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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	Packaging
Varistors 35VAC 10% 10mm StandarD B72210S0350K151 TDK 1: £0.398 4,099In Stock 3,000Expected 07/12/2026	Mfr. Part No. B72210S0350K151 Mouser Part No 871-B72210S0350K151	TDK	Varistors 35VAC 10% 10mm StandarD Learn More about TDK epcosvaristors	Datasheet	4,099In Stock 3,000Expected 07/12/2026	Cut Tape £0.398 £0.247 £0.199 £0.189 Reel £0.188 View £0.157 £0.152 £0.149	Min.: 1 Mult.: 1 : 3,000	Disc Varistor, StandarD 10mm	MOVs	PCB Mount	Radial	35 VAC	45 VDC	56 V	110 V	10 mm	500 A	5.4 J	2.4 nF	- 40 C	+ 105 C	Reel, Cut Tape
Varistors 440VAC 10% 10mm StandarD B72210S0441K101 TDK 1: £0.383 2,994In Stock	Mfr. Part No. B72210S0441K101 Mouser Part No 871-B72210S0441K101	TDK	Varistors 440VAC 10% 10mm StandarD Learn More about TDK epcosvaristors	Datasheet	2,994In Stock	£0.383 £0.242 £0.195 £0.185 View £0.177 £0.168 £0.163 £0.152	Min.: 1 Mult.: 1	Disc Varistor, StandarD 10mm	MOVs	PCB Mount	Radial	440 VAC	585 VDC	715 V	1.18 kV	10 mm	2.5 kA	47 J	158 pF	- 40 C	+ 105 C	Bulk
Varistors 50VAC 10% 10mm StandarD B72210S0500K151 TDK 1: £0.398 61In Stock	Mfr. Part No. B72210S0500K151 Mouser Part No 871-B72210S0500K151	TDK	Varistors 50VAC 10% 10mm StandarD Learn More about TDK epcosvaristors	Datasheet	61In Stock	Cut Tape £0.398 £0.247 £0.199 £0.189 Reel £0.162 View £0.182 £0.157 £0.152 £0.149	Min.: 1 Mult.: 1 : 3,000	Disc Varistor, StandarD 10mm	MOVs	PCB Mount	Radial	50 VAC	65 VDC	82 V	135 V	10 mm	500 A	8.4 J	950 pF	- 40 C	+ 105 C	Reel, Cut Tape
Varistors 75VAC 10% 10mm StandarD B72210S0750K151 TDK 1: £0.398 3,000In Stock	Mfr. Part No. B72210S0750K151 Mouser Part No 871-B72210S0750K151	TDK	Varistors 75VAC 10% 10mm StandarD Learn More about TDK epcosvaristors	Datasheet	3,000In Stock	Cut Tape £0.398 £0.247 £0.199 £0.189 Reel £0.162 View £0.182 £0.157 £0.152 £0.149	Min.: 1 Mult.: 1 : 3,000	Disc Varistor, StandarD 10mm	MOVs	PCB Mount	Radial	75 VAC	100 VDC	120 V	200 V	12 mm	25 A	12 J	720 pF	- 40 C	+ 105 C	Reel, Cut Tape
Varistors 95VAC 10% 10mm StandarD B72210S0950K151 TDK 1: £0.375 5,961In Stock	Mfr. Part No. B72210S0950K151 Mouser Part No 871-B72210S0950K151	TDK	Varistors 95VAC 10% 10mm StandarD Learn More about TDK epcosvaristors	Datasheet	5,961In Stock	Cut Tape £0.375 £0.233 £0.188 £0.179 Reel £0.162 View £0.171 £0.157 £0.152 £0.145	Min.: 1 Mult.: 1 : 3,000	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
Varistors 11VAC 10% 10mm StandarD B72210S0111K101 TDK 1: £0.323 3,933In Stock	Mfr. Part No. B72210S0111K101 Mouser Part No 871-B72210S111K101	TDK	Varistors 11VAC 10% 10mm StandarD Learn More about TDK epcosvaristors	Datasheet	3,933In Stock	£0.323 £0.202 £0.162 £0.154 View £0.148 £0.138 £0.135 £0.134	Min.: 1 Mult.: 1	Disc Varistor, StandarD 10mm	MOVs	PCB Mount	Radial	125 VAC	150 VDC	180 V	300 V	10 mm	2.5 kA	18 J	445 pF	- 40 C	+ 105 C	Bulk
