| PartNumber | SMT-1027-S-2-R | SMT-1028-S-2-R | SMT-1027-S-3-R |
| Description | Speakers & Transducers SMD TRANSDUCER 3.6VP-P 90MA | Speakers & Transducers TRANSDUCER 3.6 VP-P | Speakers & Transducers EM 90dB 2700Hz 3Vpp |
| Manufacturer | PUI Audio | PUI Audio | PUI Audio |
| Product Category | Speakers & Transducers | Speakers & Transducers | Speakers & Transducers |
| RoHS | Y | Y | Y |
| Product | Transducers | Transducers | Transducers |
| Type | Electromagnetic | Electromagnetic | Electromagnetic |
| IP Rating | - | - | - |
| Series | SMT | SMT | SMT |
| Brand | PUI Audio | PUI Audio | PUI Audio |
| Product Type | Speakers & Transducers | Speakers & Transducers | Speakers & Transducers |
| Subcategory | Audio Devices | Audio Devices | Audio Devices |
| Frequency | - | 2.83 kHz | 2.7 kHz |
| Sound Pressure Level | - | 93 dBA | 85 dBA |
| Impedance | - | 18 Ohms | 20 Ohms |
| Shape | - | Square | Square |
| Termination Style | - | Gullwing Lead | Solder Pad |
| Minimum Operating Temperature | - | - 20 C | - |
| Maximum Operating Temperature | - | + 70 C | - |
| Length | - | 10 mm | 10 mm |
| Width | - | 10 mm | 10 mm |
| Current Rating | - | 100 mA | 80 mA |
| Dimensions | - | 10 mm L x 10 mm W x 3.5 mm H | 10 mm L x 10 mm W x 3 mm H |
| Height | - | 3.5 mm | 3 mm |
| Mounting | - | SMD/SMT | SMD/SMT |
| Packaging | - | Reel | Reel |
| Self Resonant Frequency | - | 2.83 kHz | 2.7 kHz |
| Voltage Rating | - | 3.6 V | 3.6 V |
| Height in | - | 0.138 in | - |
| Height mm | - | 3.5 mm | - |
| Length in | - | 0.394 in | 0.394 in |
| Length mm | - | 10 mm | 10 mm |
| Factory Pack Quantity | - | 1000 | 1000 |
| Width in | - | 0.394 in | 0.394 in |
| Width mm | - | 10 mm | 10 mm |
| Depth | - | - | 3 mm |