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 (SGD) 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
TDK Varistors 1100VAC 10% 80mm High E
Datasheet
63In Stock
Min.: 1
Mult.: 1

Disc Varistor, High-Energy 80mm MOVs PCB Mount SMD/SMT 1.1 kVAC 1.465 kVDC 1.8 kV 2.97 kV 60 mm 100 kA 6 kJ 3200 pF - 40 C + 105 C Bulk
TDK Varistors 440VAC 10% 20mm StandarD
Datasheet
4,243In Stock
Min.: 1
Mult.: 1

Disc Varistor, StandarD 20mm MOVs PCB Mount Radial 440 VAC 585 VDC 715 V 1.18 kV 20 mm 8 kA 185 J 350 pF - 40 C + 105 C Bulk

TDK Varistors 150VAC 10% 10mm AdvanceD
Datasheet
6,235In Stock
Min.: 1
Mult.: 1
: 1,500

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 Reel, Cut Tape

TDK Varistors 50VAC 10% 7mm StandarD
Datasheet
12,086In Stock
Min.: 1
Mult.: 1
: 1,500

Disc Varistor, StandarD 7mm MOVs PCB Mount Radial 50 VAC 65 VDC 82 V 135 V 7 mm 1.2 kA 4.2 J 530 pF - 40 C + 105 C Reel, Cut Tape

TDK Varistors 130VAC 10% 10mm StandarD
Datasheet
13,597In Stock
Min.: 1
Mult.: 1

Disc Varistor, StandarD 10mm MOVs PCB Mount Radial 130 VAC 170 VDC 205 V 340 V 10 mm 2.5 kA 19 J 400 pF - 40 C + 105 C Bulk

TDK Varistors 275VAC 10% 14mm StandarD
Datasheet
7,672In Stock
Min.: 1
Mult.: 1
: 1,000

Disc Varistor,StandarD 14mm MOVs PCB Mount Radial 275 VAC 350 VDC 430 V 710 V 15.5 mm 4.5 kA 71 J 320 pF - 40 C + 105 C Reel, Cut Tape

TDK Varistors 275VAC 10% 14mm StandarD
Datasheet
13,645In Stock
Min.: 1
Mult.: 1
: 1,000

Disc Varistor,StandarD 14mm MOVs PCB Mount Radial 275 VAC 350 VDC 430 V 710 V 14 mm 4.5 kA 71 J 440 pF - 40 C + 105 C Reel, Cut Tape
TDK Varistors 250VAC 10% 14mm StandarD
Datasheet
15,795In Stock
Min.: 1
Mult.: 1

Disc Varistor,StandarD 14mm MOVs PCB Mount Radial 250 VAC 320 VDC 390 V 650 V 14 mm 4.5 kA 65 J 350 pF - 40 C + 105 C Bulk
TDK Varistors 20VAC 10% 5mm StandarD
Datasheet
14,662In Stock
Min.: 1
Mult.: 1

Disc Varistor, StandarD 5mm MOVs PCB Mount Radial 20 VAC 26 VDC 33 V 65 V 5 mm 100 A 600 mJ 980 pF - 40 C + 105 C Bulk

TDK Varistors 130VAC 10% 7mm StandarD
Datasheet
13,511In Stock
6,000Expected 2/8/2026
Min.: 1
Mult.: 1
: 1,500

Disc Varistor, StandarD 7mm MOVs PCB Mount Radial 130 VAC 170 VDC 205 V 340 V 7 mm 1.2 kA 9.5 J 245 pF - 40 C + 105 C Reel, Cut Tape

TDK Varistors 35VAC 10% 7mm StandarD
Datasheet
21,828In Stock
Min.: 1
Mult.: 1
: 1,500

Disc Varistor, StandarD 7mm MOVs PCB Mount Radial 35 VAC 45 VDC 56 V 110 V 7 mm 250 A 2.5 J 1050 pF - 40 C + 105 C Reel, Cut Tape
TDK Varistors 20VAC 10% 7mm StandarD
Datasheet
30,432In Stock
Min.: 1
Mult.: 1

Disc Varistor, StandarD 7mm MOVs PCB Mount Radial 20 VAC 26 VDC 33 V 65 V 7 mm 250 A 1.3 J 1600 pF - 40 C + 105 C Bulk

TDK Varistors 385VAC 10% 14mm StandarD
Datasheet
6,795In Stock
Min.: 1
Mult.: 1
: 1,000

