Technical information

Actual size
http://www.epsontoyocom.co.jp
Crystal unit
Crystal unitCrystal unit
Crystal unit Epson Toyocom
Epson ToyocomEpson Toyocom
Epson Toyocom
S
p
ecifications
(
characteristics
)
Specifications
Item
Symbol
For RF Reference
For Clock
Remarks
Nominal frequency range f_nom 30.000 MHz to 54.000 MHz
Fundamental
Please contact us for inquiries regarding
the available frequencies.
Storage temperature range T_stg -40 °C to +125 °C Store as bare product after unpacking
Operating temperature range T_use -40 °C to +85 °C
Level of drive DL 50 µW Max. 100 µW Max.
Frequency tolerance
(standard)
f_tol ±10 × 10
-6
±30 × 10
-6
+25 °C
For the out of standard specifications, please
contact us for inquiries.
Frequency versus
temperature characteristics
(standard)
f_tem ±10 × 10
-6
±30 × 10
-6
-20 °C to +75 °C
For the out of standard specifications, please
contact us for inquiries.
Load capacitance C L 8 pF to ∞ Please specify.
Motional resistance (ESR) R 1 As per below table -20 °C to +75 °C
Frequency aging f_age ±1 × 10
-6
/ year Max. ±5 × 10
-6
/ year Max. +25 °C, First year
Motional resistance
(
ESR
)
Frequency
Motional resistance
30.0 MHz ≤ f_nom ≤ 32.0 MHz 200 Ω Max.
32.0 MHz < f_nom < 36.0 MHz 100 Ω Max.
36.0 MHz ≤ f_nom ≤ 54.0 MHz 60 Ω Max.
External dimensions (Unit:mm)
Foot
p
rint
(
Recommended
)
(Unit:mm)
MHz RANGE CRYSTAL UNIT
ULTRA MINIATURE SIZE LOW PROFILE SMD
FA - 118T
•Nominal frequency range : 30 MHz to 54 MHz
•Thickness : 0.35mm Max.
•Overtone order : Fundamental
•Applications : Mobile phone, Bluetooth, W-LAN
: ISM band radio, Clock for MPU
1.10
0.65
0.55
0.80
#1
#4
#2
#3
Internal connection
(TOP VIEW)
1.6±0.1
1.2±0.1
0.35 Max.
#1
#4
#2
#3
0.3 0.4
0.5 0.5
C 0.15 Min.
#2 and #4 are connected to the cover.
(Please connect to ground)
Marking
#1
#4
#2
#3
Product Number (please contact us )
X12000251xxxx00