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电阻器
,無編輯摘要
=='''主要技术参数'''==
[[ File:T0151ec9db527764231水泥电阻器RQ型号.jpg|缩略图|居中|250px|[httphttps://p9image.qhimgso.com/t0151ec9db527764231.jpgview?sizeq=%E7%94%B5%E9%98%BB%E5%99%A8%E7%9A%84%E5%9E%8B%E5%8F%B7&src=srp&correct=%E7%94%B5%E9%98%BB%E5%99%A8%E7%9A%84%E5%9E%8B%E5%8F%B7&ancestor=list&cmsid=6e573db8aa345ec4b9f16be4dbc1fa17&cmras=0&cn=1066x1600 0&gn=0&kn=0&fsn=60&adstar=0&clw=254#id=2bf4ed0e930e0b15161585923132b4cc&currsn=0&ps=59&pc=59 原圖鏈接][http://shspro.qihooso.com/pcsearchthrow/api/midpage/90f16875c7a284027throw?cotals=s112c46189d&lm_extend=ctype:3&ctype=3&q=%E7%94%B5%E9%98%BB%E5%99%A8%E7%9A%84%E5%9E%8B%E5%8F%B7&rurl=http%3A%2F%2Fcn.made-in-china.com%2Fshowroom%2Fshxec10%2Fproduct-detailobZxAwJYYucT%2F%25E6%25B0%25B4%25E6%25B3%25A5%25E7%2594%25B5%25E9%2598%25BB%25E5%2599%25A8RQ%25E5%259E%258B%25E5%258F%25B7.html&img=http%3A%2F%2Fimage.cn.made-in-china.com%2F2f0j01MCAtRdaggIcU%2F%25E6%25B0%25B4%25E6%25B3%25A5%25E7%2594%25B5%25E9%2598%25BB%25E5%2599%25A8RQ%25E5%259E%258B%25E5%258F%25B7.jpg&key=t01e77835990c0de2c9.jpg&s=1 1582697460281 来自 光发娱乐搜狗]]]
1、电阻器的额定[[功率]]
=='''作用'''==
[[ File:T0151ec9db52776423161IZDEtO5fL. SX466 .jpg|缩略图|居中|250px|[httphttps://p9image.qhimgso.com/t0151ec9db527764231.jpgview?sizeq=%E7%94%B5%E9%98%BB%E5%99%A8%E7%9A%84%E7%A7%8D%E7%B1%BB&src=srp&correct=%E7%94%B5%E9%98%BB%E5%99%A8%E7%9A%84%E7%A7%8D%E7%B1%BB&ancestor=list&cmsid=ed58ffd2dbe61ea7acfdbe1e036d8a17&cmras=6&cn=0&gn=0&kn=0&fsn=60&adstar=0&clw=254#id=7f990a00929934a087d1ae97b8867742&currsn=0&ps=60&pc=1066x1600 60 原圖鏈接][httphttps://shwww.qihooamazon.comcn/pcdp/90f16875c7a284027?cota=1 B00OGMBEEO 来自 光发娱乐亚马逊网]]]
1、电阻器在电路中用作分压器、分流器和负载[[电阻]]。
===文字符号法===
[[ File:T0151ec9db52776423120100926172132-2052323031.jpg|缩略图|居中|250px|[httphttps://p9image.qhimgso.com/t0151ec9db527764231.jpgview?sizeq=%E8%89%B2%E7%8E%AF%E7%94%B5%E9%98%BB&src=srp&correct=%E8%89%B2%E7%8E%AF%E7%94%B5%E9%98%BB&ancestor=list&cmsid=e8dff810f25e03343dbdc6b2f4fab583&cmras=6&cn=0&gn=1066x1600 0&kn=0&fsn=80&adstar=0&clw=254#id=ffbe7989d0737f00eaa29f885e23cf42&currsn=0&ps=77&pc=77 原圖鏈接][httphttps://shwenwen.qihoososo.com/pcz/90f16875c7a284027?cota=1 q223753299.htm 来自 光发娱乐搜搜]]]
传统的电阻器文字符号标注法，是将电阻器的阻值、精度、功率、材料等用文字符号在电阻器表示出来。例如，阻值单位用Ω、kΩ、MΩ表示，精度用等级J(+50%)、等级K(+10%)、等级M(±20%)表示，电阻器的材料可通过外表的颜色予以区别等。
=='''电阻器的选用'''==
[[ File:T0151ec9db527764231Ec5a89d42ed3f7e603fb0e3dd08104ac.jpg|缩略图|居中|250px|[httphttps://p9image.qhimgso.com/t0151ec9db527764231.jpgview?sizeq=%E8%B4%B4%E7%89%87%E7%94%B5%E9%98%BB&src=srp&correct=%E8%B4%B4%E7%89%87%E7%94%B5%E9%98%BB&ancestor=list&cmsid=ef15764b0c1211671afd601f5019a9e2&cmras=6&cn=0&gn=1066x1600 0&kn=0&fsn=74&adstar=0&clw=254#id=637da0377588c4c757b5211f7a2f0a2d&currsn=0&ps=70&pc=70 原圖鏈接][httphttps://shwww.qihooxianjichina.com/pcnews/90f16875c7a284027?cota=1 details_57815.html 来自 光发娱乐贤集网]]]
选用电阻器时应考虑以下几点：