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 (USD) 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 1100VAC 10% 80mm High E
Datasheet
61In 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 3.2 nF - 40 C + 105 C Bulk
TDK Varistors 150VAC 10% 80mm High E
Datasheet
20In Stock
Min.: 1
Mult.: 1

Disc Varistor, High-Energy 80mm MOVs PCB Mount SMD/SMT 150 VAC 200 VDC 240 V 395 V 80 mm 100 kA 800 J 23 nF - 40 C + 105 C Bulk

TDK Varistors 50VAC 10% 7mm StandarD
Datasheet
3,835In Stock
Min.: 1
Mult.: 1
: 4,500

Disc Varistor, StandarD 7mm MOVs PCB Mount Radial 50 VAC 65 VDC 82 V 135 V 7 mm 250 A 4.2 J 530 pF - 40 C + 105 C Reel, Cut Tape

TDK Varistors 230VAC 10% 14mm StandarD
Datasheet
562In Stock
Min.: 1
Mult.: 1
: 3,000

Disc Varistor,StandarD 14mm MOVs PCB Mount Radial 230 VAC 300 VDC 360 V 595 V 14 mm 4.5 kA 60 J 530 pF - 40 C + 105 C Reel, Cut Tape

TDK Varistors 130VAC 10% 5mm StandarD
Datasheet
4,409In Stock
Min.: 1
Mult.: 1
: 4,500

Disc Varistor, StandarD 5mm MOVs PCB Mount Radial 130 VAC 170 VDC 205 V 340 V 5 mm 400 A 4.2 J 135 pF - 40 C + 105 C Reel, Cut Tape

TDK Varistors 275VAC 10% 7mm StandarD
Datasheet
2,364In Stock
Min.: 1
Mult.: 1
: 6,000

Disc Varistor, StandarD 7mm MOVs PCB Mount Radial 275 VAC 350 VDC 430 V 710 V 7 mm 1.2 kA 21 J 110 pF - 40 C + 105 C Reel, Cut Tape

TDK Varistors 150VAC 10% 10mm AdvanceD
Datasheet
32Expected 9/8/2026
Min.: 1
Mult.: 1
: 3,000

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 95VAC 10% 14mm StandarD
Datasheet
1,190In Stock
Min.: 1
Mult.: 1
: 3,000

Disc Varistor,StandarD 14mm MOVs PCB Mount Radial 95 VAC 125 VDC 150 V 250 V 14 mm 1 kA 25 J 1.2 nF - 40 C + 105 C Reel, Cut Tape

TDK Varistors 385VAC 10% 7mm AdvanceD
Datasheet
4,923In Stock
Min.: 1
Mult.: 1

Disc Varistor, AdvanceD 7mm MOVs PCB Mount Radial 385 VAC 7 mm - 40 C + 105 C Bulk
TDK Varistors 440VAC 10% 5mm StandarD
Datasheet
3,258In Stock
Min.: 1
Mult.: 1

Disc Varistor, StandarD 5mm MOVs PCB Mount Radial 440 VAC 585 VDC 715 V 1.18 kV 5 mm 400 A 16 J 32 pF - 40 C + 105 C Bulk

TDK Varistors 25VAC 10% 10mm StandarD
Datasheet
573In Stock
Min.: 1
Mult.: 1
: 3,000

Disc Varistor, StandarD 10mm MOVs PCB Mount Radial 25 VAC 31 VDC 39 V 77 V 10 mm 500 A 3.7 J 3.2 nF - 40 C + 105 C Reel, Cut Tape

TDK Varistors 25VAC 10% 5mm StandarD
Datasheet
4,230In Stock
Min.: 1
Mult.: 1
: 4,500

Disc Varistor, StandarD 5mm MOVs PCB Mount Radial 25 VAC 31 VDC 39 V 77 V 5 mm 100 A 700 mJ 850 pF - 40 C + 105 C Reel, Cut Tape

TDK Varistors 300VAC 10% 7mm StandarD
Datasheet
1,054In Stock
Min.: 1
Mult.: 1
: 6,000

