FC-135 View Datasheet(PDF) - Epson ToYoCom
Part Name
Description
Manufacturer
FC-135 Datasheet PDF : 2 Pages
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Crystal unit
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
Epson Toyocom
Product Number (please contact us)
FC-135 : Q13FC1350xxxx00
FC-145 : Q13FC1450xxxx00
FC-255 : Q13FC2550xxxx00
Actual size
FC-135
FC-145
FC-255
Specifications (characteristics)
Item
Nominal frequency range
Temperature
range
Storage
temperature
Operating
temperature
Level of drive
Frequency tolerance
(standard)
Turnover temperature
Parabolic coefficient
Symbol
f_nom
T_stg
T_use
DL
f_tol
Ti
B
Specifications
FC-135 / 145
FC-255
FC-135
32.768 kHz
32 kHz to
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 / °C2 Max.
FC-255
Remarks
32 kHz to 100 kHz
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
Load capacitance
CL 7 pF,9 pF,12.5 pF 7 pF, 12.5 pF 7 pF,9 pF,12.5 pF 7 pF, 12.5 pF Please specify
Motional resistance (ESR)
R1
70 kΩ Max.
65 kΩ Max.
70 kΩ to 45 kΩ 70 kΩ to 30 kΩ
Motional capacitance
C1
3.4 fF Typ.
2.0 fF Typ.
3.7 fF to 1.6 fF 2.3 fF to 0.6 fF
Shunt capacitance
Frequency aging
C0
f_age
1.0 pF Typ.
1.3 pF Typ.
1.3 pF to 0.5 pF
±3 × 10-6 / year Max.
1.7 pF to 0.9 pF
+25 °C, First year
External dimensions
.
FC-1 35
A501J
F C-145
A501J
FC-2 55
A501J
(Unit:mm)
3.2 ±0. 1
4.1±0.1
4. 9 ±0.1
1.7
#1
#2
I nt ernal c onn ec tion
#1
(TO P V IE W )
0.75
#1
#2
2.3
#2
Int ern al connect ion
#1
(TO P V IE W )
0. 9
#1
#2
3.2
#2
Int ernal connect ion
(TO P V IE W )
0 .85
#1
#2
Footprint (Recommended)
(Unit:mm)
FC-135
FC-145
FC-255
1.0
1.1
1.3
2.5
3.2
4.2
∗Do not design any patterns on shaded area.
http://www.epsontoyocom.co.jp
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