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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	Package/Case	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 300VAC 10% 14mm StandarD B72214S0301K101 TDK 1: 0,387 € 31.056In Stock	Mfr. Part No. B72214S0301K101 Mouser Part No 871-B72214S301K101	TDK	Varistors 300VAC 10% 14mm StandarD Learn More about TDK epcosvaristors	Datasheet	31.056In Stock	0,387 € 0,241 € 0,194 € 0,184 € View 0,176 € 0,169 € 0,163 €	Min.: 1 Mult.: 1	Disc Varistor,StandarD 14mm	MOVs	PCB Mount	Radial		300 VAC	385 VDC	470 V	775 V	14 mm	4.5 kA	76 J	300 pF	- 40 C	+ 105 C		Bulk
Varistors 320VAC 10% 14mm StandarD B72214S0321K101 TDK 1: 0,387 € 17.817In Stock	Mfr. Part No. B72214S0321K101 Mouser Part No 871-B72214S321K101	TDK	Varistors 320VAC 10% 14mm StandarD Learn More about TDK epcosvaristors	Datasheet	17.817In Stock	0,387 € 0,241 € 0,194 € 0,182 € View 0,172 € 0,169 € 0,16 € 0,159 €	Min.: 1 Mult.: 1	Disc Varistor,StandarD 14mm	MOVs	PCB Mount	Radial		320 VAC	420 VDC	510 V	840 V	14 mm	4.5 kA	84 J	280 pF	- 40 C	+ 105 C		Bulk
Varistors 35VAC 10% 14mm StandarD B72214S0350K101 TDK 1: 0,447 € 13.927In Stock	Mfr. Part No. B72214S0350K101 Mouser Part No 871-B72214S350K101	TDK	Varistors 35VAC 10% 14mm StandarD Learn More about TDK epcosvaristors	Datasheet	13.927In Stock	0,447 € 0,281 € 0,226 € 0,216 € View 0,207 € 0,196 € 0,191 € 0,188 € 0,182 €	Min.: 1 Mult.: 1	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		Bulk
Varistors 420VAC 10% 14mm StandarD B72214S0421K101 TDK 1: 0,611 € 7.220In Stock	Mfr. Part No. B72214S0421K101 Mouser Part No 871-B72214S421K101	TDK	Varistors 420VAC 10% 14mm StandarD Learn More about TDK epcosvaristors	Datasheet	7.220In Stock	0,611 € 0,387 € 0,316 € 0,301 € View 0,29 € 0,288 € 0,273 € 0,261 € 0,237 €	Min.: 1 Mult.: 1	Disc Varistor,StandarD 14mm	MOVs	PCB Mount	Radial		420 VAC	560 VDC	680 V	1.12 kV	14 mm	4.5 kA	90 J	220 pF	- 40 C	+ 105 C		Bulk
Varistors 50VAC 10% 14mm StandarD B72214S0500K101 TDK 1: 0,447 € 14.296In Stock 23.988Expected 12/7/2026	Mfr. Part No. B72214S0500K101 Mouser Part No 871-B72214S500K101	TDK	Varistors 50VAC 10% 14mm StandarD Learn More about TDK epcosvaristors	Datasheet	14.296In Stock 23.988Expected 12/7/2026	0,447 € 0,281 € 0,226 € 0,206 € View 0,187 € 0,171 € 0,161 € 0,138 € 0,13 €	Min.: 1 Mult.: 1	Disc Varistor,StandarD 14mm	MOVs	PCB Mount	Radial		50 VAC	65 VDC	82 V	135 V	14 mm	4.5 kA	15 J	1.8 nF	- 40 C	+ 105 C		Bulk
Varistors 680VAC 10% 14mm StandarD B72214S0681K101 TDK 1: 0,722 € 8.675In Stock	Mfr. Part No. B72214S0681K101 Mouser Part No 871-B72214S681K101	TDK	Varistors 680VAC 10% 14mm StandarD Learn More about TDK epcosvaristors	Datasheet	8.675In Stock	0,722 € 0,462 € 0,378 € 0,361 € View 0,348 € 0,33 € 0,323 € 0,321 €	Min.: 1 Mult.: 1	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		Bulk
