The ZGFM5939B-AF-Q1-H is a high-performance, unidirectional TVS diode manufactured by FORMOSA MICROSEMI. This device is specifically designed to protect sensitive electronic components from voltage transients induced by electrostatic discharge (ESD), electrical fast transients (EFT), and lightning. With a breakdown voltage of 5.0V, the ZGFM5939B-AF-Q1-H effectively clamps transient voltages to safe levels, preventing damage to downstream circuitry. Its compact SOD-323 package allows for easy integration into a wide range of applications, including portable devices, communication equipment, and industrial control systems. Supreme Components International is an authorised distributor of FORMOSA MICROSEMI, ensuring that you receive only genuine, high-quality components. Trust the ZGFM5939B-AF-Q1-H for reliable transient voltage protection.