SIOV Metal Oxide Varistors

TDK SIOV Metal Oxide Varistors feature a wide operating voltage range of 11 to 1100VRMS. These devices offer high surge current ratings up to 8kA and no derating up to 105°C ambient temperature. The SIOV leaded varistors meet new UL 1449 3rd Edition requirements. TDK SIOV Metal Oxide Varistors applications include lighting, radio and TV equipment, and household appliances.

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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
TDK Varistors 320VAC 10% 14mm StandarD
Datasheet
21.608In Stock
Min.: 1
Mult.: 1

Disc Varistor,StandarD 14mm MOVs PCB Mount Radial 320 VAC 420 VDC 510 V 840 V 14 mm 4.5 kA 84 J 280 pF - 40 C + 105 C Bulk
TDK Varistors 420VAC 10% 14mm StandarD
Datasheet
4.750In Stock
Min.: 1
Mult.: 1

Disc Varistor,StandarD 14mm MOVs PCB Mount Radial 420 VAC 560 VDC 680 V 1.12 kV 14 mm 4.5 kA 90 J 220 pF - 40 C + 105 C Bulk
TDK Varistors 460VAC 10% 14mm StandarD
Datasheet
18.062In Stock
Min.: 1
Mult.: 1

Disc Varistor,StandarD 14mm MOVs PCB Mount Radial 460 VAC 615 VDC 700 V 1.24 kV 14 mm 4.5 kA 100 J 200 pF - 40 C + 105 C Bulk
TDK Varistors 50VAC 10% 14mm StandarD
Datasheet
19.457In Stock
Min.: 1
Mult.: 1

Disc Varistor,StandarD 14mm MOVs PCB Mount Radial 50 VAC 65 VDC 82 V 135 V 14 mm 4.5 kA 15 J 1800 pF - 40 C + 105 C Bulk
TDK Varistors 680VAC 10% 14mm StandarD
Datasheet
5.715In Stock
6.000Expected 8/10/2026
Min.: 1
Mult.: 1

Disc Varistor,StandarD 14mm MOVs PCB Mount Radial 680 VAC 895 VDC 1.1 kV 1.815 kV 14 mm 4.5 kA 140 J 180 pF - 40 C + 105 C Bulk
TDK Varistors 75VAC 10% 14mm StandarD
Datasheet
12.626In Stock
Min.: 1
Mult.: 1

Disc Varistor,StandarD 14mm MOVs PCB Mount Radial 75 VAC 100 VDC 120 V 200 V 14 mm 4.5 kA 20 J 1370 pF - 40 C + 105 C Bulk
TDK Varistors 275VAC 10% 20mm SuperioR MP
Datasheet
2.984In Stock
Min.: 1
Mult.: 1

Disc Varistor, Multi-Pulse SuperioR 20mm MOVs PCB Mount Radial 275 VAC 350 VDC 430 V 710 V 22.5 mm 12 kA 280 J 1150 pF - 40 C + 105 C Bulk
TDK Varistors 300VAC 10% 20mm SuperioR MP
Datasheet
2.971In Stock
Min.: 1
Mult.: 1

Disc Varistor, Multi-Pulse SuperioR 20mm MOVs PCB Mount Radial 300 VAC 385 VDC 470 V 775 V 22.5 mm 12 kA 305 J 1050 pF - 40 C + 105 C Bulk
TDK Varistors 1000VAC 10% 20mm StandarD
Datasheet
1.117In Stock
4.640Expected 8/24/2026
Min.: 1
Mult.: 1

Disc Varistor, StandarD 20mm MOVs PCB Mount Radial 1.1 kVAC 1.465 kVDC 1.8 kV 2.97 kV 21.5 mm 6.5 kA 410 J 210 pF - 40 C + 105 C Bulk

TDK Varistors 20VAC 10% 20mm StandarD
Datasheet
4.078In Stock
Min.: 1
Mult.: 1
: 500

Disc Varistor, StandarD 20mm MOVs PCB Mount Radial 20 VAC 26 VDC 33 V 65 V 20 mm 2 kA 18 J 0.012 uF - 40 C + 105 C Reel, Cut Tape

TDK Varistors 30VAC 10% 20mm AEC-Q200
Datasheet
1.191In Stock
Min.: 1
Mult.: 1

Disc Varistor, Auto-Grade 20mm MOVs PCB Mount Radial 30 VAC 34 VDC 47 V 93 V 23 mm 2 kA 100 J 9400 pF - 40 C + 105 C AEC-Q100 Bulk
TDK Varistors 150VAC 10% 20mm StandarD
Datasheet
6.847In Stock
Min.: 1
Mult.: 1