Varistors 75VAC 10% 14mm StandarD B72214S0750K101 TDK 1: 0,447 € 14.789In Stock	Mfr. Part No. B72214S0750K101 Mouser Part No 871-B72214S750K101	TDK	Varistors 75VAC 10% 14mm StandarD Learn More about TDK epcosvaristors	Datasheet	14.789In Stock	0,447 € 0,281 € 0,226 € 0,216 € View 0,207 € 0,192 € 0,189 € 0,188 € 0,168 €	Min.: 1 Mult.: 1	Disc Varistor,StandarD 14mm	MOVs	PCB Mount	Radial		75 VAC	100 VDC	120 V	200 V	14 mm	4.5 kA	20 J	1.37 nF	- 40 C	+ 105 C		Bulk
Varistors 275VAC 10% 20mm SuperioR MP B72220P3271K101 TDK 1: 1,24 € 5.070In Stock	Mfr. Part No. B72220P3271K101 Mouser Part No 871-B72220P3271K101	TDK	Varistors 275VAC 10% 20mm SuperioR MP Learn More about TDK epcosvaristors	Datasheet	5.070In Stock	1,24 € 0,819 € 0,725 € 0,681 € View 0,654 € 0,585 €	Min.: 1 Mult.: 1	Disc Varistor, Multi-Pulse SuperioR 20mm	MOVs	PCB Mount	Radial		275 VAC	350 VDC	430 V	710 V	22.5 mm	12 kA	280 J	1.15 nF	- 40 C	+ 105 C		Bulk
Varistors 300VAC 10% 20mm SuperioR MP B72220P3301K101 TDK 1: 1,24 € 2.578In Stock	Mfr. Part No. B72220P3301K101 Mouser Part No 871-B72220P3301K101	TDK	Varistors 300VAC 10% 20mm SuperioR MP Learn More about TDK epcosvaristors	Datasheet	2.578In Stock	1,24 € 0,819 € 0,794 €	Min.: 1 Mult.: 1	Disc Varistor, Multi-Pulse SuperioR 20mm	MOVs	PCB Mount	Radial		300 VAC	385 VDC	470 V	775 V	22.5 mm	12 kA	305 J	1.05 nF	- 40 C	+ 105 C		Bulk
Varistors 420VAC 10% 20mm SuperioR MP B72220P3421K101 TDK 1: 1,44 € 11.029In Stock	Mfr. Part No. B72220P3421K101 Mouser Part No 871-B72220P3421K101	TDK	Varistors 420VAC 10% 20mm SuperioR MP Learn More about TDK epcosvaristors	Datasheet	11.029In Stock	1,44 € 0,963 € 0,856 € 0,804 € View 0,774 € 0,728 € 0,708 € 0,701 €	Min.: 1 Mult.: 1	Disc Varistor, Multi-Pulse SuperioR 20mm	MOVs	PCB Mount	Radial	2220 (5750 metric)	420 VAC	560 VDC	680 V	1.12 kV	20 mm	12 kA	405 J	730 pF	- 40 C	+ 105 C		Bulk
Varistors 130VAC 10% 20mm EnergetiQ B72220Q0131K101 TDK 1: 1,68 € 2.603In Stock	Mfr. Part No. B72220Q0131K101 Mouser Part No 871-B72220Q0131K101	TDK	Varistors 130VAC 10% 20mm EnergetiQ Learn More about TDK epcosvaristors	Datasheet	2.603In Stock	1,68 € 1,13 € 0,998 € 0,946 € View 0,912 € 0,856 € 0,805 €	Min.: 1 Mult.: 1	Disc Varistor, EnergetiQ 20mm	MOVs	PCB Mount	Radial		130 VAC	170 VDC	205 V	340 V	22.5 mm	15 kA	100 J	1.95 nF	- 40 C	+ 105 C		Bulk
Varistors 275VAC 10% 20mm EnergetiQ B72220Q0271K101 TDK 1: 1,44 € 2.257In Stock	Mfr. Part No. B72220Q0271K101 Mouser Part No 871-B72220Q271K101	TDK	Varistors 275VAC 10% 20mm EnergetiQ Learn More about TDK epcosvaristors	Datasheet	2.257In Stock	1,44 € 0,963 € 0,851 € 0,801 € View 0,77 € 0,744 € 0,697 €	Min.: 1 Mult.: 1	Disc Varistor, EnergetiQ 20mm	MOVs	PCB Mount	Radial		275 VAC	350 VDC	430 V	710 V	20 mm	15 kA	215 J	930 pF	- 40 C	+ 105 C		Bulk
Varistors 1000VAC 10% 20mm StandarD B72220S0102K101 TDK 1: 3,08 € 3.711In Stock	Mfr. Part No. B72220S0102K101 Mouser Part No 871-B72220S0102K101	TDK	Varistors 1000VAC 10% 20mm StandarD Learn More about TDK epcosvaristors	Datasheet	3.711In Stock	3,08 € 2,32 € 2,12 € 1,92 € View 1,81 € 1,75 € 1,66 € 1,63 €	Min.: 1 Mult.: 1	Disc Varistor, StandarD 20mm	MOVs	PCB Mount	Radial		1.1 kVAC	1.465 kVDC	1.8 kV	2.97 kV	21.5 mm	6.5 kA	410 J	210 pF	- 40 C	+ 105 C		Bulk
