2403 263 00301
2403 263 00301 Datasheet
2403 263 00301
| Part | Datasheet |
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2403 263 00301 |
2403 263 00301 (pdf) |
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| 2403 263 00301 DONAU SLIM ENHANCED 11x15x3.0 mm SPEAKER The 11 x 15 x mm rectangular speaker is a high end miniature speaker specifically designed for portable devices and smartphones where high quality sound is required. It delivers pure , uncolored sound reproduction in applications with small space. Suitable for mono and stereo applications. It offers a low resonance frequency of 800Hz in the back cavity. The speaker’s compound membrane has an additional stiffening plate - made from a unique, lightweight composite material - that provides inner damping and results in extremely low Total Harmonic Distortion THD values. Features: • Rectangular shape that measures only 11 x 15 x mm • Pure, uncolored sound reproduction - Flat, wideband frequency response - Lowest resonance frequency 800 Hz in back cavity • Clear music and voice reproduction - Unique compound membrane with additional stiffening plate of lightweight composite material for inner damping and low THD • Extremely robust spring connector • 100% in-line measurement of all specified acoustical and electrical parameters. • Power handling up to 600mw. Page 1 of 18 2013 Knowles Electronics 2403 263 00301 Contents Theory of Mechanical Layout and Main Spring force PWB Layout Magnetic polarity Force Part Material Electrical and Acoustical Frequency response Electro-Acoustic Parameters Power definition for life time Measured Measurement setup Measurement adapter 1cm3 Environmental Environmental tests Qualification Reliability tests Sample Size, Sequence Period of Shelf-Life Testing Related Documents Change History Disclaimer Page 2 of 18 2013 Knowles Electronics 2403 263 00301 Theory of operation Donau Slim Enhanced 11x15x3.0 mm Speaker is an electro-dynamic transducer, designed to translate electrical analog signals into sound. The input signal is fed into a coil in a magnetic field, which is attached to a membrane. Through the principle of the electromagnetic force, the membrane is moved according to the contents of the input signal. Page 3 of 18 2013 Knowles Electronics 2403 263 00301 Mechanical Layout and Dimensions Main Dimensions Spring force Page 4 of 18 2013 Knowles Electronics PWB Layout 2403 263 00301 Magnetic polarity Force layout |
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