CUI Devices 的 CMEJ-0413-42-SMT-TR Series 规格书

Product Page 30 Model PCB Foolgnnl CUI DEVICES
date 01/16/2020
page 1 of 5
MODEL: CMEJ-0413-42-SMT-TR │ DESCRIPTION: ELECTRET CONDENSER MICROPHONE
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FEATURES
• omnidirectional
• low profile
• surface mount
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 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
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date 01/16/2020 │ page 2 of 5
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CUI Devices │ MODEL: CMEJ-0413-42-SMT-TR │ DESCRIPTION: ELECTRET CONDENSER MICROPHONE
units: mm
tolerance: ±0.2 mm
Recommended PCB Layout
Top View
TERMINAL CONNECTIONS
TERM. FUNCTION
1 Output (+)
2 GND (-)
MECHANICAL
parameter conditions/description min typ max units
dimensions Ø4.0 x 1.3 mm
acoustic port top
terminals surface mount
weight 0.07 g
MECHANICAL DRAWING
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date 01/16/2020 │ page 3 of 5
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CUI Devices │ MODEL: CMEJ-0413-42-SMT-TR │ DESCRIPTION: ELECTRET CONDENSER MICROPHONE
FREQUENCY RESPONSE CURVE
APPLICATION CIRCUIT
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date 01/16/2020 │ page 4 of 5
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CUI Devices │ MODEL: CMEJ-0413-42-SMT-TR │ DESCRIPTION: ELECTRET CONDENSER MICROPHONE
SOLDERABILITY
parameter conditions/description min typ max units
reflow soldering see reflow profile 255 260 °C
Note: 1. Vacuuming over acoustical hole is not allowed.
2. Not suitable for wash process.
3. Not recommended to exceed 2 reflow cycles.
PACKAGING
parameter conditions/description min typ max units
reel size Ø175 mm max
reel QTY 1,000 pcs per reel
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Product Page 30 Model PCB Fumgnm CUI DEVICES
date 01/16/2020 │ page 5 of 5CUI Devices │ MODEL: CMEJ-0413-42-SMT-TR │ DESCRIPTION: ELECTRET CONDENSER MICROPHONE
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CUI Devices offers a one (1) year limited warranty. Complete warranty information is listed on our website.
CUI Devices reserves the right to make changes to the product at any time without notice. Information provided by CUI Devices is believed to be accurate and reliable. However, no
responsibility is assumed by CUI Devices for its use, nor for any infringements of patents or other rights of third parties which may result from its use.
CUI Devices 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.
rev. description date
1.0 initial release 06/07/2019
1.01 brand update 01/16/2020
The revision history provided is for informational purposes only and is believed to be accurate.
REVISION HISTORY
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