SIOV Metal Oxide Varistors

TDK EPCOS 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 EPCOS 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

EPCOS / TDK Varistors 50VAC 10% 20mm StandarD
Datasheet
1,672In Stock
Min.: 1
Mult.: 1
Reel: 1,000

Disc Varistor, StandarD 20mm MOVs PCB Mount Radial 50 VAC 65 VDC 82 V 135 V 20 mm 2 kA 27 J 3800 pF - 40 C + 105 C Reel, Cut Tape
EPCOS / TDK Varistors 275VAC 10% 5mm StandarD
Datasheet
70,345On Order
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
EPCOS / TDK Varistors 275VAC 10% 7mm StandarD
Datasheet
23,747Expected 23/02/2026
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

EPCOS / TDK Varistors 40VAC 10% 10mm StandarD
Datasheet
2In Stock
Min.: 1
Mult.: 1
Reel: 1,500

Disc Varistor, StandarD 10mm MOVs PCB Mount Radial 40 VAC 56 VDC 68 V 135 V 10 mm 500 A 6.4 J 2100 pF - 40 C + 105 C Reel, Cut Tape
EPCOS / TDK Varistors 150VAC 10% 14mm StandarD
Datasheet
11,979Expected 30/03/2026
Min.: 1
Mult.: 1

Disc Varistor,StandarD 14mm MOVs PCB Mount Radial 150 VAC 200 VDC 240 V 395 V 15.5 mm 4.5 kA 40 J 750 pF - 40 C + 105 C Bulk
EPCOS / TDK Varistors 210VAC 10% 14mm AdvanceD
Datasheet
2In Stock
Min.: 1
Mult.: 1

Disc Varistor, AdvanceD 14mm MOVs PCB Mount Radial 210 VAC 270 VDC 330 V 545 V 15.5 mm 6 kA 80 J 410 pF - 40 C + 105 C Bulk
EPCOS / TDK Varistors 320VAC 10% 20mm StandarD
Datasheet
52,500On Order
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
EPCOS / TDK Varistors 550VAC 10% 32mm High E
Datasheet
126On Order
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
EPCOS / TDK Varistors 175VAC 10% 5mm StandarD
Datasheet
4,525Expected 13/04/2026
Min.: 1
Mult.: 1

Disc Varistor, StandarD 5mm MOVs PCB Mount Radial 175 VAC 225 VDC 270 V 455 V 5 mm 400 A 5.6 J 75 pF - 40 C + 105 C Bulk
EPCOS / TDK Varistors 420VAC 10% 5mm StandarD
Datasheet
4,991Expected 10/04/2026
Min.: 1
Mult.: 1

Disc Varistor, StandarD 5mm MOVs PCB Mount Radial 420 VAC 560 VDC 680 V 1.12 kV 7 mm 400 A 14 J 40 pF - 40 C + 105 C Bulk
EPCOS / TDK Varistors 385VAC 10% 7mm StandarD
Datasheet
12,000Expected 09/03/2026
Min.: 1
Mult.: 1

Disc Varistor, StandarD 7mm MOVs PCB Mount Radial 385 VAC 505 VDC 620 V 1.025 kV 7 mm 1.2 kA 28 J 75 pF - 40 C + 105 C Bulk

EPCOS / TDK Varistors 60VAC 10% 7mm StandarD
Datasheet
12,000Expected 23/03/2026
Min.: 1
Mult.: 1
Reel: 1,500

Disc Varistor, StandarD 7mm MOVs PCB Mount Radial 60 VAC 85 VDC 100 V 165 V 7 mm 250 A 4.8 J 480 pF - 40 C + 105 C Reel, Cut Tape

EPCOS / TDK Varistors 95VAC 10% 10mm StandarD
Datasheet
694Expected 23/02/2026
Min.: 1
Mult.: 1
Reel: 1,500

