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| Part Number | PSR4028F08S11.5K |
| Datasheet | PSR4028F08S11.5K datasheet |
| Description | SPEAKER 8OHM 1W TOP PORT 97DB |
| Manufacturer | Mallory Sonalert Products Inc. |
| Series | PSR |
| Part Status | Active |
| Technology | Magnetic |
| Type | General Purpose |
| Frequency Range | 390Hz ~ 15kHz |
| Frequency - Self Resonant | 390Hz |
| Impedance | 8 Ohms |
| Efficiency - dBA | 78.00 |
| Efficiency - Testing | 1W/1M |
| Efficiency - Type | Sound Pressure Level (SPL) |
| Power - Rated | 1W |
| Power - Max | 2W |
| Port Location | Top |
| Shape | Rectangular |
| Material - Cone | Polyester, Polyethylene Terephthalate (PET) |
| Material - Magnet | Nd-Fe-B |
| Ingress Protection | - |
| Ratings | - |
| Termination | Solder Eyelet(s) |
| Size / Dimension | 1.575" L x 1.122" W (40.00mm x 28.50mm) |
| Height - Seated (Max) | 0.453" (11.50mm) |