| PartNumber | SMT-1028-S-2-R | SMT-1028-S-5V-2-R | SMT-1028-S-5V-R |
| Description | Speakers & Transducers TRANSDUCER 3.6 VP-P | Speakers & Transducers SURFACE MOUNT TRANSDUCR 5VP-P 70MA | Speakers & Transducers SMD TRANSDUCER 5VP-P 70MA |
| Manufacturer | PUI Audio | PUI Audio | PUI Audio |
| Product Category | Speakers & Transducers | Speakers & Transducers | Speakers & Transducers |
| RoHS | Y | - | Y |
| Product | Transducers | Transducers | Transducers |
| Type | Electromagnetic | Electromechanical | Electromagnetic |
| Frequency | 2.83 kHz | - | 2.83 kHz |
| Sound Pressure Level | 93 dBA | 93 dBA | 93 dBA |
| Impedance | 18 Ohms | - | - |
| Shape | Square | Square | - |
| Termination Style | Gullwing Lead | SMD/SMT | - |
| Minimum Operating Temperature | - 20 C | - 20 C | - |
| Maximum Operating Temperature | + 70 C | + 70 C | - |
| Length | 10 mm | 10 mm | 10 mm |
| Width | 10 mm | 10 mm | 10 mm |
| IP Rating | - | - | - |
| Current Rating | 100 mA | 70 mA | - |
| Dimensions | 10 mm L x 10 mm W x 3.5 mm H | 10 mm L x 10 mm W x 3.5 mm H | 10 mm L x 10 mm W x 3.5 mm H |
| Height | 3.5 mm | 3.5 mm | 3.5 mm |
| Mounting | SMD/SMT | SMD/SMT | - |
| Packaging | Reel | Reel | Reel |
| Self Resonant Frequency | 2.83 kHz | 2.83 kHz | - |
| Series | SMT | SMT | SMT |
| Voltage Rating | 3.6 V | 5 V | - |
| Brand | PUI Audio | PUI Audio | PUI Audio |
| Height in | 0.138 in | - | 0.138 in |
| Height mm | 3.5 mm | - | 3.5 mm |
| Length in | 0.394 in | - | 0.394 in |
| Length mm | 10 mm | - | 10 mm |
| Product Type | Speakers & Transducers | Speakers & Transducers | Speakers & Transducers |
| Factory Pack Quantity | 1000 | 1000 | 1000 |
| Subcategory | Audio Devices | Audio Devices | Audio Devices |
| Width in | 0.394 in | - | 0.394 in |
| Width mm | 10 mm | - | 10 mm |
| Power Rating | - | - | - |
| Diameter | - | - | - |
| Depth | - | 3.5 mm | - |