Crystal unit
Epson Toyocom
Product Number (please contact us)
MC-306
: Q13MC3061xxxx00
MC-405
: Q14MC4051xxxx00
MC-406
: Q14MC4061xxxx00
kHz RANGE CRYSTAL UNIT
SMD
MC - 306
MC - 405
/
MC - 406
•Frequency
range
•Thickness
•Overtone
order
•Applications
:
:
:
:
32.768 kHz (20 kHz to 165 kHz)
2.54 mm Max.(MC-306)
3.60 mm Max.(MC-405
/
406)
Fundamental /Overtone (307.2 kHz)
Clock and Microcomputer
Actual size
MC-306
MC-405
/
406
Specifications (characteristics)
Item
Nominal frequency range
Temperature Storage temperature
range
Operating temperature
Level of drive
Frequency tolerance (standard)
Turnover temperature
Parabolic coefficient
Load capacitance
Motional resistance (ESR)
Motional capacitance
Shunt capacitance
Frequency aging
Symbol
f_nom
T_stg
T_use
DL
f_tol
Ti
B
CL
R
1
C
1
C
0
f_age
Specifications
20 kHz to 165 kHz
32.768 kHz
307.2 kHz(MC-405
/
406)
-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
+25
°C ±5 °C
-0.04
×
10
-6
/ °C
2
Max.
6 pF to
∞
(standard :12.5 pF)
50 kΩ Max.
55 kΩ to 6 kΩ
1.8 fF Typ.
4.0 fF to 0.6 fF
2.0 fF Typ.
0.9 pF Typ.
2.0 pF to 0.6 pF
0.85 pF Typ.
-6
±3 ×
10 / year Max.
±5 ×
10
-6
/ year Max.
Remarks
Please contact us regarding available frequencies
Store as bare product after unpacking
+25
°C,
DL=0.1
µW
Please specify
As per below table
MC-306
MC-405
/
406
MC-306
MC-405
/
406
+25
°C,
First year
Motional resistance (ESR)
Frequency
20 kHz≤f_nom< 31.2 kHz 31.2 kHz≤f_nom< 40 kHz 40 kHz≤f_nom< 90 kHz 90 kHz≤f_nom< 130 kHz 130 kHz≤f_nom≤165 kHz
Motional resistance
55 kΩ Max.
35 kΩ Max.
20 kΩ Max.
12 kΩ Max.
10 kΩ Max.
307.2 kHz
6 kΩ Max.
.
External dimensions
MC-306
8.0 Max.
Internal connection
(TOP VIEW )
#3
#4
4.06 Max.
#4
#3
(Unit:mm)
MC-405
/
406
Internal connection in MC-405
(TOP VIEW)
#4
3.8 Max.
#4
#1
9.60
#1
2.54 Max.
#2
10.41 Max.
#3
#2
3 2.76 8 k
E
57 1
#1
#2
32
32.768 k
E
6571A
#3
#1
#2
Internal connection in MC-406
(TOP VIEW)
#4
#1
#3
#2
2.38
0.5
0.2 Mi n.
3.6 Max.
3.15
5.5
(0.9)
Do not connect #2 and #3 to external device.
Metal may be expos ed on the top or bottom of this product.
This will not affec t any quality, reliability or electrical spec.
1.9
(0.9)
2.54
2.54
0.51
2.29
0.51
Do not c onnect #2 and #3 of MC-406 to external device.
The first digit of No. means:
5××××
6××××
MC-405
MC-406
Footprint (Recommended)
(Unit:mm)
MC-306
MC-405
MC-406
1.52
4.1
4.1
3.9
4.1
1.9
1.3
1.3
4.2
1.3
1.9
4.1
3.9
4.1
http://www.epsontoyocom.co.jp
1.52
0.8
EPSONTOYOCOM [ EPSON TOYOCOM ]
