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 (GBP) 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
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Minimum Operating Temperature
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Packaging

TDK Varistors 50VAC 10% 10mm StandarD
Datasheet
61In Stock
Min.: 1
Mult.: 1
: 3,000

Disc Varistor, StandarD 10mm MOVs PCB Mount Radial 50 VAC 65 VDC 82 V 135 V 10 mm 500 A 8.4 J 950 pF - 40 C + 105 C Reel, Cut Tape

TDK Varistors 95VAC 10% 10mm StandarD
Datasheet
5,961In Stock
Min.: 1
Mult.: 1
: 3,000

Disc Varistor, StandarD 10mm MOVs PCB Mount Radial 95 VAC 125 VDC 150 V 250 V 10 mm 500 A 15 J 690 pF - 40 C + 105 C Reel, Cut Tape
TDK Varistors 11VAC 10% 10mm StandarD
Datasheet
1,678In Stock
3,000Expected 08/10/2026
Min.: 1
Mult.: 1

Disc Varistor, StandarD 10mm MOVs PCB Mount Radial 125 VAC 150 VDC 180 V 300 V 10 mm 2.5 kA 18 J 445 pF - 40 C + 105 C Bulk
TDK Varistors 14VAC 10% 10mm StandarD
Datasheet
7,261In Stock
Min.: 1
Mult.: 1

Disc Varistor, StandarD 10mm MOVs PCB Mount Radial 14 VAC 18 VDC 22 V 43 V 10 mm 500 A 2 J 5.2 nF - 40 C + 105 C Bulk
TDK Varistors 140VAC 10% 10mm StandarD
Datasheet
3,177In Stock
Min.: 1
Mult.: 1

Disc Varistor, StandarD 10mm MOVs PCB Mount Radial 140 VAC 180 VDC 220 V 360 V 10 mm 2.5 kA 22 J 370 pF - 40 C + 105 C Bulk

TDK Varistors 150VAC 10% 10mm StandarD
Datasheet
5,429In Stock
15,000Expected 27/10/2026
Min.: 1
Mult.: 1

Disc Varistor, StandarD 10mm MOVs PCB Mount Radial 150 VAC 200 VDC 240 V 395 V 10 mm 2.5 kA 24 J 350 pF - 40 C + 105 C Bulk

TDK Varistors 150VAC 10% 10mm StandarD
Datasheet
3,815In Stock
6,000Expected 25/08/2026
Min.: 1
Mult.: 1
: 3,000

Disc Varistor, StandarD 10mm MOVs PCB Mount Radial 150 VAC 200 VDC 240 V 395 V 10 mm 2.5 kA 24 J 430 pF - 40 C + 105 C Reel, Cut Tape
TDK Varistors 17VAC 10% 10mm StandarD
Datasheet
1,520In Stock
3,000Expected 08/10/2026
Min.: 1
Mult.: 1

Disc Varistor, StandarD 10mm MOVs PCB Mount Radial 17 VAC 22 VDC 27 V 53 V 10 mm 500 A 2.5 J 4.35 nF - 40 C + 105 C Bulk
TDK Varistors 130VAC 10% 10mm AdvanceD
Datasheet
1,150In Stock
Min.: 1
Mult.: 1

Disc Varistor, AdvanceD 10mm MOVs PCB Mount Radial 130 VAC 170 VDC 205 V 340 V 12 mm 3.5 kA 25 J 400 pF - 40 C + 105 C Bulk
TDK Varistors 150VAC 10% 10mm AdvanceD
Datasheet
4,027In Stock
Min.: 1
Mult.: 1

Disc Varistor, AdvanceD 10mm MOVs PCB Mount Radial 150 VAC 200 VDC 240 V 395 V 12 mm 3.5 kA 30 J 430 pF - 40 C + 105 C Bulk
TDK Varistors 175VAC 10% 10mm AdvanceD
Datasheet
3,300In Stock
Min.: 1
Mult.: 1

Disc Varistor, AdvanceD 10mm MOVs PCB Mount Radial 175 VAC 225 VDC 270 V 455 V 12 mm 3.5 kA 35 J 300 pF - 40 C + 105 C Bulk
TDK Varistors 230VAC 10% 10mm AdvanceD
Datasheet
2,578In Stock
Min.: 1
Mult.: 1

Disc Varistor, AdvanceD 10mm MOVs PCB Mount Radial 230 VAC 300 VDC 360 V 595 V 12 mm 3.5 kA 45 J 230 pF - 40 C + 105 C Bulk
TDK Varistors 250VAC 10% 10mm AdvanceD
Datasheet
4,624In Stock
Min.: 1
Mult.: 1

