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[电子元件] 请高手看下这个电阻是多大的

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发表于 2014-8-19 12:01:43 | 显示全部楼层 |阅读模式

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请高手看下图中的R51这个电阻是多大阻值的 电源.JPG
发表于 2014-8-19 12:12:28 | 显示全部楼层
是220欧的电阻
发表于 2014-8-19 12:13:44 | 显示全部楼层
本帖最后由 卞王淳 于 2014-8-19 12:16 编辑

30后面是什么字。
发表于 2014-8-19 12:14:29 | 显示全部楼层
看错了,R51是30K
发表于 2014-8-19 12:18:34 | 显示全部楼层
303   30k的
发表于 2014-8-19 12:49:15 | 显示全部楼层
怎么看似30B啊,可能是印错了
发表于 2014-8-19 13:14:13 | 显示全部楼层
30B看不懂,用表测量是多少??
发表于 2014-8-19 13:34:52 | 显示全部楼层
楼主那是精密电阻,20K
你可以看看我的一个帖子,精密贴片电阻阻值对照表
发表于 2014-8-19 13:38:25 | 显示全部楼层
半桶水师傅 发表于 2014-8-19 12:49
怎么看似30B啊,可能是印错了

丝印没错,精密的 20K

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发表于 2014-8-19 14:19:45 | 显示全部楼层
本帖最后由 lixmwb 于 2014-8-19 15:03 编辑

精密贴片电阻阻值对照表  
标准阻值表 E-96   0603F(+1%) Standard Resistance Table
标准阻值表1
E-96
阻值代码阻值代码阻值代码阻值代码阻值代码阻值代码
1001X10001A1.00K01B10.0K01C100K01D1M01E
10.202X10202A1.02K02B10.2K02C102K02D
10.503X10503A1.05K03B10.5K03C105K03D
10.704X10704A1.07K04B10.7K04C107K04D
1105X11005A1.10K05B11.0K05C110K05D
11.306X11306A1.13K06B11.3K06C113K06D
11.507X11507A1.15K07B11.5K07C115K07D
11.808X11808A1.18K08B11.8K08C118K08D
12.109X12109A1.21K09B12.1K09C121K09D
12.410X12410A1.24K10B12.4K10C124K10D
12.711X12711A1.27K11B12.7K11C127K11D
1312X13012A1.30K12B13.0K12C130K12D
13.313X13313A1.33K13B13.3K13C133K13D
13.714X13714A1.37K14B13.7K14C137K14D
1415X14015A1.40K15B14.0K15C140K15D
14.316X14316A1.43K16B14.3K16C143K16D
14.717X14717A1.47K17B14.7K17C147K17D
1518X15018A1.50K18B15.0K18C150K18D
15.419X15419A1.54K19B15.4K19C154K19D
15.820X15820A1.58K20B15.8K20C158K20D
16.221X16221A1.62K21B16.2K21C162K21D
16.522X16522A1.65K22B16.5K22C165K22D
16.923X16923A1.69K23B16.9K23C169K23D
17.424X17424A1.74K24B17.4K24C174K24D
17.825X17825A1.78K25B17.8K25C178K25D
18.226X18226A1.82K26B18.2K26C182K26D
18.727X18727A1.87K27B18.7K27C187K27D
19.128X19128A1.91K28B19.1K28C191K28D
19.629X19629A1.96K29B19.6K29C196K29D
2030X20030A2.00K30B20.0K30C200K30D
20.531X20531A2.05K31B20.5K31C205K31D
2132X21032A2.10K32B21.0K32C210K32D
21.533X21533A2.15K33B21.5K33C215K33D
22.134X22134A2.21K34B22.1K34C221K34D
22.635X22635A2.26K35B22.6K35C226K35D
23.236X23236A2.32K36B23.2K36C232K36D
23.737X23737A2.37K37B23.7K37C237K37D
24.338X24338A2.43K38B24.3K38C243K38D
24.939X24939A2.49K39B24.9K39C249K39D
25.540X25540A2.55K40B25.5K40C255K40D
26.141X26141A2.61K41B26.1K41C261K41D
26.742X26742A2.67K42B26.7K42C267K42D
27.443X27443A2.74K43B27.4K43C274K43D
2844X28044A2.80K44B28.0K44C280K44D
28.745X28745A2.87K45B28.7K45C287K45D
29.446X29446A2.94K46B29.4K46C294K46D
30.147X30147A3.01K47B30.1K47C301K47D
30.948X30948A3.09K48B30.9K48C309K48D

标准阻值表2
E-96
阻值代码阻值代码阻值代码阻值代码阻值代码
31.649X31649A3.16K49B31.6K49C316K49D
32.450X32450A3.24K50B32.4K50C324K50D
33.251X33251A3.32K51B33.2K51C332K51D
3452X34052A3.40K52B34.0K52C340K52D
34.853X34853A3.48K53B34.8K53C348K53D
35.754X35754A3.57K54B35.7K54C357K54D
36.555X36555A3.65K55B36.5K55C365K55D
37.456X37456A3.74K56B37.4K56C374K56D
38.357X38357A3.83K57B38.3K57C383K57D
39.258X39258A3.92K58B39.2K58C392K58D
40.259X40259A4.02K59B40.2K59C402K59D
41.260X41260A4.12K60B41.2K60C412K60D
42.261X42261A4.22K61B42.2K61C422K61D
43.262X43262A4.32K62B43.2K62C432K62D
44.263X44263A4.42K63B44.2K63C442K63D
45.364X45364A4.53K64B45.3K64C453K64D
46.465X46465A4.64K65B46.4K65C464K65D
47.566X47566A4.75K66B47.5K66C475K66D
48.767X48767A4.87K67B48.7K67C487K67D
49.968X49968A4.99K68B49.9K68C499K68D
51.169X51169A5.11K69B51.1K69C511K69D
51.370X52370A5.23K70B52.3K70C523K70D
53.671X53671A5.36K71B53.6K71C536K71D
54.972X54972A5.49K72B54.9K72C549K72D
56.273X56273A5.62K73B56.2K73C562K73D
57.674X57674A5.76K74B57.6K74C576K74D
5975X59075A5.90K75B59.0K75C590K75D
60.476X60476A6.04K76B60.4K76C604K76D
61.977X61977A6.19K77B61.9K77C619K77D
63.478X63478A6.34K78B63.4K78C634K78D
64.979X64979A6.49K79B64.9K79C649K79D
66.580X66580A6.65K80B66.5K80C665K80D
68.181X68181A6.81K81B68.1K81C681K81D
69.882X69882A6.98K82B69.8K82C698K82D
71.583X71583A7.15K83B71.5K83C715K83D
73.284X73284A7.32K84B73.2K84C732K84D
7585X75085A7.50K85B75.0K85C750K85D
76.886X76886A7.68K86B76.8K86C768K86D
78.787X78787A7.87K87B78.7K87C787K87D
80.688X80688A8.06K88B80.6K88C806K88D
82.589X82589A8.25K89B82.5K89C825K89D
84.590X84590A8.45K90B84.5K90C845K90D
86.691X86691A8.66K91B86.6K91C866K91D
88.792X88792A8.87K92B88.7K92C887K92D
90.993X90893A9.09K93B90.9K93C909K93D
93.194X93194A9.31K94B93.1K94C931K94D
95.395X95395A9.53K95B95.3K95C953K95D
97.696X97696A9.76K96B97.6K96C976K96D

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