ThermoFuse™ Varistors

TDK ThermoFuse™ Varistors feature a wide operating voltage range of 130VRMS to 750VRMS. These varistors are self-protected under abnormal overvoltage conditions and offer high-energy Advanced series E2. TDK ThermoFuse varistors include either leaded square varistor elements or leaded round varistor elements. These varistors are made of epoxy molding and are flame-retardant as per UL 94 V-0. The ThermoFuse varistors come with tinned copper wire and metal compound wire terminals. Typical applications include power meters, telecom, transient voltage surger suppressors (TVSS), and household appliances.

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Description Datasheet Availability Pricing (USD) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model Type
Mounting Style
Termination Style
Minimum Operating Temperature
Maximum Operating Temperature
Length
Width
Height
Series
EPCOS / TDK Industrial Surge Protectors 550V 25kA 10% 4pin 30mm
Datasheet
349In Stock
Min.: 1
Mult.: 1
Thermofuse Varistor PCB Mount Radial - 40 C + 85 C 34 mm 14 mm 28 mm Thermo-fused Varistor 4-pin, 25kA 30mm
EPCOS / TDK Industrial Surge Protectors 150V 25kA 10% 4pin 30mm
Datasheet
495In Stock
Min.: 1
Mult.: 1
Thermofuse Varistor PCB Mount Radial - 40 C + 85 C 34 mm 14 mm 28 mm Thermo-fused Varistor 4-pin, 25kA 30mm
EPCOS / TDK Industrial Surge Protectors 510V 25kA 10% 4pin 30mm
Datasheet
58In Stock
Min.: 1
Mult.: 1
Thermofuse Varistor PCB Mount Radial - 40 C + 85 C 34 mm 14 mm 28 mm Thermo-fused Varistor 4-pin, 25kA 30mm
EPCOS / TDK Industrial Surge Protectors 320V 25kA 10% 4pin 30mm
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 1
Mult.: 1

Thermofuse Varistor PCB Mount Radial - 40 C + 85 C 34 mm 14 mm 28 mm Thermo-fused Varistor 4-pin, 25kA 30mm
EPCOS / TDK Industrial Surge Protectors 385V 25kA 10% 4pin 30mm
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 1
Mult.: 1

Thermofuse Varistor PCB Mount Radial - 40 C + 85 C 34 mm 14 mm 28 mm Thermo-fused Varistor 4-pin, 25kA 30mm
EPCOS / TDK Industrial Surge Protectors 420V 25kA 10% 4pin 30mm
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 400
Mult.: 50

Thermofuse Varistor PCB Mount Radial - 40 C + 85 C 34 mm 14 mm 28 mm Thermo-fused Varistor 4-pin, 25kA 30mm
EPCOS / TDK Industrial Surge Protectors 680V 25kA 10% 4pin 30mm
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 400
Mult.: 50

Thermofuse Varistor PCB Mount Radial - 40 C + 85 C 34 mm 14 mm 28 mm Thermo-fused Varistor 4-pin, 25kA 30mm
EPCOS / TDK Industrial Surge Protectors 750V 25kA 10% 4pin 30mm
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 1
Mult.: 1

Thermofuse Varistor PCB Mount Radial - 40 C + 85 C 34 mm 14 mm 28 mm Thermo-fused Varistor 4-pin, 25kA 30mm