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| PartNumber | 254-EMB85CX-RO | 254-EMB84Q-RO | 254-EMB854-RO |
| Description | Audio Indicators & Alerts 8.5 x 8.5 x 4.0mm 2730Hz | Audio Indicators & Alerts 8.5X8.5X3.0mm 2730Hz | Speakers & Transducers 8.5 x 8.5 x 4mm 2500Hz |
| Manufacturer | Kobitone | Kobitone | Kobitone |
| Product Category | Audio Indicators & Alerts | Audio Indicators & Alerts | Speakers |
| Packaging | Reel | Reel | Reel |
| Product | - | Transducers | Transducers |
| Type | - | Electromagnetic | Electromagnetic |
| Termination Style | - | Gullwing Lead | Gullwing Lead |
| Height | - | 3 mm | 4 mm |
| Length | - | 8.5 mm | 8.5 mm |
| Width | - | 8.5 mm | 8.5 mm |
| Frequency | - | 2.73 kHz | 2.5 kHz |
| Sound Pressure Level | - | 87 dBA | 85 dBA |
| Dimensions | - | 8.5 mm L x 8.5 mm W x 3 mm H | 8.5 mm L x 4 mm H x 8.5 mm W |
| Length in | - | 0.335 in | 0.335 in |
| Length mm | - | 8.5 mm | 8.5 mm |
| Width in | - | 0.335 in | 0.335 in |
| Width mm | - | 8.5 mm | 8.5 mm |
| Operating Temperature Range | - | - | - 30 C to + 70 C |
| Shape | - | - | Square |
| Height in | - | - | 0.157 in |
| Height mm | - | - | 4 mm |