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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 20VAC 10% 10mm StandarD B72210S0200K101 TDK 1: £0.308 8,929In Stock	Mfr. Part No. B72210S0200K101 Mouser Part No 871-B72210S200K101	TDK	Varistors 20VAC 10% 10mm StandarD Learn More about TDK epcosvaristors	Datasheet	8,929In Stock	£0.308 £0.19 £0.153 £0.145 View £0.144 £0.135 £0.127	Min.: 1 Mult.: 1	Disc Varistor, StandarD 10mm	MOVs	PCB Mount	Radial	20 VAC	26 VDC	33 V	65 V	10 mm	500 A	3.1 J	3.65 nF	- 40 C	+ 105 C	Bulk
Varistors 140VAC 10% 10mm AdvanceD B72210S2141K101 TDK 1: £0.361 9,395In Stock	Mfr. Part No. B72210S2141K101 Mouser Part No 871-B72210S2141K101	TDK	Varistors 140VAC 10% 10mm AdvanceD Learn More about TDK epcosvaristors	Datasheet	9,395In Stock	£0.361 £0.226 £0.182 £0.173 View £0.166 £0.158 £0.154 £0.15	Min.: 1 Mult.: 1	Disc Varistor, AdvanceD 10mm	MOVs	PCB Mount	Radial	140 VAC	180 VDC	220 V	360 V	12 mm	3.5 kA	27.5 J	370 pF	- 40 C	+ 105 C	Bulk
Varistors 25VAC 10% 10mm StandarD B72210S0250K101 TDK 1: £0.308 27,815In Stock	Mfr. Part No. B72210S0250K101 Mouser Part No 871-B72210S250K101	TDK	Varistors 25VAC 10% 10mm StandarD Learn More about TDK epcosvaristors	Datasheet	27,815In Stock	£0.308 £0.19 £0.153 £0.145 View £0.139 £0.132 £0.128 £0.126 £0.125	Min.: 1 Mult.: 1	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	Bulk
Varistors 510VAC 10% 10mm AdvanceD B72210S2511K101 TDK 1: £0.691 5,897In Stock 6,000Expected 21/12/2026	Mfr. Part No. B72210S2511K101 Mouser Part No 871-B72210S2511K101	TDK	Varistors 510VAC 10% 10mm AdvanceD Learn More about TDK epcosvaristors	Datasheet	5,897In Stock 6,000Expected 21/12/2026	£0.691 £0.443 £0.364 £0.348 View £0.335 £0.318 £0.292	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 250VAC 10% 10mm StandarD B72210S0251K101 TDK 1: £0.263 11,205In Stock	Mfr. Part No. B72210S0251K101 Mouser Part No 871-B72210S251K101	TDK	Varistors 250VAC 10% 10mm StandarD Learn More about TDK epcosvaristors	Datasheet	11,205In Stock	£0.263 £0.163 £0.13 £0.124 View £0.119 £0.113 £0.11 £0.103	Min.: 1 Mult.: 1	Disc Varistor, StandarD 10mm	MOVs	PCB Mount	Radial	250 VAC	320 VDC	390 V	650 V	10 mm	2.5 kA	38 J	215 pF	- 40 C	+ 105 C	Bulk
Varistors 275VAC 10% 10mm StandarD B72210S0271K101 TDK 1: £0.263 49,364In Stock	Mfr. Part No. B72210S0271K101 Mouser Part No 871-B72210S271K101	TDK	Varistors 275VAC 10% 10mm StandarD Learn More about TDK epcosvaristors	Datasheet	49,364In Stock	£0.263 £0.163 £0.13 £0.119 View £0.11 £0.109	Min.: 1 Mult.: 1	Disc Varistor, StandarD 10mm	MOVs	PCB Mount	Radial	275 VAC	350 VDC	430 V	710 V	10 mm	2.5 kA	43 J	195 pF	- 40 C	+ 105 C	Bulk
