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3V SMD Magnetic Buzzer(Passive Circuit Buzzer)
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Product Details
| Place of Origin | Guangdong, China | Brand Name | COSSON | |
| Model Number | SMD-085040H | Type | Other, Buzzer, External drive type |
Product Description
External drive type SMD magnetic Buzzer
1.Specification:
Rated Voltage:3.2V
Operating Voltage:2~5V
Fundamental Frequency:2500±200Hz
Coil Resistance:32±2 Ω
Rated Current:70mA Max
Sound Pressure level: Min.88dB
Operating temp:-25°C~+70°C
Storage temp:-30°C~+80°C
Dimension:8.5*8.5*H4.0MM
Weight :0.8g
Outer covering mateeial:LCP
2.Outline drawing:
3.Frequency characteristics:
4.Recommend Driving Circuit:
The base current Ib should high enough so that it saturates the collector current of the transistor with the CB load.
5.TESTING METHOD
.Standard Measurement conditions
Temperature:25±2°C Humidity:45-60%
.Acoustic Characteristics
The oscillation frequency, current consumption and sound pressure are measured by the measuring instruments shown below.
6.RELIABILITY
ITEMS | METHOD OF TEST AND MEASUREMENTS | PERFORMANCE |
Coldness withstanding | After 98 hours of being exposed to -30°C environment, should be returned to normal environment for 2 hours, then re-proceed to test. | No abnormality shall exist |
Hotness withstanding | After 98 hours of being exposed to +80°C environment, should be returned to normal environment for 2 hours, then re-proceed to test. | No abnormality shall exist |
Humidity withstanding | After 98 hours of being exposed to 40°C 95%RH environment in actual operation, should be returned to normal environment for 2 hours, then re-proceed to test. | No abnormality shall exist |
Durability | Testing after 1,000 hours actual continuous operation. (at standard measurement conditions) | No abnormality shall exist |
Drop withstanding | A natural drop from 75cm high down to the ground. | No abnormality shall exist |
Vibration withstanding
| Vibration of 2,000 cycles per minute, 2mm amplitude, applied in X, Y and Z directions for 30 minutes each. | No abnormality shall exist |
7.Product Features:Smaller light weight,a clear and thorough explanation sound quality,temperature higher resistance.
Contact Us
- Dongguan Cosson Electronic Plastic Co., Ltd.
- Contact nameAnna wu Chat Now
- Phone86-769-81885857
- AddressBuilding F1 Minghe technology square,Shangsha country,ChangAn town,Dongguan city,GuangDong province,China, Dongguan, Guangdong
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