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Piezo Electric Buzzer
PK-20A38EP-05VQ
(RoHS) DATE:2019.09.10
1﹒Electrical Characteristics VER .:4
Oscillation Frequency (KHz) | 3.8 ±0.3 |
Operating Voltage (Vdc) | 3 ~ 12 |
Rated Voltage (Vdc) | 5 |
Current Consumption (mA/max.) | 10at Rated Voltage |
Sound Pressure Level (dB/min.) | 95 at 30cm at Rated Voltage |
Tone/Pulse Rate | Constant |
Operating Temperature (℃) | -20 ~ +100 |
Storage Temperature (℃) | -30 ~ +110 |
Condition by wave (℃) | 260±5℃ / within 5sec |
Condition by hand (℃) | 350±20℃ / within 5sec |
蜂鳴器啟動瞬間脈沖電流小于1.5A,持續(xù)時間小于10us;蜂鳴器正常工作時脈沖電流小于50mA持續(xù)時間小于15us,
頻率為3.8±0.3KHz,測試過程中可能會出現(xiàn)倍頻現(xiàn)象。
2﹒Dimensions and Material
2-1 Shape
2-2 Material
Housing | PBT plastic resin (Color : Black) |
Lead Pin | Tin Plated Brass |
Weight (Gram) | 4.8 |
3. 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.
4. 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 +110℃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 98 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 |
5. PACKAGE METHOD
＜1＞ 100pcs per box , Total 10 boxes per carton , total 1000pcsper carton;
Volume: L*W*H=520*335*290mm.
<2>N﹒W﹒：4.8KGS； G﹒W﹒：6.8KGS
<3>RoHS Mark
