規 格 承 認 書
PECIFICATION FOR APPROVAL
客 戶
CUSTOMER
項 目
ITEM
型 號
：
：
立创
电磁有源一½蜂鸣器（内含驱动电路）
TYPE
：
GMD9505YB-3V2700
描述
DESCRIPTION
： φ9.5
x H5.0mm 2700Hz
客戶料號
CUSTOMER NO.
：
規 格 書 號
SPECIFICATION NO.：
版 本
EDITION NO.
日 期
DATE
：
：
DC3V
≥80dB
PBT
材质
P=5 mm
V1.1
2019-12-26
客戶承認
CUSTOMER CONFIRM AND SIGN
檢查
TESTED BY
審核
CHECKED BY
承認
APPROVED BY
東莞市赢海電子有限公司
DONGUAN INGHAI ELECTRONICS CO.,LTD
½½
ISSUED BY
審查
CHECKED BY
確認
APPROVED BY
周明
李林
地址：廣東省東莞市長安鎮廈邊元灶頭工業區 16-6 號
電話 /
TEL：0769-83060958
傳真
/ FAX： 0769-81608993
網址：HTTP://WWW.INGHAI.COM
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DONGGUAN INGHAI ELECTRONICS CO.,LTD
Model NO:
GMD9505YB-3V2700
A: DIMEMSIONS
Unit:mm
Tolerance:±0.5
Potting
(+)
(-)
Sound Hole
B: SPECIFICATIONS
Model NO
Rated Voltage
Operating Voltage
Max.Rated Current
Sound Pressure level(dB)at10cm
Resonant Frequency
Operating Temperature
Storage Temperature
Case material and color
Measuring condition
GMD9505YB
3VDC
2~5VDC
Max.30mA
Min.80dB
2700
±
300
Hz
-20
℃~+75 ℃
-30
℃~+80 ℃
PBT / Black
Part shall be measured under a condition (Temperature: 5½ 35℃, Humidity: 45%
½
85%R.H., Atmospheric
pressure: 860
½
1060hPa) unless the standard condition (Temperature: 25±3℃, Humidity: 60±10%R.H.
Atmospheric pressure: 860
½1060hPa)
is regulated to measure.
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C: Acoustic Characteristics:
The oscillation frequency, current consumption and sound pressure are measured by the
measuring instruments shown below
In the measuring test, buzzer is placed as follows:
D: Typical Frequency Response Curve
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E: Reliability Test
After any following tests the part shall meet specifications without any degradation in
appearance and performance except SPL. SPL shall not deviate more than -10 dB
from the initial value
1.
Ordinary Temperature Life Test
The part shall be subjected to 96 hours at 25±10℃. Input rated voltage
2.
3.
4.
Resonant frequency, 1/2 duty Square wave.
High Temperature Test
The part shall be capable of with standing a storage temperature of +80℃ for 96 hours.
Low Temperature Test
The part shall be capable of with standing a storage temperature of -30℃ for 96 hours.
Humidity Test
Temperature:+40℃±3℃
Relative Humidity:90%½95% Duration: 48 hours
and expose to room temperature for 6 hours
Temperature Shock Test
Temperature:75℃ /1hour→ 25℃/3hours→-30℃/1hour→ 25℃/3hours (1cycle)
Total cycle: 10 cycles
Drop Test
Standard Packaging From 120mm(Drop on hard wood or board of 5cm thick,
three sides, six plain.)
5.
6.
7.
8.
Vibration Test
Vibration:1000cycles /min. Amplitude:1.5mm, Duration: 1 hour in each 3 axes
Solder heat resistance
The part leads (pins) shall be immersed in molten solder maintained at 250±10℃
for a period of 30 seconds.
Note:
As this product is not protected from foreign material entering, please make sure that any foreign materials
(e.g. magnetic powder, washing solvent, flux, corrosive gas) do not enter this product in your production
processes. The functional degradation (e.g. SPL down) may occur if foreign material enter it.
4/4
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