The 5561SA-XXX-XX is a TVS (Transient Voltage Suppressor) Diode from Neltron. Supreme Components International is an authorised distributor of Neltron components, ensuring you receive genuine parts. TVS diodes are crucial for protecting electronic circuits from voltage spikes and surges. This particular diode is designed to clamp transient voltages to a safe level, preventing damage to downstream components. It's ideal for applications requiring robust overvoltage protection. Please contact us for detailed specifications, including breakdown voltage, clamping voltage, and peak pulse power dissipation. This diode is commonly used in telecommunications, industrial control, and consumer electronics.