| 摘要 |
Lateral MOS controlled gate turn-off triacs with large OFF-Gate-width to emitter-width ratios. In one embodiment an ON channel is provided at one main electrode and an OFF channel is provided at the other. In another embodiment two channels in a series are provided at each main electrode. Current turn-off capacity is increased by serpentine or comb shaped channel regions or by trenches which provide channels along their walls.
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