This part is a kind of semiconductor called SPM0204UD5.

Function of this product has ULTRASONIC ACOUSTIC SENSOR.

Manufacturers : ETC

Image and pinout :

Some of the text within the PDF file :

SPM0204UD5 ULTRASONIC ACOUSTIC SENSOR Knowles Acoustics, a division of Knowles Electronics, LLC Revision: PRELIMINARY Page 1 of 9 SPM0204UD5 1. DESCRIPTION AND APPLICATION 1.1. Description Surface Mount Wide-Band Ultrasonic Acoustic Sensor 1.2. Applications Hand held telecommunication devices, Positioning Sensing, Pneumatic Flow Sensing 2. PART MARKING Tracking Number Convention S: 1-6: Manufacturing Location Job Identification Number S123456 3. TEMPERATURE RANGE 3.1. Operating Temperature Range: -40° C to +100° C 3.2. Storage Temperature Range: -40° C to +100° C Knowles Acoustics, a division of Knowles Electronics, LLC Revision: PRELIMINARY Page 2 of 9 SPM0204UD5 4. ACOUSTIC AND ELECTRICAL SPECIFICATIONS Symbol Directivity Frequenc [ ... ]

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