Crystal unit
Epson Toyocom
Product Number (please contact us)
MC-146
: Q14MC146xxxxx00
MC-156
: Q14MC156xxxxx00
kHz RANGE CRYSTAL UNIT
LOW PROFILE SMD
MC - 146
/
MC - 156
•Frequency
range
•External
dimension
•Overtone
order
•
Applications
:
:
:
:
:
32.768 kHz (32 kHz to 100 kHz)
7.0 × 1.5 × 1.4 t (mm) ···MC-146
7.1 × 3.3 × 1.5 t (mm) ···MC-156
Fundamental
Small communications devices
Actual size
MC-146
MC-156
Specifications (characteristics)
Item
Nominal frequency range
Temperature
range
Level of drive
Frequency tolerance (standard)
Turnover temperature
Parabolic coefficient
Load capacitance
Motional resistance (ESR)
Motional capacitance
Shunt capacitance
Frequency aging
Storage temperature
Operating temperature
Symbol
f_nom
T_stg
T_use
DL
f_tol
Ti
B
CL
R
1
C
1
C
0
f_age
32.768 kHz
Specifications
32 kHz to 100 kHz
Remarks
Please contact us for inquiries regarding available
frequencies
Store as bare product after unpacking
-55
°C
to +125
°C
-40
°C
to +85
°C
1.0
μW
Max.
±
20
×
10
-6
,
±
50
×
10
-6
±
50
×
10
-6
,
±
100
×
10
-6
Operating Drive level
+25
°C,
DL=0.1
μW
0.5
μW
Max.
+25
°C ±
5
°C
-0.04
×
10
-6
/
°C
2
Max.
7 pF, 9 pF, 12.5 pF
65 kΩ Max.
1.9 fF Typ.
0.8 pF Typ.
±3 ×
10
-6
/ year Max.
65 kΩ to 25 kΩ
2.5 fF to 0.6 fF
1.2 pF to 0.5 pF
±5 ×
10
-6
/ year Max.
+25
°C,
First year
Please specify
.
External dimensions
MC-146
#4
1.5 Max.
(Unit:mm)
MC-156
#3
Internal connection
(TOP VIEW)
#4
#3
Internal connection
(TOP VIEW)
0.3
7.1 Max.
#3
3.3 Max.
#4
0.55
#4
2.50
#3
EA9 9
#1
0.1
6.7
7.0 Max.
#2
0.1
0.3
EA9 6
#1
#2
#1
#2
#1
1.4 Max.
#2
1.5 Max.
(0.75)
1.30
0.4
0.2
#1
#4
0.25
0.4
0.15
0.4
5.08
1.6
(0.75)
0.2
#2
#3
0.2
Do not connect #2 and #3 to external device.
Metal may be exposed on the top or bottom of this product. This will not affect any quality, reliability or electrical spec.
Footprint (Recommended)
(Unit:mm)
MC-146
MC-156
0.6
0.3
0.6
1.2
5.1
1.2
1.2
3.88
1.2
http://www.epsontoyocom.co.jp
1.5
1.0
1.5
EPSONTOYOCOM [ EPSON TOYOCOM ]
