date 08/05/2022

page 1 of 5

MODEL: CMS-20103-078SP | DESCRIPTION: SPEAKER

cuidevices.com

FEATURES

• 8 ohm rated impedance

• 0.7 W rated power

• 500 Hz resonance frequency

SPECIFICATIONS

parameter

conditions/description

min

typ

max

units

input power

max power: IEC-60268-5, filter 60 seconds on, 120 sec-

onds off, 10 cycles (room temp)

0.7

1.0

W

impedance

at 2.0 kHz

6.8

8

9.2

Ω

resonant frequency (Fo)

at 1.0 V, in free air

440

550

660

Hz

frequency response

Fo

20,000

Hz

sound pressure level

at 0.7 W, 10 cm, avg at 1.0 kHz in 1 cc closed box

87

90

93

dB

distortion

at 1.0 kHz, rated power, 0.1 m, in 1 cc closed box

10

%

buzz, rattle, etc.

must be normal at sine wave, Fo~10 kHz, in 1 cc closed

box

2.36

V

polarity

cone moves forward w/ positive dc current to “+” terminal

dimensions

20.0 x 10.0 x 3.0

mm

magnet

Nd-Fe-B

frame material

PPA

cone material

PEEK

terminal

solder pads

weight

1.7

g

operating temperature

-30

70

°C

storage temperature

-40

80

°C

hand soldering

for maximum 3 seconds

370

380

390

°C

RoHS

yes

Notes:

1. All specifications measured at 5~35°C, humidity at 45~85%, under 86~106 kPa pressure, unless otherwise noted.

Additional Resources: Product Page