Reliability Test of Keliking SMD Buzzer
Publish Time: 2017-11-21 Origin: Site
| No. | Item | Test Condition | Evaluation Standard |
| 1 | Operating life test |
The part shall be subjected to 100 ho-urs at room temperature with 3.0V.4000Hz applied. 2. High temperature The part shall be subjected to 50 hou-rs at +55℃ with 3.0V.4000Hz applied. 3. Low temperature The part shall be subjected to 50 hou-rs at -30℃ with 3.0V.4000Hz applied.
| After the test the part shall meet specifications without any degradation in appearance and performance except.SPL after 4 hours at +25℃.The SPL should be in +10dBA compared with initial one. |