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| Part Number | PFD-21N30PQ |
| Datasheet | PFD-21N30PQ datasheet |
| Description | AUDIO PIEZO INDICATOR 3-30V TH |
| Manufacturer | Mallory Sonalert Products Inc. |
| Series | PFD |
| Part Status | Active |
| Driver Circuitry | Indicator, Internally Driven |
| Input Type | DC |
| Voltage - Rated | 12V |
| Voltage Range | 3 ~ 30V |
| Frequency | 3kHz |
| Technology | Piezo |
| Operating Mode | Pin Selectable |
| Duration | 3 PPS |
| Sound Pressure Level (SPL) | 80dB @ 12V, 30cm |
| Current - Supply | 12mA |
| Port Location | Top |
| Operating Temperature | -20°C ~ 70°C |
| Approvals | - |
| Ratings | - |
| Ingress Protection | - |
| Mounting Type | Through Hole |
| Termination | PC Pins |
| Size / Dimension | 0.945" Dia (24.00mm) |
| Height - Seated (Max) | 0.382" (9.70mm) |