⚡ Why surges and static electricity shouldn't be ignored？
When it comes to circuit protection, lightning surges and ESD are among the most common—and most destructive—threats. A surge from a lightning strike carries massive energy, while an ESD event happens in nanoseconds and can silently punch through delicate chips.If there’s no defense in place, chips don’t last long.
📌Meet the SMAJ5.0A
That’s why many engineers drop in a Semiware SMAJ5.0A TVS diode. Under normal 5V operation it’s invisible, no interference at all,it just takes the hit for your circuit. Once the line creeps past about 7.0V, the diode wakes up instantly, opening a safe path for the surge to ground.
📌Tough specs that count
You might wonder, can such a small device really handle large currents?
It’s rated for 43.5A peak pulse current, which means even a nasty spike gets clamped to roughly 9V—low enough to keep MCUs and interface chips alive. With 400W of surge power in reserve and only microamps of leakage when idle, it’s both tough and quiet.
📌Testing Experience
Test engineers know best that products often fail at the surge or ESD stage, not during basic function checks. The fix is almost always the same: add a TVS diode. Suddenly, the test passes. That’s the SMAJ5.0A’s job—taking the punishment so your design doesn’t.
🌈From outdoor cameras in thunderstorm seasons to routers on a desktop, it reacts in nanoseconds.Although it's just a small component, it can save you a lot of trouble.
Want your electronic equipment to be safer and more reliable?
Give Semiware’s protection solutions a try.👇
https://en.semiware.com/product-general-tvs/smaj5-0a
📩Put Semiware SMAJ5.0A on your schematic—Alternative to Littelfuse.👇
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