The TPSMF4L28A is a high-performance Transient Voltage Suppressor (TVS) Diode manufactured by Diotec. Supreme Components International is an authorised distributor of Diotec, ensuring you receive genuine, high-quality components. This TVS diode is designed to protect sensitive electronic circuits from voltage transients induced by electrostatic discharge (ESD), electrical fast transients (EFT), and lightning. With a power dissipation rating of 400W and a reverse standoff voltage of 28V, the TPSMF4L28A effectively clamps transient voltages to safe levels, preventing damage to downstream components. Its DO-221AC package allows for easy surface mounting. Ideal for use in telecommunications equipment, industrial controls, and consumer electronics, this TVS diode provides reliable overvoltage protection. Choose the TPSMF4L28A for superior circuit protection and peace of mind.