Varistors 130VAC 10% 10mm StandarD B72210S0131K101 TDK 1: £0.308 2,836In Stock 9,000Expected 11/11/2026	Mfr. Part No. B72210S0131K101 Mouser Part No 871-B72210S131K101	TDK	Varistors 130VAC 10% 10mm StandarD Learn More about TDK epcosvaristors	Datasheet	2,836In Stock 9,000Expected 11/11/2026	£0.308 £0.19 £0.153 £0.145 View £0.139 £0.132 £0.128 £0.127 £0.125	Min.: 1 Mult.: 1	Disc Varistor, StandarD 10mm	MOVs	PCB Mount	Radial	130 VAC	170 VDC	205 V	340 V	10 mm	2.5 kA	19 J	400 pF	- 40 C	+ 105 C	Bulk
Varistors 140VAC 10% 10mm StandarD B72210S0141K101 TDK 1: £0.308 1,550In Stock 6,000Expected 14/12/2026	Mfr. Part No. B72210S0141K101 Mouser Part No 871-B72210S141K101	TDK	Varistors 140VAC 10% 10mm StandarD Learn More about TDK epcosvaristors	Datasheet	1,550In Stock 6,000Expected 14/12/2026	£0.308 £0.19 £0.153 £0.146 View £0.14 £0.132 £0.127	Min.: 1 Mult.: 1	Disc Varistor, StandarD 10mm	MOVs	PCB Mount	Radial	140 VAC	180 VDC	220 V	360 V	10 mm	2.5 kA	22 J	370 pF	- 40 C	+ 105 C	Bulk
Varistors 17VAC 10% 10mm StandarD B72210S0170K101 TDK 1: £0.308 4,168In Stock	Mfr. Part No. B72210S0170K101 Mouser Part No 871-B72210S170K101	TDK	Varistors 17VAC 10% 10mm StandarD Learn More about TDK epcosvaristors	Datasheet	4,168In Stock	£0.308 £0.19 £0.153 £0.146 View £0.14 £0.138 £0.127	Min.: 1 Mult.: 1	Disc Varistor, StandarD 10mm	MOVs	PCB Mount	Radial	17 VAC	22 VDC	27 V	53 V	10 mm	500 A	2.5 J	4.35 nF	- 40 C	+ 105 C	Bulk
Varistors 130VAC 10% 10mm AdvanceD B72210S2131K101 TDK 1: £0.361 990In Stock	Mfr. Part No. B72210S2131K101 Mouser Part No 871-B72210S2131K101	TDK	Varistors 130VAC 10% 10mm AdvanceD Learn More about TDK epcosvaristors	Datasheet	990In Stock	£0.361 £0.226 £0.182 £0.173 View £0.166 £0.156 £0.153 £0.15	Min.: 1 Mult.: 1	Disc Varistor, AdvanceD 10mm	MOVs	PCB Mount	Radial	130 VAC	170 VDC	205 V	340 V	12 mm	3.5 kA	25 J	400 pF	- 40 C	+ 105 C	Bulk
Varistors 175VAC 10% 10mm AdvanceD B72210S2171K101 TDK 1: £0.315 3,161In Stock	Mfr. Part No. B72210S2171K101 Mouser Part No 871-B72210S2171K101	TDK	Varistors 175VAC 10% 10mm AdvanceD Learn More about TDK epcosvaristors	Datasheet	3,161In Stock	£0.315 £0.194 £0.155 £0.148 View £0.141 £0.129 £0.125 £0.12	Min.: 1 Mult.: 1	Disc Varistor, AdvanceD 10mm	MOVs	PCB Mount	Radial	175 VAC	225 VDC	270 V	455 V	12 mm	3.5 kA	35 J	300 pF	- 40 C	+ 105 C	Bulk
Varistors 230VAC 10% 10mm AdvanceD B72210S2231K101 TDK 1: £0.315 2,258In Stock	Mfr. Part No. B72210S2231K101 Mouser Part No 871-B72210S2231K101	TDK	Varistors 230VAC 10% 10mm AdvanceD Learn More about TDK epcosvaristors	Datasheet	2,258In Stock	£0.315 £0.194 £0.155 £0.148 View £0.141 £0.133 £0.129 £0.125 £0.121	Min.: 1 Mult.: 1	Disc Varistor, AdvanceD 10mm	MOVs	PCB Mount	Radial	230 VAC	300 VDC	360 V	595 V	12 mm	3.5 kA	45 J	230 pF	- 40 C	+ 105 C	Bulk
