The Z130LA10A comes from Zenamic, which makes a lot of varistors for industrial applications. Zenamic's Z130LA10A Metal Oxide Radial Lead Varistor fits into a bunch of electronic products, like power supplies, motors, power protection, and conditioning equipment. Another use is to protect electric power distribution systems from surges from lightning strikes and other transient effects. Zenamic's Z130LA10A is also used in medical devices like medical imaging equipment, lasers, and devices like pacemakers, defibrillators, and devices used during surgery. Other applications include protecting devices in hazardous or explosive environments, like oil rigs and mines, as well as devices in aircraft exposed to the wide range of temperatures found during high-altitude flights.