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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 130VAC 10% 5mm StandarD B72205S0131K211 TDK 1: £0.608 4,409In Stock	Mfr. Part No. B72205S0131K211 Mouser Part No 871-B72205S0131K211	TDK	Varistors 130VAC 10% 5mm StandarD Learn More about TDK epcosvaristors	Datasheet	4,409In Stock	Cut Tape £0.608 £0.362 £0.228 £0.171 Reel £0.132 View £0.153 £0.137 £0.13	Min.: 1 Mult.: 1 : 4,500	Disc Varistor, StandarD 5mm	MOVs	PCB Mount	Radial	130 VAC	170 VDC	205 V	340 V	5 mm	400 A	4.2 J	135 pF	- 40 C	+ 105 C		Reel, Cut Tape
Varistors 275VAC 10% 7mm StandarD B72207S0271K211 TDK 1: £0.263 2,354In Stock	Mfr. Part No. B72207S0271K211 Mouser Part No 871-B72207S0271K211	TDK	Varistors 275VAC 10% 7mm StandarD Learn More about TDK epcosvaristors	Datasheet	2,354In Stock	Cut Tape £0.263 £0.16 £0.127 £0.12 Reel £0.087 View £0.115 £0.091 £0.083 £0.082	Min.: 1 Mult.: 1 : 6,000	Disc Varistor, StandarD 7mm	MOVs	PCB Mount	Radial	275 VAC	350 VDC	430 V	710 V	7 mm	1.2 kA	21 J	110 pF	- 40 C	+ 105 C		Reel, Cut Tape
Varistors 150VAC 10% 10mm AdvanceD B72210S2151K551 TDK 1: £0.511 25In Stock 9,000On Order	Mfr. Part No. B72210S2151K551 Mouser Part No 871-B72210S2151K551	TDK	Varistors 150VAC 10% 10mm AdvanceD Learn More about TDK epcosvaristors	Datasheet	25In Stock 9,000On Order On Order Ship Dates Mfr. No: B72210S2151K551 Stock: 25 Can Dispatch Immediately On Order: 3,000 Expected 23/11/2026 6,000 Expected 06/01/2027 Factory Lead Time: 10 Weeks	Cut Tape £0.511 £0.319 £0.215 £0.205 Reel £0.185 View £0.196 £0.18 £0.175 £0.173	Min.: 1 Mult.: 1 : 3,000	Disc Varistor, AdvanceD 10mm	MOVs	PCB Mount	Radial	150 VAC	200 VDC	240 V	395 V	12 mm	3.5 kA	30 J	430 pF	- 40 C	+ 105 C		Reel, Cut Tape
Varistors 440VAC 10% 5mm StandarD B72205S0441K101 TDK 1: £0.676 3,258In Stock	Mfr. Part No. B72205S0441K101 Mouser Part No 871-B72205S441K101	TDK	Varistors 440VAC 10% 5mm StandarD Learn More about TDK epcos lumileds led solutions	Datasheet	3,258In Stock	£0.676 £0.437 £0.272 £0.186 View £0.162 £0.145 £0.12 £0.109 £0.105	Min.: 1 Mult.: 1	Disc Varistor, StandarD 5mm	MOVs	PCB Mount	Radial	440 VAC	585 VDC	715 V	1.18 kV	5 mm	400 A	16 J	32 pF	- 40 C	+ 105 C		Bulk
Varistors 25VAC 10% 10mm StandarD B72210S0250K551 TDK 1: £0.841 573In Stock	Mfr. Part No. B72210S0250K551 Mouser Part No 871-B72210S0250K551	TDK	Varistors 25VAC 10% 10mm StandarD Learn More about TDK epcosvaristors	Datasheet	573In Stock	Cut Tape £0.841 £0.505 £0.318 £0.238 Reel £0.183 View £0.213 £0.168 £0.152 £0.149	Min.: 1 Mult.: 1 : 3,000	Disc Varistor, StandarD 10mm	MOVs	PCB Mount	Radial	25 VAC	31 VDC	39 V	77 V	10 mm	500 A	3.7 J	3.2 nF	- 40 C	+ 105 C		Reel, Cut Tape
Varistors 35VAC 10% 5mm StandarD B72205S0350K211 TDK 1: £0.278 8,660In Stock	Mfr. Part No. B72205S0350K211 Mouser Part No 871-B72205S0350K211	TDK	Varistors 35VAC 10% 5mm StandarD Learn More about TDK epcosvaristors	Datasheet	8,660In Stock	Cut Tape £0.278 £0.172 £0.137 £0.13 Reel £0.113 View £0.121 £0.115 £0.11 £0.107	Min.: 1 Mult.: 1 : 4,500	Disc Varistor, StandarD 5mm	MOVs	PCB Mount	Radial	35 VAC	45 VDC	56 V	110 V	5 mm	100 A	1.1 J	620 pF	- 40 C	+ 105 C		Reel, Cut Tape
