Crystal unit
Epson Toyocom
Product Number (please contact us)
FC-135
: Q13FC1350xxxx00
FC-145
: Q13FC1450xxxx00
FC-255
: Q13FC2550xxxx00
kHz RANGE CRYSTAL UNIT
LOW PROFILE SMD
FC - 135
/
FC - 145
FC - 255
•Frequency
range
•Thickness
•Overtone
order
•Applications
:
:
:
:
32.768 kHz (32 kHz to 100 kHz)
0.9 mm Max.
Fundamental
Small communications devices
Actual size
FC-135
FC-145
FC-255
Specifications (characteristics)
Item
Nominal frequency range
Temperature
range
Level of drive
Frequency tolerance
(standard)
Turnover temperature
Parabolic coefficient
Load capacitance
Motional resistance (ESR)
Motional capacitance
Shunt capacitance
Frequency aging
Storage
temperature
Operating
temperature
Symbol
f_nom
T_stg
T_use
DL
f_tol
Ti
B
CL
R
1
C
1
C
0
f_age
7 pF,9 pF,12.5 pF
70 kΩ Max.
3.4 fF Typ.
1.0 pF Typ.
FC-135
/
145
Specifications
FC-255
FC-135
32 kHz to
32.768 kHz
77.5 kHz
-55
°C
to +125
°C
-40
°C
to +85
°C
0.5
µW
Max.
±20 ×
10
-6
+25
°C ±5 °C
-0.04
×
10
-6
/
°C
2
Max.
7 pF, 12.5 pF
65 kΩ Max.
2.0 fF Typ.
1.3 pF Typ.
-6
FC-255
32 kHz to 100 kHz
Remarks
Please contact us for inquiries
regarding available frequencies.
Store as bare product after unpacking
+25
°C,
DL=0.1
µW
Please ask for tighter tolerance
7 pF,9 pF,12.5 pF
70 kΩ to 45 kΩ
3.7 fF to 1.6 fF
1.3 pF to 0.5 pF
7 pF, 12.5 pF
70 kΩ to 30 kΩ
2.3 fF to 0.6 fF
1.7 pF to 0.9 pF
Please specify
±3 ×
10 / year Max.
+25
°C,
First year
.
External dimensions
FC-1 35
1.5 ±0.1
(
Unit:mm)
F C-1 45
1.5 ±0.1
FC-2 55
1.8 ±0.1
A501J
3.2 ±0. 1
A501J
4.1±0.1
A501J
4. 9 ±0.1
0.8 ±0.1
0.8 ±0.1
1.7
2.3
3.2
#1
#2
I nt ernal c onn ec tion
(TO P V IE W )
#1
#2
Int ern al connect ion
(TO P V IE W )
#1
#2
Int ernal connect ion
(TO P V IE W )
0.75
#1
#2
0. 9
#1
#2
0 .85
#1
0.8 ±0.1
#2
Footprint (Recommended)
(Unit:mm)
FC-135
1.0
FC-145
1.1
FC-255
1.3
1.8
1.8
2.5
3.2
4.2
∗
Do not design any patterns on shaded area.
http://www.epsontoyocom.co.jp
2.2
EPSONTOYOCOM [ EPSON TOYOCOM ]