Disc Varistor,StandarD 14mm MOVs PCB Mount Radial 385 VAC 505 VDC 620 V 1.025 kV 14 mm 4.5 kA 80 J 315 pF - 40 C + 105 C Reel, Cut Tape

TDK Varistors 14VAC 10% 14mm AEC-Q200
Datasheet
2,970In Stock
Min.: 1
Mult.: 1

Disc Varistor, Auto-Grade 14mm MOVs PCB Mount Radial 14 VAC 16 VDC 22 V 43 V 17 mm 1 kA 4 J 0.01 uF - 40 C + 105 C AEC-Q100 Bulk
TDK Varistors 420VAC 10% 25mm SuperioR
Datasheet
1,058In Stock
Min.: 1
Mult.: 1

Disc Varistor, SuperioR 25mm MOVs PCB Mount Radial 420 VAC 560 VDC 680 V 1.12 kV 27.5 mm 20 kA 700 J 1150 pF - 40 C + 105 C Bulk
TDK Varistors 140VAC 10% 10mm AdvanceD
Datasheet
10,637In Stock
Min.: 1
Mult.: 1

Disc Varistor, AdvanceD 10mm MOVs PCB Mount Radial 140 VAC 180 VDC 220 V 360 V 12 mm 3.5 kA 27.5 J 370 pF - 40 C + 105 C Bulk
TDK Varistors 680VAC 10% 10mm AdvanceD
Datasheet
3,918In Stock
Min.: 1
Mult.: 1

Disc Varistor, AdvanceD 10mm MOVs PCB Mount Radial 680 VAC 895 VDC 1.1 kV 1.815 kV 12 mm 3.5 kA 110 J 85 pF - 40 C + 105 C Bulk
TDK Varistors 420VAC 10% 20mm SuperioR MP
Datasheet
16,162In Stock
Min.: 1
Mult.: 1

Disc Varistor, Multi-Pulse SuperioR 20mm MOVs PCB Mount Radial 2220 (5750 metric) 420 VAC 560 VDC 680 V 1.12 kV 20 mm 12 kA 405 J 730 pF - 40 C + 105 C Bulk
TDK Varistors 130VAC 10% 20mm StandarD
Datasheet
7,336In Stock
Min.: 1
Mult.: 1

Disc Varistor, StandarD 20mm MOVs PCB Mount Radial 130 VAC 170 VDC 205 V 340 V 20 mm 8 kA 74 J 1340 pF - 40 C + 105 C Bulk

TDK Varistors 320VAC 10% 25mm SuperioR
Datasheet
3,231In Stock
Min.: 1
Mult.: 1

Disc Varistor, SuperioR 25mm MOVs PCB Mount Radial 320 VAC 420 VDC 510 V 840 V 27.5 mm 20 kA 445 J 1600 pF - 40 C + 105 C Bulk
TDK Varistors 750VAC 10% 40mm High E
Datasheet
276In Stock
Min.: 1
Mult.: 1

Disc Varistor, High-Energy 40mm MOVs Chassis Mount Screw 750 VAC 970 VDC 1.2 kV 2 kV 40 kA 1200 J 1000 pF - 40 C + 105 C Bulk
TDK Varistors 420VAC 10% 14mm MP AdvanceD
Datasheet
3,712In Stock
Min.: 1
Mult.: 1

Disc Varistor, Multi_Pulse AdvanceD 14mm MOVs PCB Mount Radial 420 VAC 560 VDC 680 V 1.12 kV 16.5 mm 6 kA 190 J 355 pF - 40 C + 105 C Bulk
TDK Varistors Leaded Varistor, 240pF 625VAC, 825VDC
Datasheet
9,951In Stock
Min.: 1
Mult.: 1

Disc Varistor, Multi_Pulse AdvanceD 14mm MOVs PCB Mount Radial 625 VAC 825 VDC 1 kV 1.65 kV 17 mm 6 kA 240 J 240 pF - 40 C + 105 C Bulk

TDK Varistors 680VAC 10% 14mm StandarD
Datasheet
8,395In Stock
Min.: 1
Mult.: 1
: 350

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 Reel, Cut Tape
TDK Varistors 680VAC 10% 20mm StandarD
Datasheet
3,572In Stock
Min.: 1
Mult.: 1

Disc Varistor, StandarD 20mm MOVs PCB Mount Radial 680 VAC 895 VDC 1.1 kV 1.815 kV 21.5 mm 6.5 kA 250 J 340 pF - 40 C + 105 C Bulk