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| PartNumber | 255-400ST12M-ROX | 255-400ST10P-ROX | 255-400ST12P-ROX |
| Description | Speakers & Transducers 40KHz .50 Inch XMTR | Speakers & Transducers 40khz TRANSMITTER | Speakers & Transducers 40khz TRANSMITTER |
| Manufacturer | Kobitone | Kobitone | Kobitone |
| Product Category | Speakers | Speakers | Speakers |
| Product | Transducers | Transducers | Transducers |
| Type | Ultrasonic | Ultrasonic | Ultrasonic |
| Packaging | Tray | - | Bulk |
| Termination Style | Solder Pin | Solder Pin | Solder Pin |
| Operating Temperature Range | - 30 C to + 70 C | - 40 C to + 85 C | - 30 C to + 70 C |
| Frequency | 40 kHz | 40 kHz | 40 kHz |
| Sound Pressure Level | 115 dBA | 115 dBA | 115 dBA |
| Shape | Round | Round | Round |
| Diameter | 12.85 mm | 10 mm | 12.85 mm |
| Depth | 8.8 mm | 7.2 mm | 8.8 mm |
| Power Rating | - | 200 mW | - |