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.

Results: 695
Select Image Part #
 Mfr.
Description Datasheet Availability Pricing (JPY) 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
Qualification
Packaging

TDK Varistors 275VAC 10% 20mm SuperioR
Datasheet
3,308In Stock
Min.: 1
Mult.: 1

Disc Varistor, Multi-Pulse SuperioR 20mm MOVs PCB Mount Radial 275 VAC 350 VDC 430 V 710 V 22.5 mm 12 kA 260 J 630 pF - 40 C + 105 C Bulk
TDK Varistors 320VAC 10% 20mm SuperioR
Datasheet
2,133In Stock
Min.: 1
Mult.: 1

Disc Varistor, Multi-Pulse SuperioR 20mm MOVs PCB Mount Radial 2220 (5750 metric) 320 VAC 420 VDC 510 V 840 V 22.5 mm 12 kA 320 J 540 pF - 40 C + 105 C Bulk
TDK Varistors 35VAC 10% 20mm StandarD
Datasheet
7,219In Stock
Min.: 1
Mult.: 1

Disc Varistor, StandarD 20mm MOVs PCB Mount Radial 35 VAC 45 VDC 56 V 110 V 20 mm 2 kA 33 J 8000 pF - 40 C + 105 C Bulk
TDK Varistors 385VAC 10% 20mm StandarD
Datasheet
26,753In Stock
Min.: 1
Mult.: 1

Disc Varistor, StandarD 20mm MOVs PCB Mount Radial 385 VAC 505 VDC 620 V 1.025 kV 20 mm 8 kA 150 J 450 pF - 40 C + 105 C Bulk
TDK Varistors 40VAC 10% 20mm StandarD
Datasheet
5,655In Stock
6,000Expected 9/3/2026
Min.: 1
Mult.: 1

Disc Varistor, StandarD 20mm MOVs PCB Mount Radial 40 VAC 56 VDC 68 V 135 V 20 mm 2 kA 37 J 6750 pF - 40 C + 105 C Bulk
TDK Varistors 50VAC 10% 20mm StandarD
Datasheet
7,437In Stock
Min.: 1
Mult.: 1

Disc Varistor, StandarD 20mm MOVs PCB Mount Radial 50 VAC 65 VDC 82 V 135 V 20 mm 6.5 kA 27 J 3800 pF - 40 C + 105 C Bulk
TDK Varistors 510VAC 10% 20mm StandarD
Datasheet
2,419In Stock
Min.: 1
Mult.: 1

Disc Varistor, StandarD 20mm MOVs PCB Mount Radial 510 VAC 670 VDC 820 V 1.355 kV 20 mm 2.5 kA 190 J 340 pF - 40 C + 105 C Bulk
TDK Varistors 550VAC 10% 20mm StandarD
Datasheet
7,276In Stock
Min.: 1
Mult.: 1

Disc Varistor, StandarD 20mm MOVs PCB Mount Radial 550 VAC 745 VDC 910 V 1.5 kV 21.5 mm 6.5 kA 210 J 320 pF - 40 C + 105 C Bulk
TDK Varistors 60VAC 10% 20mm StandarD
Datasheet
5,454In 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 3600 pF - 40 C + 105 C Bulk
TDK Varistors 625VAC 10% 20mm StandarD
Datasheet
1,983In Stock
3,800Expected 8/24/2026
Min.: 1
Mult.: 1

Disc Varistor, StandarD 20mm MOVs PCB Mount Radial 625 VAC 825 VDC 1 kV 1.65 kV 20 mm 4.5 kA 230 J 280 pF - 40 C + 105 C Bulk
TDK Varistors 95VAC 10% 20mm StandarD
Datasheet
3,635In Stock
4,500Expected 8/28/2026
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 2500 pF - 40 C + 105 C Bulk
TDK Varistors 250VAC 10% 25mm SuperioR
Datasheet
724In Stock
Min.: 1
Mult.: 1

Disc Varistor, SuperioR 25mm MOVs PCB Mount Radial 250 VAC 320 VDC 390 V 650 V 27.5 mm 20 kA 345 J 2100 pF - 40 C + 105 C Bulk
TDK Varistors 385VAC 10% 25mm SuperioR
Datasheet
815In Stock
Min.: 1
Mult.: 1

Disc Varistor, SuperioR 25mm MOVs PCB Mount Radial 385 VAC 505 VDC 620 V 1.025 kV 27.5 mm 20 kA 600 J 1250 pF - 40 C + 105 C Bulk
TDK Varistors 580VAC 10% 25mm SuperioR
Datasheet
2,912In Stock
Min.: 1
Mult.: 1

Disc Varistor, SuperioR 25mm MOVs PCB Mount Radial 580 VAC 780 VDC 940 V 1.58 kV 27.5 mm 20 kA 800 J 830 pF - 40 C + 105 C Bulk
TDK Varistors 150VAC 10% 40mm High E
Datasheet
248In Stock
Min.: 1
Mult.: 1

Disc Varistor, High-Energy 40mm MOVs Chassis Mount Screw 150 VAC 200 VDC 240 V 395 V 40 kA 360 J 4800 pF - 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 1600 pF - 40 C + 105 C Bulk
TDK Varistors 550VAC 10% 40mm High E
Datasheet
144In Stock
250Expected 10/14/2026
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 1400 pF - 40 C + 105 C Bulk
TDK Varistors 130VAC 10% 32mm High E
Datasheet
142In Stock
Min.: 1
Mult.: 1

Disc Varistor, High-Energy 32mm MOVs Chassis Mount Screw 130 VAC 170 VDC 205 V 340 V 32 mm 25 kA 210 J 4400 pF - 40 C + 105 C Bulk
TDK Varistors 250VAC 10% 32mm High E
Datasheet
196In Stock
Min.: 1
Mult.: 1

Disc Varistor, High-Energy 32mm MOVs PCB Mount SMD/SMT 250 VAC 320 VDC 390 V 650 V 32 mm 25 kA 330 J 2200 pF - 40 C + 105 C Bulk
TDK Varistors 275VAC 10% 32mm High E
Datasheet
781In Stock
Min.: 1
Mult.: 1

Disc Varistor, High-Energy 32mm MOVs PCB Mount SMD/SMT 275 VAC 350 VDC 430 V 710 V 32 mm 25 kA 360 J 2000 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 1200 pF - 40 C + 105 C Bulk
TDK Varistors 550VAC 10% 32mm High E
Datasheet
178In Stock
160Expected 9/28/2026
Min.: 1
Mult.: 1

Disc Varistor, High-Energy 32mm MOVs Chassis Mount Screw 550 VAC 745 VDC 910 V 1.5 kV 32 mm 25 kA 620 J 1000 pF - 40 C + 105 C Bulk
TDK Varistors 130VAC 10% 40mm High E
Datasheet
165In 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 5600 pF - 40 C + 105 C Bulk
TDK Varistors 250VAC 10% 40mm High E
Datasheet
202In Stock
120Expected 8/17/2026
Min.: 1
Mult.: 1

Disc Varistor, High-Energy 40mm MOVs Chassis Mount Screw 250 VAC 320 VDC 390 V 650 V 40 mm 40 kA 490 J 2900 pF - 40 C + 105 C Bulk
TDK Varistors 275VAC 10% 40mm High E
Datasheet
104In Stock
120Expected 10/19/2026
Min.: 1
Mult.: 1

Disc Varistor, High-Energy 40mm MOVs Chassis Mount Screw 275 VAC 350 VDC 430 V 710 V 40 mm 40 kA 550 J 2700 pF - 40 C + 105 C Bulk