Crystal unit
Product Number (please contact us)
FC-135R : X1A000141xxxx00
FC-135
: Q1xFC1350xxxx00
FC-255
: Q1xFC2550xxxx00
kHz RANGE CRYSTAL UNIT
FC - 135R
FC - 135
/
FC - 255
Frequency
range
:
External
dimensions
:
:
Overtone
order
:
Applications
:
32.768 kHz (32 kHz to 100 kHz)
3.2 × 1.5 × 0.80 mm ···FC-135R/FC-135
4.9 × 1.8 × 0.80 mm ···FC-255
Fundamental
Small communications devices
Actual size
FC-135R/FC-135
FC-255
Specifications (characteristics)
Item
Nominal frequency range
Storage temperature
Operating temperature
Level of drive
Frequency tolerance
(standard)
Turnover temperature
Parabolic coefficient
Load capacitance
Motional resistance (ESR)
Motional capacitance
Shunt capacitance
Frequency aging
Product name
(Standard form)
Symbol
f_nom
T_stg
T_use
DL
f_tol
Ti
B
CL
R1
C1
C0
f_age
FC-135R
32.768 kHz
Specifications
FC-135
FC-255
32 kHz to
32 kHz to
32.768 kHz
32.768 kHz
100 kHz
77.5 kHz
-55
C
to +125
C
-40
C
to +85
C
0.5
W
(1.0
W
Max.)
20
10
-6
-6
Conditions / Remarks
Please contact us about available
frequencies.
Storage as single product.
Please contact us if you require
1.0W Max.
+25
C,
DL=0.1
W
Please ask for tighter tolerance
0.5
W
Max.
+25
C 5 C
-0.04
10 /
C
Max.
2
7 pF, 9 pF, 12.5 pF
50 k Max.
3.4 fF Typ.
1.1 pF Typ.
70 k Max.
7 pF, 12.5 pF
70 k to
30 k
2.3 fF to
0.6 fF
1.7 pF to
0.9 pF
Please specify
70 k to
65 k Max.
45 k
3.7 fF to
3.4 fF Typ.
2.0 fF Typ.
1.6 fF
1.3 pF to
1.0 pF Typ.
1.3 pF Typ.
0.5 pF
-6
3
10 / year Max.
+25
C,
First year
FC-135R 32.768000kHz 12.5 +20.0-20.0
①
②
③
④
①Model
②Frequency
③Load
capacitance(pF)
④Frequency
tolerance(
×
10
,
+25
C)
-6
.
External dimensions
FC-135R / FC135
1.5±0.1
(
Unit:mm)
FC-255
C622J
3.2±0.1
A501J
4.9±0.1
0.8±0.1
1.7
#1
#2
Internal
Connection
#1
#1
#2
3.2
#2
0.85
0.8±0.1
Internal
Connection
#1
1.8±0.1
#2
0.75
Footprint (Recommended)
FC-135R / FC-135
1.0
FC-255
1.3
(Unit:mm)
1.8
2.5
Do
not design any circuit patterns in the shaded area.
4.2
2.2
PROMOTION OF ENVIRONMENTAL MANAGEMENT SYSTEM
CONFORMING TO INTERNATIONAL STANDARDS
At Seiko Epson, all environmental initiatives operate under the
Plan-Do-Check-Action (PDCA) cycle designed to achieve continuous
improvements. The environmental management system (EMS)
operates under the ISO 14001 environmental management standard.
All of our major manufacturing and non-manufacturing sites, in
Japan and overseas, completed the acquisition of ISO 14001
certification.
ISO 14000 is an international standard for environmental
management that was established by the International
Standards Organization in 1996 against the background of
growing concern regarding global warming, destruction of
the ozone layer, and global deforestation.
WORKING FOR HIGH QUALITY
In order provide high quality and reliable products and services
than meet customer needs,
Seiko Epson made early efforts towards obtaining ISO9000 series
certification and has acquired ISO9001 for all business
establishments in Japan and abroad. We have also acquired ISO/TS
16949 certification that is requested strongly by major automotive
manufacturers as standard.
►Explanation
of the mark that are using it for the catalog
►Pb
free.
►Complies
with EU RoHS directive.
*About the products without the Pb-free mark.
Contains Pb in products exempted by EU RoHS directive.
(Contains Pb in sealing glass, high melting temperature type solder or other.)
►Designed
for automotive applications such as Car Multimedia, Body Electronics, Remote Keyless Entry etc.
►Designed
for automotive applications related to driving safety (Engine Control Unit, Air Bag, ESC etc ).
ISO/TS16949 is the international standard that added the
sector-specific supplemental requirements for automotive
industry based on ISO9001.
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 circuitry, software, usage, etc. written in this material is intended for reference only. Seiko Epson does
not assume any liability for the occurrence of 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.
Seiko Epson Corporation
DSP and ARM Processors
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