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| PartNumber | PFD-27A35PQ | PFD-27A35WQ | PFD-27A35ERQ |
| Description | Audio Indicators & Alerts CONSTANT/FAST PULSE 3-24VDC, 95DB, 30X16 | Audio Indicators & Alerts CONSTANT/FAST PULSE 3-24VDC, 95DB, 30X16 | Audio Indicators & Alerts CONSTANT/FAST PULSE 3.5KHZ, 95DB, 37X24 |
| Manufacturer | Mallory Sonalert Products Inc. | - | Mallory Sonalert Products Inc. |
| Product Category | Buzzers | - | Buzzers |
| Series | PFD | - | PFD |
| Packaging | Bulk | - | Bulk |
| Frequency | 3.5kHz | - | 3.5kHz |
| Termination | PC Pins | - | Quick Connect Tab - 0.189" (4.80mm) |
| Driver Circuitry | Indicator, Internally Driven | - | Indicator, Internally Driven |
| Technology | Piezo | - | Piezo |
| Input Type | DC | - | DC |
| Voltage Rated | 12VDC | - | 12VDC |
| Voltage Range | 3 ~ 24V | - | 3 ~ 24V |
| Operating Mode | Continuous, Fast Pulse | - | Continuous, Fast Pulse |
| Sound Pressure Level | 95dB @ 12V, 30cm | - | 95dB @ 12V, 30cm |
| Current Supply | 10mA | - | 15mA |
| Operating Temperature | -20°C ~ 70°C | - | -20°C ~ 70°C |
| Washable | No | - | No |
| Port Location | Top | - | Top |
| Mounting Type | Through Hole | - | Panel Mount |
| Size Dimension | 30.0mm Dia x 16.2mm H | - | 36.5mm Dia x 23.7mm H |