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| PartNumber | 254-PB521-ROX | 254-PB519-ROX |
| Description | Audio Indicators & Alerts PIEZO BUZZER | Audio Indicators & Alerts PIEZO BUZZER |
| Manufacturer | Kobitone | Kobitone |
| Product Category | Audio Indicators & Alerts | Audio Indicators & Alerts |
| Product | Buzzers | Piezoelectric |
| Type | Self-Drive Piezoelectric | Self-Drive Piezoelectric |
| Packaging | Bulk | Bulk |
| Current Rating | 12 mA | 10 mA |
| Termination Style | Solder Pin | Wire Leads |
| Voltage Rating | 3 V to 20 V | 3 V to 30 V |
| Mounting | Flush | Flush |
| Frequency | 2.8 kHz | 3.5 kHz |
| Sound Pressure Level | 100 dBA | 87 dBA |
| Diameter | 42 mm | 31 mm |
| Tone | Continuous | Continuous |