Additional Resources: Product Page
date 10/12/2016
page 1 of 5
MODEL: CMS-18138-25-SP DESCRIPTION: SPEAKER
FEATURES
micro-speaker
small footprints
spring leads
SPECIFICATIONS
parameter conditions/description min typ max units
maximum power: IEC-60268-5, filter 60s on/120s
input power 0.7 1.0 W
off, 10 cycles at room temp in 1 cc closed box
impedance at 2.0 kHz, 1.0 V 6.8 8.0 9.2
at 1.0 V 384 480 576 Hz
resonant frequency (Fo)
at 1.0 V in 1 cc closed box 765 900 1,035 Hz
frequency response output SPL 10 dB Fo 20,000 Hz
sound pressure level at 0.7 W, 0.1 m ave, at 2.0 kHz in 1 cc closed box 87.5 90.5 93.5 dB
distortion at 1.0 kHz, 0.7 W 10 %
must be normal at sine wave between Fo ~ 20 kHz
buzz, rattle, etc. 2.37 V
in 1 cc closed box
cone will move forward with positive dc current to
polarity
+ terminal
dimensions 18.0 x 13.0 x 2.5 mm
magnet Nd-Fe-B
material PPA
cone material mylar
terminal spring contact
weight 1.6 g
operating temperature -20 60 C
storage temperature -40 85 C
RoHS 2011/65/EU
Notes: 1. All specifications measured at 5~35C, humidit y at 45~85%, under 86~106 kPa pressure, unless otherwise noted.
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CUI Inc MODEL: CMS-18138-25-SP DESCRIPTION: SPEAKER date 10/12/2016 page 2 of 5
MECHANICAL DRAWING
units: mm
tolerance: 0.2 mm
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