| 序号 | 型号 | 描述 | 大小 | 厂家Logo | 下载 |
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| 1 | 2N2221AUB | NPN SILICON SWITCHING TRANSISTOR | 60K |
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| 2 | 2N2221AUB | RADIATION HARDENED | 147K |
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| 3 | 2N2221AUB | NPN SILICON SWITCHING TRANSISTOR | 146K |
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| 4 | 2N2221AUBC | RADIATION HARDENED | 147K |
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| 5 | 2N2221AUBC | NPN SILICON SWITCHING TRANSISTOR | 146K |
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