B722 Series Varistors

EPCOS' B722 series of varistors with increased operating temperature ratings

Image of EPCOS' B722 Series of VaristorsEPCOS' metal oxide disk varistors by TDK are approved for increased operating temperature of 105°C (previously 85°C). The B722 series of varistors have been recertified in accordance with UL 1449, 4th Edition, and IEC 61051. 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.

Features Applications
  • Increased permissible operating temperature of 105°C
  • Wide range of rated voltages from 11 VRMS to 1100 VRMS
  • High surge current capability of up to 20 kA (8/20 µs)
  • Recertified in accordance with UL 1449, 4th Edition, and IEC 61051
  • Power supplies and converters for industrial electronics applications
  • Household appliances
  • Telecommunication devices

B722 Series Varistors

ImageManufacturer Part NumberDescriptionMaximum AC VoltsVaristor Voltage (Min)Varistor Voltage (Max)Available QuantityView Details
VARISTOR 18V 250A DISC 7MMB72207S0110K101VARISTOR 18V 250A DISC 7MM11V16.2V19.8V13888 - ImmediateView Details
VARISTOR 22V 250A DISC 7MMB72207S0140K101VARISTOR 22V 250A DISC 7MM14V19.8V24.2V2068 - ImmediateView Details
VARISTOR 39V 250A DISC 7MMB72207S0250K101VARISTOR 39V 250A DISC 7MM25V35.1V42.9V14832 - ImmediateView Details
VARISTOR 47V 250A DISC 7MMB72207S0300K101VARISTOR 47V 250A DISC 7MM30V42.3V51.7V1668 - ImmediateView Details
VARISTOR 205V 1.2KA DISC 7MMB72207S0131K101VARISTOR 205V 1.2KA DISC 7MM130V184.5V225.5V2967 - ImmediateView Details
VARISTOR 240V 1.2KA DISC 7MMB72207S0151K101VARISTOR 240V 1.2KA DISC 7MM150V216V264V2258 - ImmediateView Details
VARISTOR 430V 1.2KA DISC 7MMB72207S0271K101VARISTOR 430V 1.2KA DISC 7MM275V387V473V16596 - ImmediateView Details
VARISTOR 205V 4.5KA DISC 14MMB72214S0131K101VARISTOR 205V 4.5KA DISC 14MM130V184.5V225.5V2632 - ImmediateView Details
VARISTOR 220V 4.5KA DISC 14MMB72214S0141K101VARISTOR 220V 4.5KA DISC 14MM140V198V242V1287 - ImmediateView Details
VARISTOR 240V 4.5KA DISC 14MMB72214S0151K101VARISTOR 240V 4.5KA DISC 14MM150V216V264V29883 - ImmediateView Details
VARISTOR 430V 4.5KA DISC 14MMB72214S0271K101VARISTOR 430V 4.5KA DISC 14MM275V387V473V4170 - ImmediateView Details
VARISTOR 510V 4.5KA DISC 14MMB72214S0321K101VARISTOR 510V 4.5KA DISC 14MM320V459V561V104078 - ImmediateView Details
VARISTOR 205V 8KA DISC 20MMB72220S0131K101VARISTOR 205V 8KA DISC 20MM130V184.5V225.5V4797 - ImmediateView Details
VARISTOR 220V 8KA DISC 20MMB72220S0141K101VARISTOR 220V 8KA DISC 20MM140V198V242V1932 - ImmediateView Details
VARISTOR 240V 8KA DISC 20MMB72220S0151K101VARISTOR 240V 8KA DISC 20MM150V216V264V0View Details
VARISTOR 430V 8KA DISC 20MMB72220S0271K101VARISTOR 430V 8KA DISC 20MM275V387V473V17592 - ImmediateView Details
VARISTOR 510V 8KA DISC 20MMB72220S0321K101VARISTOR 510V 8KA DISC 20MM320V459V561V0View Details
VARISTOR 205V 800A DISC 5MMB72205S2131K101VARISTOR 205V 800A DISC 5MM130V184.5V225.5V5220 - ImmediateView Details
VARISTOR 220V 800A DISC 5MMB72205S2141K101VARISTOR 220V 800A DISC 5MM140V198V242V0View Details
VARISTOR 240V 800A DISC 5MMB72205S2151K101VARISTOR 240V 800A DISC 5MM150V216V264V3906 - ImmediateView Details
Published: 2017-08-24