AT-CUT CRYSTAL UNIT
RoHS compliant
(Metal-can Type)
HC-49/U-S
■
FEATURES
● Frequency range : 3.5 ½ 50.0MH½
● External dimensions (mm)
L : 11.5 x W : 4.66 x H : 3.5
● Applications
Consumer products
■
DIMENSION
[mm]
■
STANDARD SPECIFICATIONS
Item
Model
HC-49/U-S
3.5MHz ½ 30.0MHz (Fundamental)
30.0MHz ½ 50.0MHz (3rd Overtone)
±30ppm
below 6.0MHz:±50ppm
above 6.0MHz:±30ppm
-20℃ ½ +70℃
-40℃ ½ +85℃
Refer to the following table
Fundamental:10.0pF ½ ∞
3rd Overtone:5.0pF ½ ∞
7.0pF Max.
100μW
500MΩMin.
±5ppm Max.
Conditions
Please contact us for
frequencies available
at 25˚C
-10℃½+60℃
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)
f
0
Δf/f
0
Δf/f
0
T
OPR
T
STR
R
1
C
L
C
0
D
L
I
R
Δf/f
0
at 25˚C
Please specify your requirement
DC100V±15V
25℃±3℃
■
MOTIONAL (SERIES) RESISTANCE (R
1
)
Freq. Range
(MHz)
Mode
R
1
3.5≦f
0
＜4.0
Fundamental
200ΩMax.
4.0≦f
0
＜6.0
Fundamental
150ΩMax.
6.0≦f
0
＜10.0
Fundamental
100ΩMax.
10.0≦f
0
＜14.0
Fundamental
80ΩMax.
14.0≦f
0
＜30.0
Fundamental
50ΩMax.
30.0≦f
0
＜36.0
3rd Overtone
140ΩMax.
36.0≦f
0
≦50.0
3rd Overtone
100ΩMax.
http://cfd.citizen.co.jp/english/prod-tech/product/cvo_top.html
■
PART NUMBERING SYSTEM
HC-49/U-S
Frequency Tolerance
（at 25℃)
20000000
A B J B - □□□
CITIZEN
management code
Frequency
Frequency Tolerance over
Operating Temp. Range
Load capacitance (CL)
Please specify
the frequency
in Hz.
A
B
±30ppm
±50ppm
(STD)
±30ppm
A
Range -10℃ ½ +60℃
(STD)
±50ppm
B
Range -10℃ ½ +60℃
I
J
K
16.0pF
18.0pF
20.0pF
Ref. Code for
internal use.
±50ppm
G
Range -40℃ ½ +85℃
Package specification
±100ppm
H
Range -40℃ ½ +85℃
B
T
Bulk
(STD)
Ammo pack
*Please contact us for specifications available.
■
Part Marking
[standard]
ffffCym
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)
Table.1
Month
Code
Jan Feb
1
2
…
…
Sep Oct Nov Dec
9
X
Y
Z
■
Taping dimension : 2,000pcs/Ammo pack [mm]
Product specifications are subject to change without notice.
Rev.2
http://cfd.citizen.co.jp/english/prod-tech/product/cvo_top.html
Mouser Electronics
Authorized Distributor
Click to View Pricing, Inventory, Delivery & Lifecycle Information:
Citizen
:
HC49US-40.000MABJ-UB HC49US-16.384MABJ-UB HC49US-13.500MABJ-UB HC49US-9.8304MABJ-UB
HC49US-32.768MABJ-UB HC49US-16.9344MABJ-UB HC49US-10.000MABJ-UB HC49US-20.000MABJ-UB
HC49US-16.000MABJ-UB HC49US-24.000MABJ-UB HC49US-11.0592MABJ-UB HC49US-29.4912MABJ-UB
HC49US-9.216MABJ-UB HC49US-15.000MABJ-UB HC49US-12.000MABJ-UB HC49US-19.6608MABJ-UB HC49US-
4.9152MABJ-UB HC49US-11.2896MABJ-UB HC49US-6.000MABJ-UB HC49US-12.288MABJ-UB HC49US-
17.734475MABJ-UB HC49US-6.176MABJ-UB HC49US-4.000MABJ-UB HC49US-28.224MABJ-UB HC49US-
8.192MABJ-UB HC49US-4.194304MABJ-UB HC49US-50.000MABJ-UB HC49US-48.000MABJ-UB HC49US-
27.000MABJ-UB HC49US-18.000MABJ-UB HC49US-15.360MABJ-UB HC49US-5.000MABJ-UB HC49US-
32.000MABJ-UB HC49US-33.8688MABJ-UB HC49US-49.152MABJ-UB HC49US-4.096MABJ-UB HC49US-
18.432MABJ-UB HC49US-8.000MABJ-UB HC49US-3.579545MABJ-UB HC49US-24.576MABJ-UB HC49US-
14.7456MBJ-UB HC49US-14.31818MABJ-UB HC49US-21.47727MABJ-UB HC49US-6.144MABJ-UB HC49US-
25.000MABJ-UB HC49US-10.240MABJ-UB HC49US-7.680MABJ-UB HC49US-7.3728MABJ-UB HC49US-
22.1184MABJ-UB HC49US-6.144MBBP-UB HC49US-10.000MABKUB HC49US-24.000MABKUB HC49US-
24.576MABJUB HC49US-4.000MBBIUB HC49US-6.000MABO-UB HC49US-3.6864MABJ-UB HC49US-13.560MBBI-
UT HC49US-13.560MBBIUB HC49US-4.000MBBJ-UB HC-49/U-S16000000ABJB HC-49/U-S20000000ABJB HC-
49/U-S25000000ABJB HC-49/U-S8000000ABJB HC-49/U-S13560000BBIB HC-49/U-S13560000BBIT HC-49/U-
S14318180ABJB HC-49/U-S14745600ABJB HC-49/U-S15000000ABJB HC-49/U-S98304000ABJB HC-49/U-
S33868800ABJB HC-49/U-S7372800ABJB HC-49/U-S7680000ABJB HC-49/U-S8192000ABJB HC-49/U-
S12288000ABJB HC-49/U-S13500000ABJB HC-49/U-S9216000ABJB HC-49/U-S5000000ABJB HC-49/U-
S6000000ABJB HC-49/U-S6000000ABOB HC-49/U-S6144000ABJB HC-49/U-S6144000BBPB HC-49/U-
S6176000ABJB HC-49/U-S4096000ABJB HC-49/U-S4194304ABJB HC-49/U-S48000000ABJB HC-49/U-
S49152000ABJB HC-49/U-S4915200ABJB HC-49/U-S50000000ABJB HC-49/U-S3579545ABJB HC-49/U-
S3686400ABJB HC-49/U-S40000000ABJB HC-49/U-S4000000ABJB HC-49/U-S4000000BBIB HC-49/U-
S4000000BBJB HC-49/U-S10240000ABJB HC-49/U-S11059200ABJB HC-49/U-S11289600ABJB HC-49/U-
S12000000ABJB HCM4910240000ABJT HCM4911059200ABJT
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