现行 SJ 3141-1988
KPCE型彩电用频道选择开关详细规范 KPCE型彩电用频道选择开关详细规范 Detail specification for frequency channel selector switches for use in colour television broadcasting receivers,Type KPCE
发布日期：1988-04-08
实施日期：1988-10-01
分类信息
发布单位或类别： 中国 行业标准-电子
CCS分类： L22电子元器件与信息技术 - 电子元件 - 开关、                                                                          
ICS分类：
标准简介

本规范适用于KPCE型彩色电视广播接收机用频道选择开关。该类开关为互锁多单元按钮式开关，每个基本单元为双刀单掷结构，每两个相邻基本单元间的中心距尺寸为12.5mm；供彩色电视广播接收机等电子设备作频道选择用。本规范优先推荐基本单元数为8一种规格，a. 额定电压为DC45 Vb. 额定电流为0.3 A

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最后更新时间 2025-08-28