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 14VAC 10% 7mm AEC-Q200
Datasheet
4,472In Stock
Min.: 1
Mult.: 1

Disc Varistor, Auto-Grade 7mm MOVs PCB Mount Radial 14 VAC 16 VDC 22 V 43 V 7 mm 250 A 900 mJ 2300 pF - 40 C + 105 C AEC-Q100 Bulk
TDK Varistors 140VAC 10% 7mm AdvanceD
Datasheet
9,950In Stock
Min.: 1
Mult.: 1

Disc Varistor, AdvanceD 7mm MOVs PCB Mount Radial 140 VAC 180 VDC 220 V 7 mm 1.75 kA 13.5 J 180 pF - 40 C + 105 C Bulk
TDK Varistors 40VAC 10% 7mm StandarD
Datasheet
9,645In Stock
Min.: 1
Mult.: 1

Disc Varistor, StandarD 7mm MOVs PCB Mount Radial 40 VAC 56 VDC 68 V 135 V 7 mm 250 A 3 J 900 pF - 40 C + 105 C Bulk

TDK Varistors 60VAC 10% 14mm StandarD
Datasheet
5,692In Stock
Min.: 1
Mult.: 1
: 1,500

Disc Varistor,StandarD 14mm MOVs PCB Mount Radial 60 VAC 85 VDC 100 V 165 V 14 mm 1 kA 17 J 1650 pF - 40 C + 105 C Reel, Cut Tape

TDK Varistors 300VAC 10% 14mm AdvanceD
Datasheet
5,259In Stock
Min.: 1
Mult.: 1
: 1,000

Disc Varistor, AdvanceD 14mm MOVs PCB Mount Radial 300 VAC 385 VDC 470 V 775 V 15.5 mm 6 kA 125 J 400 pF - 40 C + 105 C Reel, Cut Tape
TDK Varistors 550VAC 10% 14mm AdvanceD
Datasheet
2,858In Stock
Min.: 1
Mult.: 1

Disc Varistor, AdvanceD 14mm MOVs PCB Mount Radial 550 VAC 745 VDC 910 V 5 kA 180 J 170 pF - 40 C + 105 C Bulk

TDK Varistors 385VAC 10% 20mm AdvanceD
Datasheet
1,820In Stock
Min.: 1
Mult.: 1

Disc Varistor, AdvanceD 20mm MOVs PCB Mount Radial 380 VAC 505 VDC 620 V 1.025 kV 21.5 mm 10 kA 273 J 600 pF - 40 C + 105 C Bulk
TDK Varistors 11VAC 10% 20mm StandarD
Datasheet
2,468In Stock
Min.: 1
Mult.: 1

Disc Varistor, StandarD 20mm MOVs PCB Mount Radial 11 VAC 14 VDC 18 V 36 V 20 mm 2 kA 10 J 0.023 uF - 40 C + 105 C Bulk
TDK Varistors 275VAC 10% 20mm 125 DegC AdvanceD
Datasheet
2,890In Stock
Min.: 1
Mult.: 1

Disc Varistor, AdvanceD 125C, 85C/85%RH 20mm MOVs PCB Mount Radial 275 VAC 350 VDC 430 V 710 V 23.5 mm 10 kA 215 J 850 pF - 40 C + 125 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 1400 pF - 40 C + 105 C Bulk
TDK Varistors 750VAC 10% 60mm High E
Datasheet
413In Stock
Min.: 1
Mult.: 1

Disc Varistor, High-Energy 60mm MOVs PCB Mount SMD/SMT 750 VAC 970 VDC 1.2 kV 2 kV 60 mm 70 kA 2 kJ 2400 pF - 40 C + 105 C Bulk
TDK Varistors 275VAC 10% 5mm StandarD
Datasheet
108,580In Stock
15,000Expected 10/08/2026
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 30VAC 10% 5mm StandarD
Datasheet
18,031In Stock
Min.: 1
Mult.: 1

