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
Max Surge Current
Surge Energy Rating
Capacitance
Minimum Operating Temperature
Maximum Operating Temperature
Qualification
Packaging
TDK Varistors 385VAC 10% 80mm High E
Datasheet
19In Stock
30Expected 27/10/2026
Min.: 1
Mult.: 1

Disc Varistor, High-Energy 80mm MOVs PCB Mount SMD/SMT 385 VAC 505 VDC 620 V 1.025 kV 80 mm 100 kA 2 kJ 9 nF - 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
27,600In 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 300VAC 10% 7mm StandarD
Datasheet
43,861In Stock
Min.: 1
Mult.: 1

Disc Varistor, StandarD 7mm MOVs PCB Mount Radial 300 VAC 385 VDC 470 V 775 V 7 mm 1.2 kA 23 J 90 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 14VAC 10% 14mm AEC-Q200
Datasheet
2,698In 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 625VAC 10% 14mm AdvanceD
Datasheet
3,601In Stock
Min.: 1
Mult.: 1

Disc Varistor, AdvanceD 14mm MOVs PCB Mount Radial 625 VAC 825 VDC 1 kV 1.65 kV 15.5 mm 5 kA 200 J 150 pF - 40 C + 105 C 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 680VAC 10% 20mm AdvanceD
Datasheet
2,209In 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 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 25VAC 10% 7mm StandarD
Datasheet
21,941In 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
37,699In 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 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 460VAC 10% 5mm StandarD
Datasheet
22,033In Stock
Min.: 1
Mult.: 1

Disc Varistor, StandarD 5mm MOVs PCB Mount Radial 460 VAC 615 VDC 750 V 1.24 kV 5 mm 400 A 18 J 30 pF - 40 C + 105 C Bulk
TDK Varistors 140VAC 10% 10mm AdvanceD
Datasheet
9,602In 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 300VAC 10% 14mm StandarD
Datasheet
9,470In Stock
Min.: 1
Mult.: 1
: 4,800

Disc Varistor,StandarD 14mm MOVs PCB Mount Radial 300 VAC 385 VDC 470 V 775 V 15.5 mm 4.5 kA 76 J 400 pF - 40 C + 105 C Reel, Cut Tape
TDK Varistors 420VAC 10% 20mm SuperioR MP
Datasheet
15,549In 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
6,832In 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 1.34 nF - 40 C + 105 C Bulk
TDK Varistors 320VAC 10% 20mm StandarD
Datasheet
44,636In Stock
Min.: 1
Mult.: 1

Disc Varistor, StandarD 20mm MOVs PCB Mount Radial 320 VAC 420 VDC 510 V 840 V 20 mm 8 kA 184 J 540 pF - 40 C + 105 C Bulk
TDK Varistors 230VAC 10% 32mm High E
Datasheet
328In Stock
Min.: 1
Mult.: 1

Disc Varistor, High-Energy 32mm MOVs PCB Mount SMD/SMT 230 VAC 300 VDC 360 V 595 V 32 mm 25 kA 300 J 2.5 nF - 40 C + 105 C Bulk
TDK Varistors 460VAC 10% 40mm High E
Datasheet
348In Stock
Min.: 1
Mult.: 1

Disc Varistor, High-Energy 40mm MOVs Chassis Mount Screw 460 VAC 615 VDC 750 V 1.24 kV 40 kA 960 J 1.6 nF - 40 C + 105 C Bulk