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Ningbo Anyo Import & Export Co., Ltd.

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Φ30*15mm Mini Piezo Buzzer , Continuous Tone DC Piezo Buzzer For Ultrasonic Annunciator

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Φ30*15mm Mini Piezo Buzzer , Continuous Tone DC Piezo Buzzer For Ultrasonic Annunciator

Φ30*15mm Mini Piezo Buzzer , Continuous Tone DC Piezo Buzzer For Ultrasonic Annunciator
Φ30*15mm Mini Piezo Buzzer , Continuous Tone DC Piezo Buzzer For Ultrasonic Annunciator Φ30*15mm Mini Piezo Buzzer , Continuous Tone DC Piezo Buzzer For Ultrasonic Annunciator

Large Image :  Φ30*15mm Mini Piezo Buzzer , Continuous Tone DC Piezo Buzzer For Ultrasonic Annunciator

Product Details:

Place of Origin: CHINA
Brand Name: ANYO
Model Number: 3015YX

Payment & Shipping Terms:

Minimum Order Quantity: 500pcs
Price: Negotiation
Packaging Details: customized carton
Delivery Time: 8-10 work days
Payment Terms: L/C, T/T
Supply Ability: 10000pcs per day
Detailed Product Description
Other Name: 12v Piezo Buzzer Rated Voltage: 12V
Operating Voltage: 8-15V Rated Current: ≤15mA
Sound Output: ≥88dB Resonant Frequency: 3300±500Hz
Operation Temperature: -20~+80℃ Material: ABS
Highlight:

piezo electronic buzzer

,

alarm piezo buzzer

Continuous tone DC type piezo buzzer Φ30*15mm for ultrasonic annunciator

 

Description:

 

Piezo buzzer is based on the inverse principle of piezo electricity discovered in 1880 by Jacques and Pierre Curie. It is the phenomena of generating electricity when mechanical pressure is applied to certain materials and the vice versa is also true. Such materials are called piezo electric materials. Piezo electric materials are either naturally available or manmade. Piezo ceramic is class of manmade material, which poses piezo electric effect and is widely used to make disc, the heart of piezo buzzer. When subjected to an alternating electric field they stretch or compress, in accordance with the frequency of the signal thereby producing sound.

 

Feature:


• They feature extremely low power consumption in comparison to electromagnetic units.
• Because these buzzers are designed for external excitation, the same part can serve as both a musical tone oscillator and a buzzer.
• They can be used with automated inserters.Moisture-resistant models are also available. The lead wire type with both-sided adhesive tape installed easily is prepared.

 

Application:

 

Alarm devices

Timers

Confirmation of user input (ex: mouse click or keystroke)

Electronic metronomes

Annunciator panels

Game shows

Sporting events

Household appliances

 

Specifications:

Type Unit 3015YX
Rated voltage V 6 12 24
Operating voltage V 4-8 8-15 3-28
Rated current mA ≤20 ≤15 ≤20
Sound output at 30cm dB ≥85 ≥88 ≥90
Resonant frequency Hz 3400±500 3300±500 3100±500
Operating temperature -20~+80
Weight g 8

 

Difference between piezo buzzer & magnetic buzzer:

A piezo buzzer generates sound because of the piezoelectric effect from the piezoelectric ceramic which drives the metallic diaphragm to vibrate.

A magnetic buzzer is based on the electromagnetic principle, the metal diaphragm is pulled when input the power, and spring back without power.

The piezo buzzer is driven by square waves, and the magnetic buzzer needs 1/2 square waves to drive.

We suggest inputting higher voltage for a piezo buzzer, normally over 9V to have enough SPL. On the other hand, a magnetic buzzer can be driven to generate 85 dB by only 1.5V, but the consumption of the current will be much higher than Piezo one.

To compare the two types of buzzers, the magnetic type can have lower frequency response with the same dimension.

Though being limited by the dimension, the SPL of a magnetic buzzer can only reach to 90 dB. The piezo buzzer can achieve the SPL of 120 dB in some spec., some larger size can also easily reach to 100 dB.

  Piezo buzzer Magnetic buzzer
Start method Piezoelectric effect Electro-magnetic effect
Size Big (10-50mm) Small(6-25mm)
Resonant frequency High(2-6KHz) Low(1-3KHz)
Operating voltage High(9-24V) Low(1.5-12V)
Sound level Louder(85-120dB) Lower(70-95dB)
Current consumption Low(5-20mA) High(35-60mA)

 

Dimension: (mm)

Tolerance: ±0.5

Continuous tone

Φ30*15mm Mini Piezo Buzzer , Continuous Tone DC Piezo Buzzer For Ultrasonic Annunciator 0

Frequency response:

Φ30*15mm Mini Piezo Buzzer , Continuous Tone DC Piezo Buzzer For Ultrasonic Annunciator 1

Contact Details
Ningbo Anyo Import & Export Co., Ltd.

Contact Person: Mr. Roy Zhang

Tel: 86 574 55878090

Fax: 86-574-55878097

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