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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 275VAC 10% 14mm StandarD B72214S0271K551 TDK 1: £0.413 4,370In Stock	Mfr. Part No. B72214S0271K551 Mouser Part No 871-B72214S0271K551	TDK	Varistors 275VAC 10% 14mm StandarD Learn More about TDK epcosvaristors	Datasheet	4,370In Stock	Cut Tape £0.413 £0.258 £0.208 £0.198 Reel £0.163 View £0.174 £0.169 £0.162	Min.: 1 Mult.: 1 : 4,800	Disc Varistor,StandarD 14mm	MOVs	PCB Mount	Radial	275 VAC	350 VDC	430 V	710 V	14 mm	4.5 kA	71 J	440 pF	- 40 C	+ 105 C	Reel, Cut Tape
Varistors 30VAC 10% 14mm StandarD B72214S0300K151 TDK 1: £0.45 2,600In Stock 15,000Expected 28/10/2026	Mfr. Part No. B72214S0300K151 Mouser Part No 871-B72214S0300K151	TDK	Varistors 30VAC 10% 14mm StandarD Learn More about TDK epcosvaristors	Datasheet	2,600In Stock 15,000Expected 28/10/2026	Cut Tape £0.45 £0.284 £0.23 £0.219 Reel £0.196 View £0.207 £0.192 £0.189	Min.: 1 Mult.: 1 : 3,000	Disc Varistor,StandarD 14mm	MOVs	PCB Mount	Radial	30 VAC	38 VDC	47 V	93 V	14 mm	1 kA	9 J	4.95 nF	- 40 C	+ 105 C	Reel, Cut Tape
Varistors 300VAC 10% 14mm StandarD B72214S0301K151 TDK 1: £0.39 1,447In Stock	Mfr. Part No. B72214S0301K151 Mouser Part No 871-B72214S0301K151	TDK	Varistors 300VAC 10% 14mm StandarD Learn More about TDK epcosvaristors	Datasheet	1,447In Stock	Cut Tape £0.39 £0.244 £0.196 £0.187 Reel £0.163 View £0.174 £0.169 £0.162	Min.: 1 Mult.: 1 : 4,800	Disc Varistor,StandarD 14mm	MOVs	PCB Mount	Radial	300 VAC	385 VDC	470 V	775 V	14 mm	4.5 kA	76 J	400 pF	- 40 C	+ 105 C	Reel, Cut Tape
Varistors 320VAC 10% 14mm StandarD B72214S0321K151 TDK 1: £0.473 667In Stock	Mfr. Part No. B72214S0321K151 Mouser Part No 871-B72214S0321K151	TDK	Varistors 320VAC 10% 14mm StandarD Learn More about TDK epcosvaristors	Datasheet	667In Stock	Cut Tape £0.473 £0.292 £0.235 £0.224 Reel £0.169 View £0.18 £0.164 £0.159 £0.157	Min.: 1 Mult.: 1 : 3,000	Disc Varistor,StandarD 14mm	MOVs	PCB Mount	Radial	320 VAC	420 VDC	510 V	840 V	14 mm	4.5 kA	84 J	370 pF	- 40 C	+ 105 C	Reel, Cut Tape
Varistors 320VAC 10% 14mm StandarD B72214S0321K551 TDK 1: £0.39 2,444In Stock	Mfr. Part No. B72214S0321K551 Mouser Part No 871-B72214S0321K551	TDK	Varistors 320VAC 10% 14mm StandarD Learn More about TDK epcosvaristors	Datasheet	2,444In Stock	Cut Tape £0.39 £0.244 £0.196 £0.187 Reel £0.163 View £0.159 £0.156	Min.: 1 Mult.: 1 : 4,000	Disc Varistor,StandarD 14mm	MOVs	PCB Mount	Radial	320 VAC	420 VDC	510 V	840 V	14 mm	4.5 kA	84 J	370 pF	- 40 C	+ 105 C	Reel, Cut Tape
