| 序号 | 型号 | 描述 | 大小 | 厂家Logo | 下载 |
|---|
| 1 | BT139B-500 | Triacs | 52K |
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| 2 | BT139B-500E | Triacs sensitive gate | 50K |
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| 3 | BT139B-500F | Triacs | 52K |
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| 4 | BT139B-500G | Triacs | 52K |
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| 5 | BT139B-500H | Triacs high noise immunity | 51K |
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