MULTI-APPLICATION SERIES SMA & SMAT INTRODUCTION The Sonitron Multi-Application (SMA) series are specifically developed to meet a wide range of requirements in sound pressure, dimensions and mounting methods. This series produce highly reliable audible signals, giving either an extremely clear penetrating tone or a soft sound output. Both, buzzers and transducers, are available in five sizes, 13 mm, 17 mm, 21 mm, 24 mm and 30 mm. All SMA products are manufactured to meet various mounting styles such as through-hole or surface mounting technologies (SMD). Therefore they are equipped with either pin or SMD terminals. The Multi-Application series present the following advantages: * The octagonal housing provides alignment with pick & place machines for SMD models, which are packed in trays and protected with a heat resistant label for automatic soldering. * The miniature models SMA-13 and SMA-17 offer a high sound pressure level together with a clear audible tone. * The LT-versions of the models SMA-13, SMA-17 and SMA-21 generate an increased sound output. The LC-versions of the same models operate at extremely low current consumption; ideal for battery operated applications. * The LV versions of the model SMA-21 generate an extremely loud sound output at very low battery voltage starting at 2 Vdc up to 6 Vdc. * Because of the same case style for buzzers and transducers with different pin pitches per model, the user is offered a great deal of flexibility and can switch over to a buzzer or transducer at any time. * The piezo audio technology can be qualified as solid state, highly reliable, without EMI and is able to withstand temperatures from -40C to +85C. The MTBF exceeds in reality several times the figure indicated in this catalogue. Lifetime depends on different factors and is described more in detail in the addendum. 40 SELECTION GUIDE Round 41 SMA SERIES The Sonitron Multi-ApplicationRound buzzers are low cost commercial grade components for large volume applications. The SMA series are designed to meet various requirements such as current consumption, voltage, sound pressure, mounting methods, connection, dimensions and packaging. They are available in five sizes: 13 mm, 17 mm, 21 mm, 24 mm and 30 mm. The buzzers have a built-in oscillator generating their working frequency. They produce a highly reliable audible tone signal, giving either an extremely clear and penetrating tone or a soft sound for non-aggressive signals. ADVANTAGES & APPLICATIONS ADVANTAGES : Octagonal form Models with different pin pitches Light but solid state construction Little power consumption, especially the extra loud LC-versions Wide voltage range (1,5V to 24V) Easy mountable SMA-13 and SMA-17 for applications with limited space SMD models with heat resistant label for protection during automatic soldering Automatic pick & place APPLICATIONS : Automatic doors Alarms Gas & metal detectors Weighing & measuring equipment Medical instrumentation Timers & clocks Control instrumentation & systems Copiers Automobiles & trucks Games & toys Computer peripherals Cash registers SPECIFICATIONS SMA-13 SMA-13LT SMA-13LC SMA-13LV SMA-17 SMA-17L SMA-17LT SMA-17LC SMA-21 SMA-21L SMA-21LT SMA-21LC SMA-21LV SMA-24 SMA-24L SMAI-24 SMA-30 SMA-30L 75 82 81 80 @ 3V 82 88 86 89 85 91 90 91 87 @ 3V 92 98 92 87 97 @ 9V 3000 3000 3000 3350 3000 3000 3000 3500 3300 3300 3300 3800 3000 3000 3000 **3500 2500 2500 1.5 to 24 1.5 to 15 1.5 to 15 2 to 4 1.5 to 24 1.5 to 24 1.5 to 15 1.5 to 15 1.5 to 24 1.5 to 24 1.5 to 15 1.5 to 15 2 to 6 1.5 to 24 1.5 to 15 5 to 24 1.5 to 24 3 to 9 1.8 11.6 0.7 13 @ 3V 3.3 5 15 0.8 3.8 5 12.5 1.1 13 @ 3V 4.2 6.7 6.2 4.1 5 @ 9V 1 1 1 1 2 2 2 2 2.5 2.5 2.5 2.5 2.5 4 4 4 5 5 * All measurements are made in free air @ 21C @ 30cm @ 12Vdc (Except for the SMA-21LV & SMA-30 L). Buzzers soldered on a PCB board with dimensions of 24cmx11cm. ** SMAI 24: intermittent pulse rate of 5Hz (@ 15Vdc). All the other models have a continuous tone. 42 @12Vdc (L-version working @ 6Vdc) continuous use min. 100 hours The SMA-21 LV (PIN/SMD) working @ 3Vdc in continuous use: min.24 hours. All tests are made @ 20C mounted on PCB (expected life time curve in addendum) ELECTRICAL PARAMETERS 43 44 PRODUCT CODIFICATION LIST OF AVAILABLE PRODUCT TYPES Order options and packaging information see page 52, 53. 