MHz Range Crystal unit
FA-238
FA-238 18.432000 MHz 18.0 +50.0-50.0
Product name
Product Number / Ordering code
Q22FA23800128xx
Please refer to the 5.Packing information about xx (last 2 digits)
Pb free / Complies with EU RoHS directive
Reference weight Typ. 16 mg
1.Absolute maximum ratings
Parameter
Storage temperature
Operating temperature
Symbol
T_stg
T_use
Min.
-40
-40
Typ.
-
-
Max.
+125
+105
Unit
ºC
ºC
Conditions / Remarks
Storage as single product
2.Specifications(characteristics)
Parameter
Symbol
Nominal frequency
Frequency tolerance
Frequency Stability over
temperature
Operating temperature
Level of drive
Load capacitance
Motional resistance (ESR)
Motional capacitance
Motional inductance
Shunt capacitance
Frequency aging
f_nom
f_tol
f_tem
T_use
DL
CL
R1
C1
L1
C0
f_age
Min.
－
-50
-30
-20
10
－
-
-
-
-
-5
Typ.
18.432000
Max.
－
+50
+30
+70
200
－
80
-
-
-
+5
Unit
MHz
x 10-
6
x 10
-6
ºC
µW
pF
Ω
fF
mH
pF
Conditions / Remarks
Fundamental
@+25ºC
-20ºC to +70ºC
-
-
-
100
18
-
2.19
34.11
1.01
－
x10
-6
/yea @+25ºC, First year
3.External dimensions
(Unit: mm)
4.Footprint(Recommended)
(Unit: mm)
#4
#3
2000M
E66RA
#1
2.5±0.1
2.2
3.2±0.1
#2
0.7 Max.
Internal connection
(TOP VIEW)
#4
#3
#1
#2
1.6
1.2
1.2
#1
#2
0.7
1.4
#4
#2 and #4
are connected to the cover.
(Please connect to ground)
0.9
#3
5.Packing information
[ 1 ]Product number last 2 digits code (xx) description
Q22FA23800128xx
The recommended code is "17"
0.8
Code
01
11
12
13
Condition
Any Q'ty vinyl bag(Tape cut)
Any Q'ty / Reel
250pcs / Reel
500pcs / Reel
Code
14
15
00
17
Condition
1000pcs / Reel
2000pcs / Reel
3000pcs / Reel
4000pcs / Reel
1 Page
6.Reflow profile
Reflow condition
Pre Heating Temperature
Tp1 ~ Tp2 = + 170
°C
Heating Temperature
TMlt = + 220
°C
Peek Temperature
TMax. = + 260
°C
Point of measuring
In case of Solderability
Terminal.
In case of Resistance to soldering heat
Surface.
Temperature
TMax.
TMlt
Tp2
Tp1
100 s
35 s
Time
7.Notice
· This material is subject to change without notice.
· Any part of this material may not be reproduced or duplicated in any form or any means without the written
permission of Seiko Epson.
· The information about applied data,circuitry, software, usage, etc. written in this material is intended for
reference only.
Seiko Epson does not assume any liability for the occurrence of customer damage or infringing on any patent
or copyright of a third party.
This material does not authorize the licensing for any patent or intellectual copyrights.
· When exporting the products or technology described in this material, you should comply with the applicable
export control laws and regulations and follow the procedures required by such laws and regulations.
· You are requested not to use the products (and any technical information furnished, if any) for the development
and/or manufacture of weapon of mass destruction or for other military purposes. You are also requested that
you
would not make the products available to any third party who may use the products for such prohibited
purposes.
· These products are intended for general use in electronic equipment. When using them in specific applications
that require
extremely high reliability, such as the applications stated below, you must obtain permission from Seiko Epson
in advance.
/ Space equipment (artificial satellites, rockets, etc.)
/ Transportation vehicles and related (automobiles, aircraft, trains, vessels, etc.)
/ Medical instruments to sustain life
/ Submarine transmitters
/ Power stations and related
/ Fire work equipment and security equipment
/ Traffic control equipment
/ And others requiring equivalent reliability.
· All brands or product names mentioned herein are trademarks and/or registered trademarks of their respective.
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http://www5.epsondevice.com/en/contact/
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