37. Thermal Fuse Ratings & Selection

Question.3

A hardware designer plan to use Littelfuse MHP-TAC6-12-72 for battery overheat protection.
(DigiKey Part Number: F11689-ND) for battery overheat protection.
The battery pack can normally reach 68°C in real operation.
Refer to the DigiKey product page / datasheet- click here
Is this a safe selection?

Yes — 68°C is below the 72°C rated functioning temperature.
Risky — nuisance opening can occur
Not safe — Can’t be able to protect it from overheat
Safe — because only current rating matters for this device

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