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See Product Specifications
| Part Number: | SBM428R |
| Category: | Audio Products |
| Subcategory: | Alarms, Buzzers, and Sirens |
| Manufacturer: | Mallory Sonalert Products Inc. |
| Packaging: | Bulk |
| Product Status: | Active |
| Driver Circuitry: | Indicator, Internally Driven |
| Input Type: | DC |
| Voltage - Rated: | - |
| Voltage Range: | 4 ~ 28V |
| Frequency: | 2.9kHz |
| Technology: | Piezo |
| Operating Mode: | Single Tone |
| Duration: | - |
| Sound Pressure Level (SPL): | 64dB @ 4V, 61cm |
| Current - Supply: | 3 ~ 16mA |
| Port Location: | Top |
| Operating Temperature: | -30°C ~ 65°C |
| Approval Agency: | cUL, UL |
| Ratings: | - |
| Ingress Protection: | - |
| Mounting Type: | Through Hole |
| Termination: | PC Pins |
| Size / Dimension: | 1.687" Dia (42.85mm) |
| Height - Seated (Max): | 0.684" (17.37mm) |
