SPM0103ND3 Description
1.1 Description Amplified “Mini” Surface Mount Silicon Microphone with standard RF Protection 1.2 Application Hand held telemunication devices 2. PART MARKING Identification Number Convention S 4 Identification Number 1 5 2 6 3 S: Manufacturing Location “S” Knowles Electronics Suzhou Suzhou, China “No Alpha Character” Knowles Electronics Itasca Itasca, IL USA “E” Engineering Samples Pin 1 Digits 1.