SMD2520
贴片晶体谐振器
特点
电气参数(Electrical Specifications)
型号 | Holder Type | 2.5x2.0mm Ceramic Surface Mount |
频率范围 | Frequency Range | 16MHz to 54MHz |
调整频差 | Frequency Tolerance（△F）（at25℃） | ±10ppm to ±30ppm |
温度频差 | Frequency Drift | ±10ppm to ±30ppm※(See Notes) |
工作温度范围 | Operating Temperature Range | -20℃ - +70℃ / -40℃ - +85℃ |
储存温度范围 | Storage Temperature Range | -40℃ - +85℃ /-55℃ - +125℃ |
老化 | Aging（25℃） | ±3ppm/ year max. |
静电容 | Shunt Capacitance（C0） | 3pF max. |
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:
1）±10，±20，±30ppm (-20℃ to +70℃)；
2）±20，±30，±50ppm (-40℃ to +85℃) or depends on customer
等效阻抗和振荡模式(Equivalent Series Resistance and Mode of Operation)
Frequency Range 频率范围 | ESR（Ω）等效阻抗 | Mode 振荡模式 |
16MHz≤ f ＜20MHz | 100Ωmax | Fundamental |
20MHz≤ f ＜30MHz | 80Ωmax | Fundamental |
30MHz≤ f ＜40MHz | 60Ωmax | Fundamental |
40MHz≤ f ＜54MHz | 40Ωmax | Fundamental |
外型尺寸(Mechanical Dimensions)
Note:
#2，#4 is connected with a cover (please connect with GND or floating)
#2，#4 PIN，接地或者悬空
回流焊条件（Reflow Condition）
