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SIOV Metal Oxide Varistors

TDK SIOV Metal Oxide Varistors feature a wide operating voltage range of 11 to 1100V_RMS.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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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (EUR) Filter the results in the table by unit price based on your quantity.	Qty.	Series	Product	Mounting Style	Termination Style	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
Varistors 30VAC 10% 20mm StandarD B72220S0300K101 TDK 1: € 0,877 11 779In Stock	Mfr. Part No. B72220S0300K101 Mouser Part No 871-B72220S300K101	TDK	Varistors 30VAC 10% 20mm StandarD Learn More about TDK epcosvaristors	Datasheet	11 779In Stock	€ 0,877 € 0,571 € 0,47 € 0,451 View € 0,434 € 0,409 € 0,403 € 0,396 € 0,369	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
Varistors 275VAC 10% 20mm SuperioR B72220S3271K101 TDK 1: € 1,56 2 555In Stock	Mfr. Part No. B72220S3271K101 Mouser Part No 871-B72220S3271K101	TDK	Varistors 275VAC 10% 20mm SuperioR Learn More about TDK epcosvaristors	Datasheet	2 555In Stock	€ 1,56 € 1,04 € 0,929 € 0,869 View € 0,835 € 0,788 € 0,765 € 0,758 € 0,686	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
Varistors 35VAC 10% 20mm StandarD B72220S0350K101 TDK 1: € 0,877 6 880In Stock	Mfr. Part No. B72220S0350K101 Mouser Part No 871-B72220S350K101	TDK	Varistors 35VAC 10% 20mm StandarD Learn More about TDK epcosvaristors	Datasheet	6 880In Stock	€ 0,877 € 0,571 € 0,47 € 0,451 View € 0,434 € 0,409 € 0,40	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
Varistors 385VAC 10% 20mm StandarD B72220S0381K101 TDK 1: € 0,705 22 466In Stock 16 800Expected 23/11/2026	Mfr. Part No. B72220S0381K101 Mouser Part No 871-B72220S381K101	TDK	Varistors 385VAC 10% 20mm StandarD Learn More about TDK epcosvaristors	Datasheet	22 466In Stock 16 800Expected 23/11/2026	€ 0,705 € 0,46 € 0,36 € 0,31 View € 0,181 € 0,175	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
Varistors 40VAC 10% 20mm StandarD B72220S0400K101 TDK 1: € 0,473 9 386In Stock	Mfr. Part No. B72220S0400K101 Mouser Part No 871-B72220S400K101	TDK	Varistors 40VAC 10% 20mm StandarD Learn More about TDK epcosvaristors	Datasheet	9 386In Stock	€ 0,473 € 0,396 € 0,361	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
Varistors 550VAC 10% 20mm StandarD B72220S0551K101 TDK 1: € 1,41 5 928In Stock	Mfr. Part No. B72220S0551K101 Mouser Part No 871-B72220S551K101	TDK	Varistors 550VAC 10% 20mm StandarD Learn More about TDK epcosvaristors	Datasheet	5 928In Stock	€ 1,41 € 0,937 € 0,827 € 0,782 View € 0,737 € 0,677 € 0,647	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
Varistors 60VAC 10% 20mm StandarD B72220S0600K101 TDK 1: € 0,473 4 770In Stock	Mfr. Part No. B72220S0600K101 Mouser Part No 871-B72220S600K101	TDK	Varistors 60VAC 10% 20mm StandarD Learn More about TDK epcosvaristors	Datasheet	4 770In Stock	€ 0,473 € 0,396 € 0,361	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
Varistors 75VAC 10% 20mm StandarD B72220S0750K101 TDK 1: € 0,877 6 554In Stock	Mfr. Part No. B72220S0750K101 Mouser Part No 871-B72220S750K101	TDK	Varistors 75VAC 10% 20mm StandarD Learn More about TDK epcosvaristors	Datasheet	6 554In Stock	€ 0,877 € 0,571 € 0,47 € 0,451 View € 0,434 € 0,409 € 0,40	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