Varistors 300VAC 10% 10mm StandarD B72210S0301K101 TDK 1: £0.263 39,745In Stock	Mfr. Part No. B72210S0301K101 Mouser Part No 871-B72210S301K101	TDK	Varistors 300VAC 10% 10mm StandarD Learn More about TDK epcosvaristors	Datasheet	39,745In Stock	£0.263 £0.163 £0.13 £0.124 View £0.119 £0.113 £0.11 £0.109	Min.: 1 Mult.: 1	Disc Varistor, StandarD 10mm	MOVs	PCB Mount	Radial	300 VAC	385 VDC	470 V	775 V	10 mm	2.5 kA	47 J	180 pF	- 40 C	+ 105 C	Bulk
Varistors 35VAC 10% 10mm StandarD B72210S0350K101 TDK 1: £0.308 14,876In Stock	Mfr. Part No. B72210S0350K101 Mouser Part No 871-B72210S350K101	TDK	Varistors 35VAC 10% 10mm StandarD Learn More about TDK epcosvaristors	Datasheet	14,876In Stock	£0.308 £0.19 £0.153 £0.145 View £0.139 £0.136 £0.132 £0.125	Min.: 1 Mult.: 1	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	Bulk
Varistors 50VAC 10% 10mm StandarD B72210S0500K101 TDK 1: £0.308 10,736In Stock	Mfr. Part No. B72210S0500K101 Mouser Part No 871-B72210S500K101	TDK	Varistors 50VAC 10% 10mm StandarD Learn More about TDK epcosvaristors	Datasheet	10,736In Stock	£0.308 £0.19 £0.153 £0.145 View £0.139 £0.132 £0.124 £0.121	Min.: 1 Mult.: 1	Disc Varistor, StandarD 10mm	MOVs	PCB Mount	Radial	50 VAC	65 VDC	82 V	135 V	10 mm	2.5 kA	8.4 J	950 pF	- 40 C	+ 105 C	Bulk
Varistors 130VAC 10% 14mm MP AdvanceD B72214P2131K101 TDK 1: £0.63 5,980In Stock	Mfr. Part No. B72214P2131K101 Mouser Part No 871-B72214P2131K101	TDK	Varistors 130VAC 10% 14mm MP AdvanceD Learn More about TDK epcosvaristors	Datasheet	5,980In Stock	£0.63 £0.403 £0.33 £0.315 View £0.303 £0.294 £0.259 £0.235	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 300VAC 10% 14mm MP AdvanceD B72214P2301K101 TDK 1: £0.315 15,832In Stock	Mfr. Part No. B72214P2301K101 Mouser Part No 871-B72214P2301K101	TDK	Varistors 300VAC 10% 14mm MP AdvanceD Learn More about TDK epcosvaristors	Datasheet	15,832In Stock	£0.315 £0.202 £0.196 £0.178	Min.: 1 Mult.: 1	Disc Varistor, Multi_Pulse AdvanceD 14mm	MOVs	PCB Mount	Radial	300 VAC	385 VDC	470 V	775 V	16 mm	6 kA	140 J	485 pF	- 40 C	+ 105 C	Bulk
Varistors 385VAC 10% 14mm MP AdvanceD B72214P2381K101 TDK 1: £0.563 11,321In Stock	Mfr. Part No. B72214P2381K101 Mouser Part No 871-B72214P2381K101	TDK	Varistors 385VAC 10% 14mm MP AdvanceD Learn More about TDK epcosvaristors	Datasheet	11,321In Stock	£0.563 £0.354 £0.287 £0.265 View £0.244 £0.224 £0.205 £0.20	Min.: 1 Mult.: 1	Disc Varistor, Multi_Pulse AdvanceD 14mm	MOVs	PCB Mount	Radial	385 VAC	505 VDC	620 V	1.025 kV	16.5 mm	6 kA	180 J	390 pF	- 40 C	+ 105 C	Bulk
Varistors 510VAC 10% 14mm MP AdvanceD B72214P2511K101 TDK 1: £0.773 5,735In Stock	Mfr. Part No. B72214P2511K101 Mouser Part No 871-B72214P2511K101	TDK	Varistors 510VAC 10% 14mm MP AdvanceD Learn More about TDK epcosvaristors	Datasheet	5,735In Stock	£0.773 £0.498 £0.439	Min.: 1 Mult.: 1	Disc Varistor, Multi_Pulse AdvanceD 14mm	MOVs	PCB Mount	Radial	510 VAC	670 VDC	820 V	1.355 kV	0.8 mm	6 kA	200 J	300 pF	- 40 C	+ 105 C	Bulk
