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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Qty. RoHS ECAD Model Series
Product
Mounting Style
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Voltage Rating AC
Voltage Rating DC
Varistor Voltage
Clamping Voltage
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Peak Surge Current
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TDK Varistors 550VAC 10% 40mm High E
Datasheet
344In 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 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 230VAC 10% 32mm High E
Datasheet
353In 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 2500 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
814In 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
304In Stock
160Expected 10/12/2026
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
177In 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 MOV 150VAC 10% 40MM HIGH E
Datasheet
157In 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 4800 pF - 40 C + 105 C Bulk
TDK Varistors 275VAC 10% 40mm High E
Datasheet
254In Stock
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
TDK Varistors 420VAC 10% 40mm High E
Datasheet
119In Stock
80Expected 8/17/2026
Min.: 1
Mult.: 1

Disc Varistor, High-Energy 40mm MOVs Chassis Mount Screw 420 VAC 560 VDC 680 V 1.12 kV 40 mm 40 kA 910 J 1800 pF - 40 C + 105 C Bulk
TDK Varistors 460VAC 10% 40mm High E
Datasheet
189In Stock
Min.: 1
Mult.: 1

Disc Varistor, High-Energy 40mm MOVs Chassis Mount Screw 460 VAC 615 VDC 750 V 1.24 kV 40 mm 40 kA 1 kJ 1600 pF - 40 C + 105 C Bulk
TDK Varistors 550VAC 10% 40mm High E
Datasheet
408In Stock
Min.: 1
Mult.: 1

Disc Varistor, High-Energy 40mm MOVs Chassis Mount Screw 550 VAC 745 VDC 910 V 1.5 kV 40 mm 40 kA 960 J 1400 pF - 40 C + 105 C Bulk
TDK Varistors 750VAC 10% 40mm High E
Datasheet
467In Stock
Min.: 1
Mult.: 1

Disc Varistor, High-Energy 40mm MOVs Chassis Mount Screw 750 VAC 970 VDC 1.2 kV 2 kV 40 mm 40 kA 1.2 kJ 1000 pF - 40 C + 105 C Bulk
TDK Varistors 1000VAC 10% 60mm High E
Datasheet
89In Stock
Min.: 1
Mult.: 1

Disc Varistor, High-Energy 60mm MOVs PCB Mount SMD/SMT 1.1 kVAC 1.465 kVDC 1.8 kV 2.97 kV 60 mm 7 kA 3 kJ 1600 pF - 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 4300 pF - 40 C + 105 C Bulk
TDK Varistors 460VAC 10% 60mm High E
Datasheet
92In Stock
Min.: 1
Mult.: 1

Disc Varistor, High-Energy 60mm MOVs PCB Mount SMD/SMT 460 VAC 615 VDC 750 V 1.24 kV 60 mm 70 kA 1.65 kJ 3900 pF - 40 C + 105 C Bulk
TDK Varistors 550VAC 10% 60mm High E
Datasheet
93In Stock
Min.: 1
Mult.: 1

Disc Varistor, High-Energy 60mm MOVs PCB Mount SMD/SMT 550 VAC 745 VDC 910 V 1.5 kV 60 mm 70 kA 1.5 kJ 3300 pF - 40 C + 105 C Bulk
TDK Varistors 150VAC 10% 80mm High E
Datasheet
21In 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 0.023 uF - 40 C + 105 C Bulk
TDK Varistors 320VAC 10% 80mm High E
Datasheet
17In Stock
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 0.011 uF - 40 C + 105 C Bulk
TDK Varistors 550VAC 10% 80mm High E
Datasheet
34In Stock
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 6500 pF - 40 C + 105 C Bulk
TDK Varistors 680VAC 10% 80mm High E
Datasheet
64In Stock
Min.: 1
Mult.: 1

Disc Varistor, High-Energy 80mm MOVs PCB Mount SMD/SMT 680 VAC 895 VDC 1.1 kV 1.815 kV 80 mm 100 kA 3.6 kJ 5200 pF - 40 C + 105 C Bulk

TDK Varistors 11VAC 10% 5mm StandarD
Datasheet
1.258In Stock
Min.: 1
Mult.: 1
: 1.500

Disc Varistor, StandarD 5mm MOVs PCB Mount Radial 11 VAC 14 VDC 18 V 36 V 5 mm 100 A 300 mJ 1750 pF - 40 C + 105 C Reel, Cut Tape

TDK Varistors 14VAC 10% 5mm StandarD
Datasheet
2.700In Stock
Min.: 1
Mult.: 1
: 1.500

Disc Varistor, StandarD 5mm MOVs PCB Mount Radial 14 VAC 18 VDC 22 V 43 V 5 mm 100 A 400 mJ 1450 pF - 40 C + 105 C Reel, Cut Tape
TDK Varistors 140VAC 10% 5mm StandarD
Datasheet
5.606In Stock
Min.: 1
Mult.: 1

Disc Varistor, StandarD 5mm MOVs PCB Mount Radial 140 VAC 180 VDC 220 V 360 V 5 mm 400 A 4.5 J 95 pF - 40 C + 105 C Bulk