KPEG276 Kingstate Electronics Corp., KPEG276 Datasheet - Page 5

• Manufacturer Part Number: KPEG276
• Manufacturer: Kingstate Electronics Corp.

H. RELIABILITY TEST 信賴性測試
TEST CONDITION.
Standard Test Condition
Judgement Test Condition
I. PACKING STANDARD 包裝規格
No.
1
爭議時測試條件
Operating life
一般測試條件
壽命測試
Item
test
志豐電子股份有限公司 KINGSTATE ELECTRONICS CORP 5/5 KPEG276
1.Continuous life test 高溫壽命測試(連續)
2.Intermittent life test 室溫壽命測試(間歇)
48 hours continuous operation at +70℃ with rated voltage applied.
在+70℃環境下,以額定電壓連續操作 48 小時.
A duty cycle of 1 minute on, 1 minutes off, a minimum of 5000 times at room
temp.( +25±2℃)and rated voltage applied.
在室溫下(+25±2℃), 以額定電壓操作, 通電 1 分鐘/斷電 1 分鐘,測試
5000 次循環.
：
：
：
：
a) Temperature：+5 ~ +35℃ b) Humidity：45-85%
a) 溫度：+5 ~ +35℃
a) Temperature：+25 ± 2℃
a) 溫度：+25 ± 2℃
Test condition
b) Humidity：60-70%
b) 濕度：60-70%
b) 濕度：45-85%
c) Pressure：860-1060mbar
c) 氣壓：860-1060mbar
c) Pressure：860-1060mbar
c) 氣壓：860-1060mbar
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.
Evaluation standard