Disc Varistor, StandarD 7mm MOVs PCB Mount Radial 300 VAC 385 VDC 470 V 775 V 7 mm 1.2 kA 23 J 100 pF - 40 C + 105 C Reel, Cut Tape
TDK Varistors 40VAC 10% 10mm StandarD
Datasheet
8,530In Stock
Min.: 1
Mult.: 1

Disc Varistor, StandarD 10mm MOVs PCB Mount Radial 40 VAC 56 VDC 68 V 135 V 10 mm 500 A 6.4 J 2.1 nF - 40 C + 105 C Bulk

TDK Varistors 14VAC 10% 7mm AEC-Q200
Datasheet
4,472In Stock
Min.: 1
Mult.: 1

Disc Varistor, Auto-Grade 7mm MOVs PCB Mount Radial 14 VAC 16 VDC 22 V 43 V 7 mm 250 A 900 mJ 2.3 nF - 40 C + 105 C AEC-Q100 Bulk
TDK Varistors 140VAC 10% 7mm AdvanceD
Datasheet
90In Stock
Min.: 1
Mult.: 1

Disc Varistor, AdvanceD 7mm MOVs PCB Mount Radial 140 VAC 180 VDC 220 V 7 mm 1.75 kA 13.5 J 180 pF - 40 C + 105 C Bulk
TDK Varistors 40VAC 10% 7mm StandarD
Datasheet
9,605In Stock
Min.: 1
Mult.: 1

Disc Varistor, StandarD 7mm MOVs PCB Mount Radial 40 VAC 56 VDC 68 V 135 V 7 mm 250 A 3 J 900 pF - 40 C + 105 C Bulk

TDK Varistors 300VAC 10% 14mm AdvanceD
Datasheet
5,212In Stock
Min.: 1
Mult.: 1
: 3,000

Disc Varistor, AdvanceD 14mm MOVs PCB Mount Radial 300 VAC 385 VDC 470 V 775 V 15.5 mm 6 kA 125 J 400 pF - 40 C + 105 C Reel, Cut Tape
TDK Varistors 550VAC 10% 14mm AdvanceD
Datasheet
2,703In Stock
Min.: 1
Mult.: 1

Disc Varistor, AdvanceD 14mm MOVs PCB Mount Radial 550 VAC 745 VDC 910 V 5 kA 180 J 170 pF - 40 C + 105 C Bulk

TDK Varistors 385VAC 10% 20mm AdvanceD
Datasheet
1,810In Stock
Min.: 1
Mult.: 1

Disc Varistor, AdvanceD 20mm MOVs PCB Mount Radial 380 VAC 505 VDC 620 V 1.025 kV 21.5 mm 10 kA 273 J 600 pF - 40 C + 105 C Bulk

TDK Varistors 17VAC 10% 5mm StandarD
Datasheet
5,214In Stock
Min.: 1
Mult.: 1
: 4,500

Disc Varistor, StandarD 5mm MOVs PCB Mount Radial 17 VAC 22 VDC 27 V 53 V 5 mm 100 A 500 mJ 1.2 nF - 40 C + 105 C Reel, Cut Tape

TDK Varistors 510VAC 10% 20mm StandarD
Datasheet
1,644In Stock
Min.: 1
Mult.: 1

Disc Varistor, StandarD 20mm MOVs PCB Mount Radial 510 VAC 670 VDC 820 V 1.355 kV 20 mm 6.5 kA 190 J 460 pF - 40 C + 105 C Bulk

TDK Varistors 60VAC 10% 10mm StandarD
Datasheet
4,437In Stock
Min.: 1
Mult.: 1
: 3,000

Disc Varistor, StandarD 10mm MOVs PCB Mount Radial 60 VAC 85 VDC 100 V 165 V 10 mm 500 A 10 J 870 pF - 40 C + 105 C Reel, Cut Tape
TDK Varistors 230VAC 10% 20mm SuperioR
Datasheet
1,370In Stock
Min.: 1
Mult.: 1

Disc Varistor, Multi-Pulse SuperioR 20mm MOVs PCB Mount Radial 230 VAC 300 VDC 360 V 595 V 22.5 mm 12 kA 220 J 760 pF - 40 C + 105 C Bulk

TDK Varistors 25VAC 10% 7mm StandarD
Datasheet
6,309In Stock
Min.: 1
Mult.: 1
: 6,000

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