RECIPIENT
SPECIFICATIONS
Product No. :
Q24FA20H0038900
FA-20H
MODEL :
DATE:
Sept. 1. 2015
SEIKO EPSON CORPORATION
ECCSH
CHECKED
Kiang
/
PREPARED
Jarry
/
Ver.20150424
SPECIFICATIONS
1. Application
1) This document is applicable to the crystal.
2) This product complies with RoHS Directive.
3) This Product supplied (and any technical information furnished, if any) by Seiko Epson Corporation shall not be used
for the development and manufacture of weapon of mass destruction or for other military purposes.
Making available such products and technology to any third party who may use such products or technologies for the
said purposes are also prohibited.
4) This product listed here is designed as components or parts for electronics equipment in general consumer use.
We do not expect that any of these products would be incorporated or otherwise used as a component or part for the
equipment, which requires an systems, and medical equipment, the functional purpose of which is to keep extra high
reliability, such as satellite, rocket and other space life.
2. Product No. / Model
The product No. of this crystal unit is Q24FA20H0038900.
The model is FA-20H.
3. Packing
It is subject to the packing standard of Seiko Epson Corp.
4. Warranty
Defective parts which originate with us are replaced free of charge in the case of defects being found with 12 months
after delivery.
5. Amendment and/or termination
Amendment and/or termination of this specification is subject to the agreement between the two parties.
6. Contents
Item No.
Item
Page
[1]
Absolute maximum ratings
2
[2]
Operating range
2
[3]
Static characteristics
2
[4]
Environmental and mechanical characteristics
3
[5]
Dimensions and circuit
4
[6]
Recommended soldering pattern and marking layout
5
[7]
Notes
6
1
Ver.20150424
[ 1 ] Absolute maximum ratings
Rating value
No.
1
Item
Storage temperature
range
Symbol
Min.
T_stg
- 40
Typ.
Max.
Unit
+ 125
°C
Max.
Unit
+ 85
°C
200
µW
Note
Depends on the Environmental
characteristics specifications.
[ 2 ] Operating range
Rating value
No.
Item
Symbol
Min.
1
Operating temperature
range
T_use
- 30
2
Level of drive
Typ.
DL
100
Symbol
Value
Unit
f_nom
38.4
MHz
± 10
× 10
Note
Recommended : 100 µW
[ 3 ] Static characteristics
No.
1
Item
Nominal Frequency
-6
2
Frequency tolerance
f_tol
3
Motional resistance
R1
4
Shunt capacitance
C0
2.0 Max.
pF
5
Frequency temperature
characteristics
f_tem
± 12.5
× 10
6
Isolation resistance
IR
500 Min.
MΩ
7
Frequency Aging
f_age
± 1 (12 < f_nom ≤ 40 MHz)
± 3 (40 < f_nom ≤ 48 MHz)
× 10-6/year
40 Max.(35 < f_nom ≤ 48 MHz)
Ω
Fundamental
CL = 10 pF
Ta = + 25 ± 3°C
DL = 100 μW
Not include aging
π circuit IEC 60444-2
Ta = Operating temperature range
DL = 100 μW
π circuit and N.A.
-6
2
Conditions
Ta = Operating temperature range
(Ref. at Ta = + 25 °C ± 3 °C)
DL = 100 μW
DC 100 V± 15, 60 seconds
Between terminal # 1 and
terminal # 3
Ta = + 25 °C ± 3 °C
Ver.20150424
[ 4 ] Environmental and mechanical characteristics
(The company evaluation condition:We evaluate it by the following examination item and examination condition.)
Value * 1 * 2
Test Conditions
No. Item
∆f / f [1 × 10-6]
± 2 (12 < f_nom ≤ 40 MHz)
± 5 (40 < f_nom ≤ 48 MHz)
150 g dummy Jig (ETC Standard) drop from
1 500 mm height on the Concrete 3 directions 10
times
± 2 (12 < f_nom ≤ 40 MHz)
± 5 (40 < f_nom ≤ 48 MHz)
10 Hz to 55 Hz amplitude 0.75 mm
55 Hz to 500 Hz acceleration 98 m/s2
10 Hz → 500 Hz → 10 Hz 15 min./cycle
6 h (2 hours , 3 directions)
*3
1
Shock
*3
2
Vibration
3
High temperature storage
*3
± 2 (12 < f_nom ≤ 40 MHz)
± 5 (40 < f_nom ≤ 48 MHz)
+ 85 °C × 1 000 h
± 2 (12 < f_nom ≤ 40 MHz)
± 5 (40 < f_nom ≤ 48 MHz)
- 40 °C × 1 000 h
*3
4
Low temperature storage
5
Temperature cycle
6
Temperature humidity
storage
7
Resistance to soldering heat
8
Substrate bending
9
Shear
10
Pull – off
11
Solderability
*3
- 40 °C ↔ + 85 °C
30 minutes at each temp. 100 cycle
± 2 (12 < f_nom ≤ 40 MHz)
± 5 (40 < f_nom ≤ 48 MHz)
*3
± 2 (12 < f_nom ≤ 40 MHz)
± 5 (40 < f_nom ≤ 48 MHz)
± 2 (12 < f_nom ≤ 40 MHz)
± 5 (40 < f_nom ≤ 48 MHz)
+ 85 °C × 85 %RH × 1 000 h
For convention reflow soldering furnace
(3 times)
Bend width reaches 3 mm and hold for
5 s ± 1 s × 1 time Ref. IEC 60068-2-21
10 N press for 10 s ± 1 s
Ref. IEC 60068-2-21
10 N press for 10 s ± 1 s
Ref. IEC 60068-2-21
Dip termination into solder bath at
+ 235 °C ± 5 °C for 5 s
(Using Rosin Flux)
No peeling-off at a soldered part
No peeling-off at a soldered part
No peeling-off at a soldered part
Terminals must be 95 % covered
with fresh solder.
