Views:5 Author:Site Editor 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.|
Changzhou Keliking Electronics Co., Ltd.
Add：1-1301 Hang Seng Science Park, Tianning District, Changzhou, Jiangsu, China