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HC-49/U-S Series Datasheet

Citizen Finedevice Co Ltd

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Datasheet

AT-CUT CRYSTAL UNIT
(Metal-can Type)
HC-49/U-S
RoHS compliant
FEATURES
● Frequency range : 3.5 ~ 50.0MHz
● External dimensions (mm)
  L : 11.5 x W : 4.66 x H : 3.5
● Applications
  Consumer products
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
Frequency Tolerance
Frequency Tolerance Frequency Tolerance
Frequency Tolerance Δf/f
0
±30ppm at 25˚C
DIMENSION
[mm]
STANDARD SPECIFICATIONS
Model
HC-49/U-S Conditions
Item
Storage Temperature Range
Storage Temperature Range Storage Temperature Range
Storage Temperature Range T
STR
-40℃ ~ +85℃
Motional (series) resistance
Motional (series) resistance Motional (series) resistance
Motional (series) resistance R
1
Refer to the following table at 25˚C
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℃
Operating Temperature Range
Operating Temperature Range Operating Temperature Range
Operating Temperature Range T
OPR
-20℃ ~ +70℃
Level of drive
Level of drive Level of drive
Level of drive D
L
100μW
Insulation Resistance
Insulation Resistance Insulation Resistance
Insulation Resistance I
R
500MΩMin. DC100V±15V
Load capacitance
Load capacitance Load capacitance
Load capacitance C
L
Fundamental:10.0pF ~ ∞
3rd Overtone:5.0pF ~ ∞ Please specify your requirement
Shunt capacitance
Shunt capacitance Shunt capacitance
Shunt capacitance C
0
7.0pF Max.
Aging (first year)
Aging (first year) Aging (first year)
Aging (first year) Δf/f
0
±5ppm Max. 25℃±3℃
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 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 30.0≦f
30.0≦f30.0≦f
30.0≦f
0
00
0
<36.0
<36.0<36.0
<36.0 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 Fundamental
FundamentalFundamental
Fundamental Fundamental
FundamentalFundamental
Fundamental Fundamental
FundamentalFundamental
Fundamental 3rd Overtone
3rd Overtone3rd Overtone
3rd Overtone 3rd Overtone
3rd Overtone3rd Overtone
3rd Overtone
R
RR
R
1
11
1
200ΩMax.
200ΩMax.200ΩMax.
200ΩMax. 150ΩMax.
150ΩMax.150ΩMax.
150ΩMax. 100ΩMax.
100ΩMax.100ΩMax.
100ΩMax. 80ΩMax.
80ΩMax.80ΩMax.
80ΩMax. 5Max.
50ΩMax.50ΩMax.
50ΩMax. 140ΩMax.
140ΩMax.140ΩMax.
140ΩMax. 100ΩMax.
100ΩMax.100ΩMax.
100ΩMax.
http://cfd.citizen.co.jp/english/prod-tech/product/cvo_top.html
Product specifications are subject to change without notice.
PART NUMBERING SYSTEM
Frequency
FrequencyFrequency
Frequency
G
GG
G
Table.1
Month Jan Feb Sep
Part Marking
[standard]
Frequency Tolerance
Frequency ToleranceFrequency Tolerance
Frequency Tolerance
(at 25)
(at 25)(at 25)
(at 25)
B
BB
B
A
AA
A ±30ppm
(STD)
B
BB
B
±30ppm
Range -10℃ ~ +60℃
±50ppm
Range -10℃ ~ +60℃
±50ppm
Range -40℃ ~ +85℃
±100ppm
Range -40℃ ~ +85℃
±50ppm
(STD)
f : The first 4 digits of Frequency
including the decimal point
C : Manufacture's ID Code
y : The last digit of production year
m : Production month (See Table.1)
J
JJ
J 18.0pF
K
KK
K 20.0pF
Bulk
(STD)
A
AA
ARef. Code for
internal use.
B
BB
B
I
II
I
Rev.2
HC-49/U-S 20000000 A B J B - □□
HC-49/U-S 20000000 A B J B - □□ HC-49/U-S 20000000 A B J B - □□
HC-49/U-S 20000000 A B J B - □□
Taping dimension : 2,000pcs/Ammo pack [mm]
Z
Oct Nov Dec
Code 1 2 … 9 X Y
*Please contact us for specifications available.
Load capacitance (CL)
Load capacitance (CL)Load capacitance (CL)
Load capacitance (CL)
T
TT
T Ammo pack
16.0pF
H
HH
H
Package specification
Package specificationPackage specification
Package specification
CITIZEN
CITIZENCITIZEN
CITIZEN
management code
management codemanagement code
management code
Please
specify
the frequency
in
Hz.
Frequency Tolerance over
Frequency Tolerance overFrequency Tolerance over
Frequency Tolerance over
Operating Temp. Range
Operating Temp. RangeOperating Temp. Range
Operating Temp. Range
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http://cfd.citizen.co.jp/english/prod-tech/product/cvo_top.html

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