JIANGSU HD-CRYSTAL TECHNOLOGY CO., LTD
SMD3068
Crystal Resonator
7Z032768NW2
Scope:
1.
1.1 This specification applies to the RoHS
compliance quartz crystal unit with a frequency of 32.768KHz which will be used
in crystal oscillator applications.
2.
Construction:
2.1 Type of Quartz Resonator: SMD3068
3.
Electrical Characteristics
3.1 Mode of Vibration：
NT
3.2 Nominal frequency(F):
32.768KHz
3.3 Load Capacitance(CL):
12.5PF
3.4 Frequency Tolerance at 25℃
±20ppm
3.5 Frequency Temperature Stability:
-0.034±0.006 * 10-6/℃2 Max
3.6 Series Resistance(Rr):
65 KΩ Max
3.7 Quality Factor(Q):
60K TYP
3.8 Turnover Temperature(To):
25 ℃± 5℃
3.9 Operation Temperature:
- 20℃~ + 70℃
3.10 Preservation Temperature:
- 55℃~ +125℃
3.11 Shunt Capacitance(C0 )：
1.0pF Max
3.12 Motional Capacitance(C1):
3.0fF Max
3.13 Insulation Resistance:
500MΩ at DC 100V±10V
3.14 Drive Level:
0.5 μ W Max
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Reliability Specification
Item
Condition
Free drop from 75cm height on a hard wooden
1.
Drop characteristics
board for 3 times. (Board is thickness more than
30 mm.)
2
Mechanical shock
Device are shocked to half sine wave (1000g)
three mutually perpendicular axes each 3 times
Shake frequency 10~55Hz, cyc1~2 minutes,
3.
Shake characteristics
swing 1.5mm, direction x/y/z, all 30 minutes, test
after 1 hours.
Humidity
4.
5.
6.
characteristics
Low temperature
characteristics
High temperature
characteristics
7.
Temperature cycling
8.
Refluence
examination
+85±2℃ & 90%~95% R.H. 1000 hours
Standard
Frequency change:≤±10ppm
Rr as specification
Frequency change:≤±10ppm
Rr as specification
Frequency change:≤±10ppm
Rr as specification
Frequency change:≤±10ppm
Rr as specification
-40±2℃, 1000 hours, put in room temperature,
Frequency change:≤±10ppm
test after 1 hours.
Rr as specification
+125 ±2℃, 1000 hours, put in room temperature, Frequency change:≤±10ppm
test after 1 hours.
Rr as specification
-55±2℃/30±3min~+125±2℃/30±3min,
Frequency change:≤±10ppm
100 cycles
Rr as specification
Frequency change:≤±10ppm
Rr as specification
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Packing Specification
Qty:3000Pcs
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