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 (KRW) 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 300VAC 10% 20mm StandarD 1,980In Stock
Min.: 1
Mult.: 1
: 2,000

B722xxS3/4 MOVs PCB Mount Radial 300 VAC 385 VDC 470 V 775 V 20 mm 8 kA 173 J 780 pF - 40 C + 105 C Reel, Cut Tape
TDK Varistors 750VAC 10% 40mm High E
Datasheet
276In Stock
Min.: 1
Mult.: 1

Disc Varistor, High-Energy 40mm MOVs Chassis Mount Screw 750 VAC 970 VDC 1.2 kV 2 kV 40 kA 1200 J 1 nF - 40 C + 105 C Bulk

TDK Varistors 25VAC 10% 7mm StandarD
Datasheet
6,309In Stock
Min.: 1
Mult.: 1
: 6,000

Disc Varistor, StandarD 7mm MOVs PCB Mount Radial 25 VAC 31 VDC 39 V 77 V 7 mm 250 A 1.6 J 1.4 nF - 40 C + 105 C Reel, Cut Tape

TDK Varistors 14VAC 10% 7mm AEC-Q200
Datasheet
4,962In Stock
Min.: 1
Mult.: 1
: 6,000

Disc Varistor, Auto-Grade 7mm MOVs PCB Mount Radial 14 VAC 7 mm - 40 C + 105 C AEC-Q100 Reel, Cut Tape

TDK Varistors 440VAC 10% 7mm StandarD
Datasheet
4,512In Stock
Min.: 1
Mult.: 1
: 5,000

Disc Varistor, StandarD 7mm MOVs PCB Mount Radial 440 VAC 585 VDC 715 V 1.18 kV 7 mm 1.2 kA 34 J 72 pF - 40 C + 105 C Reel, Cut Tape
TDK Varistors 385VAC 10% 14mm EnergetiQ
Datasheet
1,936In Stock
Min.: 1
Mult.: 1

Disc Varistor, EnergetiQ 14mm MOVs PCB Mount Radial 385 VAC 505 VDC 620 V 1.025 kV 16.5 mm 8 kA 225 J 400 pF - 40 C + 105 C Bulk

TDK Varistors 385VAC 10% 14mm StandarD
Datasheet
4,522In Stock
Min.: 1
Mult.: 1
: 4,000

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 50VAC 10% 20mm StandarD
Datasheet
1,672In Stock
Min.: 1
Mult.: 1
: 2,000

Disc Varistor, StandarD 20mm MOVs PCB Mount Radial 50 VAC 65 VDC 82 V 135 V 20 mm 2 kA 27 J 3.8 nF - 40 C + 105 C Reel, Cut Tape
TDK Varistors 750VAC 10% 32mm High E
Datasheet
Non-Stocked Lead-Time 16 Weeks
Min.: 1
Mult.: 1

Disc Varistor, High-Energy 32mm MOVs PCB Mount SMD/SMT 750 VAC 970 VDC 1.2 kV 2 kV 32 mm 25 kA 800 J 800 pF - 40 C + 105 C Bulk
TDK Varistors 50VDC 1.2kA 900pF S07V42AUTOS2D1
Datasheet
4,643In Stock
Min.: 1
Mult.: 1

Automotive 42 V MOVs PCB Mount Radial 48 VAC 50 VDC 68 V 135 V 7 mm 2.5 A 3 J 900 pF - 40 C + 105 C Bulk
TDK Varistors 300VAC 10% 20mm AdvanceD
Datasheet
36,700In Stock
Min.: 1
Mult.: 1

Disc Varistor, AdvanceD 20mm MOVs PCB Mount Radial 470 VAC 385 VDC 470 V 775 V 21.5 mm 1 kA 250 J 780 pF - 40 C + 105 C Bulk
TDK Varistors 750VAC 10% 60mm High E
Datasheet
378In 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 2.4 nF - 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 275VAC 10% 7mm StandarD
Datasheet
15,623In Stock
Min.: 1
Mult.: 1
: 6,000

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 Reel, Cut Tape
TDK Varistors 275VAC 10% 7mm StandarD
Datasheet
28,239In 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
37,714In 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 1.2 nF - 40 C + 105 C Bulk
TDK Varistors 300VAC 10% 7mm StandarD
Datasheet
44,392In 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
25,368In 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
6,229In 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 5.2 nF - 40 C + 105 C AEC-Q100 Bulk

TDK Varistors 130VAC 10% 10mm StandarD
Datasheet
9,266In Stock
Min.: 1
Mult.: 1

Disc Varistor, StandarD 10mm MOVs PCB Mount Radial 130 VAC 170 VDC 205 V 340 V 10 mm 2.5 kA 19 J 400 pF - 40 C + 105 C Bulk
TDK Varistors 275VAC 10% 10mm AdvanceD
Datasheet
13,056In 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
10,631In Stock
18,000Expected 8/31/2026
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 3.2 nF - 40 C + 105 C Bulk
TDK Varistors 250VAC 10% 10mm StandarD
Datasheet
11,483In 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
TDK Varistors 275VAC 10% 10mm StandarD
Datasheet
28,302In Stock
26,500Expected 9/4/2026
Min.: 1
Mult.: 1

Disc Varistor, StandarD 10mm MOVs PCB Mount Radial 275 VAC 350 VDC 430 V 710 V 10 mm 2.5 kA 43 J 195 pF - 40 C + 105 C Bulk
TDK Varistors 30VAC 10% 10mm StandarD
Datasheet
11,896In Stock
Min.: 1
Mult.: 1

Disc Varistor, StandarD 10mm MOVs PCB Mount Radial 30 VAC 38 VDC 47 V 93 V 10 mm 500 A 4.4 J 2.75 nF - 40 C + 105 C Bulk