Disc Varistor, StandarD 10mm MOVs PCB Mount Radial 95 VAC 125 VDC 150 V 250 V 10 mm 500 A 15 J 690 pF - 40 C + 105 C Reel, Cut Tape
EPCOS / TDK Varistors 175VAC 10% 14mm MP AdvanceD
Datasheet
5,900On Order
Min.: 1
Mult.: 1

Disc Varistor, Multi_Pulse AdvanceD 14mm MOVs PCB Mount Radial 175 VAC 225 VDC 270 V 455 V 16 mm 6 kA 80 J 800 pF - 40 C + 105 C Bulk
EPCOS / TDK Varistors 130VAC 10% 20mm EnergetiQ
Datasheet
317Expected 25/02/2026
Min.: 1
Mult.: 1

Disc Varistor, EnergetiQ 20mm MOVs PCB Mount Radial 130 VAC 170 VDC 205 V 340 V 22.5 mm 15 kA 100 J 1950 pF - 40 C + 105 C Bulk
EPCOS / TDK Varistors 275VAC 10% 20mm 125 DegC AdvanceD
Datasheet
2,890Expected 23/02/2026
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
EPCOS / TDK Varistors 50VDC 1.2kA 900pF S07V42AUTOS2D1
Datasheet
1,744Expected 10/07/2026
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

EPCOS / TDK Varistors 140VAC 10% 5mm StandarD
Datasheet
Non-Stocked Lead-Time 8 Weeks
Min.: 1
Mult.: 1
Reel: 1,500

Disc Varistor, StandarD 5mm MOVs PCB Mount Radial 150 VAC 200 VDC 240 V 395 V 5 mm 400 A 4.9 J 115 pF - 40 C + 105 C Reel, Cut Tape

EPCOS / TDK Varistors 115VAC 10% 5mm StandarD
Datasheet
Non-Stocked Lead-Time 8 Weeks
Min.: 1
Mult.: 1
Reel: 1,500

Disc Varistor, StandarD 5mm MOVs PCB Mount Radial 125 VAC 150 VDC 180 V 300 V 5 mm 400 A 3.6 J 155 pF - 40 C + 105 C Reel, Cut Tape

EPCOS / TDK Varistors 130VAC 10% 5mm StandarD
Datasheet
Non-Stocked Lead-Time 8 Weeks
Min.: 1
Mult.: 1
Reel: 1,500

Disc Varistor, StandarD 5mm MOVs PCB Mount Radial 130 VAC 170 VDC 205 V 340 V 5 mm 400 A 4.2 J 135 pF - 40 C + 105 C Reel, Cut Tape

EPCOS / TDK Varistors 14VAC 10% 5mm StandarD
Datasheet
Non-Stocked Lead-Time 8 Weeks
Min.: 1
Mult.: 1
Reel: 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

EPCOS / TDK Varistors 140VAC 10% 5mm StandarD
Datasheet
Non-Stocked Lead-Time 8 Weeks
Min.: 1
Mult.: 1
Reel: 1,500

Disc Varistor, StandarD 5mm MOVs PCB Mount Radial 140 VAC 180 VDC 220 V 360 V 5 mm 400 A 4.5 J 125 pF - 40 C + 105 C Reel, Cut Tape

EPCOS / TDK Varistors 17VAC 10% 5mm StandarD
Datasheet
Non-Stocked Lead-Time 8 Weeks
Min.: 1
Mult.: 1
Reel: 1,500

Disc Varistor, StandarD 5mm MOVs PCB Mount Radial 17 VAC 22 VDC 27 V 53 V 5 mm 100 A 500 mJ 1200 pF - 40 C + 105 C Reel, Cut Tape

EPCOS / TDK Varistors 20VAC 10% 5mm StandarD
Datasheet
Non-Stocked Lead-Time 8 Weeks
Min.: 1
Mult.: 1
Reel: 1,500

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 Reel, Cut Tape

EPCOS / TDK Varistors 20VAC 10% 5mm StandarD
Datasheet
Non-Stocked Lead-Time 8 Weeks
Min.: 1
Mult.: 1
Reel: 1,500

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 Reel, Cut Tape