Disc Varistor, StandarD 5mm MOVs PCB Mount Radial 30 VAC 38 VDC 47 V 93 V 5 mm 100 A 900 mJ 720 pF - 40 C + 105 C Bulk
TDK Varistors 175VAC 10% 7mm StandarD
Datasheet
21,344In Stock
Min.: 1
Mult.: 1

Disc Varistor, StandarD 7mm MOVs PCB Mount Radial 175 VAC 225 VDC 270 V 455 V 7 mm 1.2 kA 13 J 150 pF - 40 C + 105 C Bulk
TDK Varistors 275VAC 10% 7mm AdvanceD
Datasheet
17,549In Stock
12,000On Order
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 275VAC 10% 7mm StandarD
Datasheet
34,121In Stock
Min.: 1
Mult.: 1

Disc Varistor, StandarD 7mm MOVs PCB Mount Radial 275 VAC 350 VDC 430 V 710 V 7 mm 1.2 kA 21 J 95 pF - 40 C + 105 C Bulk
TDK Varistors 30VAC 10% 7mm StandarD
Datasheet
39,617In Stock
Min.: 1
Mult.: 1

Disc Varistor, StandarD 7mm MOVs PCB Mount Radial 30 VAC 38 VDC 47 V 93 V 7 mm 250 A 2 J 1200 pF - 40 C + 105 C Bulk
TDK Varistors 300VAC 10% 7mm StandarD
Datasheet
45,677In Stock
Min.: 1
Mult.: 1

Disc Varistor, StandarD 7mm MOVs PCB Mount Radial 300 VAC 385 VDC 470 V 775 V 7 mm 1.2 kA 23 J 90 pF - 40 C + 105 C Bulk
TDK Varistors 420VAC 10% 7mm StandarD
Datasheet
26,368In Stock
Min.: 1
Mult.: 1

Disc Varistor, StandarD 7mm MOVs PCB Mount Radial 420 VAC 560 VDC 680 V 1.12 kV 9 mm 1.2 kA 32 J 75 pF - 40 C + 105 C Bulk

TDK Varistors 14VAC 10% 10mm AEC-Q200
Datasheet
6,965In Stock
Min.: 1
Mult.: 1

Disc Varistor, Auto-Grade 10mm MOVs PCB Mount Radial 14 VAC 16 VDC 22 V 43 V 7 mm 500 A 2 J 5200 pF - 40 C + 105 C AEC-Q100 Bulk
TDK Varistors 20VAC 10% 10mm StandarD
Datasheet
9,637In 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 275VAC 10% 10mm AdvanceD
Datasheet
13,560In Stock
Min.: 1
Mult.: 1

Disc Varistor, AdvanceD 10mm MOVs PCB Mount Radial 275 VAC 350 VDC 430 V 710 V 12 mm 3.5 kA 55 J 220 pF - 40 C + 105 C Bulk
TDK Varistors 25VAC 10% 10mm StandarD
Datasheet
11,228In Stock
18,000Expected 31/08/2026
Min.: 1
Mult.: 1

Disc Varistor, StandarD 10mm MOVs PCB Mount Radial 25 VAC 31 VDC 39 V 77 V 10 mm 500 A 3.7 J 3200 pF - 40 C + 105 C Bulk
TDK Varistors 510VAC 10% 10mm AdvanceD
Datasheet
4,173In Stock
Min.: 1
Mult.: 1

Disc Varistor, AdvanceD 10mm MOVs PCB Mount Radial 510 VAC 670 VDC 820 V 1.355 kV 12 mm 3.5 kA 80 J 110 pF - 40 C + 105 C Bulk
TDK Varistors 250VAC 10% 10mm StandarD
Datasheet
15,339In Stock
Min.: 1
Mult.: 1

Disc Varistor, StandarD 10mm MOVs PCB Mount Radial 250 VAC 320 VDC 390 V 650 V 10 mm 2.5 kA 38 J 215 pF - 40 C + 105 C Bulk