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.

Results: 695
Select Image Part # Mfr. Description Datasheet Availability Pricing (USD) 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 Max Surge Current Surge Energy Rating Capacitance Minimum Operating Temperature Maximum Operating Temperature Qualification Packaging
TDK Varistors 300VAC 10% 20mm AdvanceD 9,636In Stock
16,800Expected 04/12/2026
$0.56
$0.468
$0.399
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 420VAC 10% 20mm AdvanceD 4,385In Stock
$1.35
$0.887
$0.785
$0.737
Min.: 1
Mult.: 1
Disc Varistor, AdvanceD 20mm MOVs PCB Mount Radial 420 VAC 560 VDC 680 V 1.12 kV 21.5 mm 10 kA 273 J 420 pF - 40 C + 105 C Bulk
TDK Varistors 510VAC 10% 20mm AdvanceD 10,092In Stock
$1.93
$1.29
$1.15
$1.09
Min.: 1
Mult.: 1
Disc Varistor, AdvanceD 20mm MOVs PCB Mount Radial 510 VAC 670 VDC 820 V 1.355 kV 21.5 mm 10 kA 325 J 340 pF - 40 C + 105 C Bulk
TDK Varistors 275VAC 10% 20mm StandarD 34,248In Stock
$0.48
$0.299
$0.24
$0.229
Min.: 1
Mult.: 1
Disc Varistor, StandarD 20mm MOVs PCB Mount Radial 275 VAC 350 VDC 430 V 710 V 20 mm 8 kA 151 J 630 pF - 40 C + 105 C Bulk
TDK Varistors 30VAC 10% 20mm StandarD 7,579In Stock
4,200Expected 09/11/2026
$1.02
$0.664
$0.547
$0.524
Min.: 1
Mult.: 1
Disc Varistor, StandarD 20mm MOVs PCB Mount Radial 30 VAC 38 VDC 47 V 93 V 20 mm 2 kA 26 J 9.35 nF - 40 C + 105 C Bulk

TDK Varistors 275VAC 10% 20mm SuperioR 2,555In Stock
$1.81
$1.21
$1.08
$1.01
Min.: 1
Mult.: 1
Disc Varistor, Multi-Pulse SuperioR 20mm MOVs PCB Mount Radial 275 VAC 350 VDC 430 V 710 V 22.5 mm 12 kA 260 J 630 pF - 40 C + 105 C Bulk
TDK Varistors 35VAC 10% 20mm StandarD 6,880In Stock
$1.02
$0.664
$0.547
$0.524
Min.: 1
Mult.: 1
Disc Varistor, StandarD 20mm MOVs PCB Mount Radial 35 VAC 45 VDC 56 V 110 V 20 mm 2 kA 33 J 8 nF - 40 C + 105 C Bulk
TDK Varistors 385VAC 10% 20mm StandarD 22,466In Stock
8,800Expected 23/11/2026
$0.88
$0.569
$0.406
$0.35
Min.: 1
Mult.: 1
Disc Varistor, StandarD 20mm MOVs PCB Mount Radial 385 VAC 505 VDC 620 V 1.025 kV 20 mm 8 kA 150 J 450 pF - 40 C + 105 C Bulk
TDK Varistors 40VAC 10% 20mm StandarD 9,486In Stock
$0.55
$0.461
$0.237
Min.: 1
Mult.: 1
Disc Varistor, StandarD 20mm MOVs PCB Mount Radial 40 VAC 56 VDC 68 V 135 V 20 mm 2 kA 37 J 6.75 nF - 40 C + 105 C Bulk
TDK Varistors 550VAC 10% 20mm StandarD 5,929In Stock
$1.64
$1.09
$0.962
$0.909
Min.: 1
Mult.: 1
Disc Varistor, StandarD 20mm MOVs PCB Mount Radial 550 VAC 745 VDC 910 V 1.5 kV 21.5 mm 6.5 kA 210 J 320 pF - 40 C + 105 C Bulk
TDK Varistors 60VAC 10% 20mm StandarD 4,770In Stock
$0.55
$0.461
$0.238
Min.: 1
Mult.: 1
Disc Varistor, StandarD 20mm MOVs PCB Mount Radial 60 VAC 85 VDC 100 V 165 V 20 mm 6.5 kA 33 J 3.6 nF - 40 C + 105 C Bulk
TDK Varistors 75VAC 10% 20mm StandarD 6,554In Stock
$1.02
$0.664
$0.547
$0.524
Min.: 1
Mult.: 1
Disc Varistor, StandarD 20mm MOVs PCB Mount Radial 75 VAC 100 VDC 120 V 200 V 20 mm 6.5 kA 40 J 2.9 nF - 40 C + 105 C Bulk
TDK Varistors 250VAC 10% 25mm SuperioR 699In Stock
$4.20
$3.18
$2.92
$2.64
Min.: 1
Mult.: 1
Disc Varistor, SuperioR 25mm MOVs PCB Mount Radial 250 VAC 320 VDC 390 V 650 V 27.5 mm 20 kA 345 J 2.1 nF - 40 C + 105 C Bulk
TDK Varistors 275VAC 10% 25mm SuperioR 1,900In Stock
$4.45
$3.37
$3.10
$2.80
Min.: 1
Mult.: 1
Disc Varistor, SuperioR 25mm MOVs PCB Mount Radial 275 VAC 350 VDC 430 V 710 V 25 mm 20 kA 375 J 1.32 nF - 40 C + 105 C Bulk
TDK Varistors 385VAC 10% 25mm SuperioR 807In Stock
$4.20
$3.18
$2.92
$2.64
Min.: 1
Mult.: 1
Disc Varistor, SuperioR 25mm MOVs PCB Mount Radial 385 VAC 505 VDC 620 V 1.025 kV 27.5 mm 20 kA 600 J 1.25 nF - 40 C + 105 C Bulk
TDK Varistors 580VAC 10% 25mm SuperioR 740In Stock
$4.84
$3.68
$3.39
$3.07
Min.: 1
Mult.: 1
Disc Varistor, SuperioR 25mm MOVs PCB Mount Radial 580 VAC 780 VDC 940 V 1.58 kV 27.5 mm 20 kA 800 J 830 pF - 40 C + 105 C Bulk

