PCB-377C10

PCB-377C10

  • Prepolarized 1/4 "precision microphone capsule for pressure applications,
  • Sensitivity 1.0 mV / PA,
  • Dynamic range > 174 dB,
  • Frequency range 4 … 70,000 Hz
  • basic data
    Nominal diameter of microphone1/4 "
    applicationpressure field
    Sensitivity in the open circuit (at 250 Hz)1.0 mV / PA
    sensitivity in the open circuit (±3 dB)-60 dB in relation to 1 V / PA
    (±2 dB) frequency range4.0 … 70,000 Hz
    Lower limiting frequency (-3 dB)0.25 … 3 Hz
    resonance frequency (phase shift 90°)65,000 Hz[1]
    Noise< 35 dB(A) in relation to 20 µPa
    Dynamic range (for THD ≤ 3%)> 174 dB in relation to 20 µPa
    conditions of use
    temperature range (operation)-40 … 248 ° F-40 … 120 ° C
    Temperature coefficient of sensitivity (10 … 50 ° C)0,004 dB/°FF/0.007 dB / ° C[1]
    influence by static pressure-0.003 dB/kPa
    Humidity coefficient of sensitivity-0.0012 … 0,0012 dB/% RH-0.0012 … 0.0012 dB/% RH[1]
    influence by axial vibration (0.1 g, 1 m/s²)66 dB in relation to 20 µPa[1]
    technical characteristics
    capacity (polarized)5 pF[1]
    polarization voltage0 V[2]
    Physical properties
    housing materialstainless steel alloy
    pressureback
    Mounting thread (for preamp)0,2244 "-60 UNS5.7 mm - 60 UNS
    Mounting thread (for cover)0.25 "-60 UNS6,35 mm - 60 UNS
    size - diameter (with cap)0.28 in7.0 mm
    Size - diameter (without protection cap)0.25 in6.4 mm
    size - height (with cap)0.41 in10.5 mm
    Size - height (without protection cap)0.36 in9.1 mm
    mass0.06 oz1.8 grams[1]
    notes
    [1]typically
    [2]Prepolarized
    Accessories
    ACS-20calibration of precision microphones-1

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