Actual size
Crystal unit
Specifications (characteristics)
Item
Symbol
For Clock
For RF Reference
Conditions / Remarks
FA-238V
FA-238
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
Fundamental *1
Please contact us about available frequencies.
Storage temperature
T_stg
-40 C to +125 C
Storage as single product.
Operating temperature
T_use
-40 C to +85 C
Level of drive
DL
200 W Max.
Recommended: 1 to 100 W
Frequency tolerance
f_tol
50 10-6 (standard),
(15 10-6 to 50 10-6 is available)
10 10-6
+25 C Please contact us for requirements not
listed in this specifications. *1
Frequency versus
temperature characteristics
f_tem
30 10-6/-20 C to +70 C
10 10-6/-20 C to +75 C
Please contact us for requirements not listed in
this specifications. *1
Load capacitance
CL
7 pF to
Please specify.
Motional resistance (ESR)
R1
As per table below
As per table below
-40 C to +85 C, DL = 100 W
Frequency aging
f_age
5 10-6 / year Max.
1 10-6 / year Max.*2
+25 C, First year
*1 FA-238: For over 40 MHz, only the standard specification applies. *2 40 MHz f_nom : 2 10-6 / year Max.
Motional resistance (ESR)
(FA-238V / FA-238) Frequency
Motional resistance
(TSX-3225) Frequency
Motional resistance
12.0 MHz f_nom 13.0 MHz
100 Ω Max.
16.0 MHz f_nom < 21.0 MHz
60 Ω Max.
13.0 MHz < f_nom < 20.0 MHz
80 Ω Max.
21.0 MHz f_nom 48.0 MHz
40 Ω Max.
20.0 MHz f_nom < 25.0 MHz
60 Ω Max.
25.0 MHz f_nom < 30.0 MHz
50 Ω Max.
30.0 MHz f_nom 60.0 MHz
40 Ω Max.
Product name FA-238V 12.000000MHz 12.0 +15.0-15.0
(Standard form) ① ② ③ ④
①Model ②Frequency ③Load capacitance(pF) ④Frequency tolerance(× 10-6, +25 C)
In addition to the above mentioned specification item, please specify frequency temperature characteristics
and operating temperature range in case of inquiry.
External dimensions (Unit:mm)
Footprint (Recommended) (Unit:mm)
FA-238V/ FA-238
MHz RANGE CRYSTAL UNIT
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 mm ···TSX-3225
: 3.2 × 2.5 × 0.7 mm ···FA-238V / FA-238
Overtone order : Fundamental
Applications : Mobile phone, Bluetooth, W-LAN
: ISM band radio, Clock for MPU
TSX-3225
Product Number (please contact us)
FA-238V : Q22FA23V0xxxx00
FA-238 : Q22FA2380xxxx00
TSX-3225 : X1E000021xxxx00
#1
#4
#2
#3
Internal connection
(TOP VIEW)
#2 and #4
are connected to the cover.
(Please connect to ground)
0.85
0.9
#3
#4
0.7
1.3
#2
#1
0.9
0.7
#1
#3
#4
0.8
#2
1.2
C 0.3 Min.
1.0
0.7
#1
#3
#4
0.8
#2
1.0
0.6 Max.
3.2±0.15
#1
#4
2.5±0.15
#2
#3
Marking
TSX-3225
3.2±0.1
#1
#4
2.5±0.1
#2
#3
0.7 Max.
FA-238
3.2±0.1
#1
#4
2.5±0.1
#2
#3
1200M
V66RA
FA-238V
0.7 Max.
2000M
E66RA
1.2
2.2
1.4
1.6
FA-238
FA-238V
1.2
2.4
1.4
1.9
1.15
2.2
1.4
1.6
TSX-3225
