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參數(shù)資料
| 型號： | FC-255FREQA-A0 |
| 廠商： | EPSON TOYOCOM CORP |
| 元件分類： | Quartz Crystal |
| 英文描述： | QUARTZ CRYSTAL RESONATOR, 0.032 MHz - 0.1 MHz |
| 封裝： | ROHS COMPLIANT, SMD, 2 PIN |
| 文件頁數(shù)： | 1/1頁 |
| 文件大?。?/td> | 343K |
| 代理商： | FC-255FREQA-A0 |
Actual size
http://www.epsontoyocom.co.jp
Crystal unit
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
1.
5
±
0
.1
0.
8
±
0
.1
A501J
FC-1 35
#1
#2
#1
#2
I nt ernal c onn ec tion
(TO P VIEW )
4.1±0.1
0. 9
2.3
1.
5
±
0
.1
0.
8
±
0
.1
A501J
#2
F C-1 45
4. 9 ±0.1
0 .85
3.2
0.
8
±
0
.1
A501J
#2
1.
8
±
0
.1
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
1.
8
FC-135
FC-145
FC-255
2.5
Do not design any patterns on shaded area.
1.
8
3.2
1.1
2.
2
4.2
1.3
Product Number (please contact us)
FC-135
: Q13FC1350xxxx00
FC-145
: Q13FC1450xxxx00
FC-255
: Q13FC2550xxxx00
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