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| Part Number | AST2311MATRQ |
| Datasheet | AST2311MATRQ datasheet |
| Description | AUDIO PIEZO TRANSDUCER 1-30V SMD |
| Manufacturer | Mallory Sonalert Products Inc. |
| Series | AST |
| Part Status | Obsolete |
| Driver Circuitry | Transducer, Externally Driven |
| Input Type | Peak-Peak Signal |
| Voltage - Rated | 9V |
| Voltage Range | 1 ~ 30V |
| Frequency | 4kHz |
| Technology | Piezo |
| Operating Mode | Single Tone |
| Duration | - |
| Sound Pressure Level (SPL) | 100dB @ 9V, 10cm |
| Current - Supply | 8mA |
| Port Location | Top |
| Operating Temperature | -30°C ~ 70°C |
| Approvals | - |
| Ratings | Washable |
| Ingress Protection | - |
| Mounting Type | Surface Mount |
| Termination | Solder Pads |
| Size / Dimension | 0.906" L x 0.906" W (23.00mm x 23.00mm) |
| Height - Seated (Max) | 0.437" (11.10mm) |