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Ultrasonic Transducers
2009-8-30 21:55:06
换能器系列产品/超音波加湿器/雾化器用晶片
产品特性
规 格 外形尺寸
D×T(mm)
共振频率
Fr(KHz)
静电容
Co(pF)
出雾量※
(ml/h,平均值±20%)
共振阻抗
Ro(Ω)
正常使用寿命※
(小时,平均值)
NH-D2517H Φ25×1.25 1700±50KHz 1700±20% 450 ≤2.5 ≥10000
NH-D2520H Φ25×1.05 2000±100KHz 1850±20% 600 ≤2.5 ≥10000
NH-D2017N
NH-D2017H
Φ20×1.25 1700±50KHz 1700±20% 350 ≤2.5 ≥10000
NH-D2020N Φ20×1.05 2000±100KHz 1750±20% 450 ≤2.5 ≥10000
NH-D1617N Φ16×1.25 1700±50KHz 1100±20% 200 ≤2.5 ≥10000
NH-D1620N Φ16×1.05 2000±100KHz 1300±20% 250 ≤2.5 ≥10000
NH-D1624N Φ16×0.85 2400±100KHz 1450±20% 250 ≤2.5 ≥10000
※用于无锡南方电子有限公司的加湿装置
超音波加湿器雾化片套件规格
规 格 说 明 备 注
NH-D2516HM,
D2517HM,
D2016HM,
D2017HM
套密封圈+焊线(标准线长100mm,可定制)  
NH-D2016HT,
D2017HT
套密封圈+焊线+金属压盖  
NH-D2016NS,
D2017NS
套密封圈+塑料坐盖  
NH-S1820H 长方形银电极振动片(规格可定制) 用于微型加湿器/超音波牙刷等
NH-D2517H测试范例:
Fr,Ro and Kt:thickness mode,Use Impedance Analyzer(as HP-E5100A/B) or Following Test Circuit.
①:Resonant Frequency (Fr):Fr=1.65-1.75MHz
②:Resonant Resistance (Ro):Ro=2.5Ωmax
③:Elector-mechanical Coupling Coefficient (Kt):Kt=45% min.
④:Capacitance (Cp):LCR meter at 1KHz,1Vrms.
 
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