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251920B

更新时间: 2022-04-20 09:27:43
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描述
140.0 MHz SAW Filter

251920B 数据手册

 浏览型号251920B的Datasheet PDF文件第2页 
140.0 MHz SAW Filter  
Part Number 251920B  
1. Features  
Typical 1dB bandwidth of 19.79 MHz  
High attenuation  
Single Ended Operation  
Dual Inꢀline Package (DIP)  
2. Electrical Specifications  
Source and Load Impedance = 50ꢁ  
Operating Temperature : +25℃  
Minimum  
Typical  
140.0  
25.5  
19.79  
20.57  
20.75  
0.7  
Maximum  
Center Frequency (fo)  
Insertion Loss  
MHz  
dB  
27.0  
19.85  
20.65  
2dB Bandwidth  
MHz  
MHz  
MHz  
dB  
19.75  
25dB Bandwidth  
40dB Bandwidth  
Amplitude Ripple (fo ± 9.65 MHz)  
Group Delay Variation (fo ± 9.65 MHz)  
Absolute Delay  
1.0  
150  
nsec  
usec  
dB  
60  
2.92  
50  
Ultimate Rejection  
45  
Temperature Coefficient of Frequency  
ppm/℃  
ꢀ84  
D3512 Package Dimension  
Matching Schematic  
12.8±0.5  
5.5max 6.0max  
7.6±0.2  
39nH  
39nH  
1
5
Input  
Output  
50  
Ω
50  
Ω
22pF  
22pF  
Pin Configuration  
Dimensions shown are nominal in millimeters  
Input  
Output  
1
5
Ground  
Others  
2,4  
Ground  
Base : Fe(SPCC), Au plating over Ni plated  
Cap : Cu & Cr Alloy, Ni Plated  
Termination : Kovar, Au Plated  
I T F Co., Ltd.  
102ꢀ901, Bucheon Technopark 364, SamjeongꢀDong,  
OjeongꢀGu, BucheonꢀCity,  
Tel: 82-32-621-1213  
Fax: 82-32-621-1218  
http://www.itf.co.kr  
sales@itf.co.kr  
2010. 09.14  
Rev 1.0  
GyounggiꢀDo, Korea 421ꢀ809  

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