Varistors 250VAC 10% 25mm SuperioR B72225S4251K101 TDK 1: € 3,61 699In Stock	Mfr. Part No. B72225S4251K101 Mouser Part No 871-B72225S4251K101	TDK	Varistors 250VAC 10% 25mm SuperioR Learn More about TDK epcosvaristors	Datasheet	699In Stock	€ 3,61 € 2,73 € 2,51 € 2,27 View € 2,16 € 2,09 € 2,02 € 1,95	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
Varistors 275VAC 10% 25mm SuperioR B72225S4271K101 TDK 1: € 3,83 1 900In Stock	Mfr. Part No. B72225S4271K101 Mouser Part No 871-B72225S4271K101	TDK	Varistors 275VAC 10% 25mm SuperioR Learn More about TDK epcosvaristors	Datasheet	1 900In Stock	€ 3,83 € 2,90 € 2,67 € 2,41 View € 2,29 € 2,21 € 2,09 € 2,08	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
Varistors 385VAC 10% 25mm SuperioR B72225S4381K101 TDK 1: € 3,61 807In Stock	Mfr. Part No. B72225S4381K101 Mouser Part No 871-B72225S4381K101	TDK	Varistors 385VAC 10% 25mm SuperioR Learn More about TDK epcosvaristors	Datasheet	807In Stock	€ 3,61 € 2,73 € 2,51 € 2,27 View € 2,16 € 2,09 € 2,01 € 1,94	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
Varistors 580VAC 10% 25mm SuperioR B72225S4581K101 TDK 1: € 4,16 740In Stock	Mfr. Part No. B72225S4581K101 Mouser Part No 871-B72225S4581K101	TDK	Varistors 580VAC 10% 25mm SuperioR Learn More about TDK epcosvaristors	Datasheet	740In Stock	€ 4,16 € 3,16 € 2,92 € 2,64 View € 2,50 € 2,49 € 2,36 € 2,30	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
Varistors 14VAC 10% 10mm AEC-Q200 B72210S1140K102 TDK 1: € 0,783 6 152In Stock	Mfr. Part No. B72210S1140K102 Mouser Part No 871-B72210S1140K102	TDK	Varistors 14VAC 10% 10mm AEC-Q200 Learn More about TDK automotive multilayer varistors	Datasheet	6 152In Stock	€ 0,783 € 0,507 € 0,416 € 0,40 View € 0,386 € 0,384 € 0,366 € 0,35	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
Varistors 14VAC 10% 14mm AEC-Q200 B72214S1140K501 TDK 1: € 1,01 5 929In Stock	Mfr. Part No. B72214S1140K501 Mouser Part No 871-B72214S1140K501	TDK	Varistors 14VAC 10% 14mm AEC-Q200 Learn More about TDK automotive multilayer varistors	Datasheet	5 929In Stock	€ 1,01 € 0,663 € 0,549 € 0,526 View € 0,508 € 0,495 € 0,473	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
Varistors 14VAC 10% 14mm AEC-Q200 B72214S1140K551 TDK 1: € 1,14 3 958In Stock	Mfr. Part No. B72214S1140K551 Mouser Part No 871-B72214S1140K551	TDK	Varistors 14VAC 10% 14mm AEC-Q200 Learn More about TDK automotive multilayer varistors	Datasheet	3 958In Stock	Cut Tape € 1,14 € 0,746 € 0,66 € 0,618 Reel € 0,50 View € 0,593 € 0,584 € 0,521 € 0,497	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
Varistors 250VAC 10% 32mm High E B72232B0251K001 TDK 1: € 15,18 172In Stock	Mfr. Part No. B72232B0251K001 Mouser Part No 871-B72232B0251K001	TDK	Varistors 250VAC 10% 32mm High E Learn More about TDK epcosvaristors	Datasheet	172In Stock	€ 15,18 € 12,04 € 11,94 € 10,86	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
Varistors 275VAC 10% 32mm High E B72232B0271K001 TDK 1: € 15,62 446In Stock	Mfr. Part No. B72232B0271K001 Mouser Part No 871-B72232B0271K001	TDK	Varistors 275VAC 10% 32mm High E Learn More about TDK epcosvaristors	Datasheet	446In Stock	€ 15,62 € 15,21	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
