電阻精度與常用阻值
轉貼自 21ic 作者 sirliu
國家標準規定了電阻的阻值按其精度分為兩大系列,分別為E-24系列和E-96系列,E-24系列精度為5%,E-96系列為1%,在這街窒盜兄?獾牡繾櫛?潛甑繾瑁?夏巡曬骸O旅媼諧雋順S玫?%和1%精度電阻的標稱值,供大家設計時參考。??精度為5%的碳膜電阻,以歐姆為單位的標稱值:
1.0????5.6????33???? 160???? 820??????3.9K???? 20K???? 100K???? 510K???? 2.7M
1.1????6.2????36???? 180???? 910??????4.3K???? 22K???? 110K???? 560K???? 3M
1.2????6.8????39???? 200???? 1K?????? 4.7K???? 24K???? 120K???? 620K???? 3.3M
1.3????7.5????43???? 220???? 1.1K???? 5.1K???? 27K???? 130K???? 680K???? 3.6M
1.5????8.2????47???? 240???? 1.2K???? 5.6K???? 30K???? 150K???? 750K???? 3.9M
1.6????9.1????51???? 270???? 1.3K???? 6.2K???? 33K???? 160K???? 820K???? 4.3M
1.8????10???? 56???? 300???? 1.5K???? 6.6K???? 36K???? 180K???? 910K???? 4.7M
2.0????11???? 62???? 330???? 1.6K???? 7.5K???? 39K???? 200K???? 1M?????? 5.1M
2.2????12???? 68???? 360???? 1.8K???? 8.2K???? 43K???? 220K???? 1.1M???? 5.6M
2.4????13???? 75???? 390???? 2K?????? 9.1K???? 47K???? 240K???? 1.2M???? 6.2M
2.7????15???? 82???? 430???? 2.2K???? 10K??????51K???? 270K???? 1.3M???? 6.8M
3.0????16???? 91???? 470???? 2.4K???? 11K??????56K???? 300K???? 1.5M???? 7.5M
3.3????18???? 100????510???? 2.7K???? 12K??????62K???? 330K???? 1.6M???? 8.2M
3.6????20???? 110????560???? 3K?????? 13K??????68K???? 360K???? 1.8M???? 9.1M
3.9????22???? 120????620???? 3.2K???? 15K??????75K???? 390K???? 2M?????? 10M
4.3????24???? 130????680???? 3.3K???? 16K??????82K???? 430K???? 2.2M???? 15M
4.7????27???? 150????750???? 3.6K???? 18K??????91K???? 470K???? 2.4M???? 22M
5.1????30??????
精度為1%的金屬膜電阻,以歐姆為單位的標稱值:
10??????33??????100????332????1K?????? 3.32K????10.5K????34K??????107K????357K
10.2????33.2????102????340????1.02K????3.4K???? 10.7K????34.8K????110K????360K
10.5????34??????105????348????1.05K????3.48K????11K??????35.7K????113K????365K
10.7????34.8????107????350????1.07K????3.57K????11.3K????36K??????115K????374K
11??????35.7????110????357????1.1K???? 3.6K???? 11.5K????36.5K????118K????383K
11.3????36??????113????360????1.13K????3.65K????11.8K????37.4K????120K????390K
11.5????36.5????115????365????1.15K????3.74K????12K??????38.3K????121K????392K
11.8????37.4????118????374????1.18K????3.83K????12.1K????39K??????124K????402K
12??????38.3????120????383????1.2K???? 3.9K???? 12.4K????39.2K????127K????412K
12.1????39??????121????390????1.21K????3.92K????12.7K????40.2K????130K????422K
12.4????39.2????124????392????1.24K????4.02K????13K??????41.2K????133K????430K
12.7????40.2????127????402????1.27K????4.12K????13.3K????42.2K????137K????432K
13??????41.2????130????412????1.3K???? 4.22K????13.7K????43K??????140K????442K
13.3????42.2????133????422????1.33K????4.32K????14K??????43.2K????143K????453K
13.7????43??????137????430????1.37K????4.42K????14.3K????44.2K????147K????464K
14??????43.2????140????432????1.4K???? 4.53K????14.7K????45.3K????150K????470K
14.3????44.2????143????442????1.43K????4.64K????15K??????46.4K????154K????475K
14.7????45.3????147????453????1.47K????4.7K???? 15.4K????47K??????158K????487K
15??????46.4????150????464????1.5K???? 4.75K????15.8K????47.5K????160K????499K
15.4????47??????154????470????1.54K????4.87K????16K??????48.7K????162K????511K