Disc Varistor, StandarD 20mm MOVs PCB Mount Radial 150 VAC 200 VDC 240 V 395 V 20 mm 8 kA 85 J 1160 pF - 40 C + 105 C Bulk
TDK Varistors 175VAC 10% 20mm StandarD
Datasheet
5.036In Stock
Min.: 1
Mult.: 1

Disc Varistor, StandarD 20mm MOVs PCB Mount Radial 175 VAC 225 VDC 270 V 455 V 20 mm 8 kA 98 J 1000 pF - 40 C + 105 C Bulk
TDK Varistors 130VAC 10% 20mm AdvanceD
Datasheet
6.600In Stock
Min.: 1
Mult.: 1

Disc Varistor, AdvanceD 20mm MOVs PCB Mount Radial 130 VAC 170 VDC 205 V 340 V 20 mm 10 kA 100 J 1340 pF - 40 C + 105 C Bulk
TDK Varistors 210VAC 10% 20mm AdvanceD
Datasheet
4.283In Stock
Min.: 1
Mult.: 1

Disc Varistor, AdvanceD 20mm MOVs PCB Mount Radial 210 VAC 270 VDC 330 V 10 kA 160 J 835 pF - 40 C + 105 C Bulk
TDK Varistors 275VAC 10% 20mm AdvanceD
Datasheet
5.409In Stock
Min.: 1
Mult.: 1

Disc Varistor, AdvanceD 20mm MOVs PCB Mount Radial 275 VAC 350 VDC 430 V 710 V 21.5 mm 1 kA 215 J 850 pF - 40 C + 105 C Bulk
TDK Varistors 300VAC 10% 20mm AdvanceD
Datasheet
22.913In Stock
16.800Expected 7/30/2026
Min.: 1
Mult.: 1

Disc Varistor, AdvanceD 20mm MOVs PCB Mount Radial 470 VAC 385 VDC 470 V 775 V 21.5 mm 1 kA 250 J 780 pF - 40 C + 105 C Bulk
TDK Varistors 230VAC 10% 20mm StandarD
Datasheet
4.864In Stock
Min.: 1
Mult.: 1

Disc Varistor, StandarD 20mm MOVs PCB Mount Radial 230 VAC 300 VDC 360 V 595 V 20 mm 8 kA 130 J 760 pF - 40 C + 105 C Bulk
TDK Varistors 385VAC 10% 20mm AdvanceD
Datasheet
3.246In Stock
Min.: 1
Mult.: 1

Disc Varistor, AdvanceD 20mm MOVs PCB Mount Radial 385 VAC 505 VDC 620 V 1.025 kV 21.5 mm 10 kA 273 J 600 pF - 40 C + 105 C Bulk
TDK Varistors 420VAC 10% 20mm AdvanceD
Datasheet
6.874In Stock
Min.: 1
Mult.: 1

Disc Varistor, AdvanceD 20mm MOVs PCB Mount Radial 420 VAC 560 VDC 680 V 1.12 kV 21.5 mm 10 kA 273 J 420 pF - 40 C + 105 C Bulk
TDK Varistors 25VAC 10% 20mm StandarD
Datasheet
3.522In Stock
4.500Expected 6/30/2026
Min.: 1
Mult.: 1

Disc Varistor, StandarD 20mm MOVs PCB Mount Radial 25 VAC 31 VDC 39 V 77 V 20 mm 2 kA 22 J 0.0111 uF - 40 C + 105 C Bulk
TDK Varistors 510VAC 10% 20mm AdvanceD
Datasheet
5.982In Stock
4.800Expected 7/23/2026
Min.: 1
Mult.: 1

Disc Varistor, AdvanceD 20mm MOVs PCB Mount Radial 510 VAC 670 VDC 820 V 1.355 kV 21.5 mm 10 kA 325 J 340 pF - 40 C + 105 C Bulk
TDK Varistors 250VAC 10% 20mm StandarD
Datasheet
10.008In Stock
Min.: 1
Mult.: 1

Disc Varistor, StandarD 20mm MOVs PCB Mount Radial 250 VAC 320 VDC 390 V 650 V 20 mm 8 kA 140 J 700 pF - 40 C + 105 C Bulk

TDK Varistors 550VAC 10% 20mm AdvanceD
Datasheet
5.164In Stock
Min.: 1
Mult.: 1

Disc Varistor, AdvanceD 20mm MOVs PCB Mount Radial 550 VAC 745 VDC 910 V 1.5 kV 21.5 mm 10 kA 360 J 320 pF - 40 C + 105 C Bulk
TDK Varistors 680VAC 10% 20mm AdvanceD
Datasheet
2.229In Stock
Min.: 1
Mult.: 1

Disc Varistor, AdvanceD 20mm MOVs PCB Mount Radial 680 VAC 895 VDC 1.1 kV 1.815 kV 21.5 mm 10 kA 440 J 250 pF - 40 C + 105 C Bulk