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| Part Number | MSR320SR |
| Datasheet | MSR320SR datasheet |
| Description | AUDIO PIEZO INDICATOR 3-20V TH |
| Manufacturer | Mallory Sonalert Products Inc. |
| Series | MSR |
| Part Status | Active |
| Driver Circuitry | Indicator, Internally Driven |
| Input Type | DC |
| Voltage - Rated | - |
| Voltage Range | 3 ~ 20V |
| Frequency | 3.5kHz |
| Technology | Piezo |
| Operating Mode | Single Tone |
| Duration | - |
| Sound Pressure Level (SPL) | 73dB @ 3V, 30cm |
| Current - Supply | 3 ~ 16mA |
| Port Location | Top |
| Operating Temperature | -40°C ~ 85°C |
| Approvals | - |
| Ratings | Washable |
| Ingress Protection | - |
| Mounting Type | Through Hole |
| Termination | PC Pins |
| Size / Dimension | 0.906" Dia (23.00mm) |
| Height - Seated (Max) | 0.421" (10.70mm) |