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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 (GBP) 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 17VAC 10% 14mm AEC-Q200 B72214S1170K102 TDK 1: £0.943 2,578In Stock	Mfr. Part No. B72214S1170K102 Mouser Part No 871-B72214S1170K102	TDK	Varistors 17VAC 10% 14mm AEC-Q200 Learn More about TDK automotive multilayer varistors	Datasheet	2,578In Stock	£0.943 £0.614 £0.507 £0.487 View £0.457 £0.431 £0.423 £0.422	Min.: 1 Mult.: 1	Disc Varistor, Auto-Grade 14mm	MOVs	PCB Mount	Radial	17 VAC	20 VDC	27 V	53 V	7 mm	1 kA	5 J	8.2 nF	- 40 C	+ 105 C	AEC-Q100	Bulk
Varistors 30VAC 10% 14mm AEC-Q200 B72214S1300K102 TDK 1: £0.943 1,696In Stock 15,000Expected 07/12/2026	Mfr. Part No. B72214S1300K102 Mouser Part No 871-B72214S1300K102	TDK	Varistors 30VAC 10% 14mm AEC-Q200 Learn More about TDK automotive multilayer varistors	Datasheet	1,696In Stock 15,000Expected 07/12/2026	£0.943 £0.614 £0.507 £0.487 View £0.457 £0.438 £0.437	Min.: 1 Mult.: 1	Disc Varistor, Auto-Grade 14mm	MOVs	PCB Mount	Radial	30 VAC	34 VDC	47 V	93 V	17 mm	1 kA	50 J	5 nF	- 40 C	+ 105 C	AEC-Q100	Bulk
Varistors 320VAC 10% 32mm High E B72232B0321K001 TDK 1: £16.71 17In Stock 240Expected 04/12/2026	Mfr. Part No. B72232B0321K001 Mouser Part No 871-B72232B0321K001	TDK	Varistors 320VAC 10% 32mm High E Learn More about TDK epcosvaristors	Datasheet	17In Stock 240Expected 04/12/2026	£16.71 £13.45 £12.60 £11.90 View £10.96 £10.90	Min.: 1 Mult.: 1	Disc Varistor, High-Energy 32mm	MOVs	PCB Mount	SMD/SMT	320 VAC	420 VDC	510 V	840 V	32 mm	25 kA	430 J	1.7 nF	- 40 C	+ 105 C		Bulk
Varistors 385VAC 10% 32mm High E B72232B0381K001 TDK 1: £16.33 19In Stock 40Expected 04/01/2027	Mfr. Part No. B72232B0381K001 Mouser Part No 871-B72232B0381K001	TDK	Varistors 385VAC 10% 32mm High E Learn More about TDK epcosvaristors	Datasheet	19In Stock 40Expected 04/01/2027	£16.33 £14.22 £11.88 £11.23 View £10.85 £10.62	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	1.4 nF	- 40 C	+ 105 C		Bulk
Varistors 460VAC 10% 32mm High E B72232B0461K001 TDK 1: £17.58 23In Stock	Mfr. Part No. B72232B0461K001 Mouser Part No 871-B72232B0461K001	TDK	Varistors 460VAC 10% 32mm High E Learn More about TDK epcosvaristors	Datasheet	23In Stock	£17.58 £14.30 £13.04 £11.86 View £11.71 £11.61 Quote	Min.: 1 Mult.: 1	Disc Varistor, High-Energy 32mm	MOVs	PCB Mount	SMD/SMT	460 VAC	615 VDC	750 V	1.24 kV	32 mm	25 kA	660 J	1.2 nF	- 40 C	+ 105 C		Bulk
Varistors 150VAC 10% 32mm High E B72232B0151K001 TDK 1: £16.33 59In Stock 280Expected 23/11/2026	Mfr. Part No. B72232B0151K001 Mouser Part No 871-B72232B151K1	TDK	Varistors 150VAC 10% 32mm High E Learn More about TDK epcosvaristors	Datasheet	59In Stock 280Expected 23/11/2026	£16.33 £13.06 £11.88 £11.23 View £10.86 £10.62	Min.: 1 Mult.: 1	Disc Varistor, High-Energy 32mm	MOVs	Chassis Mount	Screw	150 VAC	200 VDC	240 V	395 V	32 mm	25 kA	240 J	3.7 nF	- 40 C	+ 105 C		Bulk
