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20
3.5MHz≦f
0
＜4.0MHz 4.0MHz≦f
0
＜6.0MHz 6.0MHz≦f
0
＜10MHz 10MHz≦f
0
＜14MHz 14MHz≦f
0
＜30MHz 30MHz≦f
0
＜36MHz 36MHz≦f
0
≦50MHz
Fundamental
200ΩMax.
Fundamental
150ΩMax.
Fundamental
100ΩMax.
Fundamental
80ΩMax.
Fundamental
50ΩMax.
3rdOvertone
140ΩMax.
3rdOvertone
100ΩMax.
HCM49
■DIMENSION [mm]
1000pcs/reel
■SOLDER PAD LAYOUT [mm]
f0
△f/f0
△f/f0
TOPR
TSTR
R1
CL
C0
DL
IR
△f/f0
HCM49
3.5MHz〜30.0MHz（Fundamental） Needtocontactusfor
theavailablefrequency
30.0MHz〜50.0MHz（3rdOvertone）
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
−40℃〜＋85℃
−55℃〜＋125℃
Refertothefollowingtable
16.0pF,18.0pF
7.0pFMax.
100μWMax.
500MΩMin.
±5ppmMax.
3.81 Max.
4.3 Max.
3.6 Max.
（0.64）
＋0.1
−0.2
0.8
＋0.15
−0.05
10.5 Max. 12.4±0.4
（4.32）
4.83 Max.
11.4±0.2
3.0 5.55.5
1.5
Life-size
■FEATURES
7Surface mount type of metal-can HC-49/U-S.
High performance with the resistance weld sealing.
7Automatic mounting and reflowable Type.
7Suitable for various applications such as
communication devices, AV devices, automotive
devices and measuring instruments.
AT-CUT CRYSTAL UNIT (SMD • Metal-can Type)
■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
Frequency Range
Mode
R1
RoHS Compliant Optional
■MOTIONAL (SERIES) RESISTANCE (R1)
Internalconnection
(Standard)
•
•
•
(CS325H)
•
•
•
±30ppm
±50ppm
±100ppm
±20ppm
±10ppm
±15ppm
±25ppm
±5ppm
•Consult Citizen
A
B
C
D
E
F
G
H
Frequency Tolerance [at 25C]
A
B
C
D
E
F
G
H
I
J
±30ppm
±50ppm
±100ppm
±20ppm
±10ppm
±30ppm
±50ppm
±100ppm
±20ppm
±10ppm
±150ppm
±200ppm
±60ppm
±80ppm
±30ppm
±40ppm
±50ppm
±60ppm
±70ppm
±80ppm
K
L
M
N
O
P
Q
R
S
T
(-40 to +85ºC)
(-40 to +85ºC)
(-40 to +85ºC)
(-40 to +85ºC)
(-20 to +70ºC)
(-20 to +70ºC)
(-20 to +70ºC)
(-20 to +70ºC)
(-20 to +70ºC)
(-20 to +70ºC)
(-10 to +60ºC)
(-10 to +60ºC)
(-10 to +60ºC)
(-10 to +60ºC)
(-10 to +60ºC)
(-40 to +85ºC)
(-40 to +85ºC)
(-40 to +85ºC)
(-40 to +85ºC)
(-40 to +85ºC)
•
(Standard)
•
•
(CS325H)
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
Frequency Stability [over Listed Temp.]
...others to be assigned
14.0pF
17.0pF
8.0pF
T
U
V
22.0pF
25.0pF
30.0pF
32.0pF
33.0pF
10.0pF
50.0pF
11.0pF
L
M
N
O
P
Q
R
S
Series
12.0pF
12.5pF
13.0pF
15.0pF
16.0pF
18.0pF (Std)
20.0pF
A
E
F
G
H
I
J
K
Load Capacitance
-UT
RoHS Compliant
Tape & Reel
-UB
RoHS Compliant
Bulk
Packaging methodFrequency
Numerical Value,
maximum characters as
follows:
XX.XXXXXX
followed by “M” for MHz
For example:
CSA310
CSA309
CMR309T
CMR310T
HC49US
HCM49
CM309S
CS20
CS10
CS325
CS325H
Product Family
CM309S 25.000M
A
B
J
-UT
Example Part Number:
MHz CRYSTAL Part Numbering System