| Items |
 POM-2242P-C33-R POM Series -42 Decibel (dB) Sensitivity Omni-Directional Microphone List Price {QUOTE}
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 POM-2244P-2-R POM Series -44 Decibel (dB) Sensitivity Omni-Directional Microphone List Price {QUOTE}
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 POM-2730L-HD-R POM Series -30 Decibel (dB) Sensitivity Omni-Directional Microphone List Price {QUOTE}
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 POM-2735P-R POM Series -35 Decibel (dB) Sensitivity Omni-Directional Microphone List Price {QUOTE}
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 POM-2738L-LW100-R POM Series -38 Decibel (dB) Sensitivity Omni-Directional Microphone List Price {QUOTE}
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| Description |
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PUI Audio??s all-new HD Series microphones use premium-grade FETs and diaphragms for high sensitivity and superior signal-to-noise ratio. Each microphone features GSM buzz-blocking capacitors. Upgrade the ECM microphone that you use today with a PUI Audio HD Series microphone. The 6 mm diameter POM-2730L-HD-R is designed for extreme fidelity from 20 Hz to 20 kHz. |
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| Brands | PUI Audio™ | |||||||||
| Manufacturer | PUI Audio� Inc. | |||||||||
| Directivity | Omni-Directional | |||||||||
| Sensitivity | -42 dB | -44 dB | -30 dB | -35 dB | -38 dB | |||||
| Sensitivity Tolerance (±) | 3 dB | 3 dB | 3 dB | 2 dB | 3 dB | |||||
| Testing Condition for Sensitivity |
1 kHz at 50cm 0 dB=1V/Pa |
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| Direct Current (DC) Rated Voltage | 3 V | |||||||||
| Direct Current (DC) Standard Operating Voltage | 2 V | 2 V | 3 V | 2 V | ||||||
| Maximum Direct Current (DC) Operating Voltage | 10 V | 10 V | 10 V | 10 V | ||||||
| Maximum Current Consumption | 0.5 mA | 0.5 mA | 0.5 mA | 0.5 mA | ||||||
| Impedance | 2.2 kΩ | 2.2 kΩ | 2.2 kΩ | 2.2 kΩ | ||||||
| Output Impedance at 1 Kilohertz (kHz) Frequency | 2.2 kΩ | |||||||||
| Current Consumption | 500 µA | |||||||||
| Note for Current Consumption | 3VS with 2.2 kΩ RL | |||||||||
| Signal to Noise Ratio | 74 dB | |||||||||
| Note for Signal to Noise Ratio | 1 kHz, 94 dB input, A-Weighted | |||||||||
| Decreasing Voltage | -3 dB | |||||||||
| Frequency Range | 20 ~ 20000 Hz | 15 to 16000 Hz | ||||||||
| Direct Current (DC) Operating Voltage Range | 1 ~ 10 V | |||||||||
| Maximum Sound Pressure Level (SPL) Input (Total harmonic distortion (THD) < 3 Percent (%)) | 110 dB | |||||||||
| Operating Temperature | -20 ~ +70 ºC | |||||||||
| Storage Temperature | -40 ~ +85 ºC | |||||||||
| Weight | < 0.3 g | |||||||||
| Minimum Signal to Noise Ratio | 60 dB | 58 dB | 60 dB | > 60 dB | ||||||
| Terminals | Pin | Pin | Pin | Lead Wire | ||||||
| Internal Capacitor | 33 pF | |||||||||
| High Temperature Test | 70°C with random humidity for 200 hours | 200 hours at +70°C ± 3°C followed by two hours in normal room temperature | ||||||||
| Low Temperature Test | -40°C with random humidity for 200 hours | 200 hours at -25°C ± 3°C followed by two hours in normal room temperature | ||||||||
| Humidity Test | 40°C with 90% relative humidity for 200 hours | 200 hours at +40 ºC ± 3 ºC with relative humidity at 90% to 95% followed by 2 hours in normal room temperature | ||||||||
| Vibration Test | 3 mm movement for 3 minutes in each of 3 axis | 10-55 Hz for 1 minute with 1.52 mm distance, followed by a two-hour 3 axis test in packaging | ||||||||
| Drop Test | 70 cm free fall onto 20 mm thick board, two directions | Drop microphones in packaging onto concrete floor from 1 meter height in each of 3 axis | ||||||||
| Temperature Cycle Test | -10°C to 50°C, 5 cycles | 30 minutes at -25°C, 10 minutes at 20°C, 30 minutes at +70°C, 10 minutes at 20°C for five cycles, followed by 2 hours in normal room temperature | ||||||||
| Electrostatic Discharge (ESD) Test |
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| Note Electrostatic Discharge (ESD) Test | According to IEC 6100 | |||||||||
| Note for Reliability Testing | After each test, the speaker's SPL shall be ±3 dB of the original SPL | |||||||||
| Diameter | 6 mm | |||||||||
| Height | 2.7 mm | |||||||||
| Tolerance (±) | 0.5 mm | |||||||||
| Angle Tolerance (±) | 3 º | |||||||||
| Industry Standards | Conflict-Free Sourcing Initiative (CFSI) Registration, Evaluation, Authorization and Restriction of Chemicals (REACH) Restriction of Hazardous Substances (RoHS) 2002/95/EC | Restriction of Hazardous Substances (RoHS) 2002/95/EC | Restriction of Hazardous Substances (RoHS) 2011/65/EU | Restriction of Hazardous Substances (RoHS) 2002/95/EC | Restriction of Hazardous Substances (RoHS) 2002/95/EC | |||||
| Features | True 20 Hz to 20 kHz performance | |||||||||
| Note |
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Specifications subject to change or withdrawal without notice. | Specifications subject to change or withdrawal without notice. |
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Specifications subject to change or withdrawal without notice. | |||||
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