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SFM-27型压电式有源蜂鸣器(厂家直销)13717374058信息 |
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产品详细说明
产品详细说明: SFM-27型 | | | | | SPECIFICATIONS | Type | Unit | SFM-27 | Rated Voltage(Square Wave) | V | 6 | 12 | 24 | Operating Voltage | V | 4-8 | 8-15 | 3-28 | *Rated Current(MAX) | mA | 20 | 15 | 20 | *Min Sound Output at 10 cm | dB | 85 | 88 | 90 | *Resonant Frequency | Hz | 3400±500 | 3300±500 | 3100±500 | Operating Temperature | ℃ | -20~+80 | Weight | g | 8 |
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