Features
● Package size: 2.0 5 x 1.2 mm, t = 0.6 mm Max.
● Nominal frequency range: 32.768 kHz
● Frequency tolerance: ±20 x 10
-6
(+25 °C ± 5 °C)
● Operating temperature: -40 °C to +1２5 °C
● ESR: 40 kΩ Typ. (+25 °C)
70 kΩ Max. (-40 °C to +105 °C)
75 kΩ Max. (-40 °C to +125 °C)
Applications
● Sub-clock for automotive ECU microcomputers
● BLE sub-clock for automotive electronic key
● FA equipment
Description
Outline Drawing and Terminal Assignment Typical Performance
Low ESR n = 44
Pin Connection
#1 X'tal
#2 X'tal
AEC-Q200 compliant / high temperature (up to +125 ºC)
32.768 kHz crystal unit: FC2012AA
#1
#2
Internal
Connection
FC2012AA is an AEC-Q200 compliant, high temperature (up-to +125 ºC) , small size and low ESR
32.768 kHz crystal unit.
It is ideal for the growing automotive applications.
and FA (Factory Automation) equipment that require high-temperature operation up to +125 ºC.
Epson is a leading supplier of kHz-band crystal units and offers a lineup of oscillators with built-in
oscillator circuit ICs and real-time clock modules with built-in real-time clock ICs, in addition to crystal
units. Epson is committed to providing the lowest power solution for our customers.
FC2012AA
(2.05 x 1.2 mm, t = 0.6 mm Max.)
1. 2 ± 0.1
2.05 ± 0.1
0.6 Max.
#1
#2
0.85
0.5
1.0
0.1
40 kΩ Typ.
at +25 °C
Page 1 / 7 Document No FC2012AA_E_Ver1.1
[ 1 ] Product Number / Product Name
(1-1) Product Number
X1A000181xxxx18 (Please contact Epson for details)
(1-2) Product Name (Standard Form)
FC2012AA 32.768000k Hz 12.5 +20.0-20.0
a b c d
a: Model b: Frequency c: Load capacitance (pF) d: Frequency tolerance (x10
-6
, +25 °C)
[ 2 ] Absolute Maximum Ratings
Min. Typ. Max.
Storage temperature range T_stg -55 - +125 °C
Maximum level of drive GL - - 0.5 μW
[ 3 ] Operating Conditions
Min. Typ. Max.
Operating temperature range T_use -40 - +125 °C
Level of drive DL 0.01 0.1 0.5 μW
Load capacitance CL pF
Please contact us for other CL
values
[ 4 ] Static Characteristics
Item Symbol Unit Condition / Remarks
Nominal frequency range f_nom kHz
Frequency tolerance f_tol
x10
-6
T_use = +25 °C ± 3 °C
DL = 0.1 μW
Does not include
frequency aging
Turnover temperature Ti °C
Parabolic coefficient B
x10
-6
/ °C
2
Motional capacitance C1 fF
Shunt capacitance C0 pF
Isolation resistance IR MΩ
Frequency aging f_age
x10
-6
T_use = +25 °C,
First year, DL = 0.1 μW
Item
Symbol
Rating value
Unit
Note
Specifications
Item
Symbol
Rating value
Unit
Note
7, 9, 12.5
32.768
±20
Motional resistance
(ESR)
R1
40 Typ.
(+25 °C)
+25 ± 5
-0.04 Max.
1.5 Typ.
200 Min.
±5
Measuring instrument:
Keysight 4294A
DL = 0.5 μW
70 Max.
(-40 °C to +105 °C)
75 Max.
(-40 °C to +125 °C)
kΩ
8.0 Typ.
Page 2 / 7 Document No FC2012AA_E_Ver1.1