Actual size
Crystal unit
S
p
ecifications
(
characteristics
)
Item Symbol Specifications Conditions / Remarks
For RF Reference For Clock
Nominal frequency range f_nom 12.000 MHz to 48.000 MHz Fundamental
Please contact us about available
frequencies.
Storage temperature range T_stg -40 C to +125 C Storage as single product.
Operating temperature range T_use -40 C to +85 C
Level of drive DL 100 W Max. 200 W Max. Recommended: 1 W to 100 W
Frequency tolerance f_tol 10 10-6 to 30 10-6 *130 10-6 +25 C
Please contact us for inquiries.
Frequency versus temperature
characteristics f_tem 10 10-6 to 30 10-6 *130 10-6 -20 C to +75 C
Please contact us for inquiries.
Load capacitance CL 6 pF to Please specify.
Motional resistance (ESR) R1 As per table below -20 C to +75 C
Frequency aging f_age 1 10-6 to 3 10-6 / year Max. *1 +25 C, First year
*1 Please contact us for available frequency tolerances as they are dependent upon the nominal frequency.
Motional resistance
(
ESR
)
Frequency Motional resistance
12.0 MHz f_nom < 16.0 MHz 150 Max.
16.0 MHz f_nom 25.0 MHz 80 Max.
25.0 MHz < f_nom 30.0 MHz 60 Max.
30.0 MHz < f_nom 35.0 MHz 50 Max.
35.0 MHz < f_nom 48.0 MHz 40 Max.
External dimensions
(
Unit:mm
)
Foot
p
rint
(
Recommended
)
(
Unit:mm
)
MHz RANGE CRYSTAL UNIT
ULTRA MINIATURE SIZE LOW PROFILE SMD
FA - 20H
Nominal frequency range : 12 MHz to 48 MHz
External dimensions : 2.5
× 2.0×0.55 mm
Overtone order : Fundamental
Applications : Mobile phone, Bluetooth, W-LAN
: ISM band radio, Clock for MPU
#1
#4
#2
#3
Internal c on nection
(TOP VIEW)
#2 and #4 are c onn ec ted to the cover.
(Please connec t to ground)
2.5±0.1
2.0±0.1
0.55 Max.
#1
#4
#2
#3
0.5 0.65
0.7 0.8
Marking
C 0.3 Min.
#1
#4
#2
#3
1.7
1.2
1.1
1.4
Product Number (please contact us)
Q24FA20H0xxxx00
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.
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.)
►The products have been designed for high reliability applications such as Automotive.
Seiko Epson Corporation
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.
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.
ISO/TS16949 is the international standard that added the
sector-specific supplemental requirements for automotive
industry based on ISO9001.