Varistors Leaded Varistor, 240pF 625VAC, 825VDC B72214P2621K101 TDK 1: £1.02 7,126In Stock	Mfr. Part No. B72214P2621K101 Mouser Part No 871-B72214P2621K101	TDK	Varistors Leaded Varistor, 240pF 625VAC, 825VDC Learn More about TDK epcosvaristors	Datasheet	7,126In Stock	£1.02 £0.67 £0.593 £0.557 View £0.508 £0.496 £0.491 £0.457	Min.: 1 Mult.: 1	Disc Varistor, Multi_Pulse AdvanceD 14mm	MOVs	PCB Mount	Radial	625 VAC	825 VDC	1 kV	1.65 kV	17 mm	6 kA	240 J	240 pF	- 40 C	+ 105 C	Bulk
Varistors 275VAC 10% 14mm EnergetiQ B72214Q0271K101 TDK 1: £0.871 3,748In Stock	Mfr. Part No. B72214Q0271K101 Mouser Part No 871-B72214Q271K101	TDK	Varistors 275VAC 10% 14mm EnergetiQ Learn More about TDK epcosvaristors	Datasheet	3,748In Stock	£0.871 £0.571 £0.472 £0.454 View £0.446 £0.426 £0.407	Min.: 1 Mult.: 1	Disc Varistor, EnergetiQ 14mm	MOVs	PCB Mount	Radial	275 VAC	350 VDC	430 V	710 V	14 mm	8 kA	150 J	470 pF	- 40 C	+ 105 C	Bulk
Varistors 150VAC 10% 14mm StandarD B72214S0151K151 TDK 1: £0.473 5,735In Stock	Mfr. Part No. B72214S0151K151 Mouser Part No 871-B72214S0151K151	TDK	Varistors 150VAC 10% 14mm StandarD Learn More about TDK epcosvaristors	Datasheet	5,735In Stock	Cut Tape £0.473 £0.30 £0.244 £0.232 Reel £0.199 View £0.223 £0.194 £0.188 £0.185	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 625VAC 10% 14mm StandarD B72214S0621K101 TDK 1: £0.63 4,170In Stock	Mfr. Part No. B72214S0621K101 Mouser Part No 871-B72214S0621K101	TDK	Varistors 625VAC 10% 14mm StandarD Learn More about TDK epcosvaristors	Datasheet	4,170In Stock	£0.63 £0.403 £0.33 £0.315 View £0.304 £0.289 £0.282	Min.: 1 Mult.: 1	Disc Varistor,StandarD 14mm	MOVs	PCB Mount	Radial	625 VAC	825 VDC	1 kV	1.65 kV	14 mm	4.5 kA	130 J	200 pF	- 40 C	+ 105 C	Bulk
Varistors 680VAC 10% 14mm StandarD B72214S0681K331 TDK 1: £0.713 6,635In Stock	Mfr. Part No. B72214S0681K331 Mouser Part No 871-B72214S0681K331	TDK	Varistors 680VAC 10% 14mm StandarD Learn More about TDK epcosvaristors	Datasheet	6,635In Stock	Cut Tape £0.713 £0.458 £0.377 Reel £0.351 £0.329 View £0.317 £0.299	Min.: 1 Mult.: 1 : 3,500	Disc Varistor,StandarD 14mm	MOVs	PCB Mount	Radial	680 VAC	895 VDC	1.1 kV	1.815 kV	14 mm	4.5 kA	140 J	180 pF	- 40 C	+ 105 C	Reel, Cut Tape
