志豐電子股份有限公司

KINGSTATE ELECTRONICS CORP 4/6 KXG0905AV

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 rosin for 5 seconds and then

immersed in solder bath of +270±5℃ for 3±1 seconds.

端子部份浸入松香溶液

5 秒後,再浸入+270±5℃溶融焊鍚槽中

3±1 秒.

90% min. lead terminals

shall be wet with solder.

(Except the edge of

terminal)

浸入端子部份附著焊鍚

90%以上.(末端斷面不算)

2

Soldering Heat

Resistance

焊錫耐熱性

Lead terminal are immersed up to 1.5mm from sounder’s body

in solder bath of +260±5℃ for 3±1 seconds.

距離端子根部

1.5mm 的位置,浸入+260±5℃的焊鍚槽 3±1 秒.

No interference in

operation

操作上無任何不良

3

Terminal Mechanical

Strength

端子強度

The force 10 seconds of 9.8N (1.0kg) is applied to each

terminal in axial direction.

各端子的軸方向施以

9.8N (1.0kg)的力量 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

.

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

±10dBA

內

.

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

.

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

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.

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

+20℃

3hrs

12±0.5hrs

3hrs

c

24hours