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Title: Investigation of thermal characteristics of embedded resistors
Other Titles: 埋入式电阻的热特性研究
Authors: Chan, CY 
Yung, KC 
Keywords: Electronic technology
Embedded resistor
Thermal characteristics
Design rules
Issue Date: 2005
Publisher: 中国电子学会元件分会
Source: 电子元件与材料 (Electronic components & materials), Dec. 2005, v. 24, no. 12, p. 61-63 How to cite?
Journal: 电子元件与材料 (Electronic components & materials) 
Abstract: 通过对电阻的热功率、表面积的分析,研究了PCB板中的埋入式电阻的热特性,给出了PCB板中埋入式电阻的温升的解析表达式。计算了埋入式电阻在PCB板中的不同位置的温升情况,详细讨论了多个埋入式电阻的温升与单个电阻温升的关系,得到了计算具有多个埋入式电阻的PCB板的温升的方法。在设计PCB板时,大功率埋入式电阻应安排在板的中部,埋入式电阻的相互距离要分散并远离PCB板表面。
Thermal characteristics of embedded resistors in PCB(Printed Circuit Board)were studied.From the investigations of powers and surface areas of embedded resistors,the parse function of temperature rise in PCB was formulated.The differences in temperature rises against various locations in a PCB with embedded resistors also were calculated.From the analysis on relationships between single resistor and multi resistors,the calculation method of temperature rise in PCB with multi embedded resistors are presented.It was observed that an embedded resistor with large power should be placed at the center of a board and each heat source should maintain a distance among each other.
ISSN: 1001-2028
DOI: 10.14106/j.cnki.1001-2028.2005.12.019
Rights: © 2005 中国学术期刊电子杂志出版社。本内容的使用仅限于教育、科研之目的。
© 2005 China Academic Journal Electronic Publishing House. It is to be used strictly for educational and research purposes.
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