kHz Range Crystal unit
· Package size (2.05 mm × 1.2 mm × 0.6 mm)
· Fundamental mode
· Reference weight Typ.4.2 mg
X1A0001810003xx
[ 1 ] Product Number / Product Name / Marking
(1-1) Product Number / Ordering Code
X1A0001810003xx
Last 2 digits code(xx) defines Quantity.
The standard is "18", 5 000 pcs/Reel.
(1-2) Product Name / Model Name
FC2012AA 32.768000 kHz 7.0 +20.0-20.0
#N/A
[ 2 ] Absolute maximum ratings
Min. Typ. Max.
Storage temperature T_stg -55 - +125 ºC Storage as single product
Maximum drive level GL - - 0.5 µW
[ 3 ] Specifications(characteristics)
Min. Typ. Max.
Nominal frequency f_nom - 32.768000 - kHz
Operating temperature T_use -40 - +125 ºC
Level of drive DL - 0.1 0.5 µW
Frequency tolerance f_tol -20 - +20
x 10
-6
+25 ºC DL = 0.1 µW
Turnover temperature Ti +20 +25 +30 ºC
Parabolic coefficient B - - -0.04
x 10
-6
/ºC
2
Load capacitance CL - 7.0 - pF
- 40 - +25 ºC
- - 70 -40 ºC to +105 ºC
- - 75 -40 ºC to +125 ºC
Motional capacitance C1 - 8 - fF
Shunt capacitance C0 - 1.5 - pF
Motional inductance L1 - 3.2 - kH
Frequency aging f_age -5 - +5
x10
-6
/yea
+25 ºC, First year
[ For other general specifications, please refer to the attached Full Data Sheet below ]
Motional resistance (ESR)
R1
Parameter
Symbol
Specifications
Unit
Conditions
Parameter
Symbol
Specifications
Unit
Conditions
1 / 8 Page
 
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 +15 °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 2 / 8 Document No FC2012AA_E_Ver1.1