Diotec Semiconductor introduces ESD Protection Diode, ESD5Z3V3 in the tiny SOD-523 package.

Whether training for a marathon or just wanting to improve running times in general, a smartwatch with an integrated GPS sensor gives precise information about the distance and pace during the workout. Just need to enter the height, weight, gender, and age during configuration, and it calculates the calorie consumption. Some models even give an accurate heart rate reading, showing how fast, slow, or irregular the heartbeat is. Daily activity can be tracked on a suitable smartphone app; in addition, to answering calls and sending text messages. The perfect companion not only for runners but also cyclists, hikers, and climbers.

Such a smartwatch needs to be protected against electrostatic discharge (ESD) events caused by the user. Diotec Semiconductor's ESD protection diode ESD5Z3V3 in the tiny SOD-523 package is the perfect match for that. It offers a 3.3 V stand-off voltage and is capable of ± 30 kV surges according to the Human Body Model (HBM). As such, it safely protects the smartwatch from static discharge on its terminals and prevents malfunction of the IC. Any other consumer electronics such as fitness bands, smartphones, tablets, and e-readers can be protected as well by this part.

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