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Overtemperature Li-ion Polymer Battery Cell Protection for Gaming PCs & Other Portables

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Overtemperature Li-ion Polymer Battery Cell Protection for Gaming PCs & Other Portables

Littelfuse has announced an over-temperature protection device for protection for high-capacity lithium ion polymer and Li-ion prismatic cells used in: Gaming PCs, Notebook PCs, Ultra-books, Tablets, and other battery-powered portable devices. Compared to similar protection devices on the market, the new device can handle higher currents in a smaller, thinner form factor of 5.8mm x 3.80mm x 1.05mm, claims the company.

This over-temperature protection device offers a 9VDC rating and a higher current rating than similar products on the market.

MHP technology connects a bimetal protector in parallel with a Polymeric Positive Temperature Coefficient (PPTC) device, PPTC acts as a heater and helps keep the bimetal latched until the fault is removed.

Said Amy Chu, product manager, Electronics Business Unit at Littelfuse. “Their welding leads can also be customized to facilitate a customer’s design process.”

Key benefits include:

  • High current capacity and low resistance capable of handling the voltages and battery charge rates found in high-capacity lithium ion polymer and prismatic cells.
  • Multiple activation temperature ratings (72°C, 77°C, 82°C, 85°C, 90°C) help to provide resettable and accurate over-temperature protection.
  • Thin, compact form factor (5.8mm x 3.80mm x 1.05mm) facilitates circuit protection in ultra-thin battery pack designs.

The MHP-TAT Metal Hybrid PPTC Mini-Breaker Series is available in minimum order quantities of 20,000 pieces in boxes. Sample requests may be placed through authorized Littelfuse distributors worldwide.

For more information: http://www.littelfuse.com/about-us/press-releases/2018/01.22-metal-hybrid-pptc-mini-breaker-with-resettable-thermal.aspx

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