kHz Range Crystal unit
· Package size (3.2 mm × 1.5 mm × 0.9 mm)
· Fundamental mode
· Reference weight Typ.13 mg
X1A0001610001xx
[ 1 ] Product Number / Product Name / Marking
(1-1) Product Number / Ordering Code
X1A0001610001xx
Last 2 digits code(xx) defines Quantity.
The standard is "16", 3 000 pcs/Reel.
(1-2) Product Name / Model Name
FC3215AN 32.768000 kHz 12.5 +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 - +105 ºC
Level of drive DL - 0.1 0.5 µW
Frequency tolerance f_tol -20 0 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 - 12.5 - pF
- 35 - +25 ºC
- - 50 -40 ºC to +85 ºC
- - 60 -40 ºC to +105 ºC
Motional capacitance C1 - 8.4 - fF
Shunt capacitance C0 - 1.6 - pF
Motional inductance L1 - 2.8 - kH
Frequency aging f_age -3 - +3
x10
-6
/yea
+25 ºC, First year
[ For other general specifications, please refer to the attached Full Data Sheet below ]
Motional resistance (ESR)
R1
k
Parameter
Symbol
Specifications
Unit
Conditions
Parameter
Symbol
Specifications
Unit
Conditions
1 / 9 Page
Features
Package size: 3.2 x 1.5 mm, t = 0.9 mm Max.
Nominal frequency range: 32.768 kHz
Frequency tolerance: ±20 x 10
-6
(+25 °C ± 5 °C)
Operating temperature: -40 °C to +105 °C
ESR: 35 kΩ Typ. (+25 °C)
50 kΩ Max. (-40 °C to +85 °C)
60 kΩ Max. (-40 °C to +105 °C)
Applications
Wireless Modules for Sub-clock
Wearable Products
Low Power MCUs for Sub-clock
Battery Powered IoT Products
Description
Outline Drawing and Terminal Assignment Typical Performance
Pin Connection
#1 X'tal
#2 X'tal
Low ESR 50 kΩ Max. 32.768 kHz Crystal Unit: FC3215AN
  Low ESR
#1
#2
Internal
Connection
FC3215AN
(3.2 x 1.5 mm, t = 0.9 mm Max.)
1.7
3.2±0.1
0.65
#1
#2
1. 5±0.1
0.9 Max.
1.3
0.15
FC3215AN is a low ESR and compact 32.768 kHz crystal unit that has a robust Pb-free
metal lid + seam sealed package.
It is equipped with a newly redesigned crystal element based on our in-
house design and production technology
expertise of tuning-fork crystal devices over the decades. It is ideal for applications that require low current
consumption, such battery powered IoT devices .
It also supports an operating temperature range of up to +105 °C.
Page 2 / 9 Spec No FC3215AN_E_Ver1.1