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CX-3HC-SM2FREQ5(C/I)

更新时间： 2024-09-25 09:30:43
品牌 Logo 应用领域
EUROQUARTZ /
页数 文件大小 规格书
2页 119K
描述
Quartz Crystal, QUARTZ CRYSTAL RESONATOR, 0.25 MHz - 0.6 MHz, HERMETIC, MINIATURE, CERAMIC, SMD, 2 PIN

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CX-3HC-SM2FREQ5(C/I) 数据手册

 浏览型号CX-3HC-SM2FREQ5(C/I)的Datasheet PDF文件第2页 
CX MINIATURE CRYSTALS  
EUROQUARTZ  
Telephone:  
Fax:  
+44(0)1460 230000  
+44(0)1460 230001  
sales@euroquartz.co.uk  
www.euroquartz.co.uk  
Page  
CX-3H-SM  
18kHz ttoo 660000kkHHzz  
MMIINNIIAATTUURREE SSMMDD  
CRYSTAL FOR  
1 of 2  
Email:  
Web:  
SERIES OOSSCCIILLLLAATTOORRSS  
Miniature tuning fork design  
High shock resistance  
Designed for low power applications  
Compatible with hybrid or PCB mounting  
Low ageing  
General Description  
Full military environmental testing available  
Ideal for battery operated applications  
The CX-3H-SM quartz crystals are leadless devices designed for  
surface-mounting on printed circuit boards or hybrid circuits.  
These miniature crystals are intended for use with series  
oscillators. Hermetically sealed in a rugged, ceramic package, the  
crystals are produced utilizing a photo-lithographic process giving  
excellent repeatability and consistent high quality.  
Specification  
Frequency Range:  
Functional Mode:  
Calibration Tolerance*:  
Motional Resistance (R ):  
18kHz to 600kHz  
Tuning Fork (Flexure)  
A, B, or C (see below)  
See Figure 1  
D
(TOP)  
A
Max: 18-25kHz, 2 x typ.  
25-600kHz, 2.5 x typ.  
See Figure 2  
D
D
Motional Capacitance (C ):  
Quality Factor (Q):  
See Figure 3  
min. is 0.25 x typ.  
1.8pF max.  
B
C
E
Outline  
Shunt Capacitance (C ):  
Drive Level:  
18-25kHz 0.5µW max.  
25-600kHz 1.0µW max.  
See Figure 4  
CX-3H-SM Package Dimensions  
Turning Point (T )**:  
Temperature Coefficient:  
Ageing, first year:  
Shock***:  
Vibration, survival:  
Operating Temperature:  
Typical  
(mm)  
Maximum  
(mm)  
-0.035ppm/°C  
±5ppm max.  
Dimension  
1,500g peak, 0.3ms, ½ sine  
10g rms 20-2,000Hz random  
-10°~+70°C (commercial)  
-40°~+85°C (industrial)  
-55°~+125°C (military)  
-55°C~+125°C  
A
B
6.73  
2.62  
-
7.11  
2.90  
C
D
E
see below  
1.52  
Storage Temperature:  
Max. Process Temperature:  
1.27  
1.32  
260°C for 20 seconds  
1.57  
Specifications are typical at 25°C unless otherwise indicated.  
Dimension  
“C”  
Glass Lid  
(mm max.)  
Ceramic Lid  
(mm max.)  
*
**  
***  
Closer frequency calibration available  
Other turning point available  
A higher shock and vibration version is available.  
SM1  
SM2  
SM3  
1.47  
1.52  
1.60  
1.75  
1.80  
1.88  
CX-3V Crystal Calibration Tolerance at 25°C  
Frequency Range (kHz)  
Calibration  
18~74.9  
250~600  
75~169.9 170~249.9  
Equivalent Circuit  
A
B
±0.003% ±0.005%  
±0.01%  
±0.02%  
±0.2%  
±0.02%  
±0.05%  
±0.5%  
±0.01%  
±0.1%  
±0.01%  
±0.1%  
L1  
R1  
C
C1  
C0  
1
2
Terminations  
R1 Motional Resistance L1  
Motional Inductance  
C0  
Shunt Capacitance  
Termination  
Designation  
C1  
Motional Capacitance  
SM1  
SM2  
SM3  
Gold Plated  
Nickel, Silver Plated  
Nickel, Solder Plated and Solder Dipped  
12

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