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STF28-461 PDF预览

STF28-461

更新时间: 2024-01-01 05:04:48
品牌 Logo 应用领域
CRANE 输入元件LTE
页数 文件大小 规格书
4页 60K
描述
EMI INPUT FILTER 28 VOLT INPUT

STF28-461 技术参数

生命周期:TransferredReach Compliance Code:unknown
风险等级:5.57Base Number Matches:1

STF28-461 数据手册

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STF28-461  
EMI FILTER  
0.8 AMP  
EMI INPUT  
28 VOLT  
F
ILTER  
NPUT  
I
FEATURES  
• Fully qualified to Class H or K  
• Passive components for  
maximum tolerance in space  
environments  
MODEL  
STF28-461  
0.8 amp  
• –55° to +125°C operation  
• 28 volt input  
• Up to 0.8 amps throughput current  
• 50 dB minimum attenuation  
at 500 kHz  
Size (max.): 0.975 x 0.800 x 0.270 (24.77 x 20.32 x 6.86 mm)  
See Section B8, cases A1, for dimensions.  
• Compliant to MIL-STD-461C, CE03  
• Compatible with MIL-STD-704E  
DC power bus  
Weight:  
10.3 grams typical, 11.5 grams maximum  
Screening: Standard, Class H, or Class K (MIL-PRF-38534)  
See Section C2 for screening options, see  
Section A5 for ordering information.  
DESCRIPTION  
The STF28-461™ EMI filter module has been designed as a  
companion for Interpoint SMSA flyback power converters. Multiple  
SMSA power converters can be operated from a single filter  
provided the total power line current does not exceed the filter  
maximum rating. The STF filter will reduce the SMSA’s power line  
reflected ripple current to within the limit of MIL-STD-461C, Method  
CE03, as shown in the example of Figures 4 and 5.  
OPERATION  
The SMSA power converter has an internal capacitor across its  
input power terminals. When the SMSA and STF filters are used  
together, this capacitor becomes part of the filter and forms its final  
LC output section.  
The STF filter provides both differential and common mode rejection  
bringing DC/DC converters into compliance with MIL-STD-461C  
CE03. It is designed to be used with the SMSA, SMHF, and MCH  
Series of converters. The STF filter can be used with multiple  
converters up to the rated current of the filter.  
The STF filter is fabricated using thick film hybrid technology and is  
sealed in a metal package for space, military, aerospace and other  
applications requiring EMI suppression.  
SCREENING AND REPORTS  
For more information, contact your Interpoint representative  
listed in Section A5.  
The STF28-461 filter offers three screening options – Standard,  
Class H, or Class K. See Section C2, Quality Assurance, pages C2-  
7
through C2-9, for descriptions. Detailed reports on product  
performance are also available and are listed on page C2-9.  
All technical information is believed to be accurate, but no responsibility is  
assumed for errors or omissions. Interpoint reserves the right to make changes in  
products or specifications without notice. STF28-461 is a trademark of Interpoint.  
Copyright © 1999 Interpoint. All rights reserved.  
B1-16  

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