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
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 275VAC 10% 5mm StandarD
Datasheet
25,752In Stock
Min.: 1
Mult.: 1
: 7,500

Disc Varistor, StandarD 5mm MOVs PCB Mount Radial 275 VAC 350 VDC 430 V 710 V 5 mm 400 A 8.6 J 60 pF - 40 C + 105 C Reel, Cut Tape
TDK Varistors 275VAC 10% 5mm StandarD
Datasheet
122,176In Stock
Min.: 1
Mult.: 1

Disc Varistor, StandarD 5mm MOVs PCB Mount Radial 275 VAC 350 VDC 430 V 710 V 5 mm 400 A 8.6 J 50 pF - 40 C + 105 C Bulk

TDK Varistors 50VAC 10% 14mm StandarD
Datasheet
9,007In Stock
Min.: 1
Mult.: 1
: 3,000

Disc Varistor,StandarD 14mm MOVs PCB Mount Radial 50 VAC 65 VDC 82 V 135 V 14 mm 1 kA 15 J 1.8 nF - 40 C + 105 C Reel, Cut Tape
TDK Varistors 460VAC 10% 14mm StandarD
Datasheet
16,825In Stock
Min.: 1
Mult.: 1

Disc Varistor,StandarD 14mm MOVs PCB Mount Radial 460 VAC 615 VDC 700 V 1.24 kV 14 mm 4.5 kA 100 J 200 pF - 40 C + 105 C Bulk
TDK Varistors 320VAC 10% 20mm SuperioR MP
Datasheet
7,339In Stock
Min.: 1
Mult.: 1

Disc Varistor, Multi-Pulse SuperioR 20mm MOVs PCB Mount Radial 320 VAC 420 VDC 510 V 840 V 22.5 mm 12 kA 330 J 1 nF - 40 C + 105 C Bulk
TDK Varistors 275VAC 10% 20mm EnergetiQ
Datasheet
4,107In Stock
Min.: 1
Mult.: 1

Disc Varistor, EnergetiQ 20mm MOVs PCB Mount Radial 275 VAC 350 VDC 430 V 710 V 20 mm 15 kA 215 J 930 pF - 40 C + 105 C Bulk
TDK Varistors 140VAC 10% 20mm AdvanceD
Datasheet
15,416In Stock
Min.: 1
Mult.: 1

Disc Varistor, AdvanceD 20mm MOVs PCB Mount Radial 140 VAC 180 VDC 220 V 360 V 21.5 mm 10 kA 110 J 1.24 nF - 40 C + 105 C Bulk
TDK Varistors 140VAC 10% 10mm AdvanceD
Datasheet
9,668In 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
6,865In 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
45,193In 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 625VAC 10% 10mm StandarD
Datasheet
8,400In Stock
Min.: 1
Mult.: 1

Disc Varistor, StandarD 10mm MOVs PCB Mount Radial 625 VAC 825 VDC 1 kV 1.65 kV 12 mm 2.5 kA 68 J 110 pF - 40 C + 105 C Bulk
TDK Varistors 20VAC 10% 10mm StandarD
Datasheet
9,612In Stock
Min.: 1
Mult.: 1

Disc Varistor, StandarD 10mm MOVs PCB Mount Radial 20 VAC 26 VDC 33 V 65 V 10 mm 500 A 3.1 J 3.65 nF - 40 C + 105 C Bulk
TDK Varistors 460VAC 10% 10mm AdvanceD
Datasheet
11,103In Stock
Min.: 1
Mult.: 1

Disc Varistor, AdvanceD 10mm MOVs PCB Mount Radial 460 VAC 615 VDC 750 V 1.24 kV 12 mm 3.5 kA 70 J 120 pF - 40 C + 105 C Bulk
TDK Varistors 35VAC 10% 10mm StandarD
Datasheet
17,167In Stock
Min.: 1
Mult.: 1

Disc Varistor, StandarD 10mm MOVs PCB Mount Radial 35 VAC 45 VDC 56 V 110 V 10 mm 500 A 5.4 J 2.4 nF - 40 C + 105 C Bulk
TDK Varistors 40VAC 10% 14mm StandarD
Datasheet
11,185In Stock
Min.: 1
Mult.: 1

Disc Varistor,StandarD 14mm MOVs PCB Mount Radial 40 VAC 56 VDC 68 V 135 V 14 mm 1 kA 13 J 3.55 nF - 40 C + 105 C Bulk
TDK Varistors 14VAC 10% 20mm StandarD
Datasheet
4,364In Stock
Min.: 1
Mult.: 1

Disc Varistor, StandarD 20mm MOVs PCB Mount Radial 14 VAC 18 VDC 22 V 43 V 20 mm 2 kA 12 J 19 nF - 40 C + 105 C Bulk
TDK Varistors 550VAC 10% 25mm SuperioR
Datasheet
845In Stock
Min.: 1
Mult.: 1

Disc Varistor, SuperioR 25mm MOVs PCB Mount Radial 550 VAC 745 VDC 910 V 1.5 kV 27.5 mm 20 kA 780 J 860 pF - 40 C + 105 C Bulk
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 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 5.6 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 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
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