Bourns offers its next generation of Multifuse polymeric positive temperature coefficient (PPTC) strap components designed to enhance the safety and performance of rechargeable battery packs. This product line offers a reliable and cost effective method of protecting the battery pack from external shorts and abusive charging according to the company.
* MF-SVS family: offers pack designers and manufacturers a strap device with a typical initial resistance as low as 14 mOhm, providing the pack designer an immediate minimum increase in talk time capacity of up to 6%. A key advantage is that it is designed to trip at the optimum switching temperature of 85°C, protecting Lithium or Ni-MH chemistry cells from overheating and ensuring not only that the pack is more than adequately protected, but that it does not suffer from nuisance switching. The MF-SVS family is available with a width as narrow as 3,6 mm.
* MF-VSN family: answers the need for ultra-slim products to match the reduction in thickness of the new generation Li-ion prismatic cells. The VSN products are rated to a maximum voltage of 12 V, maximum current of 100 A and consists of two main devices: the MF-VS210N designed for GSM battery packs, and the MF-VS170N designed for lower pulse current applications, both with a maximum width of 3,6 mm.
* MF-VS family: has been designed for the protection of battery packs rated with a maximum voltage of 16 V and a maximum current of 100 A. A hold current of 2,4 A makes the product family ideal for use inside battery packs designed for PDAs, portable computers and cellphones. With a resistance as low as 20 mOhm, the MF-VS increases the run time of the electronic device powered by the battery pack.
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