Circuit protection – Electronics Engineering

🔌 When Should You Use a Relay Instead of a Transistor Switch?

admin September 25, 2026

A relay and a MOSFET may both turn power on, but their limits are very different. Learn how isolation, inrush, PWM, heat, and load type shape the right choice. ⚙️🧲🛡️

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⚡ Why Electronic Components Fail After Power Surges and How Protection Circuits Work

admin September 21, 2026

A surge lasts briefly, but its damage can appear much later. Learn how TVS diodes, MOVs, fuses, layout, and return paths protect real circuits. 🔌🛠️⚡

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🔌 How USB-C Power Delivery Negotiates Safe Charging Voltages

admin September 15, 2026

USB-C chargers do not simply push their maximum voltage. See how CC pins, PD messages, cable identity, and protection circuits create a safe power contract. ⚡🛡️🔋