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Bourns Multifuse overcurrent/overtemperature fuse series is upgraded with the introduction of the MF-ASML/X series, featuring up to 0.75 A power rating.
Bourns, a leading global manufacturer of electronic components for power, protection and sensing solutions, today announced that it will expand its Multifuse Polymer PTC (PPTC) Resettable Fuses with the introduction of a higher power rating model - the MF-ASML/X Series. The Bourns MF-ASML075/6 features a 0.75 A (Ihold) rating and is designed to meet the needs of space-constrained applications. The BournsMF-ASML075/6 has a 0.75 A (Ihold) rating and is designed to give developers of space-constrained applications more overcurrent/overheat protection options in an ultra-compact 0402 package. In addition to higher sustaining currents and a smaller board footprint, the new models feature several key enhancements, including higher voltage ratings (Vmax) and increased resistance stability. These enhancements are specifically designed to meet a wide variety of applications, with a focus on optimized protection solutions for low-voltage DC ports commonly found in consumer products such as wearables, toys and gaming applications.
As part of the MultifusePPTC family of resettable fuses, the MF-ASML075/6 models are also based on Bourns' innovative freeXpansion technology. Developed over 14 years ago, this technology enhances the performance of fuses with the ability to handle higher currents and voltages, improve their resistance stability and enable smaller package sizes. To improve the reliability and life of all Multifuse? PPTC resettable fuses, including the MF-ASML/X model series, we use electroless nickel immersion gold (ENIG) plating for their SMD terminals. ENIG plating uses a thin, uniform layer of metal over a layer of nickel, which has proven to have excellent corrosion resistance and superior conductivity. In contrast, conventional nickel-tin (Ni/Sn) coatings can be susceptible to whiskering, oxidation, and corrosion, which can lead to short circuits, poor soldering, and deterioration of electronic circuits.
The BournsMF-ASML/X model series also utilizes a unique Tungsten Carbide (WC) material that offers low resistance and oxidation resistance even in humid environments. In addition, the low resistance is valuable because it contributes to higher power efficiency, while the oxidation resistance helps achieve higher levels of quality and reliability.
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