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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	Packaging
Varistors 420VAC 10% 32mm High E B72232B0421K001 TDK 1: 27,42 € 34In Stock 40Expected 12/4/2026	Mfr. Part No. B72232B0421K001 Mouser Part No 871-B72232B0421K001	TDK	Varistors 420VAC 10% 32mm High E Learn More about TDK epcosvaristors	Datasheet	34In Stock 40Expected 12/4/2026	27,42 € 26,30 €	Min.: 1 Mult.: 1	Disc Varistor, High-Energy 32mm	MOVs	PCB Mount	SMD/SMT	420 VAC	560 VDC	680 V	1.12 kV	32 mm	25 kA	600 J	1.3 nF	- 40 C	+ 105 C	Bulk
Varistors 460VAC 10% 32mm High E B72232B0461K001 TDK 1: 20,44 € 10In Stock	Mfr. Part No. B72232B0461K001 Mouser Part No 871-B72232B0461K001	TDK	Varistors 460VAC 10% 32mm High E Learn More about TDK epcosvaristors	Datasheet	10In Stock	20,44 € 16,47 € 15,42 € 14,13 €	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: 19,20 € 65In Stock 280Expected 11/23/2026	Mfr. Part No. B72232B0151K001 Mouser Part No 871-B72232B151K1	TDK	Varistors 150VAC 10% 32mm High E Learn More about TDK epcosvaristors	Datasheet	65In Stock 280Expected 11/23/2026	19,20 € 15,70 € 14,72 € 13,07 €	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 385VAC 10% 40mm High E B72240B0381K001 TDK 1: 39,31 € 4In Stock	Mfr. Part No. B72240B0381K001 Mouser Part No 871-B72240B381K1	TDK	Varistors 385VAC 10% 40mm High E Learn More about TDK epcosvaristors	Datasheet	4In Stock	39,31 € 37,71 €	Min.: 1 Mult.: 1	Disc Varistor, High-Energy 40mm	MOVs	Chassis Mount	Screw	385 VAC	505 VDC	620 V	1.025 kV	40 mm	40 kA	800 J	1.9 nF	- 40 C	+ 105 C	Bulk
Varistors 420VAC 10% 40mm High E B72240B0421K001 TDK 1: 32,31 € 51In Stock 160Expected 11/2/2026	Mfr. Part No. B72240B0421K001 Mouser Part No 871-B72240B421K1	TDK	Varistors 420VAC 10% 40mm High E Learn More about TDK epcosvaristors	Datasheet	51In Stock 160Expected 11/2/2026	32,31 € 26,64 € 25,45 € 24,14 €	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 550VAC 10% 40mm High E B72240L0551K100 TDK 1: 15,57 € 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 11/16/2026 250 Expected 11/30/2026 Factory Lead Time: 42 Weeks	15,57 € 12,37 € 11,56 € 10,68 € 10,26 €	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 150VAC 10% 60mm High E B72260B0151K001 TDK 1: 70,02 € 3In Stock	Mfr. Part No. B72260B0151K001 Mouser Part No 871-B72260B0151K001	TDK	Varistors 150VAC 10% 60mm High E Learn More about TDK epcosvaristors	Datasheet	3In Stock	70,02 € 55,44 €	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 550VAC 10% 60mm High E B72260B0551K001 TDK 1: 82,72 € 1In Stock 130Expected 11/16/2026	Mfr. Part No. B72260B0551K001 Mouser Part No 871-B72260B0551K001	TDK	Varistors 550VAC 10% 60mm High E Learn More about TDK epcosvaristors	Datasheet	1In Stock 130Expected 11/16/2026	82,72 € 66,15 €	Min.: 1 Mult.: 1	Disc Varistor, High-Energy 60mm	MOVs	PCB Mount	SMD/SMT	550 VAC	745 VDC	910 V	1.5 kV	60 mm	70 kA	1.5 kJ	3.3 nF	- 40 C	+ 105 C	Bulk
