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ECS-204.8-20-4 PDF预览

ECS-204.8-20-4

更新时间： 2024-11-23 22:58:31
品牌 Logo 应用领域
其他 - ETC /
页数 文件大小 规格书
1页 214K
描述
CRYSTAL 20.4800MHZ 20PF T/H

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ECS-204.8-20-4 数据手册

  
HC-49US QUARTZ CRYSTAL  
This product represents our selection  
of low profile resistance weld type  
quartz crystals.  
FEATURES  
•
•
•
Cost effective  
Excellent aging  
Wide frequency range  
• Low profile  
OPTIONS:  
– extended temperature range  
• Excellent reliability  
• “AT strip” blank technology  
– tighter tolerances  
– mylar spacer  
– 3rd in line lead base  
– radial tape and reel (1,000 pcs)  
PART NUMBERING GUIDE “EXAMPLE “  
FREQUENCY (16.0000 MHz)  
LOAD CAPACITANCE*  
PACKAGE TYPE**  
ECS  
–
160  
–
20  
–
4
* Load capacitance (xx=xx pF, S= series resonance), ** Package Type examples (4= 3.5mm max. height, 4L= 2.5mm max. height)  
For extended temp range of -40 to +85˚C ad -DN suffix for example ECS-160-20-4-DN  
Note: See Product Selection Guide for additional options.  
OPERATING CONDITIONS/ELECTRICAL CHARACTERISTICS  
PARAMETERS  
CONDITIONS  
MINIMUM  
3.57  
MAXIMUM  
70.000  
30  
UNITS  
MHz  
PPM  
PPM  
PPM  
˚C  
˚C  
˚C  
pF  
pF  
FREQUENCY RANGE  
FREQUENCY TOLERANCE  
f
o
@ +25˚C  
Standard -10 ~ +70˚C  
“DN” Option -40 ~ +85˚C  
Standard  
50  
100  
70  
+85  
+105  
7.0  
Series  
0.5  
FREQUENCY STABILITY, ref @ 25˚C  
OPERATING TEMPERATURE  
-10  
-40  
-40  
DN option  
STORAGE TEMPERATURE  
SHUNT CAPACITANCE  
LOAD CAPACITANCE  
DRIVE LEVEL  
C0  
CL (Customer Specified)  
3.57 ~ 70.000MHz  
@ +25˚C  
10.0  
mW  
PPM  
AGING (FIRST YEAR)  
5.0  
EQUIVALENT SERIES RESISTANCE / MODE OF OSCILLATION  
FREQUENCY RANGE (MHz)  
3.570 ~ 3.999  
MODE  
MAX ESR Ω  
FREQUENCY RANGE (MHz)  
9.000 ~ 12.999  
13.000 ~ 19.999  
20.000 ~ 30.000  
27.000 ~ 70.000  
MODE  
MAX ESR Ω  
Fundamental  
Fundamental  
Fundamental  
Fundamental  
Fundamental  
200  
150  
120  
100  
80  
Fundamental  
Fundamental  
Fundamental  
3rd O/T  
60  
40  
30  
4.000 ~ 4.999  
5.000 ~ 5.999  
6.000 ~ 6.999  
7.000 ~ 8.999  
100  
PACKAGE DIMENSIONS (mm)  
11.35 Max.  
11.35 Max.  
3.80 Max.  
f/f0  
10.5 Max.  
10.5 Max.  
PPM  
+ 30  
- 10  
H
25  
60  
- 30  
TEMP.(˚C)  
Height “H” (max.)  
4.88  
-4  
3.5 mm  
2.5 mm  
-4L  
0.43  
Figure 3) Frequency vs Temperature Curve  
0.43  
4.88  
10.5 Max.  
11.35 Max.  
Grounded to Holder  
Figure 1) HC-49US - Top and Side views  
Figure 2) HC-49US - 3rd In Line Lead Base – Side & Bottom View  
ECS, INC. INTERNATIONAL 1105 S. RIDGEVIEW, OLATHE, KS 66062 • 913-782-7787 • 800-237-1041 • FAX 913-782-6991 • WWW.ECSXTAL.COM  
6
CRYSTALS  
CRYSTALS  
1

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