Zener Diodes

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Zener diodes are a handy little companion for all sorts of jobs. They are rated with a fixed breakdown (avalanche) voltage above which, unlike normal diodes, they'll allow reverse current flow. But how could that be useful I hear you ask? Protecting micro-controller pins from excess voltage Providing a reference voltage Clamping signal voltages We stock both 3V3 and 5V Zener diodes as these are the voltages most Raspberry Pi and Arduino projects will run at. Power: 1.3W Tolerance: ±5% Datasheet 5V 3.3V Image is for illustrative purposes only. Please refer to product data sheet. Show more