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SF2079D-1 PDF预览

SF2079D-1

更新时间： 2024-02-16 13:09:26
品牌 Logo 应用领域
RFM LTE
页数 文件大小 规格书
5页 642K
描述
251.045 MHz SAW Filter

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SF2079D-1 技术参数

生命周期：ObsoleteReach Compliance Code：compliant
风险等级：5.84Is Samacsys：N
其他特性：TAPE AND REEL中心频率或截止频率 (fo/fc)：251.045 MHz
滤波器类型：SAW FILTER高度：1.1 mm
输入阻抗：150 OHM最大插入损耗：15 dB
JESD-609代码：e4长度：4 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：150 OHM Ω物理尺寸：L4.0XB4.0XH1.1 (mm)/L0.157XB0.157XH0.043 (inch)
端子面层：GOLD宽度：4 mm
Base Number Matches：1

SF2079D-1 数据手册

 浏览型号SF2079D-1的Datasheet PDF文件第2页浏览型号SF2079D-1的Datasheet PDF文件第3页浏览型号SF2079D-1的Datasheet PDF文件第4页浏览型号SF2079D-1的Datasheet PDF文件第5页 
Preliminary  
SF2079D-1  
• Low Insertion Loss  
• 3.8 X 3.8 X 1 mm Surface-Mount Case  
• Differential Input and Output  
• Complies with Directive 2002/95/EC (RoHS)  
251.045 MHz  
SAW Filter  
Pb  
Absolute Maximum Ratings  
Rating  
Value  
Units  
Maximum Incident Power in Passband  
+10  
dBm  
Maximum DC Voltage Between any Two Terminals  
Operating Temperature Range  
30  
VDC  
°C  
-40 to +85  
-60 to +95  
Storage Temperature Range  
°C  
Suitable for Lead-free Soldering - Maximum Soldering Profile  
260°C for 30 s  
SM3838-8  
Electrical Characteristics  
Characteristic  
Center Frequency  
Insertion Loss  
Sym  
Notes  
Min  
Typ  
251.045  
13.0  
Max  
Units  
MHz  
dB  
f
C
1
IL  
15.0  
1.75  
1.50  
1.50  
1.50  
1.75  
1.75  
Amplitude Ripple (p-p)  
fc - 6.2500 to fc - 4.3925 MHz  
0.90  
fc - 4.3925 to fc - 2.5350 MHz  
fc - 2.5350 to fc - 0.0250 MHz  
fc + 0.0250 to fc + 2.5350 MHz  
fc + 2.5350 to fc + 4.3925 MHz  
fc + 4.3925 to fc + 6.2500 MHz  
0.60  
0.60  
dB  
0.80  
1, 2  
0.80  
0.60  
1.5 dB Passband Width Centered at fc  
3.0 dB Passband Width Centered at fc  
13.5  
MHz  
14.2  
Low Side Attenuation < 234.545 MHz ( < fc - 16.5 MHz)  
Low Side Attenuation, 234.545 to 240.545 MHz (fc-10.5 MHz)  
High Side Attenuation, 260.045 to 267.545 MHz (fc+9.0 MHz)  
High Side Attenuation > 267.545 MHz ( > fc + 16.5 MHz)  
Temperature Coefficient of frequency  
32  
29  
18  
32  
dB  
-18  
150  
70  
ppm/K  
Delay Ripple (p-p)  
fc - 6.2500 to fc - 4.3925 MHz  
1, 2, 3  
84  
35  
fc - 4.3925 to fc - 2.5350 MHz  
fc - 2.5350 to fc - 0.0250 MHz  
fc + 0.0250 to fc + 2.5350 MHz  
fc + 2.5350 to fc + 4.3925 MHz  
fc + 4.3925 to fc + 6.2500 MHz  
22  
120  
120  
70  
ns  
58  
37  
52  
110  
Source/Load Impedance  
Case Style  
150  
ohms  
SM3838-8 3.8 x 3.8 mm Nominal Footprint  
827 YWWS  
6
Lid Symbolization (YY=year, WW=week, S=shift) See note 4  
CAUTION: Electrostatic Sensitive Device. Observe precautions for handling.  
Notes:  
and external impedance matching design. See Application Note No. 42  
for details.  
Notes:  
1.  
Unless noted otherwise, all specifications apply over the operating  
4.  
The design, manufacturing process, and specifications of this filter are  
subject to change.  
temperature range with filter soldered to the specified demonstration  
board with impedance matching to 50 Ω and measured with 50 Ω network  
analyzer.  
5.  
6.  
7.  
Tape and Reel Standard Per ANSI / EIA 481.  
US and international patents may apply.  
RFM, stylized RFM logo, and RF Monolithics, Inc. are registered  
trademarks of RF Monolithics, Inc.  
2.  
3.  
Unless noted otherwise, all frequency specifications are referenced to the  
nominal center frequency, fc.  
Rejection is measured as attenuation below the minimum IL point in the  
passband. Rejection in final user application is dependent on PCB layout  
www.RFM.com E-mail: info@rfm.com  
©2009 by RF Monolithics, Inc.  
Page 1 of 5  
SF2079D1 - 4/17/09  
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