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1-1. Package T*e(封裝型式):Ceramic SMD 7050 6035 5032 4025 3225
1-2. Cut Mode(切型):AT Cut.
1-4. Outline & Dimension(外形和尺寸):Refer to the attached drawing
2. Electrical Parameters (电气参数) :
2-1. Nominal Frequency(标称频率) F:__27.000___MHz.
2-2. Load Capacitance(负载电容) CL:___20 _____ pF.
2-3. Tolerance of Center Frequency(调整频差) :+/- __30____ ppm @
2-4. Center Frequency Drift(温度频差) :+/- __30____ ppm in 2-5.
2-5. Working Temperature Range(工作温度) : __10__℃ to + __60__℃.
2-6. Storage Temperature(储存温度) :
2-7. Aging(老化率) :+/- 5ppm / Year.
2-8. Measurement(测量法):Measured in S&A250B or KH1120 Network Analyzer.
2-9. Drive Level(激励功率) DL:10μW T*ical.
2-10. Effective Resistance(等效电阻) Rr:___60____Ohm Max.
2-11. Shunt Capacitance(静电容) Co:7.0 pF Max.
2-12. Insulation Resistance(*缘电阻) :More than 500 Meg Ohms @ DC 100v.
3. Mechanical Parameters (机械特性) :
3-1. Shock Test(冲击试验):Dropping from
Variation:Frequency less than +/- 5ppm.
Resistance less than +/- 15%.
3-2. Leakage Test(气密试验):
Gross leak(粗漏):No gas bubble after specimen put into FC 40 at
Fine leak(氦漏):P* helium leak test at 5*10E-8 Torr . l / sec.
4. Marking(印字):Laser Marking