Datasheet

志豐電子股份有限公司 KINGSTATE ELECTRONICS CORP 4/6 KMIG1240H
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
振動試驗
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.
The value of oscillation
frequency/ current consumption
should be in ±10% compared
with initial ones .The SPL should
be in ±10dB compared with initial
one.
諧振頻率與消耗電流變化量須在
±10%內. 輸出音壓變化量須在
±10dB 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 +80℃ for 72 hours
置於+80℃環境中72 小時
Being placed for 4 hours at
+25℃, buzzer shall be
measured. The value of
oscillation frequency/ current
consumption should be in ±10%
compared with initial ones .The
SPL should be in ±10dB
compared with initial one.
經測試後, 靜置於+25℃（室溫）
環境中4小時後,諧振頻率與消耗
電流變化量須在±10%內. 輸出音
壓變化量須在±10dB 內.
2
Low temp. test
低溫測試
After being placed in a chamber at –40℃ for 72 hours
置於-40℃環境中72 小時
3
Humidity test
相對濕度測試
After being placed in a chamber at +40℃ and 90±5% relative humidity
for 72 hours
置於+40℃, 相對濕度 90±5% 環境中72 小時
4
Temp. cycle test
溫度循環試驗
The part shall be subjected to 5 cycles. One cycle shall be consist of:
單體承受溫度循環測試5 次,其循環內容如圖示:
+80℃
+25℃ +25℃
-40℃
0.5hr 0.5hr 0.25 0.5hr 0.5hr 0.5hr 0.25
3hours