Varistors 550VAC 10% 32mm High E B72232B0551K001 TDK 1: € 17,95 235In Stock	Mfr. Part No. B72232B0551K001 Mouser Part No 871-B72232B551K1	TDK	Varistors 550VAC 10% 32mm High E Learn More about TDK epcosvaristors	Datasheet	235In Stock	€ 17,95 € 15,20 € 14,34 € 13,05	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
Varistors MOV 150VAC 10% 40MM HIGH E B72240B0151K001 TDK 1: € 25,60 114In Stock	Mfr. Part No. B72240B0151K001 Mouser Part No 871-B72240B151K1	TDK	Varistors MOV 150VAC 10% 40MM HIGH E Learn More about TDK epcosvaristors	Datasheet	114In Stock	€ 25,60 € 22,86 € 20,69 € 19,25	Min.: 1 Mult.: 1	Disc Varistor, High-Energy 40mm	MOVs	Chassis Mount	Screw	150 VAC	200 VDC	240 V	395 V	32 mm	40 kA	360 J	4.8 nF	- 40 C	+ 105 C		Bulk
Varistors 230VAC 10% 40mm High E B72240B0231K001 TDK 1: € 27,54 153In Stock	Mfr. Part No. B72240B0231K001 Mouser Part No 871-B72240B231K1	TDK	Varistors 230VAC 10% 40mm High E Learn More about TDK epcosvaristors	Datasheet	153In Stock	€ 27,54 € 23,85 € 22,21 € 22,20 € 20,40	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
Varistors 275VAC 10% 40mm High E B72240B0271K001 TDK 1: € 24,43 165In Stock 160Expected 21/12/2026	Mfr. Part No. B72240B0271K001 Mouser Part No 871-B72240B271K1	TDK	Varistors 275VAC 10% 40mm High E Learn More about TDK epcosvaristors	Datasheet	165In Stock 160Expected 21/12/2026	€ 24,43 € 24,02	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
Varistors 420VAC 10% 40mm High E B72240B0421K001 TDK 1: € 32,31 211In Stock 120Expected 22/12/2026	Mfr. Part No. B72240B0421K001 Mouser Part No 871-B72240B421K1	TDK	Varistors 420VAC 10% 40mm High E Learn More about TDK epcosvaristors	Datasheet	211In Stock 120Expected 22/12/2026	€ 32,31 € 26,64 € 25,46 € 25,42 € 21,73	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
Varistors 460VAC 10% 40mm High E B72240B0461K001 TDK 1: € 30,19 98In Stock 120Expected 11/11/2026	Mfr. Part No. B72240B0461K001 Mouser Part No 871-B72240B461K1	TDK	Varistors 460VAC 10% 40mm High E Learn More about TDK epcosvaristors	Datasheet	98In Stock 120Expected 11/11/2026	€ 30,19 € 25,72 € 23,61 € 22,42 € 21,73	Min.: 1 Mult.: 1	Disc Varistor, High-Energy 40mm	MOVs	Chassis Mount	Screw	460 VAC	615 VDC	750 V	1.24 kV	40 mm	40 kA	1 kJ	1.6 nF	- 40 C	+ 105 C		Bulk
Varistors 550VAC 10% 40mm High E B72240B0551K001 TDK 1: € 28,21 323In Stock	Mfr. Part No. B72240B0551K001 Mouser Part No 871-B72240B551K1	TDK	Varistors 550VAC 10% 40mm High E Learn More about TDK epcosvaristors	Datasheet	323In Stock	€ 28,21 € 24,94 € 23,37 € 22,88 € 20,81	Min.: 1 Mult.: 1	Disc Varistor, High-Energy 40mm	MOVs	Chassis Mount	Screw	550 VAC	745 VDC	910 V	1.5 kV	40 mm	40 kA	960 J	1.4 nF	- 40 C	+ 105 C		Bulk
Varistors 150VAC 10% 40mm High E B72240L0151K100 TDK 1: € 13,18 248In Stock	Mfr. Part No. B72240L0151K100 Mouser Part No 871-B72240L0151K100	TDK	Varistors 150VAC 10% 40mm High E Learn More about TDK epcosvaristors	Datasheet	248In Stock	€ 13,18 € 10,41 € 9,72 € 8,96 View € 8,59 € 8,37 € 8,19	Min.: 1 Mult.: 1	Disc Varistor, High-Energy 40mm	MOVs	Chassis Mount	Screw	150 VAC	200 VDC	240 V	395 V		40 kA	360 J	4.8 nF	- 40 C	+ 105 C		Bulk