设计电路之前，最好到淘宝搜下好不好买到。
所谓测试供货是否有优势的简单方法。
0805贴片，1%
| 1 | 10 | 100 | 1K | 10K | 100K | 1M | 10M |
| 1.1 | 11 | 110 | 1.1K | 11K | 110K | 1.1M | |
| 1.2 | 12 | 120 | 1.2K | 12K | 120K | 1.2M | |
| 1.3 | 13 | 130 | 1.3K | 13K | 130K | 1.3M | |
| 1.5 | 15 | 150 | 1.5K | 15K | 150K | 1.5M | |
| 1.6 | 16 | 160 | 1.6K | 16K | 160K | 1.6M | |
| 1.8 | 18 | 180 | 1.8K | 18K | 180K | 1.8M | |
| 2 | 20 | 200 | 2K | 20K | 200K | 2M | |
| 2.2 | 22 | 220 | 2.2K | 22K | 220K | 2.2M | |
| 2.4 | 24 | 240 | 2.4K | 24K | 240K | 2.4M | |
| 2.7 | 27 | 270 | 2.7K | 27K | 270K | 2.7M | |
| 3 | 30 | 300 | 3K | 30K | 300K | 3M | |
| 3.3 | 33 | 330 | 3.3K | 33K | 330K | 3.3M | |
| 3.6 | 36 | 360 | 3.6K | 36K | 360K | 3.6M | |
| 3.9 | 39 | 390 | 3.9K | 39K | 390K | 3.9M | |
| 4.3 | 43 | 430 | 4.3K | 43K | 430K | 4.3M | |
| 4.7 | 47 | 470 | 4.7K | 47K | 470K | 4.7M | |
| 5.1 | 51 | 510 | 5.1K | 51K | 510K | 5.1M | |
| 5.6 | 56 | 560 | 5.6K | 56K | 560K | 5.6M | |
| 6.2 | 62 | 620 | 6.2K | 62K | 620K | 6.2M | |
| 6.8 | 68 | 680 | 6.8K | 68K | 680K | 6.8M | |
| 7.5 | 75 | 750 | 7.5K | 75K | 750K | 7.5M | |
| 8.2 | 82 | 820 | 8.2K | 82K | 820K | 8.2M | |
| 9.1 | 91 | 910 | 9.1K | 91K | 910K | 9.1M |
0603 5% 贴片电阻 阻值表，
| 0R | 10R | 100R | 1K | 10K | 100K | 1M |
| 1R | 15R | 110R | 1K2 | 12K | 120K | 1M5 |
| 2R2 | 18R | 120R | 1K5 | 15K | 150K | 2M |
| 2R7 | 20R | 150R | 2K | 18K | 180K | 2M2 |
| 4R7 | 22R | 160R | 2K2 | 20K | 200K | 2M4 |
| 5R1 | 24R | 180R | 2K4 | 22K | 220K | 2M7 |
| 5R6 | 27R | 200R | 2K7 | 24K | 240K | 3M3 |
| 6R2 | 30R | 240R | 3K | 27K | 270K | 4M7 |
| 6R8 | 33R | 270R | 3K3 | 30K | 300K | |
| 7R5 | 36R | 300R | 3K6 | 36K | 330K | |
| 8R2 | 39R | 330R | 3K9 | 39K | 360K | |
| 43R | 360R | 4K3 | 43K | 390K | ||
| 47R | 390R | 4K7 | 47K | 430K | ||
| 51R | 430R | 5K1 | 51K | 470K | ||
| 56R | 470R | 5K6 | 56K | 510K | ||
| 62R | 510R | 6K2 | 62K | 560K | ||
| 68R | 560R | 6K8 | 68K | 620K | ||
| 75R | 620R | 7K5 | 75K | 680K | ||
| 82R | 680R | 8K2 | 82K | 750K | ||
| 750R | 9K1 | 91K | 820K | |||
| 820R | 910K |
0603贴片电阻 1%
| 阻值表(点击阻值进入链接) | |||||||
| 0 | |||||||
| 1 | 10 | 100 | 1K | 10K | 100K | 1M | 10M |
| 1.1 | 11 | 110 | 1.1K | 11K | 110K | 1.1M | |
| 1.2 | 12 | 120 | 1.2K | 12K | 120K | 1.2M | |
| 1.3 | 13 | 130 | 1.3K | 13K | 130K | 1.3M | |
| 1.5 | 15 | 150 | 1.5K | 15K | 150K | 1.5M | |
| 1.6 | 16 | 160 | 1.6K | 16K | 160K | 1.6M | |
| 1.8 | 18 | 180 | 1.8K | 18K | 180K | 1.8M | |
| 2 | 20 | 200 | 2K | 20K | 200K | 2M | |
| 2.2 | 22 | 220 | 2.2K | 22K | 220K | 2.2M | |
| 2.4 | 24 | 240 | 2.4K | 24K | 240K | 2.4M | |
| 2.7 | 27 | 270 | 2.7K | 27K | 270K | 2.7M | |
| 3 | 30 | 300 | 3K | 30K | 300K | 3M | |
| 3.3 | 33 | 330 | 3.3K | 33K | 330K | 3.3M | |
| 3.6 | 36 | 360 | 3.6K | 36K | 360K | 3.6M | |
| 3.9 | 39 | 390 | 3.9K | 39K | 390K | 3.9M | |
| 4.3 | 43 | 430 | 4.3K | 43K | 430K | 4.3M | |
| 4.7 | 47 | 470 | 4.7K | 47K | 470K | 4.7M | |
| 5.1 | 51 | 510 | 5.1K | 51K | 510K | 5.1M | |
| 5.6 | 56 | 560 | 5.6K | 56K | 560K | 5.6M | |
| 6.2 | 62 | 620 | 6.2K | 62K | 620K | 6.2M | |
| 6.8 | 68 | 680 | 6.8K | 68K | 680K | 6.8M | |
| 7.5 | 75 | 750 | 7.5K | 75K | 750K | 7.5M | |
| 8.2 | 82 | 820 | 8.2K | 82K | 820K | 8.2M | |
| 9.1 | 91 | 910 | 9.1K | 91K | 910K | 9.1M | |