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TE device offers heat protection for lithium batteries

Posted: 18 Mar 2015 ?? ?Print Version ?Bookmark and Share

Keywords:Lithium batteries? thermal protection?

TE Connectivity delivered the MHP-TAM series, which offers a thermal cut-off solution to protect mobile devices powered by lithium polymer and prismatic cells. The devices come with a 5.8mm x 3.85mm x 1.15mm package and a 9VDC rating as well as offer two levels of current-carrying capacity and multiple cut-off temperature ratings.

Utilising MHP (metal hybrid PPTC) technology, the MHP-TAM device combines a bimetal protector in parallel with a polymeric positive temperature coefficient (PPTC) device. In battery applications, the MHP-TAM device helps provide resettable over temperature protection to shut down the battery when a fault is detected. The device rests when the fault is removed.

The devices in the MHP-TAM series feature different open temperatures, ranging from 72C to 90C. They also offer two levels of hold currents: low-current (approximately 6A at 25C) and high-current (approximately 15A at 25C).

MHP-TAM from TE Connectivity

"To help meet the thermal protection requirements of lithium polymer battery applications, our new MHP-TAM devices have been tested to withstand the harshest humidity test conditions in the battery industry. High reliability is important since OEMs are tightening their component reliability requirements for lithium polymer battery packs used in consumer applications," said Amy Chu, product manager of TE Circuit Protection.

The MHP-TAM series complies with international quality and safety standards such as the UL, cUL, and CB, and is already ready for orders. Price is available upon request.

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