1N5822 Schottky Diode (3A 40V)

Overview & Features When designing high-efficiency power circuits, standard silicon diodes often waste too much energy as heat due to their high forward voltage drop. The 1N5822 Schottky Diode solves this by offering an exceptionally low forward voltage drop and ultra-fast switching speeds, making it an essential component for modern power electronics. Available at Tomson Electronics, this 3-Amp, 40-Volt Schottky barrier rectifier is widely used in high-frequency switch-mode power supplies (SMPS) and DC-DC converters. Because it dissipates very little heat, it is also the perfect choice for reverse polarity protection on custom embedded devices—such as battery-powered LoRa nodes or flight controllers—and acts as an excellent freewheeling diode to protect circuits from voltage spikes generated by inductive loads like robotics motors. Note: The industry standard part number is 1N5822, though it is frequently typed as IN5822. Also searched as: IN5822 diode, 3A schottky barrier diode, 1N5822 rectifier, low voltage drop diode, DO-201AD diode, 3 amp fast switching diode. Technical Specifications Part Number: 1N5822 (Often searched as IN5822) Diode Type: Schottky Barrier Rectifier Maximum Forward Current (If): 3.0A Peak Reverse Voltage (Vrrm): 40V Forward Voltage Drop (Vf): ~0.525V at 3A (significantly lower at lower currents) Package Type: DO-201AD (Axial Lead / Through-Hole) Operating Temperature: -65°C to +125°C Common Applications Power Supplies: Highly efficient rectification

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