 |  | | |
| PartNumber | PFD-21A29WQ | PFD-21N30PQ | PFD-21N30WQ |
| Description | Audio Indicators & Alerts CONSTANT/FAST PULSE 3-24VDC, 85DB, 24X14 | Audio Indicators & Alerts CONSTANT/FAST PULSE 3-28VDC, 80DB, 24X10 | Audio Indicators & Alerts CONSTANT/FAST PULSE 3-28VDC, 80DB, 24X10 |
| Manufacturer | Mallory Sonalert | Mallory Sonalert Products Inc. | - |
| Product Category | Audio Indicators & Alerts | Buzzers | - |
| RoHS | Y | - | - |
| Product | Buzzers | - | - |
| Sound Pressure Level | 85 dBA | 80dB @ 12V, 30cm | - |
| Tone | Continuous | - | - |
| Voltage Rating | 12 V | - | - |
| Current Rating | 18 mA | - | - |
| Termination Style | Wire Leads | - | - |
| IP Rating | - | - | - |
| Diameter | 24 mm | - | - |
| Dimensions | 24 mm L x 24 mm W x 13.5 mm H | - | - |
| Mounting | Flush | - | - |
| Height | 13.5 mm | - | - |
| Length | 24 mm | - | - |
| Series | PFD | PFD | - |
| Width | 24 mm | - | - |
| Brand | Mallory Sonalert | - | - |
| Height in | 0.551 in | - | - |
| Height mm | 14 mm | - | - |
| Product Type | Audio Indicators & Alerts | - | - |
| Factory Pack Quantity | 1 | - | - |
| Subcategory | Audio Devices | - | - |
| Unit Weight | 0.126986 oz | - | - |
| Packaging | - | Bulk | - |
| Frequency | - | 3kHz | - |
| Termination | - | PC Pins | - |
| Driver Circuitry | - | Indicator, Internally Driven | - |
| Technology | - | Piezo | - |
| Input Type | - | DC | - |
| Voltage Rated | - | 12VDC | - |
| Voltage Range | - | 3 ~ 30V | - |
| Operating Mode | - | Continuous, Fast Pulse | - |
| Current Supply | - | 12mA | - |
| Operating Temperature | - | -20°C ~ 70°C | - |
| Washable | - | No | - |
| Port Location | - | Top | - |
| Mounting Type | - | Through Hole | - |
| Size Dimension | - | 24.0mm Dia x 9.7mm H | - |