SMAT-30P17.5 ETC [List of Unclassifed Manufacturers], SMAT-30P17.5 Datasheet

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SMAT-30P17.5

Manufacturer Part Number
SMAT-30P17.5
Description
Multi-Application Transducer SMD & Pin version
Manufacturer
ETC [List of Unclassifed Manufacturers]
Datasheet
Excellence in physical acoustics
Sint-Niklaas – Belgium
Model
SMAT 30 See graph
Both the SMA buzzers and the SMAT (Sonitron Multi-Application)
transducers are specially developed to meet a wide range of
requirements in sound pressure, mounting methods, connection
possibilities and dimensions. The transducers do not have a built-in
oscillator. The drive frequency must be generated with electronics
outside the transducer. Recommended drive circuits are described in
this catalogue. Our transducers produce a highly reliable audible tone
signal, giving either an extremely clear and penetrating tone or a soft
sound for non-aggressive signals. They are available in five sizes:
13mm, 17mm, 21mm, 24mm and 30mm.
* All measurements are made in free air at 21°C at 30 cm at 10Vpp square wave.
Operating temperature
Storage temperature
Life time (at 21°C)
Case material
Standard colour of case Grey
ADVANTAGES & APPLICATIONS
SPECIFICATIONS
The test buzzer is soldered on a PCB board with dimensions 24 cm x 11 cm.
ADVANTAGES:
octagonal form
models with different pin pitches
light but solid construction
not fixed working frequency
easily mountable
SMD models with heat resistant labels for
protection during re-flow soldering,
packed in a tray for automatic placing
pressure *
Sound
page 2
nv/sa
dB(A)
Frequency range
300 - 5000 Hz
-40°C to +85°C
-40°C to +85°C
See expected life time curve in addendum
ABS (UL rating: 94 HB) for pin-versions
PPS (UL rating: 94 V0/5V) for SMD-versions
Multi-Application Transducer
SMD & Pin version
Capacitance
SMAT-30
(+/-30%)
25 nF
APPLICATIONS:
audible alarms
gas detectors
measuring and weighing equipment
medical instrumentation
timers
instrumentation and control systems
copiers
automobiles
games & toys
cash registers, etc.
0 to 30 VAC pp
Operating
voltage
Pagina 1 van 4
Weight
5 g

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SMAT-30P17.5 Summary of contents

Page 1

... Excellence in physical acoustics Sint-Niklaas – Belgium Both the SMA buzzers and the SMAT (Sonitron Multi-Application) transducers are specially developed to meet a wide range of requirements in sound pressure, mounting methods, connection possibilities and dimensions. The transducers do not have a built-in oscillator. The drive frequency must be generated with electronics outside the transducer ...

Page 2

... Sint-Niklaas – Belgium ELECTRICAL PARAMETERS Sound pressure vs. Frequency All measurements are made free air at 21°C. DIMENSIONS (All dimensions are in mm) Pin-version SMAT-30 Multi-Application Transducer SMD & Pin version Precision of frequency: ±15% Operating voltage: 10V (pp) (square wave) SMD-version Pagina 2 van 4 ...

Page 3

... When the transducers are used in a drive circuit at one single frequency, the designer should bear in mind that the precision of the frequency, as mentioned on the graph “sound pressure vs. Frequency” is +/- 15%. We therefore recommend to test the sound pressure level with the transducer connected to the final drive circuit. SMAT-30 Multi-Application Transducer SMD & Pin version Pagina 3 van 4 ...

Page 4

... SMAT-30 P15 SMAT-30 P17.5 SMAT-30 P20.32 SMAT- heat protection label in capton material is glued on the SMD model of the SMA buzzer. This enables the user to pick up the buzzer by vacuum. During the reflow soldering process the heat shield label remains on the buzzer and must be removed after soldering ...

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