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 (THB) 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
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Packaging
TDK Varistors 385VAC 10% 80mm High E
Datasheet
19In Stock
30Expected 10/27/2026
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 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
7,701In 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
13,992In 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 420VAC 10% 20mm AdvanceD
Datasheet
6,481In Stock
Min.: 1
Mult.: 1

Disc Varistor, AdvanceD 20mm MOVs PCB Mount Radial 420 VAC 560 VDC 680 V 1.12 kV 21.5 mm 10 kA 273 J 420 pF - 40 C + 105 C Bulk
TDK Varistors 60VAC 10% 20mm StandarD
Datasheet
4,975In 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 10/8/2026
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 130VAC 10% 40mm High E
Datasheet
161In Stock
Min.: 1
Mult.: 1

Disc Varistor, High-Energy 40mm MOVs Chassis Mount Screw 150 VAC 170 VDC 205 V 340 V 40 mm 40 kA 310 J 5.6 nF - 40 C + 105 C Bulk
TDK Varistors 550VAC 10% 40mm High E
Datasheet
240In 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 420VAC 10% 60mm High E
Datasheet
88In Stock
Min.: 1
Mult.: 1

Disc Varistor, High-Energy 60mm MOVs PCB Mount SMD/SMT 420 VAC 560 VDC 680 V 1.12 kV 60 mm 70 kA 1.5 kJ 4.3 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
28,600In 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 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 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 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 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
28,646In 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 460VAC 10% 32mm High E
Datasheet
103In Stock
Min.: 1
Mult.: 1

Disc Varistor, High-Energy 32mm MOVs PCB Mount SMD/SMT 460 VAC 615 VDC 750 V 1.24 kV 32 mm 25 kA 660 J 1.2 nF - 40 C + 105 C Bulk
TDK Varistors MOV 150VAC 10% 40MM HIGH E
Datasheet
136In Stock
Min.: 1
Mult.: 1

Disc Varistor, High-Energy 40mm MOVs Chassis Mount Screw 150 VAC 200 VDC 240 V 395 V 32 mm 40 kA 360 J 4.8 nF - 40 C + 105 C Bulk