- Part number : BM9045AS-0327-16
9*9*4.5mm SMD Buzzer 3V Electromagnetic Transducer 16Ω Coil Resistance
Quick Detail:
- Size:9.0mm*9mm*4.5mm
- SPL: Min.87dB at 10cm Input 2.7KHz/3Vo-p 1/2 Duty Square Wave
- Coil Resistance: 16+/-3 ohm
- Operating Voltage: 2-4Vo-p
- Rated Current: Max.70mA Input 2.7KHz/3Vo-p 1/2 Duty Square Wave
Description:
- buzzer
- SMD Electro-Magnetic Buzzer
- SMD Electro-Magnetic Element
- 3V Buzzer
- small Buzzer
Specification:
1. Technical Parameter
Measuring condition
Part shall be measured under a condition (Temperature: 5～35℃, Humidity: 45%～85%R.H., Atmospheric pressure: 860 ～1060hPa) unless the standard condition (Temperature: 25±3℃, Humidity: 60±10%R.H. Atmospheric pressure: 860 ～1060hPa) is regulated to measure.
1 | Rated Voltage | 3 Vo-p |
2 | Operating Voltage | 2～4 Vo-p |
3 | Rated Current | Max.70mA ,at 2700Hz 50% duty Square Wave 3Vo-p |
4 | Sound Output at 10cm | Min. 87dB,at 2700Hz 50% duty Square Wave 3Vo-p |
5 | Coil Resistance | 16±3Ω |
6 | Resonant Frequency | 2700Hz |
7 | Operating Temperature | -20℃～+70℃ |
8 | Store Temperature | -40℃～+85℃ |
9 | Net Weight | Approx 3g |
10 | RoHS | Yes |
*Unit: mm; Tolerance: ±0.3mm Except Specified
*Housing Material: Black LCP
3.Electrical And Acoustical Measuring Condition
Recommended Driving Circuit
Resonant frequency, 1/2 duty cycle. Square wave.
Signal amplitude should be large enough tosaturate
the transistor.
Recommended Setting
4.Frequency Response
3Vo-p 50% duty Square wave,10cm
