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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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
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Packaging
TDK Varistors 320VAC 10% 14mm StandarD
Datasheet
24 808In 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 460VAC 10% 14mm StandarD
Datasheet
5 787In Stock
12 600Expected 09/06/2026
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 275VAC 10% 20mm SuperioR MP
Datasheet
3 059In 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 982In 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 320VAC 10% 20mm SuperioR MP
Datasheet
7 346In Stock
Min.: 1
Mult.: 1

Disc Varistor, Multi-Pulse SuperioR 20mm MOVs PCB Mount Radial 320 VAC 420 VDC 510 V 840 V 22.5 mm 12 kA 330 J 1000 pF - 40 C + 105 C Bulk
TDK Varistors 1000VAC 10% 20mm StandarD
Datasheet
1 287In Stock
4 800Expected 22/06/2026
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 086In 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 17VAC 10% 20mm AEC-Q200
Datasheet
1 511In Stock
Min.: 1
Mult.: 1

Disc Varistor, Auto-Grade 20mm MOVs PCB Mount Radial 17 VAC 20 VDC 27 V 53 V 7 mm 2 kA 14 J 0.0156 uF - 40 C + 105 C AEC-Q100 Bulk

TDK Varistors 25VAC 10% 20mm AEC-Q200
Datasheet
1 812In Stock
Min.: 1
Mult.: 1

Disc Varistor, Auto-Grade 20mm MOVs PCB Mount Radial 25 VAC 28 VDC 39 V 77 V 23 mm 2 kA 100 J 0.0111 uF - 40 C + 105 C AEC-Q100 Bulk

TDK Varistors 30VAC 10% 20mm AEC-Q200
Datasheet
1 691In 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 902In 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 603In 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 175VAC 10% 20mm AdvanceD
Datasheet
4 903In Stock
Min.: 1
Mult.: 1

Disc Varistor, AdvanceD 20mm MOVs PCB Mount Radial 175 VAC 225 VDC 270 V 455 V 21.5 mm 10 kA 135 J 1000 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
6 682In 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
23 162In Stock
16 800Expected 30/07/2026
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 879In 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 923In 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 460VAC 10% 20mm AdvanceD
Datasheet
2 363In Stock
Min.: 1
Mult.: 1

Disc Varistor, AdvanceD 20mm MOVs PCB Mount Radial 460 VAC 615 VDC 750 V 1.24 kV 21.5 mm 10 kA 300 J 380 pF - 40 C + 105 C Bulk
TDK Varistors 25VAC 10% 20mm StandarD
Datasheet
4 796In Stock
4 500Expected 24/06/2026
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
7 212In Stock
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 158In 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 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
TDK Varistors 275VAC 10% 20mm StandarD
Datasheet
15 788In Stock
12 600Expected 13/07/2026
Min.: 1
Mult.: 1

Disc Varistor, StandarD 20mm MOVs PCB Mount Radial 275 VAC 350 VDC 430 V 710 V 20 mm 8 kA 151 J 630 pF - 40 C + 105 C Bulk