Varistors 230VAC 10% 80mm High E B72280B0231K001 TDK 1: 117,39 € 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	117,39 €	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: 136,22 € 5In Stock 20Expected 11/23/2026	Mfr. Part No. B72280B0321K001 Mouser Part No 871-B72280B0321K001	TDK	Varistors 320VAC 10% 80mm High E Learn More about TDK epcosvaristors	Datasheet	5In Stock 20Expected 11/23/2026	136,22 €	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 550VAC 10% 80mm High E B72280B0551K001 TDK 1: 168,59 € 1In Stock 80On Order	Mfr. Part No. B72280B0551K001 Mouser Part No 871-B72280B0551K001	TDK	Varistors 550VAC 10% 80mm High E Learn More about TDK epcosvaristors	Datasheet	1In Stock 80On Order On Order Ship Dates Mfr. No: B72280B0551K001 Stock: 1 Can Dispatch Immediately On Order: 25 Expected 11/2/2026 55 Expected 11/23/2026 Factory Lead Time: 28 Weeks	168,59 € 118,69 €	Min.: 1 Mult.: 1	Disc Varistor, High-Energy 80mm	MOVs	PCB Mount	SMD/SMT	550 VAC	745 VDC	910 V	1.5 kV	80 mm	100 kA	3.1 kJ	6.5 nF	- 40 C	+ 105 C	Bulk
Varistors 60VAC 10% 7mm StandarD B72207S0600K311 TDK 1: 0,292 € 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 0,292 € 0,178 € 0,153 € 0,141 € Reel 0,117 € View 0,134 € 0,126 € 0,119 € 0,112 €	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: 1,08 € 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	1,08 € 0,777 € 0,703 € 0,699 € View 0,667 € 0,55 € 0,502 € 0,497 €	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: 28,24 € 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 10/26/2026 240 Expected 12/4/2026 Factory Lead Time: 28 Weeks	28,24 € 23,85 € 22,20 € 19,63 €	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 300VAC 10% 5mm StandarD B72205S0301K101 TDK 1: 0,249 € 19.405On Order	Mfr. Part No. B72205S0301K101 Mouser Part No 871-B72205S301K101	TDK	Varistors 300VAC 10% 5mm StandarD Learn More about TDK epcosvaristors	Datasheet	19.405On Order On Order Ship Dates Mfr. No: B72205S0301K101 Stock: 0 On Order: 4.405 Expected 11/2/2026 15.000 Expected 11/23/2026 Factory Lead Time: 20 Weeks	0,249 € 0,151 € 0,13 € 0,12 € View 0,114 € 0,108 € 0,103 € 0,093 € 0,089 €	Min.: 1 Mult.: 1	Disc Varistor, StandarD 5mm	MOVs	PCB Mount	Radial	300 VAC	385 VDC	470 V	775 V	5 mm	400 A	9.6 J	45 pF	- 40 C	+ 105 C	Bulk
Varistors 14VAC 10% 7mm StandarD B72207S0140K101 TDK 1: 0,267 € 34.890Expected 11/23/2026	Mfr. Part No. B72207S0140K101 Mouser Part No 871-B72207S140K101	TDK	Varistors 14VAC 10% 7mm StandarD Learn More about TDK epcosvaristors	Datasheet	34.890Expected 11/23/2026	0,267 € 0,16 € 0,138 € 0,126 € View 0,12 € 0,114 € 0,108 € 0,106 €	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 60VAC 10% 7mm StandarD B72207S0600K101 TDK 1: 0,267 € 28.764On Order	Mfr. Part No. B72207S0600K101 Mouser Part No 871-B72207S600K101	TDK	Varistors 60VAC 10% 7mm StandarD Learn More about TDK epcosvaristors	Datasheet	28.764On Order On Order Ship Dates Mfr. No: B72207S0600K101 Stock: 0 On Order: 15.000 Expected 11/13/2026 13.764 Expected 11/23/2026 Factory Lead Time: 20 Weeks	0,267 € 0,16 € 0,138 € 0,126 € View 0,12 € 0,113 € 0,106 € 0,105 € 0,094 €	Min.: 1 Mult.: 1	Disc Varistor, StandarD 7mm	MOVs	PCB Mount	Radial	60 VAC	85 VDC	100 V	165 V	7 mm	1.2 kA	4.8 J	480 pF	- 40 C	+ 105 C	Bulk
Varistors 275VAC 10% 10mm StandarD B72210S0271K151 TDK 1: 0,387 € 9.403Expected 10/26/2026	Mfr. Part No. B72210S0271K151 Mouser Part No 871-B72210S0271K151	TDK	Varistors 275VAC 10% 10mm StandarD Learn More about TDK epcosvaristors	Datasheet	9.403Expected 10/26/2026	Cut Tape 0,387 € 0,243 € 0,21 € 0,194 € Reel 0,162 € View 0,185 € 0,171 € 0,168 € 0,154 €	Min.: 1 Mult.: 1 : 4.800	Disc Varistor, StandarD 10mm	MOVs	PCB Mount	Radial	275 VAC	350 VDC	430 V	710 V	12 mm	2.5 kA	43 J	220 pF	- 40 C	+ 105 C	Reel, Cut Tape