Varistors 35VAC 10% 14mm StandarD B72214S0350K551 TDK 1: £0.45 1,107In Stock 3,000Expected 28/10/2026	Mfr. Part No. B72214S0350K551 Mouser Part No 871-B72214S0350K551	TDK	Varistors 35VAC 10% 14mm StandarD Learn More about TDK epcosvaristors	Datasheet	1,107In Stock 3,000Expected 28/10/2026	Cut Tape £0.45 £0.284 £0.267 Reel £0.267 £0.265	Min.: 1 Mult.: 1 : 3,000	Disc Varistor,StandarD 14mm	MOVs	PCB Mount	Radial	35 VAC	45 VDC	56 V	110 V	14 mm	1 kA	10 J	4.2 nF	- 40 C	+ 105 C	Reel, Cut Tape
Varistors 40VAC 10% 14mm StandarD B72214S0400K151 TDK 1: £0.45 3,029In Stock	Mfr. Part No. B72214S0400K151 Mouser Part No 871-B72214S0400K151	TDK	Varistors 40VAC 10% 14mm StandarD Learn More about TDK epcosvaristors	Datasheet	3,029In Stock	Cut Tape £0.45 £0.284 £0.23 £0.219 Reel £0.21 View £0.21 £0.194 £0.188 £0.185	Min.: 1 Mult.: 1 : 3,000	Disc Varistor,StandarD 14mm	MOVs	PCB Mount	Radial	40 VAC	56 VDC	68 V	135 V	14 mm	1 kA	13 J	3.55 nF	- 40 C	+ 105 C	Reel, Cut Tape
Varistors 440VAC 10% 14mm StandarD B72214S0441K101 TDK 1: £0.533 1,614In Stock 4,200Expected 06/11/2026	Mfr. Part No. B72214S0441K101 Mouser Part No 871-B72214S0441K101	TDK	Varistors 440VAC 10% 14mm StandarD Learn More about TDK epcosvaristors	Datasheet	1,614In Stock 4,200Expected 06/11/2026	£0.533 £0.338 £0.276 £0.263 View £0.253 £0.237 £0.231 £0.228 £0.223	Min.: 1 Mult.: 1	Disc Varistor,StandarD 14mm	MOVs	PCB Mount	Radial	440 VAC	585 VDC	715 V	1.18 kV	14 mm	4.5 kA	95 J	275 pF	- 40 C	+ 105 C	Bulk
Varistors 50VAC 10% 14mm StandarD B72214S0500K551 TDK 1: £0.45 2,017In Stock	Mfr. Part No. B72214S0500K551 Mouser Part No 871-B72214S0500K551	TDK	Varistors 50VAC 10% 14mm StandarD Learn More about TDK epcosvaristors	Datasheet	2,017In Stock	Cut Tape £0.45 £0.284 £0.23 £0.219 Reel £0.199 View £0.21 £0.194 £0.188 £0.174	Min.: 1 Mult.: 1 : 3,000	Disc Varistor,StandarD 14mm	MOVs	PCB Mount	Radial	50 VAC	65 VDC	82 V	135 V	14 mm	1 kA	15 J	1.8 nF	- 40 C	+ 105 C	Reel, Cut Tape
Varistors 510VAC 10% 14mm StandarD B72214S0511K101 TDK 1: £0.63 3,079In Stock	Mfr. Part No. B72214S0511K101 Mouser Part No 871-B72214S0511K101	TDK	Varistors 510VAC 10% 14mm StandarD Learn More about TDK epcosvaristors	Datasheet	3,079In Stock	£0.63 £0.403 £0.33 £0.315 View £0.304 £0.288 £0.281 £0.276	Min.: 1 Mult.: 1	Disc Varistor,StandarD 14mm	MOVs	PCB Mount	Radial	510 VAC	670 VDC	820 V	1.355 kV	15.5 mm	4.5 kA	110 J	180 pF	- 40 C	+ 105 C	Bulk
