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| PartNumber | AT-0927-TT-3-R | AT-0927-TT-5-R | AT-0927-TT-2-R |
| Description | Speakers & Transducers 3VP-P 70MA 20 OHM 86DBA | Speakers & Transducers EM 1.5Vp 2730Hz 90dB Top Fire | Speakers & Transducers 3VP-P 70MA 20OHM 86DBA |
| Manufacturer | PUI Audio | PUI Audio, Inc. | PUI Audio, Inc. |
| Product Category | Speakers & Transducers | Buzzers | Buzzers |
| RoHS | Y | - | - |
| Product | Transducers | Transducers | Transducers |
| Type | Electromagnetic | Electromagnetic | Electromagnetic |
| Frequency | 2.73 kHz | 2.73kHz | 2.73kHz |
| Sound Pressure Level | 86 dBA | 85dB @ 1.5V, 10cm | 86dB @ 3V, 10cm |
| Shape | Round | Round | Round |
| Termination Style | Solder Pin | Solder Pin | Solder Pin |
| Minimum Operating Temperature | - 20 C | - | - |
| Maximum Operating Temperature | + 70 C | - | - |
| Diameter | 9 mm | 9 mm | 9 mm |
| Length | 9 mm | - | - |
| Width | 9 mm | - | - |
| Depth | 4 mm | - | 4 mm |
| IP Rating | - | - | - |
| Current Rating | 70 mA | 90 mA | - |
| Dimensions | 9 mm L x 9 mm W x 4 mm H | 4.5 mm H | - |
| Height | 4 mm | 4.5 mm | - |
| Packaging | Tray | Tray | Tray |
| Self Resonant Frequency | 2.73 kHz | - | - |
| Series | AT | AT | AT |
| Voltage Rating | 3 V | 1.5 V | - |
| Brand | PUI Audio | - | - |
| Product Type | Speakers & Transducers | - | - |
| Factory Pack Quantity | 150 | - | - |
| Subcategory | Audio Devices | - | - |
| Mounting | - | Board Mount | - |
| Operating Temperature Range | - | - 20 C to + 70 C | - 20 C to + 70 C |
| Impedance | - | 6 Ohms | - |
| Termination | - | PC Pins | PC Pins |
| Driver Circuitry | - | Transducer, Externally Driven | Transducer, Externally Driven |
| Technology | - | Magnetic | Magnetic |
| Input Type | - | peak-peak Signal | peak-peak Signal |
| Voltage Rated | - | 1.5Vp-p | 3Vp-p |
| Voltage Range | - | 1 ~ 2V | 2 ~ 4V |
| Operating Mode | - | Continuous | Continuous |
| Current Supply | - | 90mA | 70mA |
| Operating Temperature | - | -20°C ~ 70°C | -20°C ~ 70°C |
| Washable | - | No | No |
| Port Location | - | Top | Top |
| Mounting Type | - | Through Hole | Through Hole |
| Size Dimension | - | 9.0mm Dia x 4.5mm H | 9.0mm Dia x 4.2mm H |
| Height in | - | 0.177 in | - |
| Height mm | - | 4.5 mm | - |