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 (CAD) 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
Max Surge Current
Surge Energy Rating
Capacitance
Minimum Operating Temperature
Maximum Operating Temperature
Qualification
Packaging

TDK Varistors 25VAC 10% 7mm StandarD
Datasheet
21,971In Stock
Min.: 1
Mult.: 1
: 7,500

Disc Varistor, StandarD 7mm MOVs PCB Mount Radial 25 VAC 31 VDC 39 V 77 V 7 mm 250 A 1.6 J 1.4 nF - 40 C + 105 C Reel, Cut Tape
TDK Varistors 30VAC 10% 7mm StandarD
Datasheet
37,714In Stock
Min.: 1
Mult.: 1

Disc Varistor, StandarD 7mm MOVs PCB Mount Radial 30 VAC 38 VDC 47 V 93 V 7 mm 250 A 2 J 1.2 nF - 40 C + 105 C Bulk
TDK Varistors 11VAC 10% 10mm StandarD
Datasheet
13,339In Stock
Min.: 1
Mult.: 1

Disc Varistor, StandarD 10mm MOVs PCB Mount Radial 11 VAC 14 VDC 18 V 36 V 10 mm 500 A 1.7 J 6.25 nF - 40 C + 105 C Bulk
TDK Varistors 230VAC 10% 14mm StandarD
Datasheet
9,584In Stock
Min.: 1
Mult.: 1

Disc Varistor,StandarD 14mm MOVs PCB Mount Radial 230 VAC 300 VDC 360 V 595 V 14 mm 4.5 kA 60 J 380 pF - 40 C + 105 C Bulk

TDK Varistors 20VAC 10% 20mm StandarD
Datasheet
4,078In Stock
Min.: 1
Mult.: 1
: 1,500

Disc Varistor, StandarD 20mm MOVs PCB Mount Radial 20 VAC 26 VDC 33 V 65 V 20 mm 2 kA 18 J 12 nF - 40 C + 105 C Reel, Cut Tape

TDK Varistors 50VAC 10% 7mm StandarD
Datasheet
11,786In Stock
Min.: 1
Mult.: 1
: 6,000

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 385VAC 10% 14mm AdvanceD
Datasheet
7,713In Stock
Min.: 1
Mult.: 1

Disc Varistor, AdvanceD 14mm MOVs PCB Mount Radial 385 VAC 505 VDC 620 V 1.025 kV 15.5 mm 5 kA 136 J 240 pF - 40 C + 105 C Bulk
TDK Varistors 250VAC 10% 14mm StandarD
Datasheet
14,002In 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 60VAC 10% 20mm StandarD
Datasheet
5,291In Stock
Min.: 1
Mult.: 1

Disc Varistor, StandarD 20mm MOVs PCB Mount Radial 60 VAC 85 VDC 100 V 165 V 20 mm 6.5 kA 33 J 3.6 nF - 40 C + 105 C Bulk
TDK Varistors 95VAC 10% 20mm StandarD
Datasheet
6,580In Stock
4,500Expected 2026-10-08
Min.: 1
Mult.: 1

Disc Varistor, StandarD 20mm MOVs PCB Mount Radial 95 VAC 125 VDC 150 V 250 V 21.5 mm 6.5 kA 50 J 2.5 nF - 40 C + 105 C Bulk
TDK Varistors 550VAC 10% 40mm High E
Datasheet
250In Stock
Min.: 1
Mult.: 1

Disc Varistor, High-Energy 40mm MOVs Chassis Mount Screw 550 VAC 745 VDC 910 V 1.5 kV 40 kA 960 J 1.4 nF - 40 C + 105 C Bulk
TDK Varistors 175VAC 10% 7mm StandarD
Datasheet
21,334In Stock
Min.: 1
Mult.: 1

Disc Varistor, StandarD 7mm MOVs PCB Mount Radial 175 VAC 225 VDC 270 V 455 V 7 mm 1.2 kA 13 J 150 pF - 40 C + 105 C Bulk
TDK Varistors 275VAC 10% 7mm AdvanceD
Datasheet
29,145In Stock
Min.: 1
Mult.: 1

Disc Varistor, AdvanceD 7mm MOVs PCB Mount Radial 275 VAC 350 VDC 430 V 710 V 7 mm 1.75 kA 27.5 J 95 pF - 40 C + 105 C Bulk
TDK Varistors Leaded Varistor, 240pF 625VAC, 825VDC
Datasheet
9,706In 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% 20mm StandarD
Datasheet
3,463In 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
TDK Varistors 20VAC 10% 5mm StandarD
Datasheet
14,614In 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
32,413In Stock
Min.: 1
Mult.: 1
: 4,500

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
: 6,000

Disc Varistor, StandarD 7mm MOVs PCB Mount Radial 35 VAC 45 VDC 56 V 110 V 7 mm 250 A 2.5 J 1.05 nF - 40 C + 105 C Reel, Cut Tape
TDK Varistors 20VAC 10% 7mm StandarD
Datasheet
29,123In 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 1.6 nF - 40 C + 105 C Bulk
TDK Varistors 275VAC 10% 10mm StandarD
Datasheet
28,215In Stock
26,500Expected 2026-09-04
Min.: 1
Mult.: 1

Disc Varistor, StandarD 10mm MOVs PCB Mount Radial 275 VAC 350 VDC 430 V 710 V 10 mm 2.5 kA 43 J 195 pF - 40 C + 105 C Bulk

TDK Varistors 385VAC 10% 14mm StandarD
Datasheet
6,795In Stock
Min.: 1
Mult.: 1
: 3,000

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 440VAC 10% 14mm StandarD
Datasheet
7,534In Stock
Min.: 1
Mult.: 1

Disc Varistor,StandarD 14mm MOVs PCB Mount Radial 440 VAC 585 VDC 715 V 1.18 kV 14 mm 4.5 kA 95 J 275 pF - 40 C + 105 C Bulk

TDK Varistors 14VAC 10% 14mm AEC-Q200
Datasheet
2,804In 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 10 nF - 40 C + 105 C AEC-Q100 Bulk

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 15.6 nF - 40 C + 105 C AEC-Q100 Bulk
TDK Varistors 420VAC 10% 25mm SuperioR
Datasheet
839In 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 1.15 nF - 40 C + 105 C Bulk