Varistors 550VAC 10% 14mm StandarD B72214S0551K101 TDK 1: £0.63 2,892In Stock 6,000Expected 23/11/2026	Mfr. Part No. B72214S0551K101 Mouser Part No 871-B72214S0551K101	TDK	Varistors 550VAC 10% 14mm StandarD Learn More about TDK epcosvaristors	Datasheet	2,892In Stock 6,000Expected 23/11/2026	£0.63 £0.403 £0.33 £0.315 View £0.304 £0.288 £0.281 £0.28	Min.: 1 Mult.: 1	Disc Varistor,StandarD 14mm	MOVs	PCB Mount	Radial	550 VAC	745 VDC	910 V	1.5 kV	15.5 mm	4.5 kA	120 J	170 pF	- 40 C	+ 105 C	Bulk
Varistors 60VAC 10% 14mm StandarD B72214S0600K151 TDK 1: £0.45 3,072In Stock	Mfr. Part No. B72214S0600K151 Mouser Part No 871-B72214S0600K151	TDK	Varistors 60VAC 10% 14mm StandarD Learn More about TDK epcosvaristors	Datasheet	3,072In Stock	Cut Tape £0.45 £0.284 £0.23 Reel £0.217 £0.194 View £0.188 £0.185	Min.: 1 Mult.: 1 : 3,000	Disc Varistor,StandarD 14mm	MOVs	PCB Mount	Radial	60 VAC	85 VDC	100 V	165 V	14 mm	1 kA	17 J	1.65 nF	- 40 C	+ 105 C	Reel, Cut Tape
Varistors 60VAC 10% 14mm StandarD B72214S0600K551 TDK 1: £0.473 2,950In Stock	Mfr. Part No. B72214S0600K551 Mouser Part No 871-B72214S0600K551	TDK	Varistors 60VAC 10% 14mm StandarD Learn More about TDK epcosvaristors	Datasheet	2,950In Stock	Cut Tape £0.473 £0.30 £0.244 £0.241 Reel £0.199 View £0.194 £0.188 £0.185	Min.: 1 Mult.: 1 : 3,000	Disc Varistor,StandarD 14mm	MOVs	PCB Mount	Radial	60 VAC	85 VDC	100 V	165 V	14 mm	1 kA	17 J	1.65 nF	- 40 C	+ 105 C	Reel, Cut Tape
Varistors 11VAC 10% 14mm StandarD B72214S0110K101 TDK 1: £0.413 244In Stock 3,000Expected 23/11/2026	Mfr. Part No. B72214S0110K101 Mouser Part No 871-B72214S110K101	TDK	Varistors 11VAC 10% 14mm StandarD Learn More about TDK epcosvaristors	Datasheet	244In Stock 3,000Expected 23/11/2026	£0.413 £0.26 £0.21 £0.20 View £0.191 £0.181 £0.176 £0.164	Min.: 1 Mult.: 1	Disc Varistor,StandarD 14mm	MOVs	PCB Mount	Radial	11 VAC	14 VDC	18 V	36 V	14 mm	1 kA	3.2 J	12.1 nF	- 40 C	+ 105 C	Bulk
Varistors 115VAC 10% 14mm StandarD B72214S0111K101 TDK 1: £0.39 2,937In Stock 3,000Expected 28/10/2026	Mfr. Part No. B72214S0111K101 Mouser Part No 871-B72214S111K101	TDK	Varistors 115VAC 10% 14mm StandarD Learn More about TDK epcosvaristors	Datasheet	2,937In Stock 3,000Expected 28/10/2026	£0.39 £0.245 £0.197 £0.189 £0.183	Min.: 1 Mult.: 1	Disc Varistor,StandarD 14mm	MOVs	PCB Mount	Radial	125 VAC	150 VDC	180 V	300 V	14 mm	4.5 kA	30 J	730 pF	- 40 C	+ 105 C	Bulk