Disc Varistor, AdvanceD 10mm MOVs PCB Mount Radial 250 VAC 320 VDC 390 V 650 V 12 mm 3.5 kA 50 J 245 pF - 40 C + 105 C Bulk

TDK Varistors 250VAC 10% 10mm AdvanceD
Datasheet
2,998In Stock
Min.: 1
Mult.: 1
: 3,000

Disc Varistor, AdvanceD 10mm MOVs PCB Mount Radial 250 VAC 320 VDC 390 V 650 V 12 mm 3.5 kA 50 J 245 pF - 40 C + 105 C Reel, Cut Tape

TDK Varistors 275VAC 10% 10mm AdvanceD
Datasheet
6,379In Stock
Min.: 1
Mult.: 1
: 3,000

Disc Varistor, AdvanceD 10mm PCB Mount Radial 275 VAC - 40 C + 105 C Reel, Cut Tape

TDK Varistors 275VAC 10% 10mm AdvanceD
Datasheet
1,461In Stock
Min.: 1
Mult.: 1
: 3,000

Disc Varistor, AdvanceD 10mm MOVs PCB Mount Radial 275 VAC 350 VDC 430 V 710 V 12 mm 3.5 kA 55 J 220 pF - 40 C + 105 C Reel, Cut Tape
TDK Varistors 300VAC 10% 10mm AdvanceD
Datasheet
12,837In Stock
Min.: 1
Mult.: 1

Disc Varistor, AdvanceD 10mm MOVs PCB Mount Radial 300 VAC 385 VDC 470 V 775 V 12 mm 3.5 kA 60 J 180 pF - 40 C + 105 C Bulk
TDK Varistors 230VAC 10% 10mm StandarD
Datasheet
5,573In Stock
Min.: 1
Mult.: 1

Disc Varistor, StandarD 10mm MOVs PCB Mount Radial 230 VAC 300 VDC 360 V 595 V 10 mm 2.5 kA 36 J 230 pF - 40 C + 105 C Bulk
TDK Varistors 320VAC 10% 10mm AdvanceD
Datasheet
2,381In Stock
Min.: 1
Mult.: 1

Disc Varistor, AdvanceD 10mm MOVs PCB Mount Radial 320 VAC 420 VDC 510 V 840 V 12 mm 3.5 kA 67 J 170 pF - 40 C + 105 C Bulk
TDK Varistors 385VAC 10% 10mm AdvanceD
Datasheet
1,278In Stock
3,000Expected 14/09/2026
Min.: 1
Mult.: 1

Disc Varistor, AdvanceD 10mm MOVs PCB Mount Radial 385 VAC 505 VDC 620 V 1.025 kV 12 mm 5 kA 67 J 150 pF - 40 C + 105 C Bulk
TDK Varistors 420VAC 10% 10mm AdvanceD
Datasheet
2,389In Stock
Min.: 1
Mult.: 1

Disc Varistor, AdvanceD 10mm MOVs PCB Mount Radial 420 VAC 560 VDC 680 V 1.12 kV 12 mm 3.5 kA 67 J 135 pF - 40 C + 105 C Bulk
TDK Varistors 510VAC 10% 10mm AdvanceD
Datasheet
1,163In Stock
6,000Expected 27/10/2026
Min.: 1
Mult.: 1

Disc Varistor, AdvanceD 10mm MOVs PCB Mount Radial 510 VAC 670 VDC 820 V 1.355 kV 12 mm 3.5 kA 80 J 110 pF - 40 C + 105 C Bulk

TDK Varistors 250VAC 10% 10mm StandarD
Datasheet
158In Stock
Min.: 1
Mult.: 1
: 4,800

B722xxS2 MOVs PCB Mount Radial 250 VAC 320 VDC 390 V 650 V 0.8 mm 2.5 kA 38 J 245 pF - 40 C + 105 C Reel, Cut Tape

TDK Varistors 550VAC 10% 10mm AdvanceD
Datasheet
743In Stock
Min.: 1
Mult.: 1

Disc Varistor, AdvanceD 10mm MOVs PCB Mount Radial 550 VAC 745 VDC 910 V 1.5 kV 12 mm 3.5 kA 90 J 105 pF - 40 C + 105 C Bulk
TDK Varistors 625VAC 10% 10mm AdvanceD
Datasheet
54In Stock
Min.: 1
Mult.: 1

Disc Varistor, AdvanceD 10mm MOVs PCB Mount Radial 625 VAC 825 VDC 1 kV 1.65 kV 12 mm 3.5 kA 100 J 90 pF - 40 C + 105 C Bulk