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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 1.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.


Resonant Frequency 40.0±1.0KHz


Ringing(measuerd with rubber holder as per figure on next page) 1.5ms max.


Echo(testing distance of 1000mm) 70mv min.


Bandwidt(-6dB)  F.O.M. Transmitting sound Pressure Level 1.2KHz


Nominal Impedance(Ohm) 1000 max.


Capacitance at 1KHz   ±25% 2200pf


Max.Driving Voltage(pulse width 0.5ms interval 50ms) 50VP-P


Total Beam Angle   -6dB 80°±12°


Operation Temperature -30to80℃


Storage Temperature -40to85℃

2.Dimensions       Unit:mm Case(Aluminium)

3.Electrical And Acoustical Measuring Condition
Recommended Setting

wave form

Directional testing

Beam Angle:Tested at 40.0Khz frequency


2、Reliability Test

After any following tests the part shall meet specifications without any degradation in appearance and performance except echo and ringing.Echo variation not exceeding 30%, residual vibration≤2.4ms.

    1、impact test

At an acceleration of 980m/s²(100G), impact three times on each side.

    2、Drop Test

Standard Packaging From 100±1cm(Drop on hard wood or board of 5cm thick, 10times.


The product can withstand frequencies ranging from 10 to 55Hz, amplitude of 1.5mm, and scanning speed rate: loct/min vibration test, X, Y, Z three directions, 3 hours in each direction.

    4、high temperature storage

The product is stored at +80 ± 3 ℃ for 1000 hours, and then stored in a strip at room temperature. Place under the piece for 24 hours.

    5、low temperature storage

The product is stored at -40 ± 3 ℃ for 1000 hours, and then stored in a strip at room temperature. Place under the piece for 24 hours. f) High temperature and high humidity storage The product operates at a temperature of+80 ± 3 ℃ and a humidity of 85% R.H  Storage for 1000h, then place at room temperature for 24 hours. g)Thermal Shock The probe is connected in parallel with a 3.9K Ω resistor at both ends, and is kept at -40 ℃± 3 ℃ for 0.5 hours. It is then heated to+80 ℃± 3 ℃ within 5 minutes and kept for 0.5 hours. After 1000 cycles, it is left at room temperature for 24 hours.  




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Mobile Phone: 008613813568186
Fax: 0519-88739926
Zhenglu Town, Tianning District, Changzhou City, Jiangsu Province

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