Varistors 680VAC 10% 20mm StandarD B72220S0681K101 TDK 1: 1,41 € 2.676In Stock	Mfr. Part No. B72220S0681K101 Mouser Part No 871-B72220S0681K101	TDK	Varistors 680VAC 10% 20mm StandarD Learn More about TDK epcosvaristors	Datasheet	2.676In Stock	1,41 € 0,937 € 0,832 € 0,782 € View 0,752 € 0,703 € 0,686 € 0,679 € 0,678 €	Min.: 1 Mult.: 1	Disc Varistor, StandarD 20mm	MOVs	PCB Mount	Radial		680 VAC	895 VDC	1.1 kV	1.815 kV	21.5 mm	6.5 kA	250 J	340 pF	- 40 C	+ 105 C		Bulk
Varistors 25VAC 10% 20mm AEC-Q200 B72220S1250K102 TDK 1: 2,43 € 1.477In Stock	Mfr. Part No. B72220S1250K102 Mouser Part No 871-B72220S1250K102	TDK	Varistors 25VAC 10% 20mm AEC-Q200 Learn More about TDK automotive multilayer varistors	Datasheet	1.477In Stock	2,43 € 1,81 € 1,66 € 1,50 € View 1,41 € 1,36 € 1,30 € 1,26 €	Min.: 1 Mult.: 1	Disc Varistor, Auto-Grade 20mm	MOVs	PCB Mount	Radial		25 VAC	28 VDC	39 V	77 V	23 mm	2 kA	100 J	11.1 nF	- 40 C	+ 105 C	AEC-Q100	Bulk
Varistors 30VAC 10% 20mm AEC-Q200 B72220S1300K102 TDK 1: 2,43 € 2.394In Stock	Mfr. Part No. B72220S1300K102 Mouser Part No 871-B72220S1300K102	TDK	Varistors 30VAC 10% 20mm AEC-Q200 Learn More about TDK automotive multilayer varistors	Datasheet	2.394In Stock	2,43 € 1,81 € 1,66 € 1,50 € View 1,41 € 1,36 € 1,30 € 1,26 €	Min.: 1 Mult.: 1	Disc Varistor, Auto-Grade 20mm	MOVs	PCB Mount	Radial		30 VAC	34 VDC	47 V	93 V	23 mm	2 kA	100 J	9.4 nF	- 40 C	+ 105 C	AEC-Q100	Bulk
Varistors 150VAC 10% 20mm StandarD B72220S0151K101 TDK 1: 1,06 € 4.574In Stock 2.177Expected 1/4/2027	Mfr. Part No. B72220S0151K101 Mouser Part No 871-B72220S151K101	TDK	Varistors 150VAC 10% 20mm StandarD Learn More about TDK epcosvaristors	Datasheet	4.574In Stock 2.177Expected 1/4/2027	1,06 € 0,685 € 0,499 € 0,459 € View 0,443 € 0,421 € 0,399 € 0,396 €	Min.: 1 Mult.: 1	Disc Varistor, StandarD 20mm	MOVs	PCB Mount	Radial		150 VAC	200 VDC	240 V	395 V	20 mm	8 kA	85 J	1.16 nF	- 40 C	+ 105 C		Bulk
Varistors 175VAC 10% 20mm StandarD B72220S0171K101 TDK 1: 0,757 € 11.580In Stock	Mfr. Part No. B72220S0171K101 Mouser Part No 871-B72220S171K101	TDK	Varistors 175VAC 10% 20mm StandarD Learn More about TDK epcosvaristors	Datasheet	11.580In Stock	0,757 € 0,489 € 0,401 € 0,384 € View 0,37 € 0,347 € 0,34 €	Min.: 1 Mult.: 1	Disc Varistor, StandarD 20mm	MOVs	PCB Mount	Radial		175 VAC	225 VDC	270 V	455 V	20 mm	8 kA	98 J	1 nF	- 40 C	+ 105 C		Bulk
Varistors 250VAC 10% 20mm AdvanceD B72220S2251K101 TDK 1: 0,894 € 3.281In Stock 7.500Expected 1/6/2027	Mfr. Part No. B72220S2251K101 Mouser Part No 871-B72220S2251K101	TDK	Varistors 250VAC 10% 20mm AdvanceD Learn More about TDK epcosvaristors	Datasheet	3.281In Stock 7.500Expected 1/6/2027	0,894 € 0,578 € 0,476 € 0,456 € View 0,431 € 0,42 € 0,409 €	Min.: 1 Mult.: 1	Disc Varistor, AdvanceD 20mm	MOVs	PCB Mount	Radial		250 VAC	320 VDC	390 V	650 V	21.5 mm	1 kA	195 J	940 pF	- 40 C	+ 105 C		Bulk
