KPEG-272A Kingstate Electronics Corp., KPEG-272A Datasheet - Page 5

• Manufacturer Part Number: KPEG-272A
• Description: PIEZO BUZZER
• Manufacturer: Kingstate Electronics Corp.

Specifications of KPEG-272A

• Tones: Continuous
• Resonant Frequency: 3.7kHz
• Sound Level Spl: 95dB
• Sound Level Distance: 30cm
• Colour: Black
• Current Consumption: 10mA
• Current Rating: 10mA
• Device Type: Alarm
• External Diameter: 31.5mm
• External Length /: RoHS Compliant

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
Operating life
一般測試條件
爭議時測試條件
壽命測試
Item
test
志豐電子股份有限公司 KINGSTATE ELECTRONICS CORP 5/5 KPEG272A
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℃
Out Box
Carton Box
Test condition
310mmx248mmx49mm
550mmx330mmx290mm
9PCSx6+8PCSx2=70PCS
b) 濕度 : 60-70%
b) Humidity : 60-70%
b) 濕度 : 45-85%
( 2 LAYER )
Out Box
1x140PCS=140PCS
140PCSx10=1,400PCS
Out Box
Carton Box
(10PCS Out Box)
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