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
Minimum Operating Temperature
Maximum Operating Temperature
Qualification
Packaging
Littelfuse Varistors 195 VAC
Datasheet
1 167In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 300

SM10 Varistors SMD/SMT SMD/SMT 15.26 mm x 8.5 mm x 14 mm 195 VAC 250 VDC 300 V 495 V 5 kA 65 J 540 pF - 40 C + 125 C Reel, Cut Tape, MouseReel
Littelfuse Varistors 210 VAC
Datasheet
197In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 300

SM10 Varistors SMD/SMT SMD/SMT 15.26 mm x 8.5 mm x 14 mm 210 VAC 270 VDC 330 V 545 V 5 kA 69 J 520 pF - 40 C + 125 C Reel, Cut Tape, MouseReel
Littelfuse Varistors 230 VAC
Datasheet
519In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 300

SM10 Varistors SMD/SMT SMD/SMT 15.26 mm x 8.5 mm x 14 mm 230 VAC 300 VDC 360 V 595 V 5 kA 75 J 500 pF - 40 C + 125 C Reel, Cut Tape, MouseReel
Littelfuse Varistors SURFACE MOUNT SM10 VARISTORS
Datasheet
1 150In Stock
1 200Expected 25/05/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 300

SM10 Varistors SMD/SMT SMD/SMT 15.26 mm x 8.5 mm x 14 mm 275 VAC 350 VDC 430 V 710 V 5 kA 83 J 420 pF - 40 C + 125 C Reel, Cut Tape, MouseReel
Littelfuse Varistors SURFACE MOUNT SM10 VARISTORS
Datasheet
289In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 300

SM10 Varistors SMD/SMT SMD/SMT 15.26 mm x 8.5 mm x 14 mm 320 VAC 420 VDC 510 V 840 V 5 kA 90 J 260 pF - 40 C + 125 C Reel, Cut Tape, MouseReel
Littelfuse Varistors 440 VAC
Datasheet
1 138In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 300

SM10 Varistors SMD/SMT SMD/SMT 15.26 mm x 8.5 mm x 14 mm 440 VAC 585 VDC 710 V 1.18 kV 5 kA 107 J 185 pF - 40 C + 125 C Reel, Cut Tape, MouseReel
Littelfuse Varistors 480 VAC
Datasheet
1 115In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 300

SM10 Varistors SMD/SMT SMD/SMT 15.26 mm x 8.5 mm x 14 mm 480 VAC 640 VDC 780 V 1.28 kV 5 kA 84 J 175 pF - 40 C + 125 C Reel, Cut Tape, MouseReel
Littelfuse Varistors 510 VAC
Datasheet
1 161In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 300

SM10 Varistors SMD/SMT SMD/SMT 15.26 mm x 8.5 mm x 14 mm 510 VAC 670 VDC 820 V 1.35 kV 5 kA 86 J 170 pF - 40 C + 125 C Reel, Cut Tape, MouseReel
Littelfuse Varistors 550 VAC
Datasheet
1 144In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 300

SM10 Varistors SMD/SMT SMD/SMT 15.26 mm x 8.5 mm x 14 mm 550 VAC 720 VDC 910 V 1.5 kV 5 kA 88 J 165 pF - 40 C + 125 C Reel, Cut Tape, MouseReel
Littelfuse Varistors 625 VAC
Datasheet
690In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 300

SM10 Varistors SMD/SMT SMD/SMT 15.26 mm x 8.5 mm x 14 mm 625 VAC 720 VDC 1 kV 1.65 kV 5 kA 90 J 160 pF - 40 C + 125 C Reel, Cut Tape, MouseReel
Littelfuse Varistors THERMALLY PROTECTED VARISTOR 14MM
Datasheet
1 440In Stock
Min.: 1
Mult.: 1
Reel: 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
2 594In Stock
Min.: 1
Mult.: 1

TMOV MOVs PCB Mount Radial 420 VAC 560 VDC 748 V 1.12 kV 14 mm 6 kA 160 J 300 pF - 55 C + 85 C Bulk
Littelfuse Varistors THERMALLY PROTECTED VARISTOR 20MM
Datasheet
Product Comments
1 384In Stock
Min.: 1
Mult.: 1

TMOV MOVs PCB Mount Radial 130 VAC 170 VDC 225.5 V 340 V 20 mm 10 kA 100 J 1900 pF - 55 C + 85 C Bulk
Littelfuse Varistors THERMALLY PROTECTED VARISTOR 20MM
Datasheet
6 046In Stock
Min.: 1
Mult.: 1

iTMOV MOVs PCB Mount Radial 130 VAC 170 VDC 225.5 V 340 V 20 mm 10 kA 100 J 1900 pF - 55 C + 85 C Bulk
Littelfuse Varistors THERMALLY PROTECTED VARISTOR 20MM
Datasheet
4 170In Stock
Min.: 1
Mult.: 1

TMOV MOVs PCB Mount Radial 150 VAC 200 VDC 264 V 395 V 20 mm 10 kA 120 J 1600 pF - 55 C + 85 C Bulk
Littelfuse Varistors THERMALLY PROTECTED VARISTOR 20MM
Datasheet
6 773In Stock
Min.: 1
Mult.: 1

iTMOV MOVs PCB Mount Radial 150 VAC 200 VDC 264 V 395 V 20 mm 10 kA 120 J 1600 pF - 55 C + 85 C Bulk
Littelfuse Varistors THERMALLY PROTECTED VARISTOR 20MM
Datasheet
5 720In Stock
Min.: 1
Mult.: 1

TMOV 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 THERMALLY PROTECTED VARISTOR 20MM
Datasheet
1 385In Stock
1 500Expected 20/04/2026
Min.: 1
Mult.: 1

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 Bulk
Littelfuse Varistors THERMALLY PROTECTED VARISTOR 20MM
Datasheet
1 431In 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
1 630In Stock
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
1 165In Stock
Min.: 1
Mult.: 1

TMOV MOVs PCB Mount Radial 575 VAC 1.568 kV 20 mm 10 kA 275 pF - 55 C + 85 C Bulk
Littelfuse Varistors THERMALLY PROTECTED VARISTOR 20MM
Datasheet
1 195In Stock
1 200Expected 08/06/2026
Min.: 1
Mult.: 1

TMOV MOVs PCB Mount Radial 625 VAC 825 VDC 1 kV 1.98 kV 20 mm 10 kA 480 J 175 pF - 55 C + 85 C Bulk
Littelfuse Varistors 150V 20KA SQ 25MM 25S ROHS / LEAD FREE
Datasheet
770In Stock
Min.: 1
Mult.: 1

TMOV MOVs PCB Mount Radial 150 VAC 200 VDC 216 V 390 V 25 mm 20 kA 220 J 2300 pF - 55 C + 85 C Bulk
Littelfuse Varistors 300V 20KA SQ 25MM PB FREE 25S
Datasheet
800In Stock
Min.: 1
Mult.: 1

TMOV MOVs PCB Mount Radial 300 VAC 385 VDC 517 V 765 V 25 mm 20 kA 370 J 1150 pF - 55 C + 85 C Bulk
Littelfuse Varistors 550V 20KA SQ 25MM 25S ROHS/PB FREE
Datasheet
506In Stock
Min.: 1
Mult.: 1

TMOV MOVs PCB Mount Radial 550 VAC 745 VDC 1.001 kV 1.475 kV 25 mm 20 kA 550 J 630 pF - 55 C + 85 C Bulk