谐振频率Resonant frequency (Fr) | 2.4±0.3 KHz |
谐振电阻Resonant resistance (R) | 100Ω Max |
静电容量Electrostatic capacity (C) | 180000±30%pF at 120Hz |
介电损耗Dielectric loss | Max 5% |
绝缘电阻Insulation resistance | Min 100MΩ @25VDC |
金属片材料Material of metal plate | SUS 304 |
金属片直径Metal plate diameter (D) | Φ31.8 +0.1/-0.1 mm |
压电片直径PZT plate diameter (d) | Φ31 +0.3/-0.3 mm |
蜂鸣片总厚度Element total thickness (T) | 0.46 ±0.05 mm |
金属片厚度Metal plate thickness (t) | 0.15 ±0.01 mm |
最大输入电压Maximum input voltage | 30Vp-p |
工作温度范围Operating temperature range | -20~+70℃ |
存储温度范围Storage temperature range | -20~+80℃ |
备注Note | 双面印刷绿色阻焊剂 |
APPERANCE AND DIMMENSIONS: