Crystal unit
Epson Toyocom
Product Number (please contact us)
MC-306
: Q13MC3061xxxx00
MC-405
: Q1xMC4051xxxx00
MC-406
: Q1xMC4061xxxx00
kHz RANGE CRYSTAL UNIT
SMD
MC - 306
MC - 405
/
MC - 406
xFrequency
range
xThickness
xOvertone
order
xApplications
:
:
:
:
32.768 kHz (20 kHz to 165 kHz)
8.0 × 3.8 × 2.54 t (mm) ···MC-306
10.41 × 4.06 × 3.6 t (mm) ···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
qC
to +125
qC
-40
qC
to +85
qC
1.0
PW
Max.
r20 u
10
-6
,
r50 u
10
-6
r50 u
10
-6
,
r100 u
10
-6
+25
qC r5 qC
-0.04
u
10
-6
/ °C
2
Max.
6 pF to
f
(standard :12.5 pF)
50 k: Max.
55 k: to 6 k:
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
r3 u
10 / year Max.
r5 u
10
-6
/ year Max.
Remarks
Please contact us regarding available frequencies
Store as bare product after unpacking
+25
qC,
DL=0.1
PW
Please specify
As per below table
MC-306
MC-405
/
406
MC-306
MC-405
/
406
+25
qC,
First year
Motional resistance (ESR)
Frequency
20 kHzdf_nom< 31.2 kHz 31.2 kHzdf_nom< 40 kHz 40 kHzdf_nom< 90 kHz 90 kHzdf_nom< 130 kHz 130 kHzdf_nomd165 kHz
Motional resistance
55 k: Max.
35 k: Max.
20 k: Max.
12 k: Max.
10 k: Max.
307.2 kHz
6 k: Max.
.
External dimensions
MC-306
8.0 Max.
#4
#3
4.06 Max.
Internal connection
(TOP VIEW)
#3
#4
(Unit:mm)
MC-405
/
406
Internal connection in MC-405
(TOP VIEW)
#4
3.8 Max.
#4
#1
#3
#2
32.768 k
571
E
#1
#2
32.768 k
E
6571A
9.60
10.41 Max.
#3
#1
#2
Internal connection in MC-406
(TOP VIEW)
#3
#4
#1
#2
3.2
#1
2.54 Max.
#2
2.38
0.5
5.5
(0.9)
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.
1.9
(0.9)
2.54
2.54
0.2 Min.
3.6 Max.
3.15
0.51
2.29
0.51
Do not connect #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