Varistors 320VAC 10% 40mm High E B72240B0321K001 TDK 1: £23.17 19In Stock 120Expected 23/11/2026	Mfr. Part No. B72240B0321K001 Mouser Part No 871-B72240B321K1	TDK	Varistors 320VAC 10% 40mm High E Learn More about TDK epcosvaristors	Datasheet	19In Stock 120Expected 23/11/2026	£23.17 £19.96 £18.29 £17.35 £16.81	Min.: 1 Mult.: 1	Disc Varistor, High-Energy 40mm	MOVs	Chassis Mount	Screw	320 VAC	420 VDC	510 V	840 V	40 mm	40 kA	640 J	2.3 nF	- 40 C	+ 105 C		Bulk
Varistors 550VAC 10% 40mm High E B72240L0551K100 TDK 1: £14.69 13In Stock 500On Order	Mfr. Part No. B72240L0551K100 Mouser Part No 871-B72240L0551K100	TDK	Varistors 550VAC 10% 40mm High E Learn More about TDK epcosvaristors	Datasheet	13In Stock 500On Order On Order Ship Dates Mfr. No: B72240L0551K100 Stock: 13 Can Dispatch Immediately On Order: 250 Expected 16/12/2026 250 Expected 04/01/2027 Factory Lead Time: 30 Weeks	£14.69 £11.54 £10.95 £9.84 View £9.50 £9.25	Min.: 1 Mult.: 1	Disc Varistor, High-Energy 40mm	MOVs	Chassis Mount	Screw	550 VAC	745 VDC	910 V	1.5 kV		40 kA	960 J	1.4 nF	- 40 C	+ 105 C		Bulk
Varistors 130VAC 10% 60mm High E B72260B0131K001 TDK 1: £53.81 10In Stock	Mfr. Part No. B72260B0131K001 Mouser Part No 871-B72260B0131K001	TDK	Varistors 130VAC 10% 60mm High E Learn More about TDK epcosvaristors	Datasheet	10In Stock	£53.81 £46.85	Min.: 1 Mult.: 1	Disc Varistor, High-Energy 60mm	MOVs	PCB Mount	SMD/SMT	130 VAC	170 VDC	205 V	340 V	60 mm	70 kA	490 J	15 nF	- 40 C	+ 105 C		Bulk
Varistors 150VAC 10% 60mm High E B72260B0151K001 TDK 1: £53.81 4In Stock	Mfr. Part No. B72260B0151K001 Mouser Part No 871-B72260B0151K001	TDK	Varistors 150VAC 10% 60mm High E Learn More about TDK epcosvaristors	Datasheet	4In Stock	£53.81 £46.85	Min.: 1 Mult.: 1	Disc Varistor, High-Energy 60mm	MOVs	PCB Mount	SMD/SMT	150 VAC	200 VDC	240 V	395 V	60 mm	70 kA	570 J	12 nF	- 40 C	+ 105 C		Bulk
Varistors 440VAC 10% 60mm High E B72260B0441K001 TDK 1: £59.78 10In Stock	Mfr. Part No. B72260B0441K001 Mouser Part No 871-B72260B0441K001	TDK	Varistors 440VAC 10% 60mm High E Learn More about TDK epcosvaristors	Datasheet	10In Stock	£59.78 £52.05	Min.: 1 Mult.: 1	Disc Varistor, High-Energy 60mm	MOVs	PCB Mount	SMD/SMT	440 VAC	585 VDC	715 V	1.18 kV	60 mm	70 kA	1.58 kJ	4.1 nF	- 40 C	+ 105 C		Bulk
Varistors 230VAC 10% 80mm High E B72280B0231K001 TDK 1: £114.50 3In Stock	Mfr. Part No. B72280B0231K001 Mouser Part No 871-B72280B0231K001	TDK	Varistors 230VAC 10% 80mm High E Learn More about TDK epcosvaristors	Datasheet	3In Stock	£114.50 £99.81	Min.: 1 Mult.: 1	Disc Varistor, High-Energy 80mm	MOVs	PCB Mount	SMD/SMT	230 VAC	300 VDC				100 kA	1.2 kJ	16 nF	- 40 C	+ 105 C		Bulk
Varistors 320VAC 10% 80mm High E B72280B0321K001 TDK 1: £118.92 6In Stock 20Expected 23/11/2026	Mfr. Part No. B72280B0321K001 Mouser Part No 871-B72280B0321K001	TDK	Varistors 320VAC 10% 80mm High E Learn More about TDK epcosvaristors	Datasheet	6In Stock 20Expected 23/11/2026	£118.92 £93.26 £89.22 £89.15 View Quote	Min.: 1 Mult.: 1	Disc Varistor, High-Energy 80mm	MOVs	PCB Mount	SMD/SMT	320 VAC	420 VDC	510 V	840 V	80 mm	100 kA	1.6 kJ	11 nF	- 40 C	+ 105 C		Bulk
