PCB-377C10
| basic data | |||
| Nominal diameter of microphone | 1/4 " | ||
| application | pressure 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 range | 4.0 … 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/°F | F/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 voltage | 0 V | [2] | |
| Physical properties | |||
| housing material | stainless steel alloy | ||
| pressure | back | ||
| Mounting thread (for preamp) | 0,2244 "-60 UNS | 5.7 mm - 60 UNS | |
| Mounting thread (for cover) | 0.25 "-60 UNS | 6,35 mm - 60 UNS | |
| size - diameter (with cap) | 0.28 in | 7.0 mm | |
| Size - diameter (without protection cap) | 0.25 in | 6.4 mm | |
| size - height (with cap) | 0.41 in | 10.5 mm | |
| Size - height (without protection cap) | 0.36 in | 9.1 mm | |
| mass | 0.06 oz | 1.8 grams | [1] |
| notes | |||
| [1] | typically | ||
| [2] | Prepolarized | ||
| Accessories | |||
| ACS-20 | calibration of precision microphones | -1 |
PCB-377C10
