UltraMOV 20mm Varistors

Littelfuse UltraMOV 20mm Varistors meet high peak surge current rating requirements with an operating voltage range compatible with common AC line voltages (130VAC to 625VAC). These metal oxide varistors are available in various lead forms and are rated for ambient temperatures up to +85°C with no derating. The lead-free, 20mm varistors can operate at temperatures up to +125°C and are characterized for maximum standby current (leakage). These features make the Littelfuse 20mm UltraMOV varistor series ideal for AC line voltage applications, LED lighting applications, and more.

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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
Voltage Rating AC
Voltage Rating DC
Varistor Voltage
Clamping Voltage
Diameter
Max Surge Current
Surge Energy Rating
Capacitance
Minimum Operating Temperature
Maximum Operating Temperature
Packaging
Littelfuse Varistors 250V 20mm Epoxy UltraMOV
Datasheet
5 171In Stock
Min.: 1
Mult.: 1

UltraMOV MOVs PCB Mount Radial 250 VAC 320 VDC 351 V to 429 V 650 V 20 mm 10 kA 170 J 1 nF - 55 C + 85 C Bulk
Littelfuse Varistors 40V 20mm Epoxy UltraMOV
Datasheet
2 206In 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 8.5 nF - 40 C + 85 C Bulk
Littelfuse Varistors 95V 20mm Epoxy UltraMOV
Datasheet
2 174In 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 3.7 nF - 55 C + 85 C Bulk
Littelfuse Varistors 60V 20mm Epoxy UltraMOV
Datasheet
2 857In 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 5.2 nF - 55 C + 85 C Bulk
Littelfuse Varistors 230V 20mm Epoxy UltraMOV
Datasheet
1 735In Stock
Min.: 1
Mult.: 1

UltraMOV MOVs PCB Mount Radial 230 VAC 300 VDC 324 V to 396 V 595 V 20 mm 10 kA 160 J 1.1 nF - 55 C + 85 C Bulk
Littelfuse Varistors 23V 20mm Epoxy UltraMOV
Datasheet
12 290In 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 14 nF - 40 C + 85 C Bulk
Littelfuse Varistors 275V 20mm Epoxy UltraMOV
Datasheet
3 632In Stock
13 500On Order
Min.: 1
Mult.: 1

UltraMOV MOVs PCB Mount Radial 275 VAC 350 VDC 473 V 710 V 20 mm 10 kA 190 J 900 pF - 55 C + 85 C Bulk
Littelfuse Varistors 320V 20mm Epoxy UltraMOV
Datasheet
9 154In Stock
6 000Expected 02/11/2026
Min.: 1
Mult.: 1

UltraMOV MOVs PCB Mount Radial 320 VAC 420 VDC 459 V to 561 V 840 V 20 mm 10 kA 273 J 750 pF - 55 C + 85 C Bulk
Littelfuse Varistors 550V 20mm Epoxy UltraMOV
Datasheet
3 840In Stock
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 11V 20mm Epoxy UltraMOV
Datasheet
1 289In Stock
Min.: 1
Mult.: 1

LV UltraMOV MOVs PCB Mount Radial 11 VAC 14 VDC 18 V 36 V 20 mm 8 kA 25 J 26 nF - 40 C + 85 C Bulk
Littelfuse Varistors 140V 20mm Epoxy UltraMOV
Datasheet
1 447In Stock
1 000Expected 26/10/2026
Min.: 1
Mult.: 1

UltraMOV MOVs PCB Mount Radial 140 VAC 180 VDC 242 V 360 V 20 mm 10 kA 110 J 1.75 nF - 55 C + 85 C Bulk
Littelfuse Varistors 14V 20mm Epoxy UltraMOV
Datasheet
101In Stock
2 000On Order
Min.: 1
Mult.: 1

LV UltraMOV MOVs PCB Mount Radial 14 VAC 18 VDC 22 V 43 V 20 mm 8 kA 28 J 22.2 nF - 40 C + 85 C Bulk
Littelfuse Varistors 150V 20mm Epoxy UltraMOV
Datasheet
660In Stock
1 500Expected 16/11/2026
Min.: 1
Mult.: 1

UltraMOV MOVs PCB Mount Radial 150 VAC 200 VDC 216 V to 264 V 395 V 20 mm 10 kA 120 J 1.6 nF - 55 C + 85 C Bulk
Littelfuse Varistors 175V 20mm Epoxy UltraMOV
Datasheet
1 906In Stock
1 500Expected 10/03/2027
Min.: 1
Mult.: 1

UltraMOV MOVs PCB Mount Radial 175 VAC 225 VDC 243 V to 297 V 455 V 20 mm 10 kA 135 J 1.4 nF - 55 C + 85 C Bulk
Littelfuse Varistors 20V 20mm Epoxy UltraMOV
Datasheet
650In Stock
Min.: 1
Mult.: 1

LV UltraMOV MOVs PCB Mount Radial 20 VAC 26 VDC 33 V 65 V 20 mm 8 kA 58 J 15 nF - 40 C + 85 C Bulk
Littelfuse Varistors 25V 20mm Epoxy UltraMOV
Datasheet
1 638In 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 13.5 nF - 40 C + 85 C Bulk
Littelfuse Varistors 275V 20mm Epoxy UltraMOV
Datasheet
915In Stock
Min.: 1
Mult.: 1

UltraMOV MOVs PCB Mount Radial 275 VAC 350 VDC 473 V 710 V 20 mm 10 kA 190 J 900 pF - 55 C + 85 C Bulk
Littelfuse Varistors 275V 20mm Epoxy UltraMOV
Datasheet
384In Stock
2 000Expected 28/12/2026
Min.: 1
Mult.: 1
: 500

UltraMOV 350 VDC 710 V Reel, Cut Tape
Littelfuse Varistors 30V 20mm Epoxy UltraMOV
Datasheet
506In Stock
3 000Expected 18/11/2026
Min.: 1
Mult.: 1

LV UltraMOV MOVs PCB Mount Radial 30 VAC 38 VDC 47 V 93 V 20 mm 8 kA 90 J 12 nF - 40 C + 85 C Bulk
Littelfuse Varistors 320V 20mm Epoxy UltraMOV
Datasheet
1 200In Stock
Min.: 1
Mult.: 1
: 400

UltraMOV MOVs PCB Mount Radial 320 VAC 420 VDC 561 V 840 V 20 mm 10 kA 273 J 750 pF - 55 C + 85 C Reel, Cut Tape
Littelfuse Varistors 35V 20mm Epoxy UltraMOV
Datasheet
2 847In Stock
Min.: 1
Mult.: 1

LV UltraMOV MOVs PCB Mount Radial 35 VAC 45 VDC 56 V 110 V 20 mm 8 kA 115 J 10.5 nF - 40 C + 85 C Bulk
Littelfuse Varistors 385V 20mm Epoxy UltraMOV
Datasheet
1 644In Stock
Min.: 1
Mult.: 1

UltraMOV MOVs PCB Mount Radial 385 VAC 505 VDC 558 V to 682 V 1.025 kV 20 mm 10 kA 300 J 700 pF - 55 C + 85 C Bulk
Littelfuse Varistors 420V 20mm Epoxy UltraMOV
Datasheet
1 600In Stock
Min.: 1
Mult.: 1

UltraMOV MOVs PCB Mount Radial 420 VAC 560 VDC 612 V to 748 V 1.12 kV 20 mm 10 kA 320 J 600 pF - 55 C + 85 C Bulk
Littelfuse Varistors 440V 20mm Epoxy UltraMOV
Datasheet
1 350In 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 948In 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