Varistors

Littelfuse Varistors are protective devices that offer several important features, such as overvoltage protection, peak current ratings from 20A to 70,000A, and peak energy ratings from 0.01J to 10,000J. The mounting options serve a wide range of applications. Littelfuse Varistors also offer many form factor and protection ranges, rugged cost-effective protection, thermal protection options, and RoHS compliance.

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Description Datasheet Availability Pricing (SGD) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model Series
Product
Mounting Style
Termination Style
Package/Case
Voltage Rating AC
Voltage Rating DC
Varistor Voltage
Clamping Voltage
Diameter
Peak Surge Current
Surge Energy Rating
Capacitance
Minimum Operating Temperature
Maximum Operating Temperature
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Packaging
Littelfuse Varistors THERMALLY PROTECTED VARISTOR 14MM
Datasheet
24In Stock
Min.: 1
Mult.: 1

iTMOV MOVs PCB Mount Radial 250 VAC 320 VDC 429 V 650 V 14 mm 6 kA 100 J 500 pF - 55 C + 85 C Bulk
Littelfuse Varistors THERMALLY PROTECTED VARISTOR 14MM
Datasheet
488In Stock
4,500On Order
Min.: 1
Mult.: 1

TMOV MOVs PCB Mount Radial 275 VAC 350 VDC 473 V 710 V 14 mm 6 kA 110 J 450 pF - 55 C + 85 C Bulk
Littelfuse Varistors THERMALLY PROTECTED VARISTOR 14MM
Datasheet
1,155In Stock
1,200Expected 18/8/2026
Min.: 1
Mult.: 1
: 400

TMOV MOVs PCB Mount Radial 275 VAC 430 VDC 473 V 710 V 14 mm 6 kA 110 J 450 pF - 55 C + 85 C Reel, Cut Tape
Littelfuse Varistors THERMALLY PROTECTED VARISTOR 14MM
Datasheet
11In Stock
3,600On Order
Min.: 1
Mult.: 1
: 400

TMOV MOVs PCB Mount Radial 300 VAC 470 VDC 517 V 775 V 14 mm 6 kA 125 J 400 pF - 55 C + 85 C Reel, Cut Tape
Littelfuse Varistors THERMALLY PROTECTED VARISTOR 14MM
Datasheet
1,060In Stock
Min.: 1
Mult.: 1
: 400

TMOV MOVs PCB Mount Radial 320 VAC 510 VDC 561 V 840 V 14 mm 6 kA 136 J 380 pF - 55 C + 85 C Reel, Cut Tape
Littelfuse Varistors THERMALLY PROTECTED VARISTOR 14MM
Datasheet
1,185In Stock
Min.: 1
Mult.: 1
: 400

TMOV MOVs PCB Mount Radial 385 VAC 620 VDC 682 V 1.025 kV 14 mm 6 kA 150 J 360 pF - 55 C + 85 C Reel, Cut Tape
Littelfuse Varistors THERMALLY PROTECTED VARISTOR 14MM
Datasheet
1,190In Stock
1,500Expected 1/10/2026
Min.: 1
Mult.: 1
TMOV MOVs PCB Mount Radial 510 VAC 670 VDC 902 V 1.355 kV 14 mm 6 kA 185 J 200 pF - 55 C + 85 C Bulk
Littelfuse Varistors Thermally Protected 14MM
Datasheet
544In Stock
Min.: 1
Mult.: 1

TMOV MOVs PCB Mount Radial 550 VAC 715 VDC 1.001 kV 1.355 kV 14 mm 6 kA 190 J 180 pF - 55 C + 85 C Bulk
Littelfuse Varistors THERMALLY PROTECTED VARISTOR 20MM
Datasheet
189In Stock
1,200Expected 28/8/2026
Min.: 1
Mult.: 1

TMOV MOVs PCB Mount Radial 125 VAC 150 VDC 198 V 300 V 20 mm 10 kA 52 J 2.4 nF - 55 C + 85 C Bulk
Littelfuse Varistors THERMALLY PROTECTED VARISTOR 20MM
Datasheet
Product Comments
32In Stock
1,200Expected 23/11/2026
Min.: 1
Mult.: 1

TMOV MOVs PCB Mount Radial 130 VAC 170 VDC 225.5 V 340 V 20 mm 10 kA 100 J 1.9 nF - 55 C + 85 C Bulk
Littelfuse Varistors THERMALLY PROTECTED VARISTOR 20MM
Datasheet
488In Stock
4,400Expected 1/2/2027
Min.: 1
Mult.: 1

iTMOV MOVs PCB Mount Radial 150 VAC 200 VDC 264 V 395 V 20 mm 10 kA 120 J 1.6 nF - 55 C + 85 C Bulk
Littelfuse Varistors THERMALLY PROTECTED VARISTOR 20MM
Datasheet
568In Stock
1,200Expected 16/11/2026
Min.: 1
Mult.: 1

