| PartNumber | SMT-0540-S-R | SMT-0540-T-7-R | SMT-0540-T-2-R |
| Description | Speakers & Transducers SMD TRANSDUCER 3VP-P 100MA | Speakers & Transducers 3VP-P 100MA GOLD PLATED LEADS | Speakers & Transducers EM 74dBA 4KHz 3Vpp |
| 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 | 4 kHz | 4kHz | 4kHz |
| Sound Pressure Level | 78 dBA | 78dB @ 3V, 10cm | 78dB @ 3V, 10cm |
| Shape | Square | Square | Square |
| Termination Style | Gullwing Lead | Gullwing Lead | Solder Pin |
| Minimum Operating Temperature | - 40 C | - | - |
| Maximum Operating Temperature | + 85 C | - | - |
| Length | 5 mm | 5 mm | 5 mm |
| Width | 5 mm | 5 mm | 5 mm |
| Depth | 2 mm | 2 mm | 3 mm |
| IP Rating | - | - | - |
| Current Rating | 100 mA | - | - |
| Dimensions | 5 mm L x 5 mm W x 2 mm H | 5 mm L x 5 mm W | 5 mm L x 5 mm W |
| Height | 2 mm | - | - |
| Mounting | SMD/SMT | - | - |
| Packaging | Reel | Tape & Reel (TR) Alternate Packaging | Tape & Reel (TR) Alternate Packaging |
| Self Resonant Frequency | 4 kHz | - | - |
| Series | SMT | SMT | SMT |
| Voltage Rating | 3 V | - | - |
| Brand | PUI Audio | - | - |
| Length in | 0.197 in | - | - |
| Length mm | 5 mm | - | - |
| Product Type | Speakers & Transducers | - | - |
| Factory Pack Quantity | 2000 | - | - |
| Subcategory | Audio Devices | - | - |
| Width in | 0.197 in | - | - |
| Width mm | 5 mm | - | - |
| Unit Weight | 0.010582 oz | - | - |
| Operating Temperature Range | - | - 40 C to + 85 C | - 40 C to + 85 C |
| Termination | - | Solder Pads | Solder Pads |
| Driver Circuitry | - | Transducer, Externally Driven | Transducer, Externally Driven |
| Technology | - | Magnetic | Magnetic |
| Input Type | - | peak-peak Signal | peak-peak Signal |
| Voltage Rated | - | 3Vp-p | 3Vp-p |
| Voltage Range | - | 2 ~ 4V | 2 ~ 4V |
| Operating Mode | - | Continuous | Continuous |
| Current Supply | - | 100mA | 100mA |
| Operating Temperature | - | -30°C ~ 70°C | -30°C ~ 70°C |
| Washable | - | No | No |
| Port Location | - | Top | Top |
| Mounting Type | - | Surface Mount | Surface Mount |
| Size Dimension | - | 5.0mm L x 5.0mm W x 2.1mm H | 5.0mm L x 5.0mm W x 3.0mm H |
| Length in | - | 0.197 in | 0.197 in |
| Length mm | - | 5 mm | 5 mm |
| Width in | - | 0.197 in | 0.197 in |
| Width mm | - | 5 mm | 5 mm |