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
Peak Surge Current
Surge Energy Rating
Capacitance
Minimum Operating Temperature
Maximum Operating Temperature
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Packaging
TDK Varistors 320VAC 10% 32mm High E
Datasheet
93In Stock
Min.: 1
Mult.: 1

Disc Varistor, High-Energy 32mm MOVs PCB Mount SMD/SMT 320 VAC 420 VDC 510 V 840 V 32 mm 25 kA 430 J 1.7 nF - 40 C + 105 C Bulk
TDK Varistors 385VAC 10% 32mm High E
Datasheet
31In Stock
Min.: 1
Mult.: 1

Disc Varistor, High-Energy 32mm MOVs PCB Mount SMD/SMT 385 VAC 505 VDC 620 V 1.025 kV 32 mm 25 kA 550 J 1.4 nF - 40 C + 105 C Bulk
TDK Varistors 320VAC 10% 40mm High E
Datasheet
1In Stock
160On Order
Min.: 1
Mult.: 1

Disc Varistor, High-Energy 40mm MOVs Chassis Mount Screw 320 VAC 420 VDC 510 V 840 V 40 mm 40 kA 640 J 2.3 nF - 40 C + 105 C Bulk
TDK Varistors 150VAC 10% 60mm High E
Datasheet
6In Stock
Min.: 1
Mult.: 1

Disc Varistor, High-Energy 60mm MOVs PCB Mount SMD/SMT 150 VAC 200 VDC 240 V 395 V 60 mm 70 kA 570 J 12 nF - 40 C + 105 C Bulk
TDK Varistors 230VAC 10% 80mm High E
Datasheet
3In Stock
Min.: 1
Mult.: 1

Disc Varistor, High-Energy 80mm MOVs PCB Mount SMD/SMT 230 VAC 300 VDC 100 kA 1.2 kJ 16 nF - 40 C + 105 C Bulk
TDK Varistors 320VAC 10% 80mm High E
Datasheet
9In Stock
20On Order
Min.: 1
Mult.: 1

Disc Varistor, High-Energy 80mm MOVs PCB Mount SMD/SMT 320 VAC 420 VDC 510 V 840 V 80 mm 100 kA 1.6 kJ 11 nF - 40 C + 105 C Bulk
TDK Varistors 550VAC 10% 80mm High E
Datasheet
7In Stock
80On Order
Min.: 1
Mult.: 1

Disc Varistor, High-Energy 80mm MOVs PCB Mount SMD/SMT 550 VAC 745 VDC 910 V 1.5 kV 80 mm 100 kA 3.1 kJ 6.5 nF - 40 C + 105 C Bulk

TDK Varistors 60VAC 10% 7mm StandarD
Datasheet
2,528In Stock
Min.: 1
Mult.: 1
: 6,000

Disc Varistor, StandarD 7mm MOVs PCB Mount Radial 60 VAC 85 VDC 100 V 165 V 7 mm 250 A 4.8 J 480 pF - 40 C + 105 C Reel, Cut Tape
TDK Varistors 510VAC 10% 14mm 125 DegC AdvanceD
Datasheet
1,236In Stock
Min.: 1
Mult.: 1

Disc Varistor, AdvanceD 125C, 85C/85%RH 14mm MOVs PCB Mount Radial 510 VAC 670 VDC 820 V 1.355 kV 17.5 mm 5 kA 165 J 240 pF - 40 C + 125 C Bulk
TDK Varistors 14VAC 10% 7mm StandarD
Datasheet
22,545On Order
Min.: 1
Mult.: 1

Disc Varistor, StandarD 7mm MOVs PCB Mount Radial 14 VAC 18 VDC 22 V 43 V 7 mm 250 A 0.9 J 2.3 nF - 40 C + 105 C Bulk
TDK Varistors 60VAC 10% 7mm StandarD
Datasheet
28,764On Order
Min.: 1
Mult.: 1

Disc Varistor, StandarD 7mm MOVs PCB Mount Radial 60 VAC 85 VDC 100 V 165 V 7 mm 1.2 kA 4.8 J 480 pF - 40 C + 105 C Bulk

TDK Varistors 40VAC 10% 10mm StandarD
Datasheet
2In Stock
Min.: 1
Mult.: 1
: 3,000

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 Reel, Cut Tape
TDK Varistors 175VAC 10% 10mm StandarD
Datasheet
23,712On Order
Min.: 1
Mult.: 1

