- Part number : BM9045S-0327-16
Small 3V SMD Alarm Electro-Magnetic Buzzer For Mobile Phone , Black
Quick Detail:
Size: D9.0mm*H4.5mm
- SPL: Min.85dB at 10cm Input 2.7KHz/3Vo-p 1/2 Duty Square Wave
- Coil Resistance: 16+/-4 ohm
- Operating Voltage: 2-4Vo-p
- Rated Current: Max.90mA Input 2.7KHz/3Vo-p 1/2 Duty Square Wave
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 | 2.5～4.5 Vo-p |
3 | Rated Current | Max.90mA ,at 2730Hz 50% duty Square Wave 3Vo-p |
4 | Sound Output at 10cm | Min. 85dB,at 2730Hz 50% duty Square Wave 3Vo-p |
5 | Coil Resistance | 16±3Ω |
6 | Resonant Frequency | 2730Hz |
7 | Operating Temperature | -20℃～+70℃ |
8 | Store Temperature | -30℃～+80℃ |
9 | Net Weight | Approx 1g |
10 | RoHS | Yes |
*Unit: mm; Tolerance: ±0.5mm Except Specified
*Housing Material: Black PPS
*Terminal plate: 2 soldering pads, Gold Plating Brass
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
Application:
CHANGZHOU FHD ELECTRONICS CO., LTD is a professional manufacturer in the field of ceramic components ,our products is widely used in household electrical appliances; mobile phones; computers; medical equipment; alarm system; pos machine ；access control system; toy; automobile; instrument and meter; electrical equipment; we can produce all kinds of piezo buzzers as long as you have the following details; welcome to consultation discussion.
Packing
