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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
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 Resonant Frequency 40. 0±1. 0KHz
2 Transmitting sound Pressure Level
at resonant frequency;0dB re 0.0002μbar per 10Vrms at 30cm
115 dB min.
3 Receiving Sensitivity at resonant frequency 0dB=1vo1t/ ubar -67 dB min.
4 Bandwidt (-6dB) F. O.M Transmitting sound Pressure Level 1. 2KHz
5 Nomina1 Impedance (0hm) 1000
6 Ringing (measuerd withrubber holder as per figure on next page) 1. 5ms
7 Capacitance at 1KHz ±25% 2200pf
8 Max. Driving Vo1tage (pul se width 0.5ms interval 50ms) 50VP-P
9 Tota1 Beam Ang1e -6dB 90°±12°
10 Operation Temperature -30to80°C
11 Storage Temperature -40to85°C


2. Dimensions Unit: mm


3. Electrical And Acoustical Measuring Condition

Recommended Setting

Impedance/Phase Angle vs.Frequency

Tested under 1Vrms Oscillation Level

Sensitivity/Sound Pressure Level

Tested under 10Vrms@30cm

Beam Angle

Tested at 40.0Khz frequency


4.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 -5 dB from the initial value
a)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.
B )High Temperature Test
The part shall be capable of with standing a storage temperature of +80℃ for 96 hours.
c)Low Temperature Test
The part shall be capable of with standing a storage temperature of -40℃ for 96 hours.
d)Humidity Test
Temperature:+40℃±3℃ Relative Humidity:90%~95% Duration: 48 hours and expose to room temperature for 6 hours
e)Temperature Shock Test
Temperature:60℃ /1hour→ 25℃/3hours→-20℃/1hour→ 25℃/3hours (1cycle) Total cycle: 10 cycles
f)Drop Test
Standard Packaging From 75cm (Drop on hard wood or board of 5cm thick, three sides, six plain.)
g)Vibration Test
Vibration:1000cycles /min. Amplitude:1.5mm, Duration: 1 hour in each 3 axes

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.

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

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