Crystal unit
Specifications (characteristics)
Fundamental *1
Please contact us about available frequencies.
Storage as single product.
50 10-6 (standard),
(15 10-6 to 50 10-6 is available)
+25 C Please contact us for requirements not
listed in this specifications. *1
Frequency versus
temperature characteristics
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
Motional resistance (ESR)
-40 C to +85 C, DL = 100 W
*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
12.0 MHz f_nom 13.0 MHz
16.0 MHz f_nom < 21.0 MHz
13.0 MHz < f_nom < 20.0 MHz
21.0 MHz f_nom 48.0 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
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)
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
Product Number (please contact us)
FA-238V : Q22FA23V0xxxx00
FA-238 : Q22FA2380xxxx00
TSX-3225 : X1E000021xxxx00
Internal connection
(TOP VIEW)
#2 and #4
are connected to the cover.
(Please connect to ground)