| 序号 | 型号 | 描述 | 大小 | 厂家Logo | 下载 |
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| 1 | PC4SF21YVZ | VDRM : 800V, Reinforced insulation type Zero cross type DIP 6pin Phototriac Coupler for triggering | 307K |
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| 2 | PC4SF21YVZB | Phototriac Couplers/Photothyristor Couplers | 41K |
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| 3 | PC4SF21YVZC | Phototriac Couplers/Photothyristor Couplers | 41K |
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