< Notes >
1. * 1 Each test done independently.
2. * 2 Measuring 2 h to 24 h later leaving in room temperature after each test.
3. * 3 Item No.1 to No.6 shall be tested after following pre conditioning.
Measuring 24 h later leaving in room temperature after Pre conditioning.
Pre conditioning : Reflow 3 times.
4. Item No.1 to No.7, Shift motional resistance at after above tests should be less than 20 % or less than 10 Ω.
◆Reflow condition (follow to IPC/JEDEC J-STD-020C)
Temperature [ °C ]
300
TP
; +260 °C
+255 °C
250
200
150
TL
; +217 °C
Ts max ; +200 °C
Ts min ; +150 °C
tp ; 20 s
Avg. Ramp-up
3 °C / s Max.
tL
60 s to 150 s
( +217 °C over )
to 40 s
Ramp-down
6 °C / s Max.
ts
60 s to 180 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 ]
3
Ver.20150424
[ 5 ] Dimensions and Circuit
1) Dimension
2.5 ± 0.1
#3
2.0 ± 0.1
#3
Marking
#4
0.5
#4
0.65
C3
#2
#2
0.45 ± 0.10
#1
#1
0.7
0.8
Pin connection
# 1,# 3 IN/OUT
# 2,# 4 GND
2) Circuit
(Top
View)
#4
#3
#1
#2
Terminal
# 1, # 3 : X’tal
# 2, # 4 : GND(are connected to the cover)
Type : FA-20H
Terminal treatment : Au plate
4
Unit : 1 = 1mm
Ver.20150424
[ 6 ] Recommended soldering pattern and Marking layout
1)Recommended soldering pattern
1.4
1.1
1.2
1.7
2) Marking layout
Nominal frequency
400AM
E18AA
Unit : MHz
Symbol mark
Factory identity No.
Production month
Production year
Production month
January
February
......
October
November
December
1
2
......
X
Y
Z
• Nominal frequency is only one example.
• Nominal frequency omits the figure below the first place of decimals.
ex) 40 MHz ...... [400]
• The above marking layout shows only marking contents and their approximate position and it is
not for font, size and exact position.
Type : FA-20H
Unit : 1 = 1 mm
5
Ver.20150424
[ 7 ] Notes
1. Max three (3) times re-flow is allowed. Its recommended to manually solder when not enough/no solder detected.( Using
soldering iron at +350 °C Max × within 5 seconds)
2. Patterning on a board should follow our company recommended pattern.
3. Too much exciting shock or vibration may cause deterioration on damage.
The product may damage depends on the condition such as a shock in assembly machinery.
Please check your process condition in advance to minimize and maintain the shock level.
4. It is recommended to do patterning to the oscillator as short as possible. Abnormal oscillation may happened if the line
is too long.
5. Condensation may occur when products are used/stored under remarkable temperature change.
6. This product may be affected to ultrasonic cleaning. It is depends on the cleaning conditions (Cleaning machine
type/power/time/content/position etc.). The warranty will not cover any damage due to this type of usage. Check
conditions prior to use.
7. When the substrate of oscillation become dewy, the crystal frequency is changed or stopped. Please use under without the
dewfall.
8. Applying excessive excitation Drive Level to the crystal Unit may cause deterioration damage.
9. Few data or readings taken at user side may be different from our company’s data. Confirmation of the different value is
necessary before application.
10. To avoid malfunction, no pattern across or near the crystal is allowed.
11. Start up time of oscillation may be increased or no oscillation may occur unless adequate negative resistance is
allocated in the oscillation circuit In order to avoid this, please provide enough negative resistance to the circuit design.
How to check the negative resistance
(1) Connect the resister(R) to the circuit in series with the crystal Unit.
Rf
(2) Adjust R so that oscillation can start (or stop).
INV
(3) Measure R when oscillation just start (or stop) in above (2).
Rd
R
X’tal
Cg
Cd
(4) Get the negative resistance
-R=R+CI value.
(5) Recommended -R
[-R] > CI × 5
12. Please refer to packing specification for the storage method and packing standard.
6
Ver.20150424
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