The PFD-21N30PQ is a piezo indicator from Mallory Sonalert, designed for through-hole mounting. It operates within a temperature range of -20 to 70°C and can be powered by a voltage between 3 to 30VDC. The device has a typical operating supply voltage of 12VDC and a maximum supply current of 12mA. It is suitable for applications requiring a minimum sound pressure of 80dBA.
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| Mounting | Through Hole |
| Number of Terminals | 3 |
| Product Height (mm) | 9.5 |
| Product Diameter (mm) | 24 |
| Maximum Resonant Frequency | 3500Hz |
| Frequency Range | 2500 to 3500Hz |
| Min Operating Supply Voltage | 3VDC |
| Typical Operating Supply Voltage | 12VDC |
| Max Operating Supply Voltage | 30VDC |
| Maximum Supply Current | 12mA |
| Type | Indicator |
| Technology | Piezo |
| Minimum Sound Pressure | 80dBAdBA |
| Termination Method | Pin |
| Min Operating Temperature | -20°C |
| Max Operating Temperature | 70°C |
| Cage Code | 90201 |
| EU RoHS | Yes with Exemption |
| HTS Code | 8531809041 |
| Schedule B | 8531800040 |
| ECCN | EAR99 |
| RoHS Versions | 2011/65/EU, 2015/863 |
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