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SF2181D

更新时间： 2024-02-25 19:15:22
品牌 Logo 应用领域
村田 - MURATA LTE
页数 文件大小 规格书
11页 1447K
描述
1 FUNCTIONS, 140 MHz, SAW FILTER, ROHS COMPLIANT, CERAMIC, SM3838-8

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中文翻译

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SF2181D 技术参数

是否Rohs认证： 符合生命周期：Obsolete
Reach Compliance Code：compliant风险等级：5.82
其他特性：TAPE AND REEL中心频率或截止频率 (fo/fc)：140 MHz
滤波器类型：SAW FILTER高度：1.4 mm
输入阻抗：200 OHM最大插入损耗：9 dB
长度：3.8 mm安装类型：SURFACE MOUNT
功能数量：1最高工作温度：85 °C
最低工作温度：-40 °C输出阻抗：200 OHM Ω
物理尺寸：L3.8XB3.8XH1.4 (mm)/L0.15XB0.15XH0.055 (inch)宽度：3.8 mm
Base Number Matches：1

SF2181D 数据手册

 浏览型号SF2181D的Datasheet PDF文件第2页浏览型号SF2181D的Datasheet PDF文件第3页浏览型号SF2181D的Datasheet PDF文件第4页浏览型号SF2181D的Datasheet PDF文件第5页浏览型号SF2181D的Datasheet PDF文件第6页浏览型号SF2181D的Datasheet PDF文件第7页 
SF2181D  
• 22 MHz Filter Bandwidth  
• 3.8 x 3.8 x 1.4 mm Surface-mount Package  
• Complies with Directive 2002/95/EC (RoHS)  
140 MHz  
Pb  
SAW Filter  
Absolute Maximum Ratings  
Rating  
Value  
+10  
Units  
dBm  
VDC  
°C  
Maximum Incident Power in Passband  
Maximum DC Voltage between any Two Terminals  
Storage Temperature Range in Tape and Reel  
Suitable for Lead-free Soldering - Maximum Soldering Profile  
3
-40 to +85  
260°C for 30 s  
SM3838-8  
Electrical Characteristics  
Characteristic  
Sym  
Notes  
Min  
Typ  
140  
8
Max  
Units  
MHz  
dB  
Nominal Center Frequency  
F
1
1
1
1
1
1
C
Insertion Loss  
IL  
9
1
MAX  
Insertion Loss Variation over Temperature  
3 dB Bandwidth  
dB  
22  
27  
0.8  
0.6  
0.9  
MHz  
Passband Amplitude Ripple, Matching Network A, 129 to 151 MHz  
Passband Amplitude Ripple, Matching Network B, 129 to 151 MHz  
1.2  
1.0  
1.0  
dB  
dB  
dB  
P-P  
P-P  
P-P  
Passband Amplitude Ripple, Matching Network C or D, 130 to 150 MHz  
Absolute Attenuation (referenced to IL  
10 to 116 MHz  
)
MAX  
3
3
1
1
1
1
1
1
1
1
35  
35  
40  
40  
dB  
165 to 700 MHz  
dB  
ns  
Absolute Group Delay in Passband  
300  
40  
350  
80  
Passband Group Delay Ripple, Matching Network A or B, 129 to 151 MHz  
Input Impedance, Unbalanced Matching Network  
Input Impedance, Balanced Matching Network  
Input Return Loss through any Matching Network  
Output Impedance, Unbalanced Matching Network  
Output Impedance, Balanced Matching Network  
Output Return Loss through any Matching Network  
Operating Temperature Range  
ns  
P-P  
50  
ohm  
ohm  
dB  
200  
14  
6
50  
ohm  
ohm  
dB  
200  
14  
6
-40  
+85  
°C  
Case Style  
SM3838-8 3.8 x 3.8 mm Nominal Footprint  
RFM 872 YWWS  
Lid Symbolization (Y=year, WW=week, S=shift)  
CAUTION: Electrostatic Sensitive Device. Observe precautions for handling.  
Notes:  
1.  
Unless noted otherwise, all specifications apply over the operating temper-  
ature range with filter soldered to the specified demonstration board with  
impedance matching to 50 Ω and measured with 50 Ω network analyzer.  
Unless noted otherwise, all frequency specifications are referenced to the  
nominal center frequency, fc.  
Rejection in final user application is dependent on PCB layout and  
external impedance matching design. See Application Note No. 42 for  
details.  
"LRIP" or "L" after the part number indicates "low rate initial production"  
and "ENG" or "E" indicates "engineering prototypes."  
5.  
6.  
The design, manufacturing process, and specifications of this filter are  
subject to change.  
Either Port 1 or Port 2 may be used for either input or output in the design.  
However, impedances and impedance matching may vary between Port 1  
and Port 2, so that the filter must always be installed in one direction per  
the circuit design.  
US and international patents may apply.  
RFM, stylized RFM logo, and RF Monolithics, Inc. are registered  
trademarks of RF Monolithics, Inc.  
2.  
3.  
7.  
8.  
4.  
www.RFM.com E-mail: info@rfm.com  
©2009-2010 by RF Monolithics, Inc.  
Page 1 of 11  
SF2181D - 2/16/10  
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