Buzzer BMC9650S

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Buzzer BMC9650S

Parts shall be measured under one condition (temperature: 5~35 ℃, humidity: 45% ~ 85% R.H., atmospheric pressure: 860 ~ 1060hPa), unless standard conditions (temperature: 25±3 ℃, humidity: 60±10%R.H. atmospheric pressure: 860 ~ 1060hPa) are adjusted.

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Keywords: buzzer | horn | materialized film

Product Description

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.


Rated Voltage



Operating Voltage



Rated Current

Max.30mA ,at 5VDC


Sound Output at 10cm

Min. 85dB,at 5VDC,10cm


Resonant Frequency






Operating Temperature

-20 - + 80℃


Storage Temperature

-30 - +85℃






Approx 0.7g

2. Dimensions Unit: mm Tolerance: ±0. 3 mm Except Specified

*Housing Material: Black LCP

3.Reliability Test
After any following tests the part shall meet specifications without any degradation in
appearance and performance except SPL. SPL shall not deviate more than -10 dB
from the initial value
3.1 Ordinary Temperature Life Test
The part shall be subjected to 96 hours at 25±10℃. Input rated voltage
Resonant frequency, 1/2 duty Square wave.
3.2 High Temperature Test
The part shall be capable of with standing a storage temperature of +85℃ for 96 hours.
3.3 Low Temperature Test
The part shall be capable of with standing a storage temperature of -30℃ for 96 hours.
3.4 Humidity Test
Temperature:+40℃±3℃ Relative Humidity:90%~95% Duration: 48 hours
and expose to room temperature for 6 hours
3.5 Temperature Shock Test
Temperature:70℃ /1hour→ 25℃/3hours→-30℃/1hour→ 25℃/3hours (1cycle)
Total cycle: 10 cycles
3.6 Drop Test
Standard Packaging From 75cm(Drop on hard wood or board of 5cm thick,
three sides, six plain.)
3.7 Vibration Test
Vibration:1000cycles /min. Amplitude:1.5mm, Duration: 1 hour in each 3 axis
As this product is not protected from foreign material entering, please make sure that any foreign materials (e.g. magnetic powder, washing solvent, flux, corrosive gas) do not enter this product in your production processes. the functional degradation (e.g. spl down) may occur if foreign material enter it.

4. Electrical And Acoustical Measuring Condition

a)Recommended Setting

B) Recommended Test C circuit

5. Surface mounting condition
5.1 Reflow soldering
Recommendable reflow soldering condition is as follows.

Note: (1) In automated mounting of the SMD sound transducers on PCB, any bending, expanding
and pulling forces or shocks against the SMD sound transducers shall be minimum
to prevent them from electrical failures and mechanical damages of the devices.
(2) In the reflow soldering, too high soldering temperatures and too large temperature
Gradient such as rapid heating or cooling may cause electrical failures and mechanical
damages of the devices.

5.2 Soldering pattern


packing requirements

1. BMC9650S tape, 600PCS/reel carrier tape item number: F6-S96501
upper sealing tape: F6-SF213
2. inner box item number: F6-054; Inner box size 76 * 45.5cm
3. Outer box item number: F6-005; Outer box size 35*32 * 36cm
(each carrier plate is packed in a large PE bag and then put into the inner box; PE bag number: f6-610)

shipping mark requirements

inner box:
according to customer order

outer box:
according to customer order

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