Varistors 14VAC 10% 14mm StandarD B72214S0140K101 TDK 1: £0.39 3,940In Stock	Mfr. Part No. B72214S0140K101 Mouser Part No 871-B72214S140K101	TDK	Varistors 14VAC 10% 14mm StandarD Learn More about TDK epcosvaristors	Datasheet	3,940In Stock	£0.39 £0.245 £0.197 £0.189 View £0.175 £0.162 £0.161 £0.153	Min.: 1 Mult.: 1	Disc Varistor,StandarD 14mm	MOVs	PCB Mount	Radial	14 VAC	18 VDC	22 V	43 V	14 mm	1 kA	4 J	9.95 nF	- 40 C	+ 105 C	Bulk
Varistors 140VAC 10% 14mm StandarD B72214S0141K101 TDK 1: £0.39 5,710In Stock	Mfr. Part No. B72214S0141K101 Mouser Part No 871-B72214S141K101	TDK	Varistors 140VAC 10% 14mm StandarD Learn More about TDK epcosvaristors	Datasheet	5,710In Stock	£0.39 £0.245 £0.197 £0.189 View £0.181 £0.171 £0.166 £0.161 £0.147	Min.: 1 Mult.: 1	Disc Varistor,StandarD 14mm	MOVs	PCB Mount	Radial	140 VAC	180 VDC	220 V	360 V	14 mm	4.5 kA	36 J	610 pF	- 40 C	+ 105 C	Bulk
Varistors 17VAC 10% 14mm StandarD B72214S0170K101 TDK 1: £0.39 1,759In Stock	Mfr. Part No. B72214S0170K101 Mouser Part No 871-B72214S170K101	TDK	Varistors 17VAC 10% 14mm StandarD Learn More about TDK epcosvaristors	Datasheet	1,759In Stock	£0.39 £0.245 £0.197 £0.191 View £0.189 £0.188 £0.186	Min.: 1 Mult.: 1	Disc Varistor,StandarD 14mm	MOVs	PCB Mount	Radial	17 VAC	22 VDC	27 V	53 V	15.5 mm	1 kA	5 J	8.2 nF	- 40 C	+ 105 C	Bulk
Varistors 130VAC 10% 14mm AdvanceD B72214S2131K101 TDK 1: £0.488 2,958In Stock	Mfr. Part No. B72214S2131K101 Mouser Part No 871-B72214S2131K101	TDK	Varistors 130VAC 10% 14mm AdvanceD Learn More about TDK epcosvaristors	Datasheet	2,958In Stock	£0.488 £0.307 £0.25 £0.238 View £0.228 £0.217 £0.21	Min.: 1 Mult.: 1	Disc Varistor, AdvanceD 14mm	MOVs	PCB Mount	Radial	130 VAC	170 VDC	205 V	340 V	14 mm	6 kA	50 J	650 pF	- 40 C	+ 105 C	Bulk
Varistors 140VAC 10% 14mm AdvanceD B72214S2141K101 TDK 1: £0.488 3,116In Stock 6,000Expected 07/12/2026	Mfr. Part No. B72214S2141K101 Mouser Part No 871-B72214S2141K101	TDK	Varistors 140VAC 10% 14mm AdvanceD Learn More about TDK epcosvaristors	Datasheet	3,116In Stock 6,000Expected 07/12/2026	£0.488 £0.307 £0.25 £0.238 View £0.228 £0.223 £0.203 £0.196	Min.: 1 Mult.: 1	Disc Varistor, AdvanceD 14mm	MOVs	PCB Mount	Radial	140 VAC	180 VDC	220 V	360 V	15.5 mm	6 kA	55 J	610 pF	- 40 C	+ 105 C	Bulk
