FA-238 Просмотр технического описания (PDF) - Epson ToYoCom
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FA-238 Datasheet PDF : 1 Pages
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Crystal unit
Epson Toyocom
MHz RANGE CRYSTAL UNIT
MINIATURE SIZE LOW PROFILE SMD
Product Number (please contact us)
FA-238V : Q22FA23V0xxxx00
FA-238 : Q22FA2380xxxx00
TSX-3225 : X1E000021xxxx00
FA - 238V / FA - 238
TSX - 3225
•Frequency range : 12 MHz to 60 MHz(FA-238,FA-238V)
• External dimensions : 3.2 × 2.5 × 0.6 t (mm) ···TSX-3225
: 3.2 × 2.5 × 0.7 t (mm) ···FA-238V / FA-238
•Overtone order
: Fundamental
•Applications
: Mobile phone, Bluetooth, W-LAN
: ISM band radio, Clock for MPU
Actual size
FA-238V/ FA-238
TSX-3225
Specifications (characteristics)
Item
Symbol
For Clock
FA-238V
FA-238
For RF Reference
TSX-3225
Nominal frequency range
f_nom
12.000 MHz to
15.999 MHz
16.000 MHz to
60.000 MHz
16.000 MHz to
48.000 MHz
Temperature Storage temperature
Range
Operating temperature
Level of drive
Frequency tolerance
Frequency versus
temperature characteristics
T_stg
T_use
DL
f_tol
f_tem
-40 °C to +125 °C
-40 °C to +85 °C
200 μW Max.
±50 × 10-6 (standard),
(±15 × 10-6 to ±50 × 10-6 is available)
±10 × 10-6
±30 × 10-6/-20 °C to +70 °C
±10 × 10-6/-20 °C to +75 °C
Load capacitance
CL
7 pF to ∞
Motional resistance (ESR)
Frequency aging
R1
f_age
As per below table
±5 × 10-6 / year Max.
*1 FA-238: For over 40 MHz, only the standard specification applies.
*2 40 MHz ≤ f_nom : ±2 × 10-6 / year Max.
As per below table
±1 × 10-6 / year Max.*2
Remarks
Fundamental *1
For the out of standard specifications,
please contact us for inquiries.
Store as bare product after unpacking
Recommended: 1 to 100 μW
+25 °C For the out of standard specifications,
please contact us for inquiries. *1
For the out of standard specifications, please
contact us for inquiries. *1
For the out of standard specifications, please
contact us for inquiries.
-40 °C to +85 °C, DL = 100 μW
+25 °C, First year
Motional resistance (ESR)
(FA-238V / FA-238) Frequency
12.0 MHz ≤ f_nom ≤ 13.0 MHz
13.0 MHz < f_nom < 20.0 MHz
20.0 MHz ≤ f_nom < 25.0 MHz
25.0 MHz ≤ f_nom < 30.0 MHz
30.0 MHz ≤ f_nom ≤ 60.0 MHz
Motional resistance
100 Ω Max.
80 Ω Max.
60 Ω Max.
50 Ω Max.
40 Ω Max.
(TSX-3225) Frequency
16.0 MHz ≤ f_nom < 21.0 MHz
21.0 MHz ≤ f_nom ≤ 48.0 MHz
Motional resistance
60 Ω Max.
40 Ω Max.
External dimensions
(Unit:mm)
FA-238V
#4
#3
1200M
V66RA
FA-238
#4
#3
2000M
E66RA
TSX-3225
#4
#3
Marking
Internal connection
(TOP VIEW)
#4
#3
#1
#2
#1
3.2±0.1
1.3
#1
#1
#2
0.7 Max.
#1
#2
3.2±0.1
1.2
#2
0.7 Max.
#2
#1
3.2±0.15
1.0
#1
#2
0.6 Max.
#2
#2 and #4
are connected to the cover.
(Please connect to ground)
C 0.3 Min.
#4
0.85 #3
#4
Footprint (Recommended)
FA-238V
2.4
0.9 #3
#4
1.0 #3
FA-238
2.2
TSX-3225
2.2
(Unit:mm)
1.9
1.6
1.6
1.2
1.4
1.2
1.4
1.15
1.4
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