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| Part Number | PSR37N45SK |
| Datasheet | PSR37N45SK datasheet |
| Description | SPEAKR 45OHM 200MW TOP PORT 92DB |
| Manufacturer | Mallory Sonalert Products Inc. |
| Series | PSR |
| Part Status | Active |
| Technology | Magnetic |
| Type | General Purpose |
| Frequency Range | 480Hz ~ 10kHz |
| Frequency - Self Resonant | 480Hz |
| Impedance | 45 Ohms |
| Efficiency - dBA | 79.00 |
| Efficiency - Testing | 1W/1M |
| Efficiency - Type | Sound Pressure Level (SPL) |
| Power - Rated | 200mW |
| Power - Max | 400mW |
| Port Location | Top |
| Shape | Round |
| Material - Cone | Polyester, Polyethylene Terephthalate (PET) |
| Material - Magnet | Nd-Fe-B |
| Ingress Protection | - |
| Ratings | - |
| Termination | PC Pins |
| Size / Dimension | 1.457" Dia (37.00mm) |
| Height - Seated (Max) | 0.866" (22.00mm) |