date 06/12/2019

page 1 of 5

cui.com

MODEL: CMEJ-4618-32-L045

│ DESCRIPTION: ELECTRET CONDENSER MICROPHONE

FEATURES

• omnidirectional

• low profile

• 45 mm lead wires

ELECTRICAL

parameter

conditions/description

min

typ

max

units

directivity

omnidirectional

sensitivity (S)

at 1 kHz (0 dB = 1 V/Pa)

-35

-32

-29

dB

1.0

3.0

10

V

current consumption

0.5

mA

sensitivity reduction

3

dB

frequency (f)

100

10,000

Hz

signal to noise ratio (S/N)

at 1 kHz, Pin = 1 Pa (A-weighted)

60

dBA

total harmonic distortion (THD)

at 94 dB SPL, 1 kHz

at 115 dB SPL, 1 kHz

1

3

%

%

acoustic overload point (AOP)

at 1 kHz

115

dB SPL

output impedance (Zout)

at 1 kHz

∞

kΩ

Notes:

1. All specifications measured at 20±2°C, humidity at 60~70%, unless otherwise noted.

ENVIRONMENTAL

parameter

conditions/description

min

typ

max

units

operating temperature

-40

70

°C

storage temperature

-40

85

°C

operating humidity

non-condensing

30

85

%

storage humidity

non-condensing

30

75

%

RoHS

yes

For more information, please visit the product page.