■ PART NUMBERING SYSTEM
CFS-206 / CFS-145 32768 D Z F B - □□□
Frequency Tolerance
（at 25℃)
CITIZEN
management code
Frequency Tolerance over
Operating Temp. Range
Frequency
Package specification
Only Bulk
B
Please specify
the frequency
in Hz.
D
±20ppm (STD)
±10ppm
Z
Standard Spec.
Ref. Code for
internal use.
E
Load capacitance (CL)
H
±5ppm
B
F
V
Y
6.0pF
12.5pF (STD)
8.0pF
7.0pF
*Please contact us for specifications available.
■ Part Marking [standard]
CFS-206
CFS-145
22ym
#####
22 : Manufacture's ID Code
No marking
y : The last digit of production year
m : Production month (See Table.1)
# : Production Lot No.
Table.1
Month
Code
Jan Feb
…
…
Sep Oct Nov Dec
1
2
9
X
Y
Z
■ Handling Notes
Mounting
Bending Lead
Soldering the body of cylinder type crystal unit must
be strictly avoided as it may cause significant
deterioration in characteristics of the product.
Hold the body of crystal unit by hand, and the part to be
bent with tweezers leaving more than 1.5mm of lead from
the body case. (3.0mm is recommended)
Rubber adhesive is recommended for mounting.
Bend the lead 90°holding with the tweezers. Pulling the
lead strongly may crack the hermetic seal glass at the root
of the lead and may cause the airtightness and the
characteristics to deteriorate.
Product specifications are subject to change without notice.
Rev.2
http://cfd.citizen.co.jp/english/prod-tech/product/cvo_top.html
CITIZEN [ CITIZEN ELECTRONICS CO., LTD. ]
