Bourns has introduced a series of miniature resettable thermal cut-off (TCO) devices for dense, high capacity lithium-ion battery packs. The Model AC series offers five trip temperatures: 72, 77, 82, 85 or 90°C (all +/-5°C) – the latter of which “is capable of carrying up to 20A at 60°C, making it the highest current-carrying TCO ...

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