GB／T 8446.3-2022 电力半导体器件用散热器第3部分：绝缘件和紧固件

ICS 29.080.99, 21.060.99 CCS K 46 中华人民共和国国家标准 GB/T 8446.3—2022 代替 GB/T 8446.3—2004 电力半导体器件用散热器 第3部分：绝缘件和紧固件 Heat sinks for power semiconductor devices— Part 3: Insulators and fasteners 2022-03-09 发布 2022-10-01 实施 国家市场监督管理总局 国家标准化管理委员会 发布 GB/T 8446.3—2022 目 次 前言 ························································································································································ I 引言 ························································································································································ II 1 范围 ··················································································································································· 1 2 规范性引用文件 ··································································································································· 1 3 术语和定义 ··········································································································································· 1 4 绝缘件 ··················································································································································· 1 4.1 型号和系列 ······································································································································· 1 4.2 尺寸 ··················································································································································· 2 4.3 其他技术要求 ··································································································································· 5 5 紧固件 ··················································································································································· 6 5.1 型号和系列 ······································································································································· 6 5.2 尺寸 ··················································································································································· 7 5.3 其他技术要求 ··································································································································· 15 6 检验规则 ··············································································································································· 16 6.1 逐批检验 ··········································································································································· 16 6.2 周期检验 ··········································································································································· 16 7 包装、运输和贮存 ··································································································································· 18 7.1 成套包装、运输和贮存要求 ··············································································································· 18 7.2 单件包装、运输和贮存要求 ··············································································································· 18 附录 A（规范性） 抽样表 ························································································································· 19 以下是图片中文字的识别结果，已作简单排版： — **GB/T 8446.3—2022** **前 言** 本文件按照 GB/T 1.1—2020《标准化工作导则 第1部分：标准化文件的结构和起草规则》的规定起草。 GB/T 8446《电力半导体器件用散热器》与下列标准共同构成电力半导体器件用散热器系列标准： ——JB/T 5781 电力半导体器件用型材散热器技术条件； ——JB/T 8175 电力半导体器件用型材散热器外形尺寸； ——JB/T 8757 电力半导体器件用散热器热管； ——JB/T 9684 电力半导体器件用散热器选用导则。 本文件是 GB/T 8446《电力半导体器件用散热器》的第3部分。GB/T 8446已经发布了以下部分： ——第1部分：铸造类散热器； ——第2部分：热阻和流阻测量方法； ——第3部分：绝缘件和紧固件。 本文件代替 GB/T 8446.3—2004《电力半导体器件用散热器 第3部分：绝缘件和紧固件》，与 GB/T 8446.3—2004 相比，除结构调整和编辑性改动外，主要技术变化如下： a) 更改了规范性引用文件（见第2章，2004年版的第2章）； b) 增加了术语和定义（见第3章）； c) 更改了绝缘件和紧固件的性能要求（见4.2、4.3和4.4，2004年版的3.2、3.3和3.4）； d) 增加了绝缘件和紧固件的绝缘电阻和电气强度要求（见4.3、5.2和5.3）； e) 更改了紧固件的外观要求（见5.1.1，2004年版的4.1.1）； f) 更改了检验规则（见第6章，2004年版的第5章）； g) 更改了附录A（见附录A，2004年版的附录A）。 请注意本文件的某些内容可能涉及专利。本文件的发布机构不承担识别专利的责任。 本文件由中国电器工业协会提出。 本文件由全国电力电子系统和设备标准化技术委员会（SAC/TC 60）归口。 本文件起草单位：西安西电电力系统有限公司、江苏新锐电力设备有限公司、西安派瑞功率半导体变流技术股份有限公司、株洲中车时代电气股份有限公司、广州高澜节能技术股份有限公司、全球能源互联网研究院有限公司、中车株洲电力机车研究所有限公司、嘉善华瑞赛晶电气设备科技有限公司、西安电力电子技术研究所、江苏智晶科技股份有限公司。 本文件主要起草人：宋春、朱英、曾宏、颜红旗、蔚红旗、陶龙、周建辉、王耀强、徐宏、王文平、李磊、李明、郭强、杨志刚、姜明、王伊民。 本文件及其所代替文件的历次版本发布情况为： ——1987年首次发布为 GB/T 8446.3—1987，2004年第一次修订； ——本次为第二次修订。 — 1