| 型号 | 制造商 | 描述 | 操作 |
| SMA-13-P7,5 [更多] | Sonitron nv | Piezo Sound Generator Dimensions W x H x D: 14 x 14 x 6.5 mm Frequency: 3000 Hz Operating temperature: -20...+70 °C Volume: 75 dB @ 30 cm Current consumption: max. 3.8 mA Tone type: Continuous Contact spacing: 7.5 mm Operating voltage: 1.5...24 VDC
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