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 (EUR) 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
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Maximum Operating Temperature
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Packaging
Littelfuse Varistors THERMALLY PROTECTED VARISTOR 20MM
Datasheet
942In Stock
Min.: 1
Mult.: 1

TMOV MOVs PCB Mount Radial 175 VAC 225 VDC 297 V 455 V 20 mm 10 kA 135 J 1400 pF - 55 C + 85 C Bulk
Littelfuse Varistors THERMALLY PROTECTED VARISTOR 20MM
Datasheet
828In Stock
Min.: 1
Mult.: 1

TMOV MOVs PCB Mount Radial 200 VAC 344 VDC 344 V 530 V 20 mm 10 kA 154 J 1250 pF - 55 C + 85 C Bulk
Littelfuse Varistors THERMALLY PROTECTED VARISTOR 20MM
Datasheet
1,117In Stock
Min.: 1
Mult.: 1

TMOV MOVs PCB Mount Radial 250 VAC 320 VDC 429 V 650 V 20 mm 10 kA 170 J 1000 pF - 55 C + 85 C Bulk
Littelfuse Varistors THERMALLY PROTECTED VARISTOR 20MM
Datasheet
1,066In Stock
Min.: 1
Mult.: 1

iTMOV MOVs PCB Mount Radial 250 VAC 320 VDC 429 V 650 V 20 mm 10 kA 170 J 1000 pF - 55 C + 85 C Bulk
Littelfuse Varistors THERMALLY PROTECTED VARISTOR 20MM
Datasheet
19In Stock
1,200Expected 12/05/2026
Min.: 1
Mult.: 1
Reel: 300

TMOV MOVs PCB Mount Radial 300 VAC 385 VDC 517 V 775 V 20 mm 10 kA 250 J 800 pF - 55 C + 85 C Reel, Cut Tape
Littelfuse Varistors THERMALLY PROTECTED VARISTOR 20MM
Datasheet
894In Stock
4,500On Order
Min.: 1
Mult.: 1

iTMOV MOVs PCB Mount Radial 300 VAC 385 VDC 517 V 775 V 20 mm 10 kA 250 J 800 pF - 55 C + 85 C Bulk
Littelfuse Varistors THERMALLY PROTECTED VARISTOR 20MM
Datasheet
406In Stock
Min.: 1
Mult.: 1
Reel: 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
1,200In Stock
Min.: 1
Mult.: 1
Reel: 300

TMOV MOVs PCB Mount Radial 385 VAC 620 VDC 1.025 kV 20 mm 10 kA 700 pF - 55 C + 85 C Reel, Cut Tape
Littelfuse Varistors THERMALLY PROTECTED VARISTOR 20MM
Datasheet
26In Stock
1,200Expected 03/06/2026
Min.: 1
Mult.: 1

TMOV MOVs PCB Mount Radial 510 VAC 902 VDC 902 V 1.355 kV 20 mm 10 kA 325 J 350 pF - 55 C + 85 C Bulk
Littelfuse Varistors THERMALLY PROTECTED VARISTOR 20MM
Datasheet
428In Stock
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
1,039In Stock
1,200Expected 06/05/2026
Min.: 1
Mult.: 1

TMOV MOVs PCB Mount Radial 550 VAC 715 VDC 1.001 kV 1.5 kV 20 mm 10 kA 360 J 300 pF - 55 C + 85 C Bulk
Littelfuse Varistors THERMALLY PROTECTED VARISTOR 20MM
Datasheet
744In Stock
1,200Expected 13/04/2026
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
126In Stock
Min.: 1
Mult.: 1

TMOV MOVs PCB Mount Radial 125 VAC 150 VDC 198 V 295 V 25 mm 20 kA 170 J 3200 pF - 55 C + 85 C Bulk
Littelfuse Varistors 320V 20KA SQ 25MM 25S ROHS/PB FREE
Datasheet
162In Stock
Min.: 1
Mult.: 1

TMOV MOVs PCB Mount Radial 320 VAC 420 VDC 561 V 825 V 25 mm 20 kA 390 J 1080 pF - 55 C + 85 C Bulk
Littelfuse Varistors 11V 5mm Epoxy UltraMOV
Datasheet
2,973In Stock
Min.: 1
Mult.: 1

LV UltraMOV MOVs PCB Mount Radial 11 VAC 14 VDC 18 V 36 V 5 mm 500 A 800 mJ 1300 pF - 40 C + 85 C Bulk
Littelfuse Varistors 30V 5mm Epoxy UltraMOV
Datasheet
4,367In 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
502In 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
Littelfuse Varistors 40V 5mm Epoxy UltraMOV
Datasheet
14In Stock
4,500Expected 12/05/2026
Min.: 1
Mult.: 1

LV UltraMOV MOVs PCB Mount Radial 40 VAC 56 VDC 68 V 135 V 5 mm 500 A 5 J 500 pF - 40 C + 85 C Bulk
Littelfuse Varistors RADIAL VARISTOR 05MM ROHS/LEAD FREE
Datasheet
998In Stock
10,000Expected 30/03/2026
Min.: 1
Mult.: 1
Reel: 1,000

LV UltraMOV MOVs PCB Mount Radial 40 VAC 56 VDC 68 V 135 V 7 mm 500 A 5 J 500 pF - 40 C + 85 C Reel, Cut Tape
Littelfuse Varistors 50V 5mm Epoxy UltraMOV
Datasheet
1,915In Stock
Min.: 1
Mult.: 1

LV UltraMOV MOVs PCB Mount Radial 50 VAC 68 VDC 82 V 135 V 5 mm 800 A 5 J 350 pF - 40 C + 85 C Bulk
Littelfuse Varistors 25V 5mm Phenolic AEC-Q200 AUMOV
Datasheet
3,330In Stock
Min.: 1
Mult.: 1

AUMOV MOVs PCB Mount Radial 25 VAC 28 VDC 39 V 77 V 12.5 mm 1 A 2.5 J 750 pF - 40 C + 125 C AEC-Q100 Bulk
Littelfuse Varistors 55V 12pF
Datasheet
4,591In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2,500

MHS MOVs PCB Mount SMD/SMT 0603 (1608 metric) 14 VAC 18 VDC 55 V 0.015 J 12 pF - 55 C + 125 C Reel, Cut Tape, MouseReel
Littelfuse Varistors MULTI-LAYER VARISTOR SURFACE MOUNT
Datasheet
719In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 4,000

MHS MOVs PCB Mount SMD/SMT 0603 (1608 metric) 14 VAC 18 VDC 55 V 0.015 J 12 pF - 55 C + 125 C Reel, Cut Tape, MouseReel
Littelfuse Varistors 9v 22pF 0603
Datasheet
1,504In Stock
7,500Expected 03/06/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2,500

MHS MOVs PCB Mount SMD/SMT 0603 (1608 metric) 6.5 VAC 9 VDC 30 V 1 A 0.015 J 22 pF - 55 C + 125 C Reel, Cut Tape, MouseReel
Littelfuse Varistors MULTI-LAYER VARISTOR SURFACE MOUNT
Datasheet
5,760In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 4,000

MHS MOVs PCB Mount SMD/SMT 0603 (1608 metric) 6.5 VAC 9 VDC 30 V 0.015 J 22 pF - 55 C + 125 C Reel, Cut Tape, MouseReel