Varistors 300VAC 10% 10mm StandarD B72210S0301K551 TDK 1: 0,37 € 9.554Expected 1/28/2027	Mfr. Part No. B72210S0301K551 Mouser Part No 871-B72210S0301K551	TDK	Varistors 300VAC 10% 10mm StandarD Learn More about TDK epcosvaristors	Datasheet	9.554Expected 1/28/2027	Cut Tape 0,37 € 0,229 € 0,198 € 0,183 € View Reel 0,159 € 0,175 € 0,164 € 0,159 € 0,159 €	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 14VAC 10% 10mm StandarD B72210S0140K101 TDK 1: 0,353 € 9.000Expected 10/26/2026	Mfr. Part No. B72210S0140K101 Mouser Part No 871-B72210S140K101	TDK	Varistors 14VAC 10% 10mm StandarD Learn More about TDK epcosvaristors	Datasheet	9.000Expected 10/26/2026	0,353 € 0,218 € 0,188 € 0,175 € View 0,166 € 0,159 € 0,151 € 0,147 € 0,146 €	Min.: 1 Mult.: 1	Disc Varistor, StandarD 10mm	MOVs	PCB Mount	Radial	14 VAC	18 VDC	22 V	43 V	10 mm	500 A	2 J	5.2 nF	- 40 C	+ 105 C	Bulk
Varistors 300VAC 10% 10mm AdvanceD B72210S2301K101 TDK 1: 0,361 € 71.220On Order	Mfr. Part No. B72210S2301K101 Mouser Part No 871-B72210S2301K101	TDK	Varistors 300VAC 10% 10mm AdvanceD Learn More about TDK epcosvaristors	Datasheet	71.220On Order On Order Ship Dates Mfr. No: B72210S2301K101 Stock: 0 On Order: 26.220 Expected 12/14/2026 45.000 Expected 12/28/2026 Factory Lead Time: 22 Weeks	0,361 € 0,222 € 0,171 € 0,157 € View 0,136 € 0,126 € 0,12 € 0,101 €	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 510VAC 10% 10mm AdvanceD B72210S2511K101 TDK 1: 0,671 € 11.997On Order	Mfr. Part No. B72210S2511K101 Mouser Part No 871-B72210S2511K101	TDK	Varistors 510VAC 10% 10mm AdvanceD Learn More about TDK epcosvaristors	Datasheet	11.997On Order On Order Ship Dates Mfr. No: B72210S2511K101 Stock: 0 On Order: 5.997 Expected 10/27/2026 6.000 Expected 12/21/2026 Factory Lead Time: 22 Weeks	0,671 € 0,43 € 0,378 € 0,353 € View 0,336 € 0,329 €	Min.: 1 Mult.: 1	Disc Varistor, AdvanceD 10mm	MOVs	PCB Mount	Radial	510 VAC	670 VDC	820 V	1.355 kV	12 mm	3.5 kA	80 J	110 pF	- 40 C	+ 105 C	Bulk
Varistors 130VAC 10% 14mm MP AdvanceD B72214P2131K101 TDK 1: 0,679 € 5.980Expected 10/27/2026	Mfr. Part No. B72214P2131K101 Mouser Part No 871-B72214P2131K101	TDK	Varistors 130VAC 10% 14mm MP AdvanceD Learn More about TDK epcosvaristors	Datasheet	5.980Expected 10/27/2026	0,679 € 0,436 € 0,382 € 0,356 € View 0,341 € 0,328 € 0,311 € 0,297 €	Min.: 1 Mult.: 1	Disc Varistor, Multi_Pulse AdvanceD 14mm	MOVs	PCB Mount	Radial	130 VAC	170 VDC	205 V	340 V	16 mm	6 kA	60 J	1.1 nF	- 40 C	+ 105 C	Bulk
Varistors 150VAC 10% 14mm AdvanceD B72214S2151K101 TDK 1: 0,525 € 18.000Expected 11/16/2026	Mfr. Part No. B72214S2151K101 Mouser Part No 871-B72214S2151K101	TDK	Varistors 150VAC 10% 14mm AdvanceD Learn More about TDK epcosvaristors	Datasheet	18.000Expected 11/16/2026	0,525 € 0,332 € 0,29 € 0,269 € View 0,257 € 0,247 € 0,237 € 0,23 € 0,221 €	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
Varistors 210VAC 10% 14mm AdvanceD B72214S2211K101 TDK 1: 0,482 € 2In Stock	Mfr. Part No. B72214S2211K101 Mouser Part No 871-B72214S2211K101	TDK	Varistors 210VAC 10% 14mm AdvanceD Learn More about TDK epcosvaristors	Datasheet	2In Stock	0,482 € 0,317 € 0,314 €	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