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 (CHF) 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 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 3650 pF - 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
17’417In 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 2400 pF - 40 C + 105 C Bulk
TDK Varistors 14VAC 10% 20mm StandarD
Datasheet
4’384In 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 0.019 uF - 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 20VAC 10% 5mm StandarD
Datasheet
14’662In 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
: 1’500

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
: 1’500

Disc Varistor, StandarD 7mm MOVs PCB Mount Radial 35 VAC 45 VDC 56 V 110 V 7 mm 250 A 2.5 J 1050 pF - 40 C + 105 C Reel, Cut Tape
TDK Varistors 20VAC 10% 7mm StandarD
Datasheet
29’307In 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 1600 pF - 40 C + 105 C Bulk

TDK Varistors 385VAC 10% 14mm StandarD
Datasheet
6’795In Stock
Min.: 1
Mult.: 1
: 1’000

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
2’907In 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 0.01 uF - 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 0.0156 uF - 40 C + 105 C AEC-Q100 Bulk
TDK Varistors 420VAC 10% 25mm SuperioR
Datasheet
972In Stock
Min.: 1
Mult.: 1

Disc Varistor, SuperioR 25mm MOVs PCB Mount Radial 420 VAC 560 VDC 680 V 1.12 kV 27.5 mm 20 kA 700 J 1150 pF - 40 C + 105 C Bulk

TDK Varistors 275VAC 10% 5mm StandarD
Datasheet
26’602In Stock
Min.: 1
Mult.: 1
: 1’500

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 320VAC 10% 20mm SuperioR MP
Datasheet
7’341In 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 1000 pF - 40 C + 105 C Bulk
TDK Varistors 140VAC 10% 20mm AdvanceD
Datasheet
15’453In 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 1240 pF - 40 C + 105 C Bulk
TDK Varistors 275VAC 10% 7mm AdvanceD
Datasheet
17’376In Stock
12’000Expected 8/10/2026
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 420VAC 10% 14mm MP AdvanceD
Datasheet
3’462In Stock
Min.: 1
Mult.: 1

Disc Varistor, Multi_Pulse AdvanceD 14mm MOVs PCB Mount Radial 420 VAC 560 VDC 680 V 1.12 kV 16.5 mm 6 kA 190 J 355 pF - 40 C + 105 C Bulk
TDK Varistors Leaded Varistor, 240pF 625VAC, 825VDC
Datasheet
9’716In 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
3’560In 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 50VAC 10% 7mm StandarD
Datasheet
11’786In Stock
Min.: 1
Mult.: 1
: 1’500

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 250VAC 10% 14mm StandarD
Datasheet
14’172In 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 25VAC 10% 20mm AEC-Q200
Datasheet
1’807In Stock
Min.: 1
Mult.: 1

Disc Varistor, Auto-Grade 20mm MOVs PCB Mount Radial 25 VAC 28 VDC 39 V 77 V 23 mm 2 kA 100 J 0.0111 uF - 40 C + 105 C AEC-Q100 Bulk
TDK Varistors 550VAC 10% 40mm High E
Datasheet
250In 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 140VAC 10% 10mm AdvanceD
Datasheet
9’818In 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