kHz Range Crystal unit
Product name
Product Number / Ordering code
Pb free / Complies with EU RoHS directive
Reference weight Typ. 5 mg
FC-12M
FC-12M 32.768000 kHz 12.5 +20.0-20.0
X1A0000610002xx
Please refer to the 5.Packing information about xx (last 2 digits)
1.Absolute maximum ratings
Parameter
Storage temperature
Maximum drive level
Symbol
T_stg
GL
Min.
-55
-
Typ.
-
-
Max.
+125
0.5
Unit
ºC
µW
Conditions / Remarks
Storage as single product
2.Specificatoins(characteristics)
Parameter
Symbol
Nominal frequency
Operating temperature
Level of drive
Frequency tolerance
Turnover temperature
Parabolic coefficient
Load capacitance
Motional resistance (ESR)
Motional capacitance
Shunt capacitance
Motional inductance
Frequency aging
f_nom
T_use
DL
f_tol
Ti
B
CL
R1
C1
C0
L1
f_age
Min.
-
-40
-
-20.0
+20
-
-
-
-
-
-
-3
Typ.
32.768
-
-
-
+25
-
12.5
65
6.4
1.3
3.7
-
Max.
-
+85
0.5
+20.0
+30
-0.04
-
90
-
-
-
+3.0
Unit
Conditions / Remarks
kHz
ºC
µW
x 10
-6
+25ºC DL=0.1µW
ºC
x 10
-6
/ºC
2
pF
k
Ω
fF
pF
kH
x10
-6
/yea @+25ºC, First year
3.External dimensions
(Unit: mm)
4.Footprint(Recommended)
(Unit: mm)
A634J
2.05±0.05
1.2±0.0
Internal connection
(TOP VIEW)
0.7
1.4
1.5
#1
#2
1.0
#1
0.525
#2
5.Packing information
[ 1 ]Product number last 2 digits code (xx) description
X1A0000610002xx
The recommended code is "18"
0.6 Max.
*Do
not design any
circuit patterns in the
Code
01
11
12
14
Condition
Any Q'ty vinyl bag(Tape cut)
Any Q'ty / Reel
250pcs / Reel
1000pcs / Reel
Code
00
18
Condition
3000pcs / Reel
5000pcs / Reel
1 Page
Reflow profile
Reflow condition (Follow of JEDEC STD-020D.01)
Temperature [
°C
]
300
TP
; +260
°C
OVER
+255
°C
Ramp-up rate
250
TL
200
tp ; at least 30 s
tL
60 s to 150 s
( +217
°C
; +217
°C
Ramp-down rate
Ts max ; +200
°C
Ts min ; +150
°C
150
ts
60 s to 120 s
( +150
°C
to +200
°C)
100
50
Time +25
°C
to Peak
0
60
120
180
240
300
360
420
480
540
600
660
720
780
Time [ s ]
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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