詳細(xì)信息
1﹒Electrical Characteristics VER .:0
Operating Voltage | Max20Vp-p |
Current Consumption | Max 1mAat3Vp-p/Square Wave/4.1KHz |
Sound Pressure Level | Min 83dBat10cm/ 3Vp-p/Square Wave/4.1KHz |
Electrostatic Capacity | 16000±30%pF at 1 KHz/1V |
Operating Temperature (℃) | -20~ +70 |
Storage Temperature (℃) | -30~ +80 |
Dimension | L12×W12×H3.0mm |
2﹒Typical Frequency Response Curve
3﹒Dimensions and Material
3-1 Shape
Unit: mm Tol：±0.3
3-2 Material
Housing | LCPplastic resin (Color :BLACK) |
Terminal | SMD Type |
Weight (Gram) | 0.42 |
4. TESTING METHOD
．Standard Measurement conditions
Temperature:25±2℃Humidity:45-60%
．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:
5.RELIABILITY
ITEMS | METHOD OF TEST AND MEASUREMENTS | PERFORMANCE |
Coldness withstanding | After 98 hours of being exposed to -30℃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 +100℃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℃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 |
8. PACKAGE METHOD