45 SMAT SERIES The SMAT transducers are specifically developed to meet various requirements, such as loud sound pressure level, 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. ADVANTAGES & APPLICATIONS ADVANTAGES : * Octagonal form * Models with different pin pitches * Light but solid construction * Not fixed working frequency Easily mountable * SMAT-13 and SMAT-17 for limited space applications * SMD models with heat resistant labels for protection during re-flow soldering * Automatic pick & place APPLICATIONS : * Alarms * Gas & metal detectors * Measuring & weighing equipment * Medical instrumentation * Timers & clocks * Instrumentation & control systems * Copiers * Automobiles & trucks * Games & toys * Cash registers SPECIFICATIONS SMAT-13 SMAT-17 SMAT-21 SMAT-24 SMAT-30 @12Vpp continuous use at resonance frequency, tested on maximum sound pressure (eg. SMAT-21 @ 3.75 kHz). Life expectations: min.1000 hours. All tests are made @ 20C mounted on PCB (expected life time curve in addendum). * All measurements are made in free air @ 21C @ 30 cm @10 Vpp (square wave). The test buzzer is soldered on a pcb board with dimensions of 24 cm x 11 cm. 46 ELECTRICAL PARAMETERS Peak hold frequency sweep from 1 to 8kHz with a square wave signal of 10Vpp. (precision of frequency: +/- 15%) 47 DRIVE CIRCUITS (typical circuits) 48 PRODUCT CODIFICATION LIST OF AVAILABLE PRODUCT TYPES 49 DIMENSIONS SMA & SMAT-SERIES (All dimensions are in mm) SMA(T)-13 SMA(T)-17 SMA(T)-21 50 SMA(T)-24 SMA(T)-30 51 MOUNTING POSSIBILITIES FOR THE SMA & SMAT SERIES sonitron sonitron SMA-21 SMA-21 PRODUCT OPTIONS SMA & SMAT SERIES O ption C ode e x a mple SP01 D e s c ription Contains heavy duty wires (plastic insulation) (only for SMA(T)-21 and SMA(T)-24) SMAT-21-P17.5/SP02 Contains heavy duty wires (plastic insulation), connection sealed with silicone (only for SMA(T)-21, SMA(T)-24) The PCB of the buzzer/transducer is secured with epoxySMA-13LC-S/SP04 adhesive SMA-24L-P17.5/SP05 Extended frequency control (only SMA series) SMAT-21-P10/SP01 SP02 SP04 SP05 Wash Tab SMAT-13-P7.5 +Wash Tab Recommended for automatic washing production process. The PCB is secured with epoxy-adhesive+ wash tab upon the sound-emitting hole, avoiding liquid penetration into the cavity. TO BE REMOVED AFTER the washing process for good sound output!!! MC SMAT-13-P10-MC Acryl coating (Membrane Coating). Recommended for aggressive, humid or smoggy environment. FP13 FP13SR FP17 FP17SR FP21 FP24 FP30 7 different Foam Patches are available to cover the SMA(T) series for extra acoustic and mechanical stabilization. See page 38, 39 To order an option add the suffix to the model number of the SMA(T)-series. Capton A heat protection label standard for all SMD buzzers, in capton material glued on the SMD model of the SMA(T) buzzer. This enables the user to pick up the buzzer by vacuum. During the re-flow soldering process the heat shield label remains on the buzzer and must be removed after soldering. 52 PACKAGING SMA & SMAT-SERIES SMA(T)-13 series SMA(T)-17 series SMA(T)-21 series SMA(T)-24 series SMA(T)-30 series SMA(T)-13 S SMA(T)-17 S SMA(T)-21 S SMA(T)-24 S SMA(T)-30 S SMA(T)-13-series SMA(T)-17-series SMA(T)-21-series SMA(T)-24-series SMA(T)-30-series 53