Varistors 175VAC 10% 14mm AdvanceD B72214S2171K101 TDK 1: £0.398 2,527In Stock 6,000Expected 04/11/2026	Mfr. Part No. B72214S2171K101 Mouser Part No 871-B72214S2171K101	TDK	Varistors 175VAC 10% 14mm AdvanceD Learn More about TDK epcosvaristors	Datasheet	2,527In Stock 6,000Expected 04/11/2026	£0.398 £0.249 £0.201 £0.191 View £0.183 £0.174 £0.169 £0.166	Min.: 1 Mult.: 1	Disc Varistor, AdvanceD 14mm	MOVs	PCB Mount	Radial	175 VAC	225 VDC	270 V	455 V	15.5 mm	6 kA	70 J	490 pF	- 40 C	+ 105 C	Bulk
Varistors 230VAC 10% 14mm AdvanceD B72214S2231K101 TDK 1: £0.398 454In Stock 3,000Expected 23/11/2026	Mfr. Part No. B72214S2231K101 Mouser Part No 871-B72214S2231K101	TDK	Varistors 230VAC 10% 14mm AdvanceD Learn More about TDK epcosvaristors	Datasheet	454In Stock 3,000Expected 23/11/2026	£0.398 £0.249 £0.241 £0.23 View £0.183 £0.174 £0.168	Min.: 1 Mult.: 1	Disc Varistor, AdvanceD 14mm	MOVs	PCB Mount	Radial	230 VAC	300 VDC	360 V	595 V	15.5 mm	6 kA	90 J	380 pF	- 40 C	+ 105 C	Bulk
Varistors 230VAC 10% 14mm StandarD B72214S0231K101 TDK 1: £0.338 6,274In Stock	Mfr. Part No. B72214S0231K101 Mouser Part No 871-B72214S231K101	TDK	Varistors 230VAC 10% 14mm StandarD Learn More about TDK epcosvaristors	Datasheet	6,274In Stock	£0.338 £0.21 £0.169 £0.161 View £0.154 £0.148 £0.142 £0.139	Min.: 1 Mult.: 1	Disc Varistor,StandarD 14mm	MOVs	PCB Mount	Radial	230 VAC	300 VDC	360 V	595 V	14 mm	4.5 kA	60 J	380 pF	- 40 C	+ 105 C	Bulk
Varistors 320VAC 10% 14mm AdvanceD B72214S2321K151 TDK 1: £0.443 1,634In Stock 4,000Expected 02/11/2026	Mfr. Part No. B72214S2321K151 Mouser Part No 871-B72214S2321K151	TDK	Varistors 320VAC 10% 14mm AdvanceD Learn More about TDK epcosvaristors	Datasheet	1,634In Stock 4,000Expected 02/11/2026	Cut Tape £0.443 £0.281 £0.227 £0.217 Reel £0.19 View £0.208 £0.197 £0.189	Min.: 1 Mult.: 1 : 4,000	Disc Varistor, AdvanceD 14mm	MOVs	PCB Mount	Radial	320 VAC	420 VDC	510 V	840 V	15.5 mm	6 kA	136 J	280 pF	- 40 C	+ 105 C	Reel, Cut Tape
Varistors 420VAC 10% 14mm AdvanceD B72214S2421K101 TDK 1: £0.661 3,048In Stock	Mfr. Part No. B72214S2421K101 Mouser Part No 871-B72214S2421K101	TDK	Varistors 420VAC 10% 14mm AdvanceD Learn More about TDK epcosvaristors	Datasheet	3,048In Stock	£0.661 £0.423 £0.346 £0.331 View £0.32 £0.301 £0.284 £0.278	Min.: 1 Mult.: 1	Disc Varistor, AdvanceD 14mm	MOVs	PCB Mount	Radial	420 VAC	560 VDC	680 V	1.12 kV	15.5 mm	5 kA	136 J	220 pF	- 40 C	+ 105 C	Bulk