尺寸：电子规格：Model No.FT-27T-4.0A1Input Voltage (Vp-p)30 maxResonant Frequency (KHz)4.0±0.5Resonant Impedance (Ω)200 maxCapacitance 100Hz (PF)25000±30%Operating Temperature (℃)-20～+70Storage Temperature (℃)-30～+80Ceramic plate diameter “d”(mm)Φ20±0.3Metal plate diameter “D”(mm)Φ27+0/-0.1Metal plate Thickness “t”(mm)0.3±0.01Total Thickness “T”(mm)0.5±0.05Metal MaterialBrass (H65)PART NOFr(KHZ)Zr(Ω)Fr(KHZ)ShapcDimension(mm)MetalDTttFT-9.9H-7.0A17.0±0.770010±30%A9.970.120.05AlloyFT-11H-6.0A16.0±0.750012±30%A1180.120.05AlloyFT-11G-8.5A18.5±150013±30%A1180.170.1StainlessSteelFT-12T-5.3A15.3±0.750013±30%A1290.120.05BrassFT-12H-5.3A15.3±0.750013±30%A1290.120.05AlloyFT-12T-5.3B15.3±0.750013±30%B1290.120.05BrassFT-12H-5.3B15.3±0.750012±30%B1290.120.05AlloyFT-12G-16.5A116.5±150013±30%A1290.320.25StainlessSteelFT-13H-4.5A14.5±0.550025±30%A1390.120.05AlloyFT-13T-10.0D310.0±18010±30%D1312.50.450.15BrassFT-13.5T-7.5A17.5±0.840013±30%A13.5100.220.1BrassFT-15T-6.0A16.0±0.630014±30%A15110.220.1BrassFT-15T-6.0A16.0±0.630025±30%A15120.220.1BrassFT-20T-3.5A13.5±0.530025±30%A20150.220.1BrassFT-20T-3.5B13.5±0.530022±30%B20150.220.1BrassFT-20T-6.0A16.0±0.630012±30%A20150.420.2BrassFT-20T-6.0B16.0±0.635010±30%B20150.420.2BrassFT-21T-3.8B13.8±0.435020±30%B21150.250.13BrassFT-21G-3.8B13.8±0.435020±30%B21150.220.1StainlessSteelFT-21T-3.8A33.8±0.5100100±30%A321200.330.1BrassFT-22.5G-6.0C16.0±0.630012±30%C22.516.80.430.2StainlessSteelFT-23T-3.6A33.6±0.510080±30%A323220.330.1BrassFT-23T-4.8A34.8±0.380120±30%A323230.430.12BrassFT-27T-2.3A12.3±0.530045±30%A27200.220.1BrassFT-27T-2.3B12.3±0.530045±30%B27200.220.1BrassFT-27G-2.8A12.8±0.530045±30%A27200.220.1StainlessSteelFT-27G-2.8B12.8±0.530045±30%B27200.220.1StainlessSteelFT-27T-3.6A13.6±0.530025±30%A27200.420.2BrassFT-27T-2.8A32.8±0.5100130±30%A327250.330.1BrassFT-31T-1.6A11.6±0.550045±30%A31200.220.1BrassFT-31H-1.6A11.6±0.550045±30%A31200.220.1AlloyFT-31T-2.6B12.6±0.530020±30%B31200.430.2BrassFT-31.7T-4.0A34.0±0.6100120±30%A331.731.70.530.2BrassFT-35T-1.3A11.3±0.530070±30%A35250.220.1BrassFT-35T-1.8A11.8±0.530070±30%A35250.320.2BrassFT-35T-2.6A12.6±0.530035±30%A35250.420.2BrassFT-35G-2.9A12.9±0.330028±30%A35250.530.3StainlessSteelFT-35T-2.9B12.9±0.330025±30%B35250.530.3BrassFT-35T-3.2A13.2±0.330028±30%A35250.620.4BrassFT-35G-3.2B13.2±0.330025±30%B35250.530.3StainlessSteelFT-41T-1.0A1.0±0.3100075±30%A41250.220.1BrassFT-41H-1.0A1.0±0.3100075±30%A41250.220.1AlloyFT-43T-0.8A10.8±0.3100075±30%A43250.220.1BrassFT-43T-2.5A32.5±0.5100150±30%A343250.330.1BrassFT-50T-3.0A13.0±0.530035±30%A50250.420.2BrassFT-51.5T-3.0A13.0±0.330035±30%A51.5250.420.2BrassFT-55T-2.8A12.8±0.330035±30%A55250.420.2Brass