| PartNumber | CMT-1270S-SMT-TR | CMT-1102-SMT-TR | CMT-1285C-015 |
| Description | Speakers & Transducers Buzzer 12.8x9.8mm 2.4kHz 1.5V SMT | Speakers & Transducers buzzer, 11 x 9 mm, 1.7 mm deep, P, 25 V, SMT, no driving circuit, T&R package | Speakers & Transducers Buzzer 12mm rnd 2.048kHz 1.5V TH |
| Manufacturer | CUI Inc. | CUI Inc. | CUI Inc. |
| Product Category | Speakers & Transducers | Speakers & Transducers | Speakers & Transducers |
| RoHS | Y | Y | Y |
| Product | Transducers | Transducers | Transducers |
| Type | Electromagnetic | Piezoelectric | Electromagnetic |
| Frequency | 2.4 kHz | 4.1 kHz | 2.048 kHz |
| Sound Pressure Level | 85 dB | 73 dB | 91 dB |
| Shape | Square | Square | Round |
| Termination Style | SMD/SMT | Solder Lug | Solder Pin |
| Minimum Operating Temperature | - 20 C | - 40 C | - 20 C |
| Maximum Operating Temperature | + 70 C | + 80 C | + 60 C |
| Length | 12.8 mm | 11 mm | - |
| Width | 9.8 mm | 9 mm | - |
| IP Rating | - | - | - |
| Current Rating | 60 mA | 4.5 mA | 35 mA |
| Dimensions | 12.8 mm L x 9.8 mm W x 7 mm H | 11 mm L x 9 mm W x 1.7 mm H | - |
| Height | 7 mm | 1.7 mm | 8.5 mm |
| Mounting | SMD/SMT | SMD/SMT | Through Hole |
| Packaging | Reel | Reel | Tray |
| Series | CMT-1270S-SMT | - | CMT-1285C-015 |
| Voltage Rating | 1.5 V | 25 V | 1.5 V |
| Brand | CUI | CUI | CUI |
| Height mm | 7 mm | 1.7 mm | - |
| Length mm | 12.8 mm | 11 mm | 8.5 mm |
| Product Type | Speakers & Transducers | Speakers & Transducers | Speakers & Transducers |
| Factory Pack Quantity | 450 | 2000 | 100 |
| Subcategory | Audio Devices | Audio Devices | Audio Devices |
| Width mm | 9.8 mm | 9 mm | - |
| Unit Weight | 0.070548 oz | 0.010582 oz | 0.049384 oz |
| Height in | - | 0.067 in | - |
| Length in | - | 0.433 in | - |
| Width in | - | 0.354 in | - |
| Diameter | - | - | 12 mm |
| Depth | - | - | 8.5 mm |