FHD1007T(R)25A
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
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
Note:
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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