Varistors 250VAC 10% 10mm AdvanceD B72210S2251K101 TDK 1: £0.21 3,448In Stock	Mfr. Part No. B72210S2251K101 Mouser Part No 871-B72210S2251K101	TDK	Varistors 250VAC 10% 10mm AdvanceD Learn More about TDK epcosvaristors	Datasheet	3,448In Stock	£0.21 £0.127 £0.125 £0.116	Min.: 1 Mult.: 1	Disc Varistor, AdvanceD 10mm	MOVs	PCB Mount	Radial	250 VAC	320 VDC	390 V	650 V	12 mm	3.5 kA	50 J	245 pF	- 40 C	+ 105 C	Bulk
Varistors 250VAC 10% 10mm AdvanceD B72210S2251K551 TDK 1: £0.368 2,873In Stock	Mfr. Part No. B72210S2251K551 Mouser Part No 871-B72210S2251K551	TDK	Varistors 250VAC 10% 10mm AdvanceD Learn More about TDK epcosvaristors	Datasheet	2,873In Stock	Cut Tape £0.368 £0.228 £0.183 £0.175 Reel £0.155 View £0.162 £0.153 £0.148 £0.142	Min.: 1 Mult.: 1 : 3,000	Disc Varistor, AdvanceD 10mm	MOVs	PCB Mount	Radial	250 VAC	320 VDC	390 V	650 V	12 mm	3.5 kA	50 J	245 pF	- 40 C	+ 105 C	Reel, Cut Tape
Varistors 275VAC 10% 10mm AdvanceD B72210S2271K101 TDK 1: £0.315 6,215In Stock 9,000Expected 28/12/2026	Mfr. Part No. B72210S2271K101 Mouser Part No 871-B72210S2271K101	TDK	Varistors 275VAC 10% 10mm AdvanceD Learn More about TDK epcosvaristors	Datasheet	6,215In Stock 9,000Expected 28/12/2026	£0.315 £0.194 £0.155 £0.148 View £0.141 £0.135 £0.131 £0.129 £0.127	Min.: 1 Mult.: 1	Disc Varistor, AdvanceD 10mm	MOVs	PCB Mount	Radial	275 VAC	350 VDC	430 V	710 V	12 mm	3.5 kA	55 J	220 pF	- 40 C	+ 105 C	Bulk
Varistors 275VAC 10% 10mm AdvanceD B72210S2271K111 TDK 1: £0.368 5,879In Stock	Mfr. Part No. B72210S2271K111 Mouser Part No 871-B72210S2271K111	TDK	Varistors 275VAC 10% 10mm AdvanceD Learn More about TDK epcosvaristors	Datasheet	5,879In Stock	Cut Tape £0.368 £0.228 £0.183 £0.175 Reel £0.155 View £0.16 £0.152	Min.: 1 Mult.: 1 : 3,000	Disc Varistor, AdvanceD 10mm		PCB Mount	Radial	275 VAC								- 40 C	+ 105 C	Reel, Cut Tape
Varistors 275VAC 10% 10mm AdvanceD B72210S2271K341 TDK 1: £0.383 1,220In Stock	Mfr. Part No. B72210S2271K341 Mouser Part No 871-B72210S2271K341	TDK	Varistors 275VAC 10% 10mm AdvanceD Learn More about TDK epcosvaristors	Datasheet	1,220In Stock	Cut Tape £0.383 £0.242 £0.195 £0.175 Reel £0.155 View £0.16 £0.152	Min.: 1 Mult.: 1 : 3,000	Disc Varistor, AdvanceD 10mm	MOVs	PCB Mount	Radial	275 VAC	350 VDC	430 V	710 V	12 mm	3.5 kA	55 J	220 pF	- 40 C	+ 105 C	Reel, Cut Tape
Varistors 230VAC 10% 10mm StandarD B72210S0231K101 TDK 1: £0.263 3,295In Stock	Mfr. Part No. B72210S0231K101 Mouser Part No 871-B72210S231K101	TDK	Varistors 230VAC 10% 10mm StandarD Learn More about TDK epcosvaristors	Datasheet	3,295In Stock	£0.263 £0.163 £0.13 £0.124 View £0.119 £0.111 £0.108	Min.: 1 Mult.: 1	Disc Varistor, StandarD 10mm	MOVs	PCB Mount	Radial	230 VAC	300 VDC	360 V	595 V	10 mm	2.5 kA	36 J	230 pF	- 40 C	+ 105 C	Bulk
Varistors 320VAC 10% 10mm AdvanceD B72210S2321K101 TDK 1: £0.315 2,273In Stock	Mfr. Part No. B72210S2321K101 Mouser Part No 871-B72210S2321K101	TDK	Varistors 320VAC 10% 10mm AdvanceD Learn More about TDK epcosvaristors	Datasheet	2,273In Stock	£0.315 £0.194 £0.155 £0.148 View £0.133 £0.129	Min.: 1 Mult.: 1	Disc Varistor, AdvanceD 10mm	MOVs	PCB Mount	Radial	320 VAC	420 VDC	510 V	840 V	12 mm	3.5 kA	67 J	170 pF	- 40 C	+ 105 C	Bulk
