FHD1612T25A-Changzhou FHD electronics Co.,Ltd

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FHD1612T25A

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.

Category： Ultrasonic sensor

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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

25.0±1.0KHz

Transmitting sound Pressure Level at resonant frequency;0dB re 0.0002μbar per 10Vrms at 30cm

115 dB min.

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

1.2KHz

Nominal Impedance（Ohm）

900 max.

Capacitance at 1KHz ±25%

2700pf

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

100V_P-P

Total Beam Angle -6dB

50°±10°

Operation Temperature

-30to80℃

Storage Temperature

-40to85℃

2.Dimensions Unit：mm case(Aluminium)

3.Electrical And Acoustical Measuring Condition

Recommended Setting

FC: Frequency Counter MA: Measuring Amplifier

BFO: Beat Freq. Osc. MIC: Microphone

TUT: Transducer Under Test AEC: Anechoic Chamber

Directional testing

Beam Angle:Tested at 25.0Khz frequency

2、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)impact test

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

b)Drop Test

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

c)Vibration

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.

d)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.

e)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.

h)High temperature lifespan The product operates at+80± 3 ℃ for 118 hours, and then remains at room temperature for 24 hours

i)Low temperature lifespan The product is operated at -40 ± 3 ℃ for 118 hours, and then left at room temperature for 24 hours.

j)High temperature and high humidity operation The product operates at a temperature of 80 ± 3 ℃ and a humidity of 85% R H. Work for 375 hoursz, and then leave it at room temperature for 24 hours.

k)High and low temperature characteristics The product remains stable for 30 minutes in the ambient temperature range of -40 ± 3 ℃, stable for 30 minutes in the temperature range of 25 ± 3 ℃, and stable for 30 minutes in the temperature range of+80 ± 3 ℃

3 .Packing

3.1 Install the product in plastic tubes (provided by the customer), with 25PCS per pair of tubes placed as shown in the picture, and the pins cannot be used to mortgage the product screen.

Fix the plug head with tape at both ends to prevent it from falling off.