Varistors 440VAC 10% 80mm High E B72280B0441K001 TDK 1: £130.31 10In Stock	Mfr. Part No. B72280B0441K001 Mouser Part No 871-B72280B0441K001	TDK	Varistors 440VAC 10% 80mm High E Learn More about TDK epcosvaristors	Datasheet	10In Stock	£130.31 £99.92 £98.13 £97.52 View Quote	Min.: 1 Mult.: 1	Disc Varistor, High-Energy 80mm	MOVs	PCB Mount	SMD/SMT	440 VAC	585 VDC	715 V	1.18 kV	80 mm	100 kA	2.35 kJ	8.1 nF	- 40 C	+ 105 C		Bulk
Varistors 60VAC 10% 7mm StandarD B72207S0600K311 TDK 1: £0.255 2,528In Stock	Mfr. Part No. B72207S0600K311 Mouser Part No 871-B72207S0600K311	TDK	Varistors 60VAC 10% 7mm StandarD Learn More about TDK epcosvaristors	Datasheet	2,528In Stock	Cut Tape £0.255 £0.155 £0.123 £0.117 Reel £0.102 View £0.11 £0.104 £0.10	Min.: 1 Mult.: 1 : 6,000	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
Varistors 510VAC 10% 14mm 125 DegC AdvanceD B72214U2511K501 TDK 1: £0.943 1,206In Stock	Mfr. Part No. B72214U2511K501 Mouser Part No 871-B72214U2511K501	TDK	Varistors 510VAC 10% 14mm 125 DegC AdvanceD Learn More about TDK b722 varistors	Datasheet	1,206In Stock	£0.943 £0.614 £0.61 £0.582 View £0.48 £0.443 £0.44	Min.: 1 Mult.: 1	Disc Varistor, AdvanceD 125C, 85C/85%RH 14mm	MOVs	PCB Mount	Radial	510 VAC	670 VDC	820 V	1.355 kV	17.5 mm	5 kA	165 J	240 pF	- 40 C	+ 125 C		Bulk
Varistors 250VAC 10% 40mm High E B72240B0251K001 TDK 1: £22.34 680On Order	Mfr. Part No. B72240B0251K001 Mouser Part No 871-B72240B251K1	TDK	Varistors 250VAC 10% 40mm High E Learn More about TDK epcosvaristors	Datasheet	680On Order On Order Ship Dates Mfr. No: B72240B0251K001 Stock: 0 On Order: 440 Expected 16/12/2026 240 Expected 04/01/2027 Factory Lead Time: 16 Weeks	£22.34 £20.53 £19.61	Min.: 1 Mult.: 1	Disc Varistor, High-Energy 40mm	MOVs	Chassis Mount	Screw	250 VAC	320 VDC	390 V	650 V	40 mm	40 kA	490 J	2.9 nF	- 40 C	+ 105 C		Bulk
Varistors 130VAC 10% 5mm AdvanceD B72205S2131K101 TDK 1: £0.278 9,997Expected 18/01/2027	Mfr. Part No. B72205S2131K101 Mouser Part No 871-B72205S2131K101	TDK	Varistors 130VAC 10% 5mm AdvanceD Learn More about TDK epcosvaristors	Datasheet	9,997Expected 18/01/2027	£0.278 £0.172 £0.137 £0.13 View £0.125 £0.119 £0.115 £0.111	Min.: 1 Mult.: 1	Disc Varistor, AdvanceD 5mm	MOVs	PCB Mount	Radial	130 VAC	170 VDC	205 V	340 V	5 mm	800 A	6 J	135 pF	- 40 C	+ 105 C		Bulk
Varistors 14VAC 10% 7mm StandarD B72207S0140K101 TDK 1: £0.233 34,890Expected 23/11/2026	Mfr. Part No. B72207S0140K101 Mouser Part No 871-B72207S140K101	TDK	Varistors 14VAC 10% 7mm StandarD Learn More about TDK epcosvaristors	Datasheet	34,890Expected 23/11/2026	£0.233 £0.14 £0.11 £0.105 View £0.10 £0.095 £0.091 £0.09	Min.: 1 Mult.: 1	Disc Varistor, StandarD 7mm	MOVs	PCB Mount	Radial	14 VAC	18 VDC	22 V	43 V	7 mm	250 A	0.9 J	2.3 nF	- 40 C	+ 105 C		Bulk