Varistors 25VAC 10% 7mm StandarD B72207S0250K111 TDK 1: £0.255 6,309In Stock	Mfr. Part No. B72207S0250K111 Mouser Part No 871-B72207S0250K111	TDK	Varistors 25VAC 10% 7mm StandarD Learn More about TDK epcosvaristors	Datasheet	6,309In Stock	Cut Tape £0.255 £0.155 £0.123 £0.117 Reel £0.104 View £0.11 £0.104 £0.10	Min.: 1 Mult.: 1 : 6,000	Disc Varistor, StandarD 7mm	MOVs	PCB Mount	Radial	25 VAC	31 VDC	39 V	77 V	7 mm	250 A	1.6 J	1.4 nF	- 40 C	+ 105 C		Reel, Cut Tape
Varistors 14VAC 10% 7mm AEC-Q200 B72207S1140K111 TDK 1: £0.496 4,962In Stock	Mfr. Part No. B72207S1140K111 Mouser Part No 871-B72207S1140K111	TDK	Varistors 14VAC 10% 7mm AEC-Q200 Learn More about TDK automotive multilayer varistors	Datasheet	4,962In Stock	Cut Tape £0.496 £0.316 £0.308 £0.274 Reel £0.218 View £0.254 £0.237 £0.211 £0.208	Min.: 1 Mult.: 1 : 6,000	Disc Varistor, Auto-Grade 7mm	MOVs	PCB Mount	Radial	14 VAC				7 mm				- 40 C	+ 105 C	AEC-Q100	Reel, Cut Tape
Varistors 440VAC 10% 7mm StandarD B72207S0441K311 TDK 1: £0.361 5,912In Stock	Mfr. Part No. B72207S0441K311 Mouser Part No 871-B72207S441K311	TDK	Varistors 440VAC 10% 7mm StandarD Learn More about TDK epcos lumileds led solutions	Datasheet	5,912In Stock	Cut Tape £0.361 £0.224 £0.179 £0.164 Reel £0.128 View £0.152 £0.141 £0.12 £0.116	Min.: 1 Mult.: 1 : 5,000	Disc Varistor, StandarD 7mm	MOVs	PCB Mount	Radial	440 VAC	585 VDC	715 V	1.18 kV	7 mm	1.2 kA	34 J	72 pF	- 40 C	+ 105 C		Reel, Cut Tape
Varistors 385VAC 10% 14mm StandarD B72214S0381K551 TDK 1: £0.413 4,522In Stock	Mfr. Part No. B72214S0381K551 Mouser Part No 871-B72214S381K551	TDK	Varistors 385VAC 10% 14mm StandarD Learn More about TDK epcos lumileds led solutions	Datasheet	4,522In Stock	Cut Tape £0.413 £0.258 £0.208 £0.198 View Reel £0.157 £0.18 £0.17 £0.157	Min.: 1 Mult.: 1 : 4,000	Disc Varistor,StandarD 14mm	MOVs	PCB Mount	Radial	385 VAC	505 VDC	620 V	1.025 kV	14 mm	4.5 kA	80 J	315 pF	- 40 C	+ 105 C		Reel, Cut Tape
Varistors 50VAC 10% 20mm StandarD B72220S0500K551 TDK 1: £0.826 1,572In Stock	Mfr. Part No. B72220S0500K551 Mouser Part No 871-B72220S0500K551	TDK	Varistors 50VAC 10% 20mm StandarD Learn More about TDK epcosvaristors	Datasheet	1,572In Stock	Cut Tape £0.826 £0.539 £0.445 £0.426 Reel £0.393 View £0.411 £0.382 £0.343	Min.: 1 Mult.: 1 : 2,000	Disc Varistor, StandarD 20mm	MOVs	PCB Mount	Radial	50 VAC	65 VDC	82 V	135 V	20 mm	2 kA	27 J	3.8 nF	- 40 C	+ 105 C		Reel, Cut Tape
Varistors 385VAC 10% 7mm AdvanceD B72207S2381K101 TDK 1: £0.503 4,923In Stock	Mfr. Part No. B72207S2381K101 Mouser Part No 871-B72207S2381K101	TDK	Varistors 385VAC 10% 7mm AdvanceD Learn More about TDK epcosvaristors	Datasheet	4,923In Stock	£0.503 £0.326 £0.203 £0.139 View £0.12 £0.108 £0.089 £0.083 £0.081	Min.: 1 Mult.: 1	Disc Varistor, AdvanceD 7mm	MOVs	PCB Mount	Radial	385 VAC				7 mm				- 40 C	+ 105 C		Bulk
