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FC-255 Fiches technique(PDF) 1 Page - Epson Company

No de pièce FC-255
Description  kHz RANGE CRYSTAL UNIT LOW PROFILE SMD
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Fabricant  EPSON [Epson Company]
Site Internet  http://www.epsondevice.com
Logo EPSON - Epson Company

FC-255 Fiches technique(HTML) 1 Page - Epson Company

  FC-255 Datasheet HTML 1Page - Epson Company FC-255 Datasheet HTML 2Page - Epson Company  
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background image
Actual size
Crystal unit
Specifications (characteristics)
Item
Symbol
Specifications
Conditions / Remarks
FC-135
FC-135
FC-255
FC-255
Nominal frequency range
f_nom
32.768 kHz
32 kHz to
77.5 kHz
32.768 kHz
32 kHz to
100 kHz
Please contact us about available
frequencies.
Storage temperature
T_stg
-55
C to +125 C
Storage as single product.
Operating temperature
T_use
-40
C to +85 C
Level of drive
DL
0.5
W (1.0 W Max.)
0.5
W Max.
Please contact us if you require
1.0
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
Please specify
Motional resistance (ESR)
R1
70 k
 Max.
70 k
 to
45 k
65 k
 Max.
70 k
 to
30 k
Motional capacitance
C1
3.4 fF Typ.
3.7 fF to
1.6 fF
2.0 fF Typ.
2.3 fF to
0.6 fF
Shunt capacitance
C0
1.0 pF Typ.
1.3 pF to
0.5 pF
1.3 pF Typ.
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)
kHz RANGE CRYSTAL UNIT
LOW PROFILE SMD
FC - 135 / FC - 255
Frequency range
:
32.768 kHz (32 kHz to 100 kHz)
External dimensions : 3.2 × 1.5 × 0.80 mm ···FC-135
:
4.9 × 1.8 × 0.80 mm ···FC-255
Overtone order
:
Fundamental
Applications
:
Small communications devices
Product Number (please contact us)
FC-135
: Q1xFC1350xxxx00
FC-255
: Q1xFC2550xxxx00
1.0
2.5
3.2±0.1
A501J
0.75
1.7
#1
#2
FC-135
#1
#2
Internal
Connection
FC-255
4.9±0.1
A501J
0.85
3.2
#1
#2
#1
#2
Internal
Connection
1.3
4.2
FC-255
FC-135
FC-255
FC-135
Do not design any circuit patterns in the shaded area.


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