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 (USD) 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
Qualification
Packaging
Littelfuse Varistors 440V 20mm Epoxy UltraMOV
Datasheet
1,488In Stock
Min.: 1
Mult.: 1

UltraMOV MOVs PCB Mount Radial 440 VAC 585 VDC 643 V to 787 V 1.18 kV 20 mm 10 kA 340 J 500 pF - 55 C + 85 C Bulk
Littelfuse Varistors 460V 20mm Epoxy UltraMOV
Datasheet
1,200In Stock
Min.: 1
Mult.: 1

UltraMOV MOVs PCB Mount Radial 460 VAC 615 VDC 825 V 1.24 kV 20 mm 10 kA 360 J 400 pF - 55 C + 85 C Bulk
Littelfuse Varistors 50V 20mm Epoxy UltraMOV
Datasheet
1,247In Stock
500Expected 2026/03/10
Min.: 1
Mult.: 1

LV UltraMOV MOVs PCB Mount Radial 50 VAC 68 VDC 82 V 145 V 20 mm 10 kA 80 J 6000 pF - 55 C + 85 C Bulk
Littelfuse Varistors 510V 20mm Epoxy UltraMOV
Datasheet
199In Stock
Min.: 1
Mult.: 1

UltraMOV MOVs PCB Mount Radial 510 VAC 670 VDC 902 V 1.355 kV 20 mm 10 kA 325 J 350 pF - 55 C + 85 C Bulk
Littelfuse Varistors 550V 20mm Epoxy UltraMOV
Datasheet
257In Stock
1,200Expected 2026/05/06
Min.: 1
Mult.: 1

UltraMOV MOVs PCB Mount Radial 550 VAC 745 VDC 819 V to 1.001 kV 1.5 kV 20 mm 10 kA 360 J 300 pF - 55 C + 85 C Bulk
Littelfuse Varistors 60V 20mm Epoxy UltraMOV
Datasheet
3,692In Stock
Min.: 1
Mult.: 1

LV UltraMOV MOVs PCB Mount Radial 60 VAC 85 VDC 100 V 175 V 20 mm 10 kA 100 J 5200 pF - 55 C + 85 C Bulk
Littelfuse Varistors 130V 10000A 1900pF 20mm Radial
Datasheet
594In Stock
Min.: 1
Mult.: 1

HMOV MOVs PCB Mount Radial 130 VAC 170 VDC 225.5 V 340 V 20 mm 10 kA 145 J 1900 pF - 55 C + 125 C Bulk
Littelfuse Varistors 175V 10000A 1400pF 20mm Radial
Datasheet
741In Stock
Min.: 1
Mult.: 1

HMOV MOVs PCB Mount Radial 175 VAC 225 VDC 297 V 455 V 20 mm 10 kA 180 J 1400 pF - 55 C + 125 C Bulk
Littelfuse Varistors 275V 10000A 900pF 20mm Radial
Datasheet
306In Stock
Min.: 1
Mult.: 1

HMOV MOVs PCB Mount Radial 275 VAC 350 VDC 473 V 710 V 20 mm 10 kA 260 J 900 pF - 55 C + 125 C Bulk
Littelfuse Varistors 300V 10000A 800pF 20mm Radial
Datasheet
261In Stock
Min.: 1
Mult.: 1

HMOV MOVs PCB Mount Radial 300 VAC 385 VDC 517 V 775 V 20 mm 10 kA 290 J 800 pF - 55 C + 125 C Bulk
Littelfuse Varistors RADIAL VARISTOR 20MM ROHS/LEAD FREE
Datasheet
137In Stock
Min.: 1
Mult.: 1

AUMOV MOVs PCB Mount Radial 320 VAC 420 VDC 510 V 840 V 23 mm 10 kA 320 J 750 pF - 40 C + 125 C AEC-Q200 Bulk
Littelfuse Varistors 420V 10000A 600pF 20mm Radial
Datasheet
1,037In Stock
Min.: 1
Mult.: 1

HMOV MOVs PCB Mount Radial 420 VAC 560 VDC 748 V 1.12 kV 20 mm 10 kA 330 J 600 pF - 55 C + 125 C Bulk
Littelfuse Varistors RADIAL VARISTOR 20MM ROHS/LEAD FREE
Datasheet
30In Stock
1,000Expected 2026/06/22
Min.: 1
Mult.: 1