15.8????47.5????158????475????1.58K????4.99K????16.2K????49.9K????165K????523K
16??????48.7????160????487????1.6K???? 5.1K???? 16.5K????51K??????169K????536K
16.2????49.9????162????499????1.62K????5.11K????16.9K????51.1K????174K????549K
16.5????51??????165????510????1.65K????5.23K????17.4K????52.3K????178K????560K
16.9????51.1????169????511????1.69K????5.36K????17.8K????53.6K????180K????562K
17.4????52.3????174????523????1.74K????5.49K????18K??????54.9K????182K????576K
17.8????53.6????178????536????1.78K????5.6K???? 18.2K????56K??????187K????590K
18??????54.9????180????549????1.8K???? 5.62K????18.7K????56.2K????191K????604K
18.2????56??????182????560????1.82K????5.76K????19.1K????57.6K????196K????619K
18.7????56.2????187????562????1.87K????5.9K???? 19.6K????59K??????200K????620K
19.1????57.6????191????565????1.91K????6.04K????20K??????60.4K????205K????634K
19.6????59??????196????578????1.96K????6.19K????20.5K????61.9K????210K????649K
20??????60.4????200????590????2K?????? 6.2K???? 21K??????62K??????215K????665K
20.5????61.9????205????604????2.05K????6.34K????21.5K????63.4K????220K????680K
21??????62??????210????619????2.1K???? 6.49K????22K??????64.9K????221K????681K
21.5????63.4????215????620????2.15K????6.65K????22.1K????66.5K????226K????698K
22??????64.9????220????634????2.2K???? 6.8K???? 22.6K????68K??????232K????715K
22.1????66.5????221????649????2.21K????6.81K????23.2K????68.1K????237K????732K
22.6????68??????226????665????2.26K????6.98K????23.7K????69.8K????240K????750K
23.2????68.1????232????680????2.32K????7.15K????24K??????71.5K????243K????768K
23.7????69.8????237????681????2.37???? 7.32K????24.3K????73.2K????249K????787K
24??????71.5????240????698????2.4K???? 7.5K???? 24.9K????75K??????255K????806K
24.3????73.2????243????715????2.43K????7.68K????25.5K????76.8K????261K????820K
24.7????75??????249????732????2.49K????7.87K????26.1K????78.7K????267K????825K
24.9????75.5????255????750????2.55K????8.06K????26.7K????80.6K????270K????845K
25.5????76.8????261????768????2.61K????8.2K???? 27K??????82K??????274K????866K
26.1????78.7????267????787????2.67K????8.25K????27.4K????82.5K????280K????887K
26.7????80.6????270????806????2.7K???? 8.45K????28K??????84.5K????287K????909K
27??????82??????274????820????2.74K????8.66K????28.7K????86.6K????294K????910K
27.4????82.5????280????825????2.8K???? 8.8K???? 29.4K????88.7K????300K????931K
28??????84.5????287????845????2.87K????8.87K????30K??????90.9K????301K????953K
28.7????86.6????294????866????2.94K????9.09K????30.1K????91K??????309K????976K
29.4????88.7????300????887????3.0K???? 9.1K???? 30.9K????93.1K????316K????1.0M
30??????90.9????301????909????3.01K????9.31K????31.6K????95.3K????324K????1.5M
30.1????91??????309????910????3.09K????9.53K????32.4K????97.6K????330K????2.2M
30.9????93.1????316????931????3.16K????9.76K????33K??????100K???? 332K????
31.6????95.3????324????953????3.24K????10K??????33.2K????102K???? 340K????
32.4????97.6????330????976????3.3K???? 10.2K????33.6K????105K???? 348K??
電阻阻值一覽表 | ||
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