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FC-255 Datasheet(Fiches technique) 1 Page - Epson ToYoCom

Numéro de pièce FC-255
Description  kHz RANGE CRYSTAL UNIT LOW PROFILE SMD
Télécharger  2 Pages
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Fabricant  EPSONTOYOCOM [Epson ToYoCom]
Site Internet  http://www.epsontoyocom.co.jp
Logo EPSONTOYOCOM - Epson ToYoCom

FC-255 Datasheet(HTML) 1 Page - Epson ToYoCom

  FC-255 Datasheet HTML 1Page - Epson ToYoCom FC-255 Datenblatt HTML 2Page - Epson ToYoCom  
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http://www.epsontoyocom.co.jp
Crystal unit
Crystal unit
Crystal unit
Crystal unit
Epson Toyocom
Epson Toyocom
Epson Toyocom
Epson Toyocom
Specifications (characteristics)
Specifications
Item
Symbol
FC-135 / 145
FC-255
FC-135
FC-255
Remarks
Nominal frequency range
f_nom
32.768 kHz
32 kHz to
77.5 kHz
32 kHz to 100 kHz
Please contact us for inquiries
regarding available frequencies.
Storage
temperature
T_stg
-55
C to +125 C
Store as bare product after unpacking
Temperature
range
Operating
temperature
T_use
-40
C to +85 C
Level of drive
DL
0.5
W Max.
Frequency tolerance
(standard)
f_tol
20 10-6
+25
C, DL=0.1 W
Please ask for tighter tolerance
Turnover temperature
Ti
+25
C 5 C
Parabolic coefficient
B
-0.04
10-6 / C2 Max.
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 k
? Max.
65 k
? Max.
70 k
? to 45 k?
70 k
? to 30 k?
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
C0
1.0 pF Typ.
1.3 pF Typ.
1.3 pF to 0.5 pF
1.7 pF to 0.9 pF
Frequency aging
f_age
3 10-6 / year Max.
+25
C, First year
External dimensions
(Unit:mm)
.
Footprint (Recommended)
(Unit:mm)
FC-135
FC-145
FC-255
3.2 0. 1
0.75
1.7
A501J
FC-1 35
#1
#2
#1
#2
I nt ernal c onn ec tion
(TO P VIEW )
4.10.1
0. 9
2.3
A501J
#2
F C-1 45
4. 9 0.1
0 .85
3.2
A501J
#2
FC-2 55
#1
# 1
#1
#2
Int ernal connect ion
(TO P VIEW )
#1
#2
Int ern al connect ion
(TO P VIEW )
kHz RANGE CRYSTAL UNIT
LOW PROFILE SMD
FC - 135 / FC - 145
FC - 255
?Frequency range
:
32.768 kHz (32 kHz to 100 kHz)
?Thickness
:
0.9 mm Max.
?Overtone order
:
Fundamental
?Applications
:
Small communications devices
1.0
FC-135
FC-145
FC-255
2.5
?Do not design any patterns on shaded area.
3.2
1.1
4.2
1.3
Product Number (please contact us)
FC-135
: Q13FC1350xxxx00
FC-145
: Q13FC1450xxxx00
FC-255
: Q13FC2550xxxx00


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