FC-135 Datasheet, PDF (1/2 Pages) Epson ToYoCom – kHz RANGE CRYSTAL UNIT LOW PROFILE SMD

Crystal unit
kHz RANGE CRYSTAL UNIT
LOW PROFILE SMD
FC - 135 / FC - 255
Frequency range :
External dimensions :
:
Overtone order
:
Applications
:
32.768 kHz (32 kHz to 100 kHz)
3.2 × 1.5 × 0.80 mm ···FC-135
4.9 × 1.8 × 0.80 mm ···FC-255
Fundamental
Small communications devices
Product Number (please contact us)
FC-135 : Q1xFC1350xxxx00
FC-255 : Q1xFC2550xxxx00
Actual size
FC-135
FC-255
Specifications (characteristics)
Item
Nominal frequency range
Symbol
f_nom
FC-135
32.768 kHz
Storage temperature
Operating temperature
T_stg
T_use
Specifications
FC-135
FC-255
32 kHz to
77.5 kHz
32.768 kHz
-55 C to +125 C
-40 C to +85 C
FC-255
32 kHz to
100 kHz
Level of drive
DL
Frequency tolerance
(standard)
f_tol
Turnover temperature
Ti
Parabolic coefficient
B
0.5 W (1.0 W Max.)
0.5 W Max.
20  10^-6
+25 C 5 C
-0.04  10^-6 / C² Max.
Load capacitance
CL
Motional resistance (ESR) R1
Motional capacitance
C1
Shunt capacitance
Frequency aging
C0
f_age
7 pF, 9 pF, 12.5 pF
7 pF, 12.5 pF
70 k Max.
3.4 fF Typ.
1.0 pF Typ.
70 k to
45 k
65 k Max.
3.7 fF to
1.6 fF
2.0 fF Typ.
1.3 pF to
0.5 pF
1.3 pF Typ.
3  10^-6 / year Max.
70 k to
30 k
2.3 fF to
0.6 fF
1.7 pF to
0.9 pF
External dimensions
.
Conditions / Remarks
Please contact us about available
frequencies.
Storage as single product.
Please contact us if you require
1.0W Max.
+25 C, DL=0.1 W
Please ask for tighter tolerance
Please specify
+25 C, First year
(Unit:mm)
FC-135
FC-255
A501J
3.2±0.1
A501J
4.9±0.1
1.7
Internal
Connection
#1
#2
#1
#2
0.75
3.2
Internal
Connection
#1
#2
0.85
#1
#2
Footprint (Recommended)
FC-135
1.0
FC-255
(Unit:mm)ç
1.3
2.5
4.2
Do not design any circuit patterns in the shaded area.