Infographic Reveals Seven Tips for Staying Connected


Today’s consumers are always on the go. Running to appointments. Dropping off the kids. Driving to the office. The average day can feel like a marathon.

While on the run, consumers want their mobile devices to be charged and ready for use. They can’t afford to have the battery run out of juice. And they don’t have a lot of extra time to wait for it to recharge. Since they don’t always have access to a wall outlet, they need a charger designed to deliver maximum performance when they are connected to it.

One way for electronics design engineers to optimize the safety and performance of a device charger is to use a compact fuse like the 777 Series Fuse from Littelfuse. It combines superior surge tolerance with safe opening in short-circuit conditions. The 777 Series provides protection for wall-mount smartphone and tablet chargers and 10–20W power supply modules for other battery-powered consumer electronics.

Although chargers for earlier generations of mobile phones had relatively low wattage (about 5W), today’s highly compact chargers must often be able to handle 10–15W of power, which requires tolerating higher levels of current. The 777 Series Fuse incorporates an innovative filler material that provides a finely tuned balance between the surge tolerance necessary to prevent nuisance fuse tripping with the fuse’s ability to open safely when a short-circuit occurs. The fuse’s robust design allows it to withstand up to 24 hits of 7.5kV ringwave surge. It will open safely on a direct short condition without producing soot, sparks or sounds.

Want to learn more about how to engineer fast, compact and economical chargers that won’t compromise user safety? Explore the datasheet and technical resources for the 777 Series Fuse

Infographic Reveals Seven Tips for Staying Connected

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