CUI Devices 的 CMEJ-0733-42-L050 Series 规格书

Product Page 30 Model \vcunNcE
date 06/05/2019
page 1 of 5
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MODEL: CMEJ-0733-42-L050 DESCRIPTION: ELECTRET CONDENSER MICROPHONE
FEATURES
• omnidirectional
• 7 mm diameter
• 50 mm lead wires
ELECTRICAL
parameter conditions/description min typ max units
directivity omnidirectional
sensitivity (S) at 1 kHz (0 dB = 1 V/Pa) -45 -42 -39 dB
supply voltage (VDD) 1.0 2.0 10 V
current consumption VDD = 2.0 V, RL = 2.2 kΩ 0.5 mA
sensitivity reduction VDD = 2.0 ~ 1.5 V 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 2.2
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 %
hand soldering for 1~3 seconds 340 350 360 °C
RoHS yes
Additional Resources: Product Page | 3D Model
Product Page 30 Model Screen RH7033 Si‘icone Bum terml output<+) 4="">
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CUI Inc MODEL: CMEJ-0733-42-L050 DESCRIPTION: ELECTRET CONDENSER MICROPHONE date 06/05/2019 page 2 of 5
units: mm
tolerance: ±0.2 mm
wire: UL 1571, 32 AWG
MECHANICAL
parameter conditions/description min typ max units
dimensions Ø7.0 x 3.3 mm
acoustic port top
terminals wire leads
weight 0.32 g
MECHANICAL DRAWING
WIRE CONNECTIONS
TERM. WIRE COLOR FUNCTION
1Red Output (+)
2 Black GND (-)
Additional Resources: Product Page | 3D Model
Product Page 3D Model 0.0 ~20.0 -40.0 [dB re 1 Pa] 430.0 , .‘ . 100 ll: 10k [H71 terminal 1 luF _I_O® [—0 output RL C power supply O®C 9 ground _ _] teIminal 2 RL=2.2K £2
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CUI Inc MODEL: CMEJ-0733-42-L050 DESCRIPTION: ELECTRET CONDENSER MICROPHONE date 06/05/2019 page 3 of 5
FREQUENCY RESPONSE CURVE
APPLICATION CIRCUIT
Additional Resources: Product Page | 3D Model
Product Page 30 Model 100pcs microphone into a static bag 15pcs small bag to midd‘e packxng , 1500pcs 4pcs midd‘e packing to carton,éUOOPCS
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CUI Inc MODEL: CMEJ-0733-42-L050 DESCRIPTION: ELECTRET CONDENSER MICROPHONE date 06/05/2019 page 4 of 5
PACKAGING
Carton QTY: 6,000 pcs
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Product Page 30 Model
CUI Inc MODEL: CMEJ-0733-42-L050 DESCRIPTION: ELECTRET CONDENSER MICROPHONE date 06/05/2019 page 5 of 5
CUI offers a one (1) year limited warranty. Complete warranty information is listed on our website.
CUI reserves the right to make changes to the product at any time without notice. Information provided by CUI is believed to be accurate and reliable. However, no responsibility is
assumed by CUI for its use, nor for any infringements of patents or other rights of third parties which may result from its use.
CUI products are not authorized or warranted for use as critical components in equipment that requires an extremely high level of reliability. A critical component is any component of a
life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system, or to affect its safety or effectiveness.
Headquarters
20050 SW 112th Ave.
Tualatin, OR 97062
800.275.4899
Fax 503.612.2383
cui.com
techsupport@cui.com
rev. description date
1.0 initial release 06/05/2019
The revision history provided is for informational purposes only and is believed to be accurate.
REVISION HISTORY
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