Views: 22 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.
Contact:Mr. Yao
Mobile:13656128000
Tel:86 +519-88671999-801
Fax:86 +519-88671999-808
Add:1-1301 Hang Seng Science Park, Tianning District, Changzhou, Jiangsu, China