晶诺威科技产21.250MHz M49SMD规格参数如下:
- Nominal Frequency 标称频率:21.250MHz
- Surface mount type crystal units 表面贴装晶体谐振器(无源晶振)
- External dimensions 外部尺寸: 7.6×4.1×2.0mm
晶振21.250MHz M49SMD电气参数详情如下
- Item/Type(类别):M49SMD/MINI 49SMD/小49SMD/迷你49SMD
- Vibration Mode(振荡模式):(AT-CUT)基频
- Load Capacitance(负载电容):18pF、20pF或定制
- Frequency Tolerance (调整频差) :±10ppm、± 20ppm或定制 (Measure at 25℃±3℃)
- Frequency Stability(温度频差):±20ppm、±30ppm或定制
- Operating Temperature Range(工作温度范围): -20~+70℃、40~+85℃
- Storage Temperature(储存温度):-40~+85℃
- Shunt Capacitance(静电容):5pF max.
- Level Of Drive(激励功率):10μW
- Equivalent Series Resistance(ESR) (等效电阻):40Ω max.
- Frequency Aging (老化率):±3ppm/year max. (1st year at 25℃)
MARKING AND PADS 尺寸及焊盘说明
注:关于21.250MHz其它封装类型:
表贴式无源晶振:SMD3225、SMD2520、SMD2016等
直插式无源晶振:49S、49U、UM-1、UM-5等
表贴式有源晶振:OSC3225、OSC2520、OSC2016等
直插式有源晶振:PXO-8、PXO-14
直插式温补晶振(高精度系列) :TCXO-DIP8、TCXO-DIP14