KPEG-204A Kingstate Electronics Corp., KPEG-204A Datasheet - Page 4

• Manufacturer Part Number: KPEG-204A
• Description: PIEZO BUZZER
• Manufacturer: Kingstate Electronics Corp.

Specifications of KPEG-204A

• Tones: Continuous
• Resonant Frequency: 3.4kHz
• Sound Level Spl: 93dB
• Sound Level Distance: 30cm
• Colour: Black
• Current Consumption: 9mA
• Current Rating: 9mA
• Device Type: Piezo Alarm
• External Diameter: 24.5mm
• External Length: RoHS Compliant

F. ENVIRONMENT TEST 環境測試
TEST CONDITION.
Standard Test Condition
Judgement Test Condition
No
G. RELIABILITY TEST 信賴性測試
No.
1
2
3
4
1
Operating life
一般測試條件
爭議時測試條件
壽命測試
Temp. cycle test
High temp. test
Low temp. test
相對濕度測試
溫度循環試驗
Item
Humidity test
test
高溫測試
低溫測試
Item
1.Continuous life test 高溫壽命測試(連續)
2.Intermittent life test 室溫壽命測試(間歇)
志豐電子股份有限公司 KINGSTATE ELECTRONICS CORP 4/5 KPEG204A
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, 1minutes 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.
After being placed in a chamber at +95℃ for 240 hours
置於+95℃環境中 240 小時
After being placed in a chamber with –40℃for 240 hours
置於-40℃ 環境中 240 小時
After being placed in a chamber at +40℃ and 90±5% relative humidity
for 240 hours
置於+40℃, 相對濕度 90±5% 環境中 240 小時
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:
：
：
：
：
a) Temperature：+5 ~ +35℃ b) Humidity：45-85%
a) 溫度：+5 ~ +35℃
a) Temperature：+25 ± 2℃
a) 溫度：+25 ± 2℃
-40℃
0.5hr 0.5hr 0.25 0.5hr
Test condition
Test Condition
+25℃
3hours
b) 濕度：45-85%
b) Humidity：60-70%
b) 濕度：60-70%
+95℃
0.5hr
0.5hr 0.25
+25℃
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
電流變化量須在±10%內. 輸出音
壓變化量須在±10dB 內.
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
Evaluation standard
,
諧振頻率與消耗