HC-49/U-S14700000BBKB [CITIZEN]
CRYSTAL 14.700MHZ 20PF T/H;型号: | HC-49/U-S14700000BBKB |
厂家: | CITIZEN ELECTRONICS CO., LTD. |
描述: | CRYSTAL 14.700MHZ 20PF T/H |
文件: | 总2页 (文件大小:134K) |
中文: | 中文翻译 | 下载: | 下载PDF数据表文档文件 |
AT-CUT CRYSTAL UNIT (Metal-can Type)
RoHS compliant
HC-49/U-S
■ FEATURES
● Frequency range : 3.5 ~ 50.0MHz
● External dimensions (mm)
ꢀ L : 11.5 x W : 4.66 x H : 3.5
● Applications
ꢀꢀConsumer products
■ DIMENSION [mm]
■ STANDARD SPECIFICATIONS
Model
HC-49/U-S
3.5MHz ~ 30.0MHz (Fundamental)
30.0MHz ~ 50.0MHz (3rd Overtone)
Conditions
Please contact us for
frequencies available
Item
Nominal Frequency
f0
Frequency Tolerance
Δf/f
Δf/f
0
0
±30ppm
at 25˚C
Frequency Tolerance over
Operating Temperature Range
below 6.0MHz:±50ppm
above 6.0MHz:±30ppm
-10℃~+60℃
Operating Temperature Range
Storage Temperature Range
Motional (series) resistance
T
OPR
STR
-20℃ ~ +70℃
-40℃ ~ +85℃
T
R
1
L
Refer to the following table
at 25˚C
Fundamental:10.0pF ~ ∞
3rd Overtone:5.0pF ~ ∞
Load capacitance
C
Please specify your requirement
Shunt capacitance
Level of drive
C
0
7.0pF Max.
100μW
D
L
Insulation Resistance
Aging (first year)
I
R
500MΩMin.
±5ppm Max.
DC100V±15V
25℃±3℃
Δf/f
0
■ MOTIONAL (SERIES) RESISTANCE (R )
1
Freq. Range (MHz)
Mode
3.5≦f
0
<4.0
4.0≦f
0
<6.0
6.0≦f0<10.0 10.0≦f0<14.0 14.0≦f0<30.0 30.0≦f0<36.0 36.0≦f0≦50.0
Fundamental
200ΩMax.
Fundamental
150ΩMax.
Fundamental
100ΩMax.
Fundamental
80ΩMax.
Fundamental
50ΩMax.
3rd Overtone
140ΩMax.
3rd Overtone
100ΩMax.
R
1
http://cfd.citizen.co.jp/english/prod-tech/product/cvo_top.html
■ PART NUMBERING SYSTEM
HC-49/U-S
20000000
A B J B - □□□
Frequency Tolerance
(at 25℃)
Frequency Tolerance over
Operating Temp. Range
CITIZEN
management code
Frequency
Load capacitance (CL)
I
16.0pF
18.0pF
20.0pF
±30ppm
Range -10℃ ~ +60℃
Please specify
the frequency
in Hz.
A
B
±30ppm (STD)
±50ppm (STD)
Ref. Code for
internal use.
A
J
K
±50ppm
Range -10℃ ~ +60℃
±50ppm
B
G
H
Range -40℃ ~ +85℃
Package specification
±100ppm
Range -40℃ ~ +85℃
B
Bulk (STD)
T
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
…
…
Sep Oct Nov Dec
1
2
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
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