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278LF-4.000MHZ-BBF10010 PDF预览

278LF-4.000MHZ-BBF10010

更新时间: 2024-10-15 08:56:23
品牌 Logo 应用领域
FOX 驱动晶体谐振器
页数 文件大小 规格书
2页 161K
描述
Parallel - Fundamental Quartz Crystal, 4MHz Nom, ROHS COMPLIANT, SMD, 2 PIN

278LF-4.000MHZ-BBF10010 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Active包装说明:ROHS COMPLIANT, SMD, 2 PIN
Reach Compliance Code:compliantHTS代码:8541.60.00.30
风险等级:5.63其他特性:TAPE AND REEL
老化:5 PPM/YEAR晶体/谐振器类型:PARALLEL - FUNDAMENTAL
驱动电平:0.5 µW频率稳定性:0.005%
频率容差:50 ppmJESD-609代码:e1
负载电容:10 pF安装特点:SURFACE MOUNT
标称工作频率:4 MHz最高工作温度:70 °C
最低工作温度:-20 °C物理尺寸:L11.7XB5.0XH4.5 (mm)/L0.461XB0.197XH0.177 (inch)
串联电阻:150 Ω表面贴装:YES
端子面层:Tin/Silver/Copper (Sn/Ag/Cu)Base Number Matches:1

278LF-4.000MHZ-BBF10010 数据手册

 浏览型号278LF-4.000MHZ-BBF10010的Datasheet PDF文件第2页 
Resistance Weld SMD Crystal  
RoHS Compliant / Pb Free  
Model: HC49SDLF  
Rev. 12/4/2006  
Page 1 of 2  
http://www.foxonline.com/need_a_sample.htm  
FEATURES  
• Stock Standard (see page 2)  
• Fundamental to 50 MHz  
OPTIONS  
Tolerances to 10 PPM  
• Stabilities to 5 PPM  
Tape and Reel (1,000 pcs. STD) Temperatures to -40ºC ~ +105ºC  
• 3.2mm Height Max (HC49SSDLF)  
10.3 M ax  
4.5 M ax  
• PART NUMBERLearn More - Internet Required  
3.8 M ax  
Frequency Range (MHz)  
Part Number  
Model Number  
HC49SDLF  
278LF-Frequency-xxxxx  
3.200 ~ 70.000  
• STANDARD SPECIFICATIONS1  
PARAMETERS  
Frequency Range  
Frequency Tolerance @ 25ºC  
Frequency Stability, ref @ 25ºC  
Over Operating Temp Range  
Temperature Range  
Operating  
Storage  
Shunt Capacitance (Co)  
MAX (unless otherwise noted)  
3.200 ~ 70.000 MHz  
±50 PPM 1,2  
13.9 M ax  
11.7 M ax  
5.0 M ax  
±50 PPM 1  
0.75±0.35  
-20ºC ~ +70ºC 1  
-40ºC ~ +85ºC  
7pF  
(TOPR)  
(TSTG)  
Recommended  
HC49SD Solder Pad Layout  
Load Capacitance  
(CL)  
10 pF ~ Series  
(Customer Specified)  
0.5 mW  
15.0±0.1  
Drive Level  
Aging per year  
2.0±0.1  
±5 PPM  
Maximum Soldering Temp / Time  
Moisture Sensitivity Level (MSL)  
260ºC / 10 Seconds  
1
4.0±0.1  
1
Other tolerances, stabilities & operating temperature ranges available. Consult Fox Customer  
Service for specific requirements.  
2
Crystal has a±30ppm tolerance specification for all standard part numbers. These part numbers  
All dimensions are in millimeters.  
are listed on page 2 of this datasheet.  
All specifications subject to change without notice.  
TERMINATION FINISH: Sn/3.0Ag/0.5Cu  
Frequency Range  
Operating Mode  
Max ESR Ω  
(MHz)  
Fundamental  
Fundamental  
Fundamental  
Fundamental  
Fundamental  
Fundamental  
Fundamental  
Fundamental  
Fundamental  
3rd OT  
3.200 ~ 3.500  
300  
200  
150  
120  
100  
80  
60  
40  
30  
100  
3.500+ ~ 4.000  
4.000+ ~ 5.000  
5.000+ ~ 6.000  
6.000+ ~ 7.000  
7.000+ ~ 9.000  
9.000+ ~ 13.000  
13.000+ ~ 20.000  
20.000+ ~ 50.000  
27.000 ~ 70.000  
FOXElectronics 5570 Enterprise Parkway Fort Myers, Florida 33905 USA +1.239.693.0099 FAX +1.239.693.1554 http://www.foxonline.com  
EMEA Tel/Fax: +44 .1767.312632 | Asia Hong Kong Tel: +852.2854.4285 Fax +852.2854.4282 | Japan Tel: +81.3.3374.2079 Fax: +81.3.3374.5221  
37  
© 2009 FOX ELECTRONICS | ISO9001:2000 Certified  

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