Shunt capacitance
Shunt capacitance Shunt capacitance
Shunt capacitance
30.0≦f
30.0≦f30.0≦f
30.0≦f
0
00
0
＜36.0
＜36.0＜36.0
＜36.0
R
RR
R
1
11
1
200ΩMax.
200ΩMax.200ΩMax.
200ΩMax. 150ΩMax.
150ΩMax.150ΩMax.
150ΩMax. 100ΩMax.
100ΩMax.100ΩMax.
100ΩMax. 80ΩMax.
80ΩMax.80ΩMax.
80ΩMax. 140ΩMax.
140ΩMax.140ΩMax.
140ΩMax.
Motional (series) resistance
Motional (series) resistance Motional (series) resistance
Motional (series) resistance
Storage Temperature Range
Storage Temperature Range Storage Temperature Range
Storage Temperature Range T
STR
100μW
Load capacitance
Load capacitance Load capacitance
Load capacitance
25℃±3℃ Aging (first year)
Aging (first year) Aging (first year)
Aging (first year) Δf/f
0
7.0pF Max.
Insulation Resistance
Insulation Resistance Insulation Resistance
Insulation Resistance
±5ppm Max.
C
0
D
L
Level of drive
Level of drive Level of drive
Level of drive
I
R
Frequency Tolerance over
Frequency Tolerance over Frequency Tolerance over
Frequency Tolerance over
Operating Temperature Range
Operating Temperature Range Operating Temperature Range
Operating Temperature Range Δf/f
0
below 6.0MHz:±50ppm
above 6.0MHz:±30ppm -10℃～+60℃
Fundamental
FundamentalFundamental
Fundamental Fundamental
FundamentalFundamental
Fundamental Fundamental
FundamentalFundamental
Fundamental 3rd Overtone
3rd Overtone3rd Overtone
3rd Overtone 3rd Overtone
3rd Overtone3rd Overtone
3rd Overtone
10.0≦f
10.0≦f10.0≦f
10.0≦f
0
00
0
＜14.0
＜14.0＜14.0
＜14.0 14.0≦f
14.0≦f14.0≦f
14.0≦f
0
00
0
＜30.0
＜30.0＜30.0
＜30.0
-55℃ ～ +125℃
at 25˚C
500MΩMin. DC100V±15V
R
1
Refer to the following table
Operating Temperature Range
Operating Temperature Range Operating Temperature Range
Operating Temperature Range T
OPR
-40℃ ～ +85℃
C
L
Fundamental:10.0pF ～ ∞
3rd Overtone:5.0pF ～ ∞ Please specify your requirement
AT-CUT CRYSTAL UNIT
(SMD ・ Metal-can Type)
RoHS compliant 1,000pcs/reel
■ FEATURES
● Frequency range : 3.5 ～ 50.0MHｚ
● External dimensions (mm)
L : 11.4 x W : 4.7 x H : 4.3
● Applications
Consumer products
Frequency Tolerance
Frequency Tolerance Frequency Tolerance
Frequency Tolerance Δf/f
0
■ DIMENSION
[mm]
■ SOLDER PAD LAYOUT
[mm]
■ STANDARD SPECIFICATIONS
Model
HCM49 Conditions
Item
HCM49
±30ppm at 25˚C
Nominal Frequency
Nominal Frequency Nominal Frequency
Nominal Frequency f
0
3.5MHz ～ 30.0MHz (Fundamental)
30.0MHz ～ 50.0MHz (3rd Overtone)
Please contact us for
frequencies available
100ΩMax.
100ΩMax.100ΩMax.
100ΩMax.
■ MOTIONAL (SERIES) RESISTANCE (R
1
)
Freq. Range
Freq. RangeFreq. Range
Freq. Range
(MHz)
(MHz) (MHz)
(MHz)
3.5≦f
3.5≦f3.5≦f
3.5≦f
0
00
0
＜4.0
＜4.0＜4.0
＜4.0 4.0≦f
4.0≦f4.0≦f
4.0≦f
0
00
0
＜6.0
＜6.0＜6.0
＜6.0 6.0≦f
6.0≦f6.0≦f
6.0≦f
0
00
0
＜10.0
＜10.0＜10.0
＜10.0 36.0≦f
36.0≦f36.0≦f
36.0≦f
0
00
0
≦50.0
≦50.0≦50.0
≦50.0
Mode
ModeMode
Mode Fundamental
FundamentalFundamental
Fundamental Fundamental
FundamentalFundamental
Fundamental
50ΩMax.
50ΩMax.50ΩMax.
50ΩMax.
http://cfd.citizen.co.jp/english/prod-tech/product/cvo_top.html
Product specifications are subject to change without notice.
5°
g h j k l m (φ)
■ Packing
6.5 5° 25.5 330
Conforming to JIS C 0806 TB1208NEIAJ and RC-1009B TE1208N Conforming to JIS C 0806 R12R and EIAJ RC-1009B R15
80
±30ppm
Range -10℃ ～ +60℃
Q'ty/reel
1,000 24.0 11.5 12.0 2.0 14.1 0.4 4.2
■
PART NUMBERING SYSTEM
±50ppm
Range -10℃ ～ +60℃
n (φ)
G
GG
G
H
HH
H
Please
specify
the frequency
in
Hz.
Frequency Tolerance
Frequency ToleranceFrequency Tolerance
Frequency Tolerance
（at 25℃)
（at 25℃)（at 25℃)
（at 25℃)
…
*Please contact us for specifications available.
16.0pF
J
JJ
J 18.0pF
T
TT
T
Rev.2
HCM49 20000000 A B J T - □□□
HCM49 20000000 A B J T - □□□ HCM49 20000000 A B J T - □□□
HCM49 20000000 A B J T - □□□
Dec
9 X Y
m : Production month (See Table.1)
Table.1
Month Jan Feb … Sep Oct Nov
Z
■ Reflow profile■ Part Marking
[standard]
a b c d (φ) e f
f : The first 4 digits of Frequency
including the decimal point
C : Manufacture's ID Code
y : The last digit of production year
Code 1 2
CITIZEN
CITIZENCITIZEN
CITIZEN
management code
management codemanagement code
management code
Package specification
Package specificationPackage specification
Package specification
Only
Tape
&
Reel
Ref. Code for
internal use.
Load capacitance (CL)
Load capacitance (CL)Load capacitance (CL)
Load capacitance (CL)
I
II
I
±50ppm
Range -40℃ ～ +85℃
±100ppm
Range -40℃ ～ +85℃
K
KK
K 20.0pF
A
AA
A
B
BB
B
Frequency
FrequencyFrequency
Frequency
A
AA
A ±30ppm
(STD)
B
BB
B ±50ppm
(STD)
Frequency Tolerance over
Frequency Tolerance overFrequency Tolerance over
Frequency Tolerance over
Operating Temp. Range
Operating Temp. RangeOperating Temp. Range
Operating Temp. Range
ffffCym
ffffCymffffCym
ffffCym
http://cfd.citizen.co.jp/english/prod-tech/product/cvo_top.html
