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| Part Number | SMI-1027-T-5V-R | SMI-1027-TW-5V-R | SMI-1027-TW-12V-R | SMI-1324-TW-3V-R | SMI-1324-TW-5V-2-R-T/R |
| Manufacturer | PUI Audio, Inc. | PUI Audio, Inc. | PUI Audio, Inc. | PUI Audio, Inc. | PUI Audio, Inc. |
| Series | SMI | SMI | SMI | SMI | SMI |
| Packaging | Tape & Reel (TR) | Tape & Reel (TR) | Tape & Reel (TR) | Tube | Tape & Reel (TR) |
| Product Status | Active | Active | Active | Active | Active |
| Driver Circuitry | Indicator, Internally Driven | Indicator, Internally Driven | Indicator, Internally Driven | Indicator, Internally Driven | Indicator, Internally Driven |
| Input Type | DC | DC | DC | DC | DC |
| Voltage - Rated | 5 V | 5 V | 12 V | 3 V | 5 V |
| Voltage Range | 3 ~ 6.5V | 4 ~ 7V | 7 ~ 15V | 2 ~ 5V | 4 ~ 7V |
| Frequency | 2.7kHz | 2.7kHz | 2.7kHz | 2.4kHz | 2.4kHz |
| Technology | Electromechanical/Magnetic | Electromechanical/Magnetic | Electromechanical/Magnetic | Electromechanical/Magnetic | Electromechanical/Magnetic |
| Operating Mode | Single Tone | Single Tone | Single Tone | Single Tone | Single Tone |
| Duration | - | - | - | - | - |
| Sound Pressure Level (SPL) | 83dB @ 5V, 10cm | 80dB @ 5V, 10cm | 85dB @ 12V, 10cm | 75dB @ 3V, 10cm | 88dB @ 5V, 10cm |
| Current - Supply | 30mA | 30mA | 30mA | 30mA | 30mA |
| Port Location | Top | Top | Top | Top | Top |
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C | -20°C ~ 70°C | -40°C ~ 85°C |
| Approval Agency | - | - | - | - | - |
| Ratings | - | Washable | Washable | Washable | - |
| Ingress Protection | - | - | - | - | - |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Termination | Solder Pads | Solder Pads | Solder Pads | Solder Pads | Solder Pads |
| Size / Dimension | 0.378" L x 0.378" W (9.60mm x 9.60mm) | 0.378" L x 0.378" W (9.60mm x 9.60mm) | 0.378" L x 0.378" W (9.60mm x 9.60mm) | 0.504" L x 0.504" W (12.80mm x 12.80mm) | 0.504" L x 0.504" W (12.80mm x 12.80mm) |
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