TMOV MOVs PCB Mount Radial 175 VAC 225 VDC 297 V 455 V 20 mm 10 kA 135 J 1.4 nF - 55 C + 85 C Bulk
Littelfuse Varistors THERMALLY PROTECTED VARISTOR 20MM
Datasheet
898In Stock
Min.: 1
Mult.: 1

TMOV MOVs PCB Mount Radial 230 VAC 360 VDC 396 V 595 V 20 mm 10 kA 160 J 1.1 nF - 55 C + 85 C Bulk
Littelfuse Varistors THERMALLY PROTECTED VARISTOR 20MM
Datasheet
897In Stock
Min.: 1
Mult.: 1

TMOV MOVs PCB Mount Radial 250 VAC 320 VDC 429 V 650 V 20 mm 10 kA 170 J 1 nF - 55 C + 85 C Bulk
Littelfuse Varistors THERMALLY PROTECTED VARISTOR 20MM
Datasheet
1,097In Stock
Min.: 1
Mult.: 1

TMOV MOVs PCB Mount Radial 320 VAC 561 VDC 561 V 840 V 20 mm 10 kA 372 J 750 pF - 55 C + 85 C Bulk
Littelfuse Varistors THERMALLY PROTECTED VARISTOR 20MM
Datasheet
996In Stock
Min.: 1
Mult.: 1
: 300

TMOV MOVs PCB Mount Radial 320 VAC 510 VDC 561 V 840 V 20 mm 10 kA 372 J 750 pF - 55 C + 85 C Reel, Cut Tape
Littelfuse Varistors THERMALLY PROTECTED VARISTOR 20MM
Datasheet
559In Stock
1,500Expected 21/10/2026
Min.: 1
Mult.: 1

TMOV MOVs PCB Mount Radial 385 VAC 505 VDC 682 V 1.025 kV 20 mm 10 kA 300 J 700 pF - 55 C + 85 C Bulk
Littelfuse Varistors THERMALLY PROTECTED VARISTOR 20MM
Datasheet
276In Stock
1,200Expected 28/8/2026
Min.: 1
Mult.: 1

iTMOV MOVs PCB Mount Radial 510 VAC 670 VDC 670 V 1.355 kV 20 mm 10 kA 325 J 350 pF - 55 C + 85 C Bulk
Littelfuse Varistors THERMALLY PROTECTED VARISTOR 20MM
Datasheet
390In Stock
Min.: 1
Mult.: 1

TMOV MOVs PCB Mount Radial 625 VAC 1.1 kVDC 1.1 kV 1.65 kV 20 mm 10 kA 400 J 250 pF - 55 C + 85 C Bulk
Littelfuse Varistors 115V 20KA SQ 25MM PB FREE 25S
Datasheet
116In Stock
Min.: 1
Mult.: 1

TMOV MOVs PCB Mount Radial 125 VAC 150 VDC 198 V 295 V 25 mm 20 kA 170 J 3.2 nF - 55 C + 85 C Bulk
Littelfuse Varistors 150V 20KA SQ 25MM 25S ROHS / LEAD FREE
Datasheet
45In Stock
900Expected 16/11/2026
Min.: 1
Mult.: 1

TMOV MOVs PCB Mount Radial 150 VAC 200 VDC 216 V 390 V 25 mm 20 kA 220 J 2.3 nF - 55 C + 85 C Bulk
Littelfuse Varistors 275V 20KA SQ 25MM PB FREE 25S
Datasheet
262In Stock
800Expected 24/9/2026
Min.: 1
Mult.: 1

TMOV MOVs PCB Mount Radial 275 VAC 350 VDC 387 V 700 V 25 mm 20 kA 350 J 1.25 nF - 55 C + 85 C Bulk
Littelfuse Varistors THERMALLY PROTECTED VARISTOR 34 MM DISC
Datasheet
1In Stock
Min.: 1
Mult.: 1

TMOV MOVs PCB Mount Radial 275 VAC 369 VDC 473 V 730 V 34 mm 40 kA 550 J 4.5 nF - 55 C + 85 C Bulk
Littelfuse Varistors 30V 5mm Epoxy UltraMOV
Datasheet
2,850In Stock
Min.: 1
Mult.: 1

LV UltraMOV MOVs PCB Mount Radial 30 VAC 38 VDC 47 V 93 V 5 mm 500 A 3.1 J 650 pF - 40 C + 85 C Bulk
Littelfuse Varistors 35V 5mm Epoxy UltraMOV
Datasheet
118In Stock
Min.: 1
Mult.: 1

LV UltraMOV MOVs PCB Mount Radial 35 VAC 45 VDC 56 V 93 V 5 mm 500 A 4 J 550 pF - 40 C + 85 C Bulk