| 序号 | 型号 | 描述 | 大小 | 厂家Logo | 下载 |
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| 1 | UC494A | Advanced Regulating Pulse Width Modulators | 485K |
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| 2 | UC494AC | Advanced Regulating Pulse Width Modulators | 485K |
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| 3 | UC494AJ883B | Advanced Regulating Pulse Width Modulators | 485K |
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| 4 | UC494AJ883B | Advanced Regulating Pulse Width Modulators | 485K |
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