Varistors 25VAC 10% 5mm StandarD B72205S0250K211 TDK 1: £0.338 4,220In Stock	Mfr. Part No. B72205S0250K211 Mouser Part No 871-B72205S0250K211	TDK	Varistors 25VAC 10% 5mm StandarD Learn More about TDK epcosvaristors	Datasheet	4,220In Stock	Cut Tape £0.338 £0.207 £0.164 £0.156 Reel £0.112 View £0.149 £0.137 £0.109 £0.105	Min.: 1 Mult.: 1 : 4,500	Disc Varistor, StandarD 5mm	MOVs	PCB Mount	Radial	25 VAC	31 VDC	39 V	77 V	5 mm	100 A	700 mJ	850 pF	- 40 C	+ 105 C		Reel, Cut Tape
Varistors 50VAC 10% 7mm StandarD B72207S0500K311 TDK 1: £0.653 3,835In Stock	Mfr. Part No. B72207S0500K311 Mouser Part No 871-B72207S0500K311	TDK	Varistors 50VAC 10% 7mm StandarD Learn More about TDK epcosvaristors	Datasheet	3,835In Stock	Cut Tape £0.653 £0.42 £0.261 £0.179 Reel £0.115 View £0.155 £0.139 £0.102 £0.101	Min.: 1 Mult.: 1 : 4,500	Disc Varistor, StandarD 7mm	MOVs	PCB Mount	Radial	50 VAC	65 VDC	82 V	135 V	7 mm	250 A	4.2 J	530 pF	- 40 C	+ 105 C		Reel, Cut Tape
Varistors 230VAC 10% 14mm StandarD B72214S0231K551 TDK 1: £0.882 562In Stock	Mfr. Part No. B72214S0231K551 Mouser Part No 871-B72214S0231K551	TDK	Varistors 230VAC 10% 14mm StandarD Learn More about TDK epcosvaristors	Datasheet	562In Stock	Cut Tape £0.882 £0.53 £0.333 £0.25 Reel £0.192 View £0.223 £0.176 £0.159 £0.156	Min.: 1 Mult.: 1 : 3,000	Disc Varistor,StandarD 14mm	MOVs	PCB Mount	Radial	230 VAC	300 VDC	360 V	595 V	14 mm	4.5 kA	60 J	530 pF	- 40 C	+ 105 C		Reel, Cut Tape
Varistors 95VAC 10% 7mm StandarD B72207S0950K111 TDK 1: £0.271 6,000In Stock	Mfr. Part No. B72207S0950K111 Mouser Part No 871-B72207S0950K111	TDK	Varistors 95VAC 10% 7mm StandarD Learn More about TDK epcosvaristors	Datasheet	6,000In Stock	Cut Tape £0.271 £0.164 £0.131 £0.124 Reel £0.102 View £0.11 £0.104 £0.10	Min.: 1 Mult.: 1 : 6,000	Disc Varistor, StandarD 7mm	MOVs	PCB Mount	Radial	95 VAC	125 VDC	150 V	250 V	7 mm	250 A	7.6 J	335 pF	- 40 C	+ 105 C		Reel, Cut Tape
Varistors 14VAC 10% 7mm AEC-Q200 B72207S1140K201 TDK 1: £0.465 4,469In Stock	Mfr. Part No. B72207S1140K201 Mouser Part No 871-B72207S1140K201	TDK	Varistors 14VAC 10% 7mm AEC-Q200 Learn More about TDK automotive multilayer varistors	Datasheet	4,469In Stock	£0.465 £0.293 £0.238 £0.227 View £0.217 £0.209 £0.202 £0.196 £0.186	Min.: 1 Mult.: 1	Disc Varistor, Auto-Grade 7mm	MOVs	PCB Mount	Radial	14 VAC	16 VDC	22 V	43 V	7 mm	250 A	900 mJ	2.3 nF	- 40 C	+ 105 C	AEC-Q100	Bulk
Varistors 40VAC 10% 7mm StandarD B72207S0400K101 TDK 1: £0.217 8,385In Stock	Mfr. Part No. B72207S0400K101 Mouser Part No 871-B72207S400K101	TDK	Varistors 40VAC 10% 7mm StandarD Learn More about TDK epcosvaristors	Datasheet	8,385In Stock	£0.217 £0.132 £0.105 £0.10 View £0.086 £0.083 £0.078	Min.: 1 Mult.: 1	Disc Varistor, StandarD 7mm	MOVs	PCB Mount	Radial	40 VAC	56 VDC	68 V	135 V	7 mm	250 A	3 J	900 pF	- 40 C	+ 105 C		Bulk