Varistors 1000VAC 10% 14mm StandarD B72214S0102K101 TDK 1: £1.99 1,274In Stock 3,000Expected 10/11/2026	Mfr. Part No. B72214S0102K101 Mouser Part No 871-B72214S102K101	TDK	Varistors 1000VAC 10% 14mm StandarD Learn More about TDK epcosvaristors	Datasheet	1,274In Stock 3,000Expected 10/11/2026	£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 130VAC 10% 14mm StandarD B72214S0131K101 TDK 1: £0.39 8,316In Stock	Mfr. Part No. B72214S0131K101 Mouser Part No 871-B72214S131K101	TDK	Varistors 130VAC 10% 14mm StandarD Learn More about TDK epcosvaristors	Datasheet	8,316In Stock	£0.39 £0.245 £0.197 £0.189 View £0.181 £0.171 £0.167 £0.166	Min.: 1 Mult.: 1	Disc Varistor,StandarD 14mm	MOVs	PCB Mount	Radial	130 VAC	170 VDC	205 V	340 V	14 mm	4.5 kA	34 J	650 pF	- 40 C	+ 105 C	Bulk
Varistors 150VAC 10% 14mm StandarD B72214S0151K101 TDK 1: £0.39 20,274In Stock	Mfr. Part No. B72214S0151K101 Mouser Part No 871-B72214S151K101	TDK	Varistors 150VAC 10% 14mm StandarD Learn More about TDK epcosvaristors	Datasheet	20,274In Stock	£0.39 £0.245 £0.197 £0.189 View £0.181 £0.173 £0.168	Min.: 1 Mult.: 1	Disc Varistor,StandarD 14mm	MOVs	PCB Mount	Radial	150 VAC	200 VDC	240 V	395 V	15.5 mm	4.5 kA	40 J	750 pF	- 40 C	+ 105 C	Bulk
Varistors 175VAC 10% 14mm StandarD B72214S0171K101 TDK 1: £0.338 13,663In Stock 30,000Expected 07/12/2026	Mfr. Part No. B72214S0171K101 Mouser Part No 871-B72214S171K101	TDK	Varistors 175VAC 10% 14mm StandarD Learn More about TDK epcosvaristors	Datasheet	13,663In Stock 30,000Expected 07/12/2026	£0.338 £0.21 £0.169 £0.161 View £0.154 £0.148 £0.142 £0.139 £0.138	Min.: 1 Mult.: 1	Disc Varistor,StandarD 14mm	MOVs	PCB Mount	Radial	175 VAC	225 VDC	270 V	455 V	14 mm	4.5 kA	46 J	490 pF	- 40 C	+ 105 C	Bulk
Varistors 20VAC 10% 14mm StandarD B72214S0200K101 TDK 1: £0.248 8,972In Stock	Mfr. Part No. B72214S0200K101 Mouser Part No 871-B72214S200K101	TDK	Varistors 20VAC 10% 14mm StandarD Learn More about TDK epcosvaristors	Datasheet	8,972In Stock	£0.248 £0.162 £0.161 £0.155	Min.: 1 Mult.: 1	Disc Varistor,StandarD 14mm	MOVs	PCB Mount	Radial	20 VAC	26 VDC	33 V	65 V	14 mm	1 kA	6 J	6.8 nF	- 40 C	+ 105 C	Bulk
Varistors 275VAC 10% 14mm AdvanceD B72214S2271K101 TDK 1: £0.398 17,992In Stock	Mfr. Part No. B72214S2271K101 Mouser Part No 871-B72214S2271K101	TDK	Varistors 275VAC 10% 14mm AdvanceD Learn More about TDK epcosvaristors	Datasheet	17,992In Stock	£0.398 £0.249 £0.201 £0.163 £0.148	Min.: 1 Mult.: 1	Disc Varistor, AdvanceD 14mm	MOVs	PCB Mount	Radial	275 VAC	350 VDC	430 V	710 V	15.5 mm	6 kA	110 J	440 pF	- 40 C	+ 105 C	Bulk
Varistors 300VAC 10% 14mm AdvanceD B72214S2301K101 TDK 1: £0.255 13,105In Stock 18,000Expected 28/10/2026	Mfr. Part No. B72214S2301K101 Mouser Part No 871-B72214S2301K101	TDK	Varistors 300VAC 10% 14mm AdvanceD Learn More about TDK epcosvaristors	Datasheet	13,105In Stock 18,000Expected 28/10/2026	£0.255 £0.163 £0.148	Min.: 1 Mult.: 1	Disc Varistor, AdvanceD 14mm	MOVs	PCB Mount	Radial	300 VAC	385 VDC	470 V	775 V	15.5 mm	6 kA	125 J	400 pF	- 40 C	+ 105 C	Bulk