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Quick Details

  • Place of Origin: Jiangsu, China (Mainland)
  • Brand Name: FHD Piezoelectric Buzzer
  • Model Number: BP1109S Piezoelectric Buzzer
  • Type: Buzzer
  • Buzzer: Piezoelectric Buzzer
  • Resonant Frequency: 4100±500Hz
  • Piezoelectric Buzzers Net Weight: Approx 0.5g
  • Operating Voltage: 1~20 Vp-p
  • Rated Current: Max.5mA , At 4.1KHz 50% duty Square Wave 5Vp-p
  • Sound Output at 10cm: Min. 75dB, At 4.1KHz 50% duty Square Wave 5Vp-p
  • Capacitance of Piezoelectric Buzzers: 12000±30% pF At 1KHz
  • Operating Temperature: -20℃~+70℃
  • Store Temperature: -30℃~+80℃
  • RoHS: Yes

Packaging & Delivery

Packaging Details Carton packaging, sealed with adhesive tape, the outer packing with packing belt. Piezoelectric Buzzer
Delivery Time 10-30days according the different quantity

5v 4100Hz cheap small SMD Piezoelectric buzzer for POS machine

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. Piezoelectric Buzzer Features


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

  2. Piezoelectric Buzzer Dimensions 


Dimensions   Unit: mm  


*Unit: mm; Tolerance: ±0.3mmExcept Specified


*Housing Material: Black LCP

*Terminal plate: 2 soldering pads, tin Plating Brass


  3. Piezoelectric Buzzer Model Details 


Measuring conditio


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


Resonant Frequency



Operating Voltage

1~20 Vp-p


Rated Current

Max.5mA ,at 4.1KHz 50% duty Square Wave 5Vp-p


Sound Output at 10cm

Min. 75dB,at 4.1KHz 50% duty Square Wave 5Vp-p



12000±30%pF at 1KHz


Operating Temperature



Store Temperature



Net Weight

Approx 0.5g






  4. Piezoelectric Buzzer Exploded View 

Electrical And Acoustical Measuring Condition

Recommended Setting

  5. Piezoelectric Buzzer Advantages 


Frequency Response


5Vp-p 50% duty Square wave,10cm  

  6. Piezoelectric Buzzer Related Applications

  buzzer or beeper is an audio signalling device, which may be mechanical, electromechanical, or Piezoelectricelectric. Typical uses of buzzers and beepers include alarm devices, timers and confirmation of user input such as a mouse click or keystroke.

  7. Piezoelectric Buzzer Family Models 

There are so many products in FHD, such as Mylar speaker, Piezoelectricelectric Buzzer, Receiver, Microphone, Alarms and so on. FHD products have been used abroad in many famous electronic factories.

  8. Piezoelectric Buzzer Workshop 

Our company has been specializing in Acoustic products since 1996. Our company has been producing cutting-edge acoustic components for 10 years. We have focused on the research and development of our products. Our main products are:

Electromagnetic and Piezoelectric Transducers/Buzzers 

  10.  OEM/ODM Services about Piezoelectric Buzzer


 FHD defines an OEM (Original Equipment Manufacturer) as an entity or organization that integrates a customized or embedded Canbo product in its own unique solution for sale to its customers. The proof of this concept is that the FHD product must be significantly transformed. The OEM Partner primarily uses its own company logo and brand name on its solution and it markets, sells and provides technical and warranty support directly to its customers. Our main product is Piezoelectricelectric buzzer.

  11.  Your Facotry Name specialized in Piezoelectric buzzer


Our company has been specializing in micro acoustic products since 1997. Our company has been producing  piezoelectric  buzzer for 18 years. We have focused on the research and development of our products. It has worldwide customers from USA, Germany, Korea, Netherlands and some other countries. Satisfying the customer consistently with the most suitable products, FHD products have been used abroad in many famous electronic factories.


We employ over 200 people in our factory and 15 full time engineers in our R&D division. None of them are new comers to the field, and some of them have 18 years or more of experience in acoustic technology.


We already have a factory of 2,000 square meters with our facilities for production, so our monthly production capacity reaches 2,000,000 finished pieces. Most products of what we produced in 2005 were exported to markets in Europe and the United States.



  12.   Piezoelectric Buzzer  FAQ

Piezoelectric Buzzer Payment terms:  T/T, L/C, Paypal, Western union all support

Piezoelectric Buzzer Delivery time:  Sample order 3 working days, Container order 10 working days.

Piezoelectric Buzzer Minimum order quantity :  1 PC

Guarantee period:  12 months

OEM service:   Support (Print logo on carton for free)

To Know more price and prodcts details please send Inquiry.
Response Time < 24 Hours

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