Varistors 150VAC 10% 10mm AdvanceD B72210S2151K101 TDK 1: £0.263 3,940In Stock	Mfr. Part No. B72210S2151K101 Mouser Part No 871-B72210S2151K101	TDK	Varistors 150VAC 10% 10mm AdvanceD Learn More about TDK epcosvaristors	Datasheet	3,940In Stock	£0.263 £0.175 £0.148 £0.141 View £0.14 £0.133	Min.: 1 Mult.: 1	Disc Varistor, AdvanceD 10mm	MOVs	PCB Mount	Radial	150 VAC	200 VDC	240 V	395 V	12 mm	3.5 kA	30 J	430 pF	- 40 C	+ 105 C		Bulk
Varistors 550VAC 10% 14mm AdvanceD B72214S2551K101 TDK 1: £0.796 2,701In Stock	Mfr. Part No. B72214S2551K101 Mouser Part No 871-B72214S2551K101	TDK	Varistors 550VAC 10% 14mm AdvanceD Learn More about TDK epcosvaristors	Datasheet	2,701In Stock	£0.796 £0.518 £0.427 £0.41 View £0.395 £0.376 £0.368 £0.361	Min.: 1 Mult.: 1	Disc Varistor, AdvanceD 14mm	MOVs	PCB Mount	Radial	550 VAC	745 VDC	910 V			5 kA	180 J	170 pF	- 40 C	+ 105 C		Bulk
Varistors 320VAC 10% 20mm AdvanceD B72220S2321K101 TDK 1: £0.78 2,792In Stock	Mfr. Part No. B72220S2321K101 Mouser Part No 871-B72220S2321K101	TDK	Varistors 320VAC 10% 20mm AdvanceD Learn More about TDK epcosvaristors	Datasheet	2,792In Stock	£0.78 £0.505 £0.416 £0.398 View £0.383 £0.362 £0.352 £0.33 £0.325	Min.: 1 Mult.: 1	Disc Varistor, AdvanceD 20mm	MOVs	PCB Mount	Radial	320 VAC	420 VDC	510 V	840 V	21.5 mm	1 kA	273 J	720 pF	- 40 C	+ 105 C		Bulk
Varistors 175VAC 10% 5mm StandarD B72205S0171K101 TDK 1: £0.203 7,438In Stock	Mfr. Part No. B72205S0171K101 Mouser Part No 871-B72205S171K101	TDK	Varistors 175VAC 10% 5mm StandarD Learn More about TDK epcosvaristors	Datasheet	7,438In Stock	£0.203 £0.125 £0.099 £0.093 View £0.089 £0.085 £0.081	Min.: 1 Mult.: 1	Disc Varistor, StandarD 5mm	MOVs	PCB Mount	Radial	175 VAC	225 VDC	270 V	455 V	5 mm	400 A	5.6 J	75 pF	- 40 C	+ 105 C		Bulk
Varistors 60VAC 10% 10mm StandarD B72210S0600K151 TDK 1: £0.375 4,437In Stock	Mfr. Part No. B72210S0600K151 Mouser Part No 871-B72210S0600K151	TDK	Varistors 60VAC 10% 10mm StandarD Learn More about TDK epcosvaristors	Datasheet	4,437In Stock	Cut Tape £0.375 £0.233 £0.188 Reel £0.188	Min.: 1 Mult.: 1 : 3,000	Disc Varistor, StandarD 10mm	MOVs	PCB Mount	Radial	60 VAC	85 VDC	100 V	165 V	10 mm	500 A	10 J	870 pF	- 40 C	+ 105 C		Reel, Cut Tape
Varistors 150VAC 10% 14mm StandarD B72214S0151K551 TDK 1: £0.45 3,940In Stock	Mfr. Part No. B72214S0151K551 Mouser Part No 871-B72214S0151K551	TDK	Varistors 150VAC 10% 14mm StandarD Learn More about TDK epcosvaristors	Datasheet	3,940In Stock	Cut Tape £0.45 £0.284 £0.23 £0.219 Reel £0.196 View £0.207 £0.192 £0.188	Min.: 1 Mult.: 1 : 3,000	Disc Varistor,StandarD 14mm	MOVs	PCB Mount	Radial	150 VAC	200 VDC	240 V	395 V	14 mm	4.5 kA	40 J	750 pF	- 40 C	+ 105 C		Reel, Cut Tape
Varistors 230VAC 10% 20mm SuperioR B72220S3231K101 TDK 1: £1.36 1,370In Stock	Mfr. Part No. B72220S3231K101 Mouser Part No 871-B72220S3231K101	TDK	Varistors 230VAC 10% 20mm SuperioR Learn More about TDK epcosvaristors	Datasheet	1,370In Stock	£1.36 £0.908 £0.811 £0.759 View £0.729 £0.678 £0.668 £0.624 £0.623	Min.: 1 Mult.: 1	Disc Varistor, Multi-Pulse SuperioR 20mm	MOVs	PCB Mount	Radial	230 VAC	300 VDC	360 V	595 V	22.5 mm	12 kA	220 J	760 pF	- 40 C	+ 105 C		Bulk