Varistors 50VAC 10% 7mm StandarD B72207S0500K101 TDK 1: £0.217 25,000Expected 30/12/2026	Mfr. Part No. B72207S0500K101 Mouser Part No 871-B72207S500K101	TDK	Varistors 50VAC 10% 7mm StandarD Learn More about TDK epcosvaristors	Datasheet	25,000Expected 30/12/2026	£0.217 £0.132 £0.105 £0.10 View £0.094 £0.09 £0.086	Min.: 1 Mult.: 1	Disc Varistor, StandarD 7mm	MOVs	PCB Mount	Radial	50 VAC	65 VDC	82 V	135 V	7 mm	1.2 kA	4.2 J	530 pF	- 40 C	+ 105 C		Bulk
Varistors 300VAC 10% 10mm StandarD B72210S0301K551 TDK 1: £0.338 9,554Expected 30/11/2026	Mfr. Part No. B72210S0301K551 Mouser Part No 871-B72210S0301K551	TDK	Varistors 300VAC 10% 10mm StandarD Learn More about TDK epcosvaristors	Datasheet	9,554Expected 30/11/2026	Cut Tape £0.338 £0.212 £0.169 £0.162 Reel £0.137 View £0.14 £0.137 £0.134	Min.: 1 Mult.: 1 : 4,800	Disc Varistor, StandarD 10mm	MOVs	PCB Mount	Radial	300 VAC	385 VDC	470 V	775 V	10 mm	2.5 kA	47 J	200 pF	- 40 C	+ 105 C		Reel, Cut Tape
Varistors 300VAC 10% 10mm AdvanceD B72210S2301K101 TDK 1: £0.21 70,287Expected 30/11/2026	Mfr. Part No. B72210S2301K101 Mouser Part No 871-B72210S2301K101	TDK	Varistors 300VAC 10% 10mm AdvanceD Learn More about TDK epcosvaristors	Datasheet	70,287Expected 30/11/2026	£0.21 £0.126 £0.10 £0.094 View £0.089 £0.085 £0.083 £0.082	Min.: 1 Mult.: 1	Disc Varistor, AdvanceD 10mm	MOVs	PCB Mount	Radial	300 VAC	385 VDC	470 V	775 V	12 mm	3.5 kA	60 J	180 pF	- 40 C	+ 105 C		Bulk
Varistors 460VAC 10% 14mm MP AdvanceD B72214P2461K101 TDK 1: £0.78 5,800Expected 04/01/2027	Mfr. Part No. B72214P2461K101 Mouser Part No 871-B72214P2461K101	TDK	Varistors 460VAC 10% 14mm MP AdvanceD Learn More about TDK epcosvaristors	Datasheet	5,800Expected 04/01/2027	£0.78 £0.504 £0.465 £0.398 View £0.372 £0.356 £0.345	Min.: 1 Mult.: 1	Disc Varistor, Multi_Pulse AdvanceD 14mm	MOVs	PCB Mount	Radial	460 VAC	615 VDC	750 V	1.24 kV	16.5 mm	6 kA	200 J	320 pF	- 40 C	+ 105 C		Bulk
Varistors 1000VAC 10% 14mm StandarD B72214S0102K101 TDK 1: £1.99 2,182Expected 09/11/2026	Mfr. Part No. B72214S0102K101 Mouser Part No 871-B72214S102K101	TDK	Varistors 1000VAC 10% 14mm StandarD Learn More about TDK epcosvaristors	Datasheet	2,182Expected 09/11/2026	£1.99 £1.35 £1.20 £1.14 View £1.10 £1.01 £0.986 £0.978	Min.: 1 Mult.: 1	Disc Varistor,StandarD 14mm	MOVs	PCB Mount	Radial	1.1 kVAC	1.465 kVDC	1.8 kV	2.97 kV	14 mm	4.5 kA	230 J	110 pF	- 40 C	+ 105 C		Bulk
Varistors 150VAC 10% 14mm AdvanceD B72214S2151K101 TDK 1: £0.458 17,990Expected 04/01/2027	Mfr. Part No. B72214S2151K101 Mouser Part No 871-B72214S2151K101	TDK	Varistors 150VAC 10% 14mm AdvanceD Learn More about TDK epcosvaristors	Datasheet	17,990Expected 04/01/2027	£0.458 £0.29 £0.235 £0.224 View £0.216 £0.207 £0.199 £0.198 £0.193	Min.: 1 Mult.: 1	Disc Varistor, AdvanceD 14mm	MOVs	PCB Mount	Radial	150 VAC	200 VDC	240 V	395 V	15.5 mm	6 kA	60 J	570 pF	- 40 C	+ 105 C		Bulk