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MC-306FREQ2A-L3 PDF预览

MC-306FREQ2A-L3

更新时间： 2024-11-14 09:26:19
品牌 Logo 应用领域
精工 - SEIKO /
页数 文件大小 规格书
2页 416K
描述
QUARTZ CRYSTAL RESONATOR, 0.0312 MHz - 0.04 MHz, J LEADED, SMD, 4 PIN

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MC-306FREQ2A-L3 数据手册

 浏览型号MC-306FREQ2A-L3的Datasheet PDF文件第2页 
Crystal unit  
kHz RANGE CRYSTAL UNIT  
SMD  
MC-306  
MC-405  
/
MC-406  
32.768 kHz (20 kHz to 165 kHz)  
2.54 mm Max.(MC-306)  
•Frequency range  
•Thickness  
:
:
Actual size  
MC-306  
3.60 mm Max.(MC-405 406)  
Fundamental /Overtone (307.2 kHz)  
Clock and Microcomputer  
/
MC-405 / 406  
•Overtone order  
•Applications  
:
:
Specifications (characteristics)  
Item  
Symbol  
Specifications  
20 kHz to 165 kHz  
307.2 kHz(MC-405 406)  
Remarks  
Nominal frequency range  
f
32.768 kHz  
Please contact us regarding available frequencies  
Store as bare product after unpacking  
/
Temperature Storage temperature  
T_stg  
T_use  
DL  
f_tol  
Ti  
-55 °C to +125 °C  
-40 °C to +85 °C  
1.0 µW Max.  
range  
Level of drive  
Operating temperature  
Frequency tolerance (standard)  
Turnover temperature  
Parabolic coefficient  
±20 × 10-6, ±50 × 10-6  
±50 × 10-6, ±100 × 10-6  
+25 °C, DL=0.1 µW  
+25 °C ±5 °C  
B
-0.04 × 10-6 / °C2 Max.  
Load capacitance  
Motional resistance (ESR)  
CL  
6 pF to ∞ (standard :12.5 pF)  
Please specify  
As per below table  
MC-306  
R
1
50 kΩ Max.  
55 kΩ to 6 kΩ  
1.8 fF Typ.  
2.0 fF Typ.  
Motional capacitance  
C
1
4.0 fF to 0.6 fF  
MC-405  
MC-306  
MC-405  
/
406  
0.9 pF Typ.  
Shunt capacitance  
Frequency aging  
C
0
2.0 pF to 0.6 pF  
±5 × 10-6 / year Max.  
0.85 pF Typ.  
/
406  
f_age  
±3 × 10-6 / year Max.  
+25 °C, First year  
Motional resistance (ESR)  
Frequency  
Motional resistance  
307.2 kHz  
6 kΩ Max.  
20 kHz≤f< 31.2 kHz  
55 kΩ Max.  
31.2 kHz≤f< 40 kHz  
35 kΩ Max.  
40 kHz≤f< 90 kHz  
20 kΩ Max.  
90 kHz≤f< 130 kHz  
12 kΩ Max.  
130 kHz≤f≤165 kHz  
10 kΩ Max.  
External dimensions  
(Unit:mm)  
.
Internal connection in MC-405  
MC-405 / 406  
MC-306  
8.0 Max.  
#4  
#1  
#3  
#2  
#3  
#2  
#4  
#3  
#2  
Internal connection  
#4  
32.768 k  
6571A  
32.768 k  
E
#3  
#4  
E
Internal connection in MC-406  
571  
#1  
#3  
#2  
#4  
#1  
9.60  
10.41 Max.  
#1  
#1  
#2  
0.5  
0.51  
0.51  
1.9  
5.5  
(0.9)  
(0.9)  
2.54  
2.54  
2.29  
Do not connect #2 and #3 to external device.  
Do not connect #2 and #3 of MC-406 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.  
The first digit of No. means:  
5×××× MC-405  
6×××× MC-406  
Footprint (Recommended)  
(Unit:mm)  
MC-306  
MC-405  
MC-406  
4.1  
3.9  
4.1  
4.1  
3.9  
4.1  
1.3  
4.2  
1.3  
http://www.epsontoyocom.co.jp  
7
12

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