Home DSW.Profile Products QualityControl R&D Section Inquiry Managment OEM/ODM
Solution For Acoustic
Part Number 40C16T-1 40C16R-1
Construction Open structure type Open structure type
Using Method Transmitter Receiver
Center frequency 40.0 1.0KHz 40.0 1.0KHz
Sound pressure level at 40KHz 114dB min.(0dB=0.02mpa)  
Sensitivity at 40KHz Capacitance 2500Pf 20% 68dB min.(0dB=10V/pa0 2500Pf 20%
Maximum input voltage 20Vrms 20Vrms
Directivity 60 15(-6dB) 60 15(-6dB)
Operating Temperature


Storage Temperature -40°C-+85°C -40°C-+85°C
Part Number 40C16T-1
Center frequency (KHz) 40.0+/-1.0
Sound pressure level (dB) 113(min)
Sensitivity (dB) -72(min)
Capacitance (pF) -------
Angle of major lobe 50°
Directivity deg (-6dB) 30°
Ring time (ms)** =<1.1
Max driving voltage (V)


Working temperature (°C) -30~80
Case/ color Aluminum/black
  • Sound Pressure Level: 0 dB v.s. 0.0002ubar measured at 10Vrms, 30cm distance.
  • Sensitivity: 0dB v.s. 1V/ubar.
  • Ring time was test with input 120V, 40KHz,0.8msec square wave.
  •     Outline Dimension

    A=25.0 +/- 0.5
    B=12.0 +/- 0.5
    C=8.0 +/- 1.0
    D=6.0 +/- 1.0
    E=10.0 +/- 1.0
    F=1.0 +/- 0.1
    Unit: mm

    Impedance/Phase Angle VS Frequency Sound Pressure Level VS Frequency Sensitivity VS Frequency
    Address: Room1621 Linqiao Piazza, Ningbo City,315010, China
    Tel: +86(574) 27861829   27861849   27861830   Fax: +86(574)87264906
    E-mail: admin@blunet.net.cn
    Copyright ©1995-2003 DSW Electronics Ltd. All rights reserved.RSS Feeds