CMF (Military RN and RL)

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Vishay Dale

Revision: 02-Feb-2022

3

Document Number: 31027

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

Vishay Dale CMF resistors have an operating temperature range of -65 °C to +175 °C. They must be derated according to the

following curves:

DIMENSIONS in inches (millimeters)

Note

(1) 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

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

VISHAY DALE

MODEL

AB

C

(MAX.)

D

CMF50

0.150 ± 0.020

(3.81 ± 0.51)

0.065 ± 0.015

(1.65 ± 0.38)

0.244

(6.20)

0.016 ± 0.002

(0.41 ± 0.05)

CMF55

0.240 ± 0.020

(6.10 ± 0.51)

0.090 ± 0.008

(2.29 ± 0.20)

0.290

(7.37)

0.025 ± 0.002

(0.64 ± 0.05)

CMF60

0.344 ± 0.031

(8.74 ± 0.79)

0.145 ± 0.015

(3.68 ± 0.38)

0.425

(10.80)

0.025 ± 0.002

(0.64 ± 0.05)

CMF65

0.562 ± 0.031

(14.27 ± 0.79)

0.180 ± 0.015

(4.57 ± 0.38)

0.687

(17.45)

0.025 ± 0.002

(0.64 ± 0.05)

CMF70

0.562 ± 0.031

(14.27 ± 0.79)

0.180 ± 0.015

(4.57 ± 0.38)

0.687

(17.45)

0.032 ± 0.002

(0.81 ± 0.05)

CMF07

0.240 ± 0.020

(6.10 ± 0.51)

0.090 ± 0.008

(2.29 ± 0.20)

0.290

(7.37)

0.025 ± 0.002

(0.64 ± 0.05)

CMF20

0.375± 0.040

(9.53 ± 1.02)

0.145 ± 0.015

(3.68 ± 0.38)

0.425

(10.80)

0.032 ± 0.002

(0.81 ± 0.05)

MILITARY POWER RATING

WATTAGE

MILITARY QUALIFIED

MIL-R-10509

MIL-PRF-22684

AT +70 °C

(D)

AT +125 °C

(C and E)

AT +70 °C

0.05

-

RN50

-

0.10

-

RN55

-

0.125

RN55

RN60

-

0.25

RN60

RN65

RL07

0.50

RN65

RN70

RL20

0.75 (1)

RN70

-

-

AMBIENT TEMPERATURE °C

120

100

80

60

40

20

0

MIL-R-10509

Char. C and E Rating

MIL-R-10509

Char. D Rating

MIL-PRF-22684

DERATING

170

150

130

110

90

70

50

A

B

D

C

(Max.)

1.50 ± 0.125

(1)

(38.10 ± 3.18)