http://cfm.citizen.co.jp/english/product/pr02.html
17
Frequency Range
Mode
R1
ø3.0±0.2
1.1±0.2
8.8±0.2 10.0±0.5
ø0.32 -0.03
+0.07
CSA-309
■FEATURES
7High performance miniature crystal units with
Citizen's ultra-precise processing technology.
7High-stability assured with tight vacuum sealing.
7Suitable for various applications.
f0
△f/f0
△f/f0
TOPR
TSTR
R1
CL
C0
DL
IR
△f/f0
CSA
-
310 CSA
-
309
3.5MHz〜4.0MHz
4.001MHz〜34.0MHz（Fundamental）
3.5MHz≦f0＜4.0MHz
Fundamental Fundamental Fundamental Fundamental
Fundamental 3rdOvertone
3rdOvertone
4.0MHz≦f0＜6.0MHz 6.0MHz≦f
0
＜10MHz 10MHz≦f0＜27MHz 27MHz≦f0＜36MHz 36MHz≦f0≦70MHz
Needtocontactusfor
theavailablefrequency
27.0MHz〜70.0MHz（3rdOvertone）
50ΩMax. 100ΩMax. 80ΩMax.50ΩMax.100ΩMax.150ΩMax.200ΩMax.
at 25˚C
−10℃〜＋60℃
Seefigure3inP4
at 25˚C
Needtospecifyyourrequirement
DC100V±15V
25℃±3℃
±30ppm
below6.0MHz：±50ppm
above6.0MHz：±30ppm
−20℃〜＋70℃
−40℃〜＋85℃
Refertothefollowingtable
16.0pF,18.0pF
5.0pFMax.
100μW
500MΩMin.
±5ppmMax.
Life-size
CSA
-
310 .CSA
-
309
ø3.0±0.2
1.1±0.2
10.3±0.2 10.0±0.5
ø0.32 -0.03
+0.07
CSA-310
AT-CUT CRYSTAL UNITS (Cylinder Type)
■DIMENSION [mm] ■SOLDER PAD LAYOUT [mm]
■MOTIONAL (SERIES) RESISTANCE (R1)
■STANDARD SPECIFICATIONS
Nominal Frequency
Frequency Tolerance
Frequency Tolerance
over Operating
Temperature Range
Operating Temperature Range
Storage Temperature Range
Motional (series) resistance
Load capacitance
Shunt capacitance
Level of drive
Insulation Resistance
Aging (first year)
Item Model Conditions