Contents
1. Theory of operation.............................................................................................................................3
2. Mechanical Layout and Dimensions....................................................................................................4
2.1. Main Dimensions.........................................................................................................................4
2.2. PWB Layout .................................................................................................................................5
2.3. Spring Force.................................................................................................................................6
2.4. HNO3 Test area ...........................................................................................................................7
2.5. Part marking/labeling..................................................................................................................8
2.6. Forces on component..................................................................................................................9
2.7. Material List...............................................................................................................................10
Electrical and Acoustical Specifications.....................................................................................................11
2.8. Frequency response ..................................................................................................................11
2.9. Electro-Acoustic Parameters.....................................................................................................12
2.10. Power handling..........................................................................................................................12
2.11. Measurement setup..................................................................................................................13
2.12. Measured Parameters...............................................................................................................13
2.13. Measurement adapter ..............................................................................................................14
3. Environmental Conditions.................................................................................................................15
3.1. Storage.......................................................................................................................................15
3.2. Transportation...........................................................................................................................15
3.3. Functionality..............................................................................................................................15
4. Environmental tests ..........................................................................................................................16
4.1. Qualification tests......................................................................................................................16
4.2. Reliability tests ..........................................................................................................................16
4.3. Sample Size, Sequence ..............................................................................................................16
4.4. Period of Shelf-Life ....................................................................................................................16
4.5. Testing Procedures....................................................................................................................16
5. Related Documents ...........................................................................................................................20
6. Change History ..................................................................................................................................21
7. Disclaimer..........................................................................................................................................21
©2011 Knowles Electronics
Page 2 of 21
Release – Revision: D
KNOWLES [ KNOWLES ELECTRONICS ]