Varistors 275VAC 10% 20mm AdvanceD B72220S2271K101 TDK 1: 0,894 € 10.754In Stock	Mfr. Part No. B72220S2271K101 Mouser Part No 871-B72220S2271K101	TDK	Varistors 275VAC 10% 20mm AdvanceD Learn More about TDK epcosvaristors	Datasheet	10.754In Stock	0,894 € 0,578 € 0,476 € 0,442 € View 0,423 € 0,415 € 0,406 € 0,405 €	Min.: 1 Mult.: 1	Disc Varistor, AdvanceD 20mm	MOVs	PCB Mount	Radial		275 VAC	350 VDC	430 V	710 V	21.5 mm	1 kA	215 J	850 pF	- 40 C	+ 105 C		Bulk
Varistors 300VAC 10% 20mm AdvanceD B72220S2301K101 TDK 1: 0,592 € 9.636In Stock 16.800Expected 12/4/2026	Mfr. Part No. B72220S2301K101 Mouser Part No 871-B72220S2301K101	TDK	Varistors 300VAC 10% 20mm AdvanceD Learn More about TDK epcosvaristors	Datasheet	9.636In Stock 16.800Expected 12/4/2026	0,592 €	Min.: 1 Mult.: 1	Disc Varistor, AdvanceD 20mm	MOVs	PCB Mount	Radial		470 VAC	385 VDC	470 V	775 V	21.5 mm	1 kA	250 J	780 pF	- 40 C	+ 105 C		Bulk
Varistors 385VAC 10% 20mm AdvanceD B72220S2381K101 TDK 1: 0,946 € 8.110In Stock	Mfr. Part No. B72220S2381K101 Mouser Part No 871-B72220S2381K101	TDK	Varistors 385VAC 10% 20mm AdvanceD Learn More about TDK epcosvaristors	Datasheet	8.110In Stock	0,946 € 0,612 € 0,505 € 0,483 € View 0,441 € 0,431 € 0,419 € 0,386 € 0,384 €	Min.: 1 Mult.: 1	Disc Varistor, AdvanceD 20mm	MOVs	PCB Mount	Radial		385 VAC	505 VDC	620 V	1.025 kV	21.5 mm	10 kA	273 J	600 pF	- 40 C	+ 105 C		Bulk
Varistors 420VAC 10% 20mm AdvanceD B72220S2421K101 TDK 1: 1,16 € 4.385In Stock	Mfr. Part No. B72220S2421K101 Mouser Part No 871-B72220S2421K101	TDK	Varistors 420VAC 10% 20mm AdvanceD Learn More about TDK epcosvaristors	Datasheet	4.385In Stock	1,16 € 0,763 € 0,675 € 0,634 € View 0,609 € 0,576 € 0,553 € 0,548 € 0,503 €	Min.: 1 Mult.: 1	Disc Varistor, AdvanceD 20mm	MOVs	PCB Mount	Radial		420 VAC	560 VDC	680 V	1.12 kV	21.5 mm	10 kA	273 J	420 pF	- 40 C	+ 105 C		Bulk
Varistors 510VAC 10% 20mm AdvanceD B72220S2511K101 TDK 1: 1,66 € 10.092In Stock	Mfr. Part No. B72220S2511K101 Mouser Part No 871-B72220S2511K101	TDK	Varistors 510VAC 10% 20mm AdvanceD Learn More about TDK epcosvaristors	Datasheet	10.092In Stock	1,66 € 1,11 € 0,989 € 0,937 € View 0,903 € 0,839 € 0,82 € 0,812 € 0,81 €	Min.: 1 Mult.: 1	Disc Varistor, AdvanceD 20mm	MOVs	PCB Mount	Radial		510 VAC	670 VDC	820 V	1.355 kV	21.5 mm	10 kA	325 J	340 pF	- 40 C	+ 105 C		Bulk
Varistors 275VAC 10% 20mm StandarD B72220S0271K101 TDK 1: 0,413 € 34.248In Stock	Mfr. Part No. B72220S0271K101 Mouser Part No 871-B72220S271K101	TDK	Varistors 275VAC 10% 20mm StandarD Learn More about TDK epcosvaristors	Datasheet	34.248In Stock	0,413 € 0,257 € 0,206 € 0,197 € View 0,189 € 0,186 € 0,179 € 0,175 €	Min.: 1 Mult.: 1	Disc Varistor, StandarD 20mm	MOVs	PCB Mount	Radial		275 VAC	350 VDC	430 V	710 V	20 mm	8 kA	151 J	630 pF	- 40 C	+ 105 C		Bulk