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參數(shù)資料
| 型號(hào)： | MC-306-32.768KA-A3 |
| 廠商： | EPSON TOYOCOM CORP |
| 元件分類： | Quartz Crystal |
| 英文描述： | QUARTZ CRYSTAL RESONATOR, 0.032768 MHz |
| 封裝： | ROHS COMPLIANT, SMD, 4 PIN |
| 文件頁數(shù)： | 1/2頁 |
| 文件大?。?/td> | 235K |
| 代理商： | MC-306-32.768KA-A3 |
Actual size
http://www.epsontoyocom.co.jp
Crystal unit
12
Specifications (characteristics)
Item
Symbol
Specifications
Remarks
Nominal frequency range
f
32.768 kHz
20 kHz to 165 kHz
307.2 kHz(MC-405 / 406)
Please contact us regarding available frequencies
Storage temperature
T_stg
-55
°C to +125 °C
Stored as bare product after unpacking
Temperature
range
Operating temperature
T_use
-40
°C to +85 °C
Level of drive
DL
1.0
W Max.
Frequency tolerance (standard)
f_tol
±20 × 10-6, ±50 × 10-6
±50 × 10-6, ±100 × 10-6
+25
°C, DL=0.1 W
Turnover temperature
Ti
+25
°C ±5 °C
Parabolic coefficient
B
-0.04
× 10-6 / °C2 Max.
Load capacitance
CL
6 pF to
∞ (standard :12.5 pF)
Please specify
Motional resistance (ESR)
R1
50 k
Max.
55 k
to 6 k
As per below table
1.8 fF Typ.
MC-306
Motional capacitance
C1
2.0 fF Typ.
4.0 fF to 0.6 fF
MC-405 / 406
0.9 pF Typ.
MC-306
Shunt capacitance
C0
0.85 pF Typ.
2.0 pF to 0.6 pF
MC-405 / 406
Frequency aging
f_age
±3 × 10-6 / year Max.
±5 × 10-6 / year Max.
+25
°C, First year
Motional resistance (ESR)
Frequency
20 kHz
≤f< 31.2 kHz
31.2 kHz
≤f< 40 kHz
40 kHz
≤f< 90 kHz
90 kHz
≤f< 130 kHz
130 kHz
≤f≤165 kHz
307.2 kHz
Motional resistance
55 k
Max.
35 k
Max.
20 k
Max.
12 k
Max.
10 k
Max.
6 k
Max.
External dimensions
(Unit:mm)
.
Footprint (Recommended)
(Unit:mm)
MC-306
MC-405 / 406
MC-306
Metal may be exposed on the top or bottom of this product.
This will not affect any quality, reliability or electrical spec.
Do not connect #2 and #3 to external device.
Internal connection
#4
#1
#2
#3
1.9
(0.9)
5.5
0.5
2.
5
4M
ax
.
2.
3
8
8.0 Max.
#4
#1
#2
#3
3.8
M
ax
.
3.
2
32.768 k
E
571
Do not connect #2 and #3 of MC-406 to external device.
The first digit of No. means:
5×××× MC-405
6×××× MC-406
MC-405 / 406
#4
#1
#2
#3
#4
#1
#2
#3
Internal connection in MC-406
Internal connection in MC-405
0.2
M
in
.
3.
6
M
ax
.
3.
1
5
2.54
4.0
6M
ax
.
#1
#4
#3
#2
10.41 Max.
9.60
32.768 k
E 6571A
0.51
2.29
MC-306
MC-405
1.
52
0.
8
4.1
3.9
4.1
1.
52
4.1
3.9
4.1
4.
1
MC-406
1
.9
1.
9
1.3
4.2
1.3
kHz RANGE CRYSTAL UNIT
SMD
MC - 306 / 405 / 406
Frequency range
: 32.768 kHz (20 kHz to 165 kHz)
Thickness
: 2.54 mm Max.(MC-306)
3.60 mm Max.(MC-405 / 406)
Overtone order
: Fundamental /Overtone (307.2 kHz)
Applications
: Clock and Microcomputer
Lead(Pb)-free
: High melting temperature type solder
(Pb85 %) exempted by RoHS directive.
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