2403 260 00001
2403 260 00001 Datasheet
2403-260-00001
| Part | Datasheet |
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2403 260 00001 |
2403 260 00001 (pdf) |
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| 2403-260-00001 11x15x3.5 MM SPEAKER The 11 x 15 x mm rectangular speaker is a high end miniature speaker specifically designed for portable devices, music phones 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. Features: • Flat, wide frequency response • Low resonance frequency 800Hz in closed back cavity • Compound membrane with additional stiffening plate for inner damping and low THD • Extremely robust spring connector • 100% in-line measurement of all specified acoustical and electrical parameters Page 1 of 19 2011 Knowles Electronics 2403-260-00001 Contents Theory of Mechanical Layout and Main Spring Pad Force Material Part marking Electrical and Acoustical Frequency response Excursion Electro-acoustic characteristics acc. IEC 268-5 Measurement setup Measurement adapter 1 Measured Environmental Environmental tests Qualification Reliability tests Sample Size, Sequence Period of Shelf-Life Testing Related Documents Change History Disclaimer Page 2 of 19 2011 Knowles Electronics 2403-260-00001 Theory of operation The 11x15x3.5 rectangular 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 19 2011 Knowles Electronics 2403-260-00001 Mechanical Layout and Dimensions Main Dimensions Spring Force Page 4 of 19 2011 Knowles Electronics Pad layout 2403-260-00001 Force layout Page 5 of 19 2011 Knowles Electronics 2403-260-00001 Material list MATERIAL of BASKET Polycarbonate MATERIAL of MEMBRANE Polyarylate-Compound MATERIAL of POT soft magnetic Iron MATERIAL of MAGNET Nd Fe B /N42 MATERIAL of CONTACT CrNi-Steel, gold plated MATERIAL of COVER Polycarbonate DIMENSION 15x11x3.5mm MASS 1.6g Part marking |
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