TDK Corporation’s leaded EPCOS metal oxide disk varistors have been approved for an increased operating temperature of 105°C, up from 85°C. Raising the permissible operating temperature to 105°C also changes the climate category from 40/85/56 to 40/105/56. The flammability of the epoxy enclosure complies with UL 94 V-0.
The monolithic EPCOS varistors are available with rated voltages of between 11 and 1100 Vrms and, depending on type, can withstand surge currents of up to 20 kA (8/20 µs). They are suitable for the protection of power supply and converter inputs for industrial electronics applications, as well as household appliances and telecommunication devices.
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