晶振 2.5*2.0*0.5 SMD Ctraylstal 16MHz to 54MHz

FEATURE
● Rugged AT-cut crystal construction.
● Miniature 2.5×2.0mm ceramic package.
● Designed for automatic mounting and reflow soldering. ● Embossed taping specification.
● Pb-free and RoHS/Green compliant.
APPLICATIONS
● Ideally suited designed for Bluetooth wireless communication sets, HDD,DSN, PDA, GPS,Digital Tuner,Wireless LAN and mobile phone.
●Electrical Specifications 电气参数
型号 Holder Type  2.0x2.5mm Ceramic Surface Mount
频率范围 Frequency Range  16MHz to 54MHz
调整频差Frequency Tolerance(△F)(at25°C) ±10ppm to ±30ppm
温度频差 Frequency Drift  ±10ppm to ±30ppm※(See Notes)
工作温度范围 Operating Temperature Range  -20°C - +70°C / -40°C - +85°C
储存温度范围 Storage Temperature Range  -40°C - +85°C /-55°C - +125°C
老化 Aging(25°C)  ±3ppm/ year Maximum
静电容 Shunt Capacitance(C0)  3pF maximum
激励功率 Drive Level  10μW (100μW max.)
绝缘阻抗 Insulaton Resistance(Rs)  500 Megaohms Minimum at D.C100V
负载电容 Load Capacitance(CL)  Suggested by customer
※Notes:±10，±20，±30ppm (-20°C to +70°C)
                    ±20，±30，±50ppm (-40°C to +85°C) or depends on customer
●Equivalent Series Resistance and Mode of Operation等效阻抗和振荡模式
Frequency Range 频率范围                                        ESR(Ω)等效阻抗                                     Mode  振荡模式
16.000MHz≤ f <20.000MHz                                          100Ωmax                                             Fundamental
20.000MHz≤ f <30.000MHz                                           80Ωmax                                             Fundamental
30.000MHz≤ f <40.000MHz                                           60Ωmax                                             Fundamental
40.000MHz≤ f <54.000MHz                                           40Ωmax                                             Fundamental
       贴片型谐振器(SMD)是石英晶体元器件封装中的一种,通常也被称为贴片无源晶振,它是利用石英晶体的压电效应和特殊的切割方式制成的一种谐振(频率控制)元件,主要是用来稳定频率和选择频率,广泛应用于网络通信、物联网、仪器仪表及日常消费电子设备周边。