Varistors 385VAC 10% 10mm AdvanceD B72210S2381K101 TDK 1: £0.33 4,138In Stock	Mfr. Part No. B72210S2381K101 Mouser Part No 871-B72210S2381K101	TDK	Varistors 385VAC 10% 10mm AdvanceD Learn More about TDK epcosvaristors	Datasheet	4,138In Stock	£0.33 £0.206 £0.164 £0.156 View £0.15 £0.141 £0.137 £0.131	Min.: 1 Mult.: 1	Disc Varistor, AdvanceD 10mm	MOVs	PCB Mount	Radial	385 VAC	505 VDC	620 V	1.025 kV	12 mm	5 kA	67 J	150 pF	- 40 C	+ 105 C	Bulk
Varistors 420VAC 10% 10mm AdvanceD B72210S2421K101 TDK 1: £0.428 34In Stock 3,000Expected 21/12/2026	Mfr. Part No. B72210S2421K101 Mouser Part No 871-B72210S2421K101	TDK	Varistors 420VAC 10% 10mm AdvanceD Learn More about TDK epcosvaristors	Datasheet	34In Stock 3,000Expected 21/12/2026	£0.428 £0.269 £0.217 £0.189 View £0.183 £0.181	Min.: 1 Mult.: 1	Disc Varistor, AdvanceD 10mm	MOVs	PCB Mount	Radial	420 VAC	560 VDC	680 V	1.12 kV	12 mm	3.5 kA	67 J	135 pF	- 40 C	+ 105 C	Bulk
Varistors 250VAC 10% 10mm StandarD B72210S251K551 TDK 1: £0.39 158In Stock	Mfr. Part No. B72210S251K551 Mouser Part No 871-B72210S251K551	TDK	Varistors 250VAC 10% 10mm StandarD Learn More about TDK epcosvaristors	Datasheet	158In Stock	Cut Tape £0.39 £0.239 £0.192 £0.153 Reel £0.132 View £0.146 £0.135 £0.128 £0.127	Min.: 1 Mult.: 1 : 4,800	B722xxS2	MOVs	PCB Mount	Radial	250 VAC	320 VDC	390 V	650 V	0.8 mm	2.5 kA	38 J	245 pF	- 40 C	+ 105 C	Reel, Cut Tape
Varistors 550VAC 10% 10mm AdvanceD B72210S2551K101 TDK 1: £0.691 583In Stock	Mfr. Part No. B72210S2551K101 Mouser Part No 871-B72210S2551K101	TDK	Varistors 550VAC 10% 10mm AdvanceD Learn More about TDK epcosvaristors	Datasheet	583In Stock	£0.691 £0.443 £0.364 £0.349 View £0.337 £0.319 £0.294	Min.: 1 Mult.: 1	Disc Varistor, AdvanceD 10mm	MOVs	PCB Mount	Radial	550 VAC	745 VDC	910 V	1.5 kV	12 mm	3.5 kA	90 J	105 pF	- 40 C	+ 105 C	Bulk
Varistors 625VAC 10% 10mm AdvanceD B72210S2621K101 TDK 1: £0.691 17In Stock	Mfr. Part No. B72210S2621K101 Mouser Part No 871-B72210S2621K101	TDK	Varistors 625VAC 10% 10mm AdvanceD Learn More about TDK epcosvaristors	Datasheet	17In Stock	£0.691 £0.443 £0.364 £0.348 View £0.335 £0.318 £0.311 £0.308	Min.: 1 Mult.: 1	Disc Varistor, AdvanceD 10mm	MOVs	PCB Mount	Radial	625 VAC	825 VDC	1 kV	1.65 kV	12 mm	3.5 kA	100 J	90 pF	- 40 C	+ 105 C	Bulk
Varistors 275VAC 10% 10mm StandarD B72210S0271K341 TDK 1: £0.323 1,251In Stock	Mfr. Part No. B72210S0271K341 Mouser Part No 871-B72210S271K341	TDK	Varistors 275VAC 10% 10mm StandarD Learn More about TDK epcos lumileds led solutions	Datasheet	1,251In Stock	Cut Tape £0.323 £0.20 £0.16 £0.153 Reel £0.134 View £0.14 £0.128 £0.126	Min.: 1 Mult.: 1 : 3,000	Disc Varistor, StandarD 10mm	MOVs	PCB Mount	Radial	275 VAC	350 VDC	430 V	710 V	10 mm	2.5 kA	43 J	220 pF	- 40 C	+ 105 C	Reel, Cut Tape