CUI DEVICES | SERIES: CFM-40CF | DESCRIPTION: DC AXIAL FAN

date 08/12/2022 | page 2 of 7

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INPUT

parameter

conditions/description

min

typ

max

units

operating input voltage7

5 Vdc input models

24 Vdc input models

4.5

21.6

5

24

5.5

26.4

Vdc

Vdc

starting voltage

5 Vdc input models

24 Vdc input models

4.5

14.0

Vdc

Vdc

Note:

7. See Model section on page 1 for specific input voltage ranges.

PERFORMANCE8

parameter

conditions/description

min

typ

max

units

rated speed

at rated voltage, 25°C, after 3 minutes

3,500

9,500

RPM

air flow

at 0 inch H

2O, see performance curves

4.38

11.88

CFM

static pressure

at 0 CFM, see performance curves

0.06

0.41

inch H

2O

noise

at 1 m, rated speed

11.4

34.2

dBA

Note:

8. See Model section on page 1 for specific values.

PROTECTIONS / FEATURES9

parameter

conditions/description

min

typ

max

units

auto restart

only available on 7,500 and 9,500 RPM models

polarity protection

only available on 3,500 and 5,500 RPM models

tachometer signal

available on “20” and “22” models

PWM control signal

available on “22” models

Notes:

9. See Application Notes for details.

SAFETY & COMPLIANCE

parameter

conditions/description

min

typ

max

units

insulation resistance

at 500 Vdc between frame and positive terminal

10

MΩ

dielectric strength

at 500 Vac, 60 Hz, 1 minute between housing and positive

terminal

5

mA

safety approvals

UL/cUL 507, TUV (EN/IEC 62368-1:2020+A11)

EMI/EMC

EN 55032:2015, EN 55035:2017

life expectancy

at 40°C, 65% RH, 90% confidence level

40,000

hours

RoHS

yes

ENVIRONMENTAL

parameter

conditions/description

min

typ

max

units

operating temperature

-10

70

°C

storage temperature

-40

75

°C

operating humidity

non-condensing

35

85

%

storage humidity

non-condensing

35

85

%

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