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445A21CMXXXXX PDF预览

445A21CMXXXXX

更新时间： 2024-09-14 12:21:55
品牌 Logo 应用领域
西迪斯 - CTS 晶体石英晶体
页数 文件大小 规格书
2页 108K
描述
Surface Mount Quartz Crystal

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445A21CMXXXXX 数据手册

 浏览型号445A21CMXXXXX的Datasheet PDF文件第2页 
Model 445  
Surface Mount Quartz Crystal  
FEATURES  
• Standard 5.0mm x 3.2mm Glass Seal Package  
• Fundamental Crystal Design  
• Frequency Range 10 – 50 MHz  
• Frequency Tolerance, ±20 ppm Standard [other tolerances available]  
• Frequency Stability, ±30 ppm Standard [other stabilities available]  
• Operating Temperature to -40°C to +85°C  
• Tape & Reel Packaging Standard, EIA-481  
• RoHS Compliant in Accordance with EU Directive 2005/95/EC  
- Lead-Free Termination Finish  
- Exemption 5 for Pb in glass material used for cover attach  
APPLICATIONS  
Model 445 is a low cost device used in a wide range of commercial applications including  
notebooks, computer peripherals, audio visual, Bluetooth and USB interfaces, PDAs, and automotive electronics.  
ORDERING INFORMATION  
445  
M
OPERATING TEMPERATURE RANGE  
FREQUENCY IN MHz  
W = 0°C to +50°C  
A = -10°C to +60°C  
M - indicates MHz and decimal point. 3  
C = -20°C to +70°C (standard)  
I = -40°C to +85°C (standard)  
LOAD CAPACITANCE  
A = 10 pF  
B = 13 pF  
C = 16 pF  
D = 18 pF  
E = 20 pF  
F = 24 pF  
G = 30 pF  
H = 32 pF  
J = 9 pF  
FREQUENCY TOLERANCE @ 25°C  
K = 8 pF  
L = 12 pF  
S = Series  
2 = ± 20 ppm (standard)  
3 = ± 30 ppm  
STABILITY OVER TEMPERATURE  
Example Part Numbers:  
1 = ± 10 ppm 1  
445C23D14M31818  
445I23E14M31818  
3 = ± 30 ppm (std)  
5 = ± 50 ppm  
X = ± 15 ppm 2  
2 = ± 20 ppm  
1] Only available with temperature range codes "W" and "A".  
2] Only available with temperature range codes "W", "A" and "C".  
3] Frequency is recorded with two leading digits before the ‘M’ and 5 significant digits after the ‘M’ (including zeros).  
Not all performance combinations and frequencies may be available.  
Contact your local CTS Representative or CTS Customer Service for availability.  
PACKAGING INFORMATION  
Device quantity is 1,000 pieces minimum per 180mm reel.  
17.5  
2.0  
DIMENSIONS IN MILLIMETERS  
Ø13.5  
4.0  
8.0  
Ø1.50  
1.75  
1.95  
120°  
Ø180  
Ø60  
12.0  
5.40  
Ø21.4  
3.5  
DIRECTION OF FEED  
Document No. 008-0360-0  
Page 1- 2  
Rev. B  
www.ctscorp.com  
12

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