Components

Ultra-Low Resistance Surface Mount PPTC Resettable Fuses

Bourns, Inc. has expanded its successful line of ultra-low resistance Multifuse® Polymer Positive Temperature Coefficient (PPTC) resettable fuses. Bourns is introducing the new model series MF-PSML (0805 size) while adding new low-profile devices to the company’s existing MF-NSML (1206 size) and MF-USML (1210 size) series products.

Featuring small package sizes from 1210 to 0805, the expanded Multifuse® line delivers increased resettable fuse performance from higher hold currents (Ihold) up to 7.0 Amps, higher voltages (Vmax) and post trip resistance values as low as 12 mOhms for enhanced resistance stability.

For example, providing ultra-low resistance values helps boost the line’s current-carrying capability where one model can now achieve a 7 Amps Ihold in a compact 1210 package (MF-USML700-2). These features enable longer battery life and faster charging in today’s smaller lithium-ion battery-based devices making the new models ideal resettable protection solutions for a wide range of portable electronic applications.

All the new Multifuse® models are based on Bourns’ freeXpansion™ technology, which is a space-saving manufacturing process that enables smaller surface mount package sizes, while also making it possible for Multifuse® devices to handle larger currents and voltages with improved resistance stability.

“The ultra-low resistance, small footprint, and low profile all make our latest Multifuse® product series ideal protection solutions for a new generation of space-constrained portable devices including smartphones, tablets, wireless headphones, PC motherboards, USB drives and gaming consoles,” said Lee Bourns, Multifuse Product Line Manager at Bourns, Inc. “And because these devices are based on Bourns’ freeXpansion™ technology, they offer superior current, voltage and resistance performance over traditional PTC solutions for designs that require more advanced overcurrent and overtemperature protection.”

Manufactured in a Bourns TS16949-approved facility, the latest Multifuse® PPTC resettable fuses are available now, are RoHS compliant and UL recognized for safety requirements.

Bourns, Inc.
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