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Piezo Electric Buzzer
PF-22N40EPDRQ
(RoHS) DATE:2019.10.16
1﹒Electrical Characteristics VER .:0
Oscillation Frequency (KHz) | 4.0 ±0.3 |
Operating Voltage (Vdc) | 3 ~ 15 |
Rated Voltage (Vdc) | 12 |
Current Consumption (mA/max.) | 20 at Rated Voltage |
Sound Pressure Level (dB/min.) | 85 at 30cm at Rated Voltage |
Tone/Pulse Rate | Fast Pulse 3.0 ±20% at Rated Voltage |
Operating Temperature (℃) | -20 ~ +70 |
Storage Temperature (℃) | -30 ~ +80 |
Protection Level: IP68 Certified
2﹒Dimensions and Material
2-1 Shape
2-2 Material
Housing | PC plastic resin (Color : Red) |
Lead Pin | Tin Plated Brass |
Weight (Gram) | 17.8 |
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 +80℃ 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＞ 64pcs per box , Total 10 boxes per carton , total 640pcs per carton;
Volume: L*W*H=520*335*290mm
< 2 >N﹒W﹒：；11.40 KGS； G﹒W﹒：13.40KGS；
< 3 > RoHS Mark