Disc Varistor, StandarD 10mm MOVs PCB Mount Radial 175 VAC 225 VDC 270 V 455 V 10 mm 2.5 kA 28 J 300 pF - 40 C + 105 C Bulk
TDK Varistors 130VAC 10% 14mm MP AdvanceD
Datasheet
5,980Expected 27/10/2026
Min.: 1
Mult.: 1

Disc Varistor, Multi_Pulse AdvanceD 14mm MOVs PCB Mount Radial 130 VAC 170 VDC 205 V 340 V 16 mm 6 kA 60 J 1.1 nF - 40 C + 105 C Bulk
TDK Varistors 385VAC 10% 14mm MP AdvanceD
Datasheet
12,586On Order
Min.: 1
Mult.: 1

Disc Varistor, Multi_Pulse AdvanceD 14mm MOVs PCB Mount Radial 385 VAC 505 VDC 620 V 1.025 kV 16.5 mm 6 kA 180 J 390 pF - 40 C + 105 C Bulk
TDK Varistors 460VAC 10% 14mm MP AdvanceD
Datasheet
6,000Expected 08/10/2026
Min.: 1
Mult.: 1

Disc Varistor, Multi_Pulse AdvanceD 14mm MOVs PCB Mount Radial 460 VAC 615 VDC 750 V 1.24 kV 16.5 mm 6 kA 200 J 320 pF - 40 C + 105 C Bulk

TDK Varistors 14VAC 10% 14mm AEC-Q200
Datasheet
5,979Expected 03/09/2026
Min.: 1
Mult.: 1

Disc Varistor, Auto-Grade 14mm MOVs PCB Mount Radial 14 VAC 16 VDC 22 V 43 V 16 mm 1 kA 4 J 10 nF - 40 C + 105 C AEC-Q100 Bulk

TDK Varistors 14VAC 10% 14mm AEC-Q200
Datasheet
3,988Expected 04/09/2026
Min.: 1
Mult.: 1
: 4,000

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 Reel, Cut Tape
TDK Varistors 150VAC 10% 14mm AdvanceD
Datasheet
8,980Expected 14/09/2026
Min.: 1
Mult.: 1

Disc Varistor, AdvanceD 14mm MOVs PCB Mount Radial 150 VAC 200 VDC 240 V 395 V 15.5 mm 6 kA 60 J 570 pF - 40 C + 105 C Bulk
TDK Varistors 210VAC 10% 14mm AdvanceD
Datasheet
2In Stock
Min.: 1
Mult.: 1

Disc Varistor, AdvanceD 14mm MOVs PCB Mount Radial 210 VAC 270 VDC 330 V 545 V 15.5 mm 6 kA 80 J 410 pF - 40 C + 105 C Bulk
TDK Varistors 130VAC 10% 20mm EnergetiQ
Datasheet
2,603In Stock
Min.: 1
Mult.: 1

Disc Varistor, EnergetiQ 20mm MOVs PCB Mount Radial 130 VAC 170 VDC 205 V 340 V 22.5 mm 15 kA 100 J 1.95 nF - 40 C + 105 C Bulk
TDK Varistors 1000VAC 10% 20mm StandarD
Datasheet
4,493Expected 01/09/2026
Min.: 1
Mult.: 1

Disc Varistor, StandarD 20mm MOVs PCB Mount Radial 1.1 kVAC 1.465 kVDC 1.8 kV 2.97 kV 21.5 mm 6.5 kA 410 J 210 pF - 40 C + 105 C Bulk
TDK Varistors 20VAC 10% 20mm StandarD
Datasheet
4,347On Order
Min.: 1
Mult.: 1

Disc Varistor, StandarD 20mm MOVs PCB Mount Radial 20 VAC 26 VDC 33 V 65 V 20 mm 2 kA 18 J 13 nF - 40 C + 105 C Bulk

TDK Varistors 550VAC 10% 20mm AdvanceD
Datasheet
8,000Expected 15/10/2026
Min.: 1
Mult.: 1

Disc Varistor, AdvanceD 20mm MOVs PCB Mount Radial 550 VAC 745 VDC 910 V 1.5 kV 21.5 mm 10 kA 360 J 320 pF - 40 C + 105 C Bulk

TDK Varistors 150VAC 10% 20mm SuperioR
Datasheet
1,487Expected 14/09/2026
Min.: 1
Mult.: 1

Disc Varistor, Multi-Pulse SuperioR 20mm MOVs PCB Mount Radial 150 VAC 200 VDC 240 V 395 V 22.5 mm 12 kA 150 J 1.16 nF - 40 C + 105 C Bulk