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SM40SR-FREQ2

更新时间： 2024-11-14 17:09:31
品牌 Logo 应用领域
PLETRONICS 驱动晶体谐振器
页数 文件大小 规格书
1页 59K
描述
Series - Fundamental Quartz Crystal, 5MHz Min, 7.999MHz Max

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SM40SR-FREQ2 技术参数

是否无铅： 含铅是否Rohs认证： 不符合
生命周期：ObsoleteReach Compliance Code：unknown
HTS代码：8541.60.00.80风险等级：5.67
其他特性：AT CUT CRYSTAL老化：5 PPM/YEAR
晶体/谐振器类型：SERIES - FUNDAMENTAL驱动电平：50 µW
频率稳定性：0.005%频率容差：30 ppm
安装特点：SURFACE MOUNT最大工作频率：7.999 MHz
最小工作频率：5 MHz最高工作温度：70 °C
最低工作温度：物理尺寸：L13.1XB5XH4 (mm)/L0.516XB0.197XH0.157 (inch)
串联电阻：120 Ω表面贴装：YES
Base Number Matches：1

SM40SR-FREQ2 数据手册

  
Pl tronics, Inc.  
.
19013 36th Ave. W, Suite H Lynnwood, WA 98036 USA  
Manufacturer of High Quality Frequency Control Products  
SM55, SM45, SM40 Crystal  
HC-49/US Low Profile Crystal Mounted on a Surface Mount Platform  
Available in 3 heights, SM55: 5.5mm, SM45: 4.5mm, SM40: 4.0mm  
Solder Pad Compatible with our SM39S and SMD Crystals from Epson, Meiden & Citizen  
Available in Standard 4 pad or Optional 2 pad Pinout Style  
–
3.200 MHz 70.000 MHz  
Standard Specifications  
°
± 30 PPM is standard, tighter tolerances available  
Calibration Frequency Tolerance at 25 C  
Operating Temperature Range (OTR)  
Frequency Stability (FS) over OTR  
Drive Level  
Aging at 25°C  
Shunt Capacitance  
0 to +70°C is standard, but can be extended to -40 to +85°C  
± 50 PPM is standard, tighter tolerances available  
50 μW is standard, customer may specify  
± 5 PPM per year is standard, customer may specify ± 1 PPM  
7 pF maximum  
Pullability  
May be specified by customer in terms of frequency shift required over a certain range of load capacitance  
(e.g. +100 PPM from CL=12 to CL=18 pF) or as motional capacitance ( fF )  
Part Numbering Guide  
ESR Values  
Portions of the part number that appear after the frequency may not  
be marked on part (C of C provided)  
Oscillation  
Mode  
Frequency Range  
(MHz)  
Maximum  
ESR (Ohms)  
SM45 B E - xx - 70.0M - XXX (Internal Code or blank)  
–
300  
120  
70  
3.200  
5.000  
8.000  
4.999  
7.999  
11.999  
30.000  
Fundamental  
AT Cut  
–
–
–
Model (Height/Pinout)  
Frequency in MHz  
Load Capacitance  
SM55: 2 pad, SMP55: 4 pad (5.5mm)  
SM45: 2 pad, SMP45: 4 pad (4.5mm)  
SM40: 2 pad, SMP40: 4 pad (4.0mm)  
50  
12.000  
Parallel Resonance in pF (> 9 pF)  
3rd Overtone  
AT Cut  
–
100  
25.000  
70.000  
SR = Series Resonance  
Cal Tol / Freq Stability  
Blank = 30/50  
Temperature Range  
Consult factory for lower ESR  
Consult factory for available frequencies and specs.  
Not all options available for all frequencies. A special part number may be assigned.  
Solder Pads  
not to scale  
B = 30/30  
Blank: 0 to +70°C  
E: - 40 to +85°C  
Mechanical: inches (mm)  
Due to part size and factory abilities, part marking may vary from lot to lot and may contain our part number or an internal code.  
Packaging  
24mm tape  
12mm pitch  
PART STYLE MAY BE EITHER OF THE FOLLOWING:  
Standard Pinout (SM)  
.492 (12.5) MAX  
.516 (13.1) MAX  
.094 (2.4)  
4
3
.063 (1.6)  
Marking  
.195 (4.95) MAX  
.197 (5.0)  
MAX  
.256 (6.5)  
.087 (2.2)  
.142 (3.6)  
1
2
SM55: .217 (5.5) MAX  
SM45: .177 (4.5) MAX  
SM40: .157 (4.0) MAX  
Optional 2 Pad Pinout (SMP)  
.094 (2.4)  
.370 (9.4)  
.055 (1.4)  
.354 (9.0  
± 0.1)  
.063 (1.6)  
CASE GND  
CASE GND  
4
1
.079 (2.0)  
.256 (6.5)  
.087 (2.2)  
.142 (3.6)  
.138 (3.5)  
.079 (2.0)  
Aug 2005  
Pl tronics, Inc. (425) 776 -1880, Fax: (425) 776-2760, ple-sales@pletronics.com, www.pletronics.com  
37  
1

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