Specification of Quartz Crystal Units
1
NDK Part Number
See table 1
2
NDK Specification Number
STD-CSR-1
3
Type
NX3225SA
4
4.1
Electrical Characteristics
Nominal Frequency (f nom)
See table 1
4.2
Overtone order
Fundamental
4.3
Frequency Tolerance
± 15 x 10 max. ( +25 °C )
4.4
Frequency Versus
± 15 x 10-6 max. ( -10 ~ +75 °C )
4.5
Temperature Characteristics
Equivalent Series Resistance (R r )
The reference temperature shall be +25 °C
See table 1
4.6
Shunt Capacitance (C 0)
NA
4.7
Maximum Drive Level
200 μW max.
5
Measurement Circuit
5.1
Frequency Measurement
-6
5.1.1 Measuring Instrument
5.1.2 Load Capacitance (CL)
-network
8 pF
5.1.3 Level of Drive
10 μW
5.2
Equivalent Resistance Measurement
5.2.1 Measuring Instrument
5.2.2 Load Capacitance (CL)
-network
Series
5.2.3 Level of Drive
10 μW
6
Operable Temperature Range
-10 ~ +75 °C
7
Storage Temperature Range
-40 ~ +85 °C
8
Dimension
Table1
fnom (MHz)
(Unit: mm)
Terminal Land
Connection
12.000
R r (Ω) max.
NDK Part Number
100
NX3225SA-12.000M-STD-CSR-1
13.560
80
NX3225SA-13.560M-STD-CSR-1
14.31818
80
NX3225SA-14.31818M-STD-CSR-1
16.000
80
NX3225SA-16.000M-STD-CSR-1
16.384
80
NX3225SA-16.384M-STD-CSR-1
18.432
80
NX3225SA-18.432M-STD-CSR-1
18.870
80
NX3225SA-18.870M-STD-CSR-1
20.000
50
NX3225SA-20.000M-STD-CSR-1
22.000
50
NX3225SA-22.000M-STD-CSR-1
22.5792
50
NX3225SA-22.5792M-STD-CSR-1
24.000
50
NX3225SA-24.000M-STD-CSR-1
24.576
50
NX3225SA-24.576M-STD-CSR-1
25.000
50
NX3225SA-25.000M-STD-CSR-1
26.000
50
NX3225SA-26.000M-STD-CSR-1
27.000
50
NX3225SA-27.000M-STD-CSR-1
27.120
50
NX3225SA-27.120M-STD-CSR-1
28.63636
50
NX3225SA-28.63636M-STD-CSR-1
30.000
50
NX3225SA-30.000M-STD-CSR-1
32.000
50
NX3225SA-32.000M-STD-CSR-1
36.000
50
NX3225SA-36.000M-STD-CSR-1
40.000
50
NX3225SA-40.000M-STD-CSR-1
44.000
50
NX3225SA-44.000M-STD-CSR-1
48.000
50
NX3225SA-48.000M-STD-CSR-1
54.000
50
NX3225SA-54.000M-STD-CSR-1
Jul.30.2012
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