志豐電子股份有限公司 KINGSTATE ELECTRONICS CORP 4/6 KTG0905CL

F. MECHANICAL CHARACTERISTICS 機械特性

No.

Item

Test condition

Evaluation standard

1

Solderability

焊錫附著性

Lead terminals are immersed in solder bath of +270±5℃ for

3±1 second.

端子置於錫膏內,錫膏溫度:+270±5℃. 焊接時間: 3±1 秒.

95% surface of lead pads

must be covered with

fresh solder

錫膏須覆蓋端子上方 95%

2

Soldering Heat

Resistance

焊錫耐熱性

The product is followed the reflow temperature curve to test its

reflow thermo stability.

產品依照迴焊溫度曲線測試迴焊耐熱性.

No interference in

operation

操作上無任何不良

3

Terminal

Mechanical

Strength

端子強度

Lead pads shall be soldered on the pc board, and the force 9.8N

(1.0kg) shall be applied behind the part for 10 seconds.

將端子焊在 PC 板上後,對單體施以 9.8N(1.0kg)拉力 10 秒.

No damage and cutting off

端子不鬆動, 不脫落.

4

Vibration

振動測試

Buzzer shall be measured after being applied vibration of

amplitude of 1.5mm with 10 to 55hz band of vibration frequency

to each of 3 per-pendicular directions for 2 hours.

振動週波數 10～55HZ、全振幅 1.5mm 於 X.Y.Z 3 個方向,各 2 小

時.

5

Drop test

落下測試

The part only shall be dropped from a height of 75cm onto a

40mm thick wooden board 3 times in 3 axes (X.Y.Z). (a total of 9

times).

單體從 75 公分高處, X.Y.Z.3 個方向,各 3 回,落於 40mm 厚木板上.

After the test the part shall

meet specifications

with-out any damage in

appearance and

the SPL should be in

±10dBA compared with

initial one.

經測試後,單體除音壓外,外

觀及電氣特性須符合規格.

輸出音壓變化量須在

±10dBA 內.

G. ENVIRONMENT TEST 環境測試

No.

Item

Test condition

Evaluation standard

1

High temp. test

高溫測試

After being placed in a chamber at +85℃ for 96 hours.

置於+85℃環境中 96 小時

2

Low temp. test

低溫測試

After being placed in a chamber at –40℃ for 96 hours.

置於-40℃環境中 96 小時

3

Thermal Shock

熱衝擊試驗

The part shall be subjected to 10 cycles. One cycle shall consist

of; 對單體施以熱衝擊試驗 10 次循環,其循環內容如圖示

+85℃

-40℃

30 min.

30 min.

60 min.

4

Temp./ Humidity

Cycle

溫度/溼度循環測試

The part shall be subjected to 10 cycles. One cycle shall be 24

hours and consist of;

單體承受溫度/溼度循環測試 10 次.其循環內容如圖示

+85℃

a,b : 90~98%RH

c : 80~98%RH

a

b

+25℃

3hrs

12±0.5hrs

3hrs

c

24hours

After the test the part shall

meet specifications

with-out any degradation

in appearance and

performance except SPL.

after 4 hours at +25℃.

the SPL should be in

±10dBA compared with

initial one.

經測試後, 靜置於+25℃

（室溫）環境中 4 小時後,

單體除音壓外, 外觀及電

氣特性須符合規格. 輸出

音壓變化量須在±10dBA

內.