TDK Varistors 14VAC 10% 10mm AEC-Q200 6,152In Stock
$0.91
$0.59
$0.484
$0.464
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 14VAC 10% 14mm AEC-Q200 5,929In Stock
$1.18
$0.771
$0.638
$0.612
Min.: 1
Mult.: 1
Disc Varistor, Auto-Grade 14mm MOVs PCB Mount Radial 14 VAC 16 VDC 22 V 43 V 16 mm 1 kA 4 J 10 nF - 40 C + 105 C AEC-Q100 Bulk

TDK Varistors 14VAC 10% 14mm AEC-Q200 3,958In Stock
Cut Tape
$1.32
$0.867
$0.767
$0.719
Reel
$0.581
Min.: 1
Mult.: 1
: 4,000
Disc Varistor, Auto-Grade 14mm MOVs PCB Mount Radial 14 VAC 16 VDC 22 V 43 V 17 mm 1 kA 4 J 10 nF - 40 C + 105 C AEC-Q100 Reel, Cut Tape
TDK Varistors 250VAC 10% 32mm High E 172In Stock
$17.65
$14.00
$13.88
$11.56
$11.30
Min.: 1
Mult.: 1
Disc Varistor, High-Energy 32mm MOVs PCB Mount SMD/SMT 250 VAC 320 VDC 390 V 650 V 32 mm 25 kA 330 J 2.2 nF - 40 C + 105 C Bulk
TDK Varistors 275VAC 10% 32mm High E 446In Stock
$18.16
$14.42
$12.70
$12.35
$11.65
Min.: 1
Mult.: 1
Disc Varistor, High-Energy 32mm MOVs PCB Mount SMD/SMT 275 VAC 350 VDC 430 V 710 V 32 mm 25 kA 360 J 2 nF - 40 C + 105 C Bulk
TDK Varistors 550VAC 10% 32mm High E 235In Stock
$20.87
$17.67
$16.68
$13.83
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 1 nF - 40 C + 105 C Bulk
TDK Varistors 230VAC 10% 40mm High E 153In Stock
$32.02
$27.73
$25.82
$25.81
$23.72
Min.: 1
Mult.: 1
Disc Varistor, High-Energy 40mm MOVs Chassis Mount Screw 230 VAC 300 VDC 360 V 595 V 32 mm 40 kA 460 J 3.2 nF - 40 C + 85 C Bulk
TDK Varistors 275VAC 10% 40mm High E 165In Stock
160Expected 21/12/2026
$26.80
$23.39
$21.88
$21.75
Min.: 1
Mult.: 1
Disc Varistor, High-Energy 40mm MOVs Chassis Mount Screw 275 VAC 350 VDC 430 V 710 V 40 mm 40 kA 550 J 2.7 nF - 40 C + 105 C Bulk
TDK Varistors 420VAC 10% 40mm High E 211In Stock
120Expected 22/12/2026
$37.57
$30.98
$29.60
$29.56
$25.27
Min.: 1
Mult.: 1
Disc Varistor, High-Energy 40mm MOVs Chassis Mount Screw 420 VAC 560 VDC 680 V 1.12 kV 40 mm 40 kA 910 J 1.8 nF - 40 C + 105 C Bulk