Patent · US Active

Surge protective devices, circuits, modules and systems including same

US11223200B2 · kind B2 · utility

2Cited by
75References
30Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 26, 2018
Grant dateJan 11, 2022
Priority date
Expiry dateMay 27, 2039

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01H85/306
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A surge protective device (SPD) includes a first electrical terminal, a second electrical terminal, and an overvoltage protection circuit connected between the first and second electrical terminals. The overvoltage protection circuit includes a gas discharge tube and a current management circuit connected in series to the gas discharge tube. The current management circuit includes a varistor and a resistor that are connected in parallel between a first node of the current management circuit and a second node of the current management circuit.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.