EPCOSThe B88069X5151B502 is an EPCOS-manufactured TDK Gas Discharge Tube (GDTs) and Gas Plasma Arrestor ES 90XP. It is a GDT designed to protect sensitive electronic equipment against lightning surges, overvoltages, and power-line disturbances. It is a highly reliable, compact, and inexpensive device that provides protection against overvoltage transients. The unit features high surge current capability and withstands peak voltages up to 90V. This product is designed for use in environments with a wide range of temperatures and is suitable for telecommunications systems, industrial applications, automotive electronics, and other forms of electronic equipment.