AUMOV MOVs PCB Mount Radial 510 VAC 670 VDC 820 V 1.355 kV 23 mm 10 kA 410 J 350 pF - 40 C + 125 C AEC-Q200 Bulk
Littelfuse Varistors 23V 20mm Phenolic UltraMOV
Datasheet
641In Stock
Min.: 1
Mult.: 1

LV UltraMOV MOVs PCB Mount Radial 23 VAC 28 VDC 36 V 71 V 20 mm 8 kA 70 J 0.014 uF - 40 C + 125 C Bulk
Littelfuse Varistors 25V 20mm Phenolic UltraMOV
Datasheet
1,198In Stock
Min.: 1
Mult.: 1

LV UltraMOV MOVs PCB Mount Radial 25 VAC 31 VDC 39 V 77 V 20 mm 8 kA 77 J 0.0135 uF - 40 C + 125 C Bulk
Littelfuse Varistors 30V 20mm Phenolic AEC-Q200 AUMOV
Datasheet
2,506In Stock
Min.: 1
Mult.: 1

AUMOV MOVs PCB Mount Radial 30 VAC 34 VDC 47 V 93 V 17 mm 20 A 90 J 0.012 uF - 40 C + 125 C AEC-Q100 Bulk
Littelfuse Varistors 30V 20mm Phenolic UltraMOV
Datasheet
782In Stock
Min.: 1
Mult.: 1

LV UltraMOV MOVs PCB Mount Radial 30 VAC 38 VDC 47 V 93 V 20 mm 8 kA 90 J 0.012 uF - 40 C + 125 C Bulk
Littelfuse Varistors RADIAL VARISTOR 20MM ROHS/LEAD FREE
Datasheet
183In Stock
900Expected 2026/06/01
Min.: 1
Mult.: 1

AUMOV MOVs PCB Mount Radial 320 VAC 420 VDC 510 V 840 V 23 mm 10 kA 320 J 750 pF - 40 C + 125 C AEC-Q200 Bulk
Littelfuse Varistors 40V 20mm Phenolic UltraMOV
Datasheet
524In Stock
Min.: 1
Mult.: 1

LV UltraMOV MOVs PCB Mount Radial 40 VAC 56 VDC 68 V 135 V 20 mm 8 kA 140 J 8500 pF - 40 C + 125 C Bulk
Littelfuse Varistors 60V 20mm Phenolic UltraMOV
Datasheet
1,263In Stock
Min.: 1
Mult.: 1

LV UltraMOV MOVs PCB Mount Radial 60 VAC 85 VDC 100 V 175 V 20 mm 10 kA 100 J 5200 pF - 55 C + 125 C Bulk
Littelfuse Varistors 75V 20mm Phenolic UltraMOV
Datasheet
177In Stock
Min.: 1
Mult.: 1

LV UltraMOV MOVs PCB Mount Radial 75 VAC 102 VDC 120 V 210 V 20 mm 10 kA 120 J 4800 pF - 55 C + 125 C Bulk
Littelfuse Varistors 95V 20mm Phenolic UltraMOV
Datasheet
1,340In Stock
Min.: 1
Mult.: 1

LV UltraMOV MOVs PCB Mount Radial 95 VAC 127 VDC 150 V 250 V 20 mm 10 kA 150 J 3700 pF - 55 C + 125 C Bulk
Littelfuse Varistors 320 VAC 546J 845V-CL 15KA-PK
Datasheet
2,076In Stock
Min.: 1
Mult.: 1

Xtreme MOVs PCB Mount Radial 320 VAC 410 VDC 510 V 845 V 23 mm 15 kA 546 J 1000 pF - 40 C + 125 C Bulk
Littelfuse Varistors 140V 250A 105pF 13 Inch Reel
Datasheet
637In Stock
4,000Expected 2026/06/24
MouseReel Available
Min.: 1
Mult.: 1
Reel: 4,000

CH MOVs PCB Mount SMD/SMT 3220 (8552 metric) 140 VAC 180 VDC 220 V 360 V 250 A 5 J 160 pF - 55 C + 125 C Reel, Cut Tape, MouseReel
Littelfuse Varistors 140V 250A 105pF 7 Inch Reel
Datasheet
235In Stock
2,000Expected 2026/06/03
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1,000

CH MOVs PCB Mount SMD/SMT 3220 (8552 metric) 140 VAC 180 VDC 220 V 360 V 250 A 5 J 160 pF - 55 C + 125 C Reel, Cut Tape, MouseReel