2403 260 00133
2403 260 00133 Datasheet
2403 260 00133
| Part | Datasheet |
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2403 260 00133 |
2403 260 00133 (pdf) |
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| 2403 260 00133 SPEAKER-1318-4.5-SC-SAMBO-WP The 13x18x4.5 mm SAMBO-WP is an advanced miniature speaker of rectangular shape, specifically designed for waterproof applications in smartphones and multimedia devices where high sound pressure levels and quality sound are required. All materials used on the top surface of the speaker are tested to be water resistant. 100% leak measurement guarantees IPx8 waterproof compliance. In addition to waterproof compliance this component provides the same performance as the standard SAMBO speaker device available under part number 2403 260 Features: • IPx8 waterproof tested in 1.5m for 30min. • Waterproof compliance 100% tested for each single speaker device • Loudest speaker in 13x18 footprint with 94.5dB • Compound membrane for minimum THD, Q-factor and tumbling, and high power handling capacity • Fully-automated manufacturing • Pre-loaded springs for mechanical ro- bustness and easy handling • 100% in-line measurement of specified acoustical and electrical parameters Page 1 of 22 2013 Knowles Electronics 2403 260 00133 Contents Theory of Mechanical layout and Main dimensions PWB layout & electric polarity Spring force HNO3 test area Part marking / labeling Force on component Water/gas tightness Material Electrical and acoustical specifications Frequency response Electro-Acoustic Power Measurement setup Measured Measurement adapter Environmental Environmental tests Qualification Reliability tests Sample Size, Sequence Period of Shelf-Life Testing Related Documents Change History Disclaimer Page 2 of 22 2013 Knowles Electronics 2403 260 00133 Theory of operation SPEAKER-1318-4.5-SC-SAMBO-WP is an electrodynamic transducer, designed to translate electrical analog signals into acoustic waves. The input signal is fed into a coil which is exposed to a permanent magnetic field and where a membrane is attached to. Through the principle of the resulting electromagnetic force, the membrane is moved according to the contents of the input signal and thus emitting sound by the air shifted. Page 3 of 22 2013 Knowles Electronics 2403 260 00133 Mechanical layout and dimensions Main dimensions Page 4 of 22 2013 Knowles Electronics PWB layout & electric polarity 2403 260 00133 Positive voltage on pin + Moves the membrane in direction of arrow Page 5 of 22 2013 Knowles Electronics Spring force |
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