蜂鸣器塑磁结构或铜环+铷铁硼磁铁结构可选,铜环结构声音音质好,音量大,生产难度较塑磁更大,成本高0.06元左右
Model NO | GMD9505YB-3V2700 | GMD9505YB-5V2700 |
Rated Voltage | 3VDC | 5VDC |
Operating Voltage | 2.0~5.0 VDC | 4.0~7.0 VDC |
Max.Rated Current | Max.30mA | Max.30mA |
Min.sound Pressure level at10cm | Min.80dB | Min.85dB |
Resonant Frequency | 2700±300Hz | 2700±300Hz |
Housing Material | PPO | PPO |
Operating Temperature | -20 ℃~+70 ℃ | -20 ℃~+70 ℃ |
Storage Temperature | -30 ℃~+80 ℃ | -30 ℃~+80 ℃ |