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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 (JPY) 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 14VAC 10% 7mm AEC-Q200 B72207S1140K201 TDK 1: ¥103 4,469In Stock	Mfr. Part # B72207S1140K201 Mouser Part # 871-B72207S1140K201	TDK	Varistors 14VAC 10% 7mm AEC-Q200 Learn More about TDK automotive multilayer varistors	Datasheet	4,469In Stock	¥103 ¥64.9 ¥52.7 ¥50.2 View ¥48.2 ¥46.2 ¥44.7 ¥43.5 ¥41.2	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: ¥48.2 8,385In Stock	Mfr. Part # B72207S0400K101 Mouser Part # 871-B72207S400K101	TDK	Varistors 40VAC 10% 7mm StandarD Learn More about TDK epcosvaristors	Datasheet	8,385In Stock	¥48.2 ¥29.2 ¥23.1 ¥21.9 View ¥19.1 ¥18.3 ¥17.3	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: ¥58.1 3,940In Stock	Mfr. Part # B72210S2151K101 Mouser Part # 871-B72210S2151K101	TDK	Varistors 150VAC 10% 10mm AdvanceD Learn More about TDK epcosvaristors	Datasheet	3,940In Stock	¥58.1 ¥38.5 ¥32.6 ¥31.2 View ¥31.1 ¥30.9 ¥25.4	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: ¥176.1 2,701In Stock	Mfr. Part # B72214S2551K101 Mouser Part # 871-B72214S2551K101	TDK	Varistors 550VAC 10% 14mm AdvanceD Learn More about TDK epcosvaristors	Datasheet	2,701In Stock	¥176.1 ¥114.6 ¥94.5 ¥90.7 View ¥87.4 ¥83.2 ¥81.2 ¥79.9 ¥79.7	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: ¥172.7 2,792In Stock	Mfr. Part # B72220S2321K101 Mouser Part # 871-B72220S2321K101	TDK	Varistors 320VAC 10% 20mm AdvanceD Learn More about TDK epcosvaristors	Datasheet	2,792In Stock	¥172.7 ¥111.6 ¥92 ¥88 View ¥84.9 ¥80.2 ¥77.9 ¥73.1 ¥71.8	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 275VAC 10% 20mm 125 DegC AdvanceD B72220U2271K501 TDK 1: ¥222.6 2,840In Stock	Mfr. Part # B72220U2271K501 Mouser Part # 871-B72220U2271K501	TDK	Varistors 275VAC 10% 20mm 125 DegC AdvanceD Learn More about TDK b722 varistors	Datasheet	2,840In Stock	¥222.6 ¥143.8 ¥117.8 ¥103.8 View ¥92 ¥87.2 ¥85.2 ¥84.2	Min.: 1 Mult.: 1	Disc Varistor, AdvanceD 125C, 85C/85%RH 20mm	MOVs	PCB Mount	Radial	275 VAC	350 VDC	430 V	710 V	23.5 mm	10 kA	215 J	850 pF	- 40 C	+ 125 C		Bulk
Varistors 30VAC 10% 5mm StandarD B72205S0300K111 TDK 1: ¥61.5 5,426In Stock	Mfr. Part # B72205S0300K111 Mouser Part # 871-B72205S0300K111	TDK	Varistors 30VAC 10% 5mm StandarD Learn More about TDK epcosvaristors	Datasheet	5,426In Stock	Cut Tape ¥61.5 ¥38 ¥30.4 ¥28.7 Reel ¥25.4 View ¥26.9 ¥25.6 ¥24.4	Min.: 1 Mult.: 1 : 4,500	Disc Varistor, StandarD 5mm	MOVs	PCB Mount	Radial	30 VAC	38 VDC	47 V	93 V	5 mm	100 A	900 mJ	720 pF	- 40 C	+ 105 C		Reel, Cut Tape
Varistors 320VAC 10% 7mm AdvanceD B72207S2321K101 TDK 1: ¥48.2 9,482In Stock	Mfr. Part # B72207S2321K101 Mouser Part # 871-B72207S2321K101	TDK	Varistors 320VAC 10% 7mm AdvanceD Learn More about TDK epcosvaristors	Datasheet	9,482In Stock	¥48.2 ¥28.9 ¥22.8 ¥21.6 View ¥20.6 ¥19.6 ¥18.8 ¥18.6	Min.: 1 Mult.: 1	Disc Varistor, AdvanceD 7mm	MOVs	PCB Mount	Radial	320 VAC	420 VDC	510 V	840 V	7 mm	1.75 kA	32 J	85 pF	- 40 C	+ 105 C		Bulk
Varistors 40VAC 10% 10mm StandarD B72210S0400K101 TDK 1: ¥68.1 8,043In Stock	Mfr. Part # B72210S0400K101 Mouser Part # 871-B72210S400K101	TDK	Varistors 40VAC 10% 10mm StandarD Learn More about TDK epcosvaristors	Datasheet	8,043In Stock	¥68.1 ¥42.2 ¥33.7 ¥31.7 View ¥28.9 ¥26.9 ¥26.2 ¥24.3	Min.: 1 Mult.: 1	Disc Varistor, StandarD 10mm	MOVs	PCB Mount	Radial	40 VAC	56 VDC	68 V	135 V	10 mm	500 A	6.4 J	2.1 nF	- 40 C	+ 105 C		Bulk
Varistors 17VAC 10% 5mm StandarD B72205S0170K111 TDK 1: ¥74.7 5,214In Stock	Mfr. Part # B72205S0170K111 Mouser Part # 871-B72205S0170K111	TDK	Varistors 17VAC 10% 5mm StandarD Learn More about TDK epcosvaristors	Datasheet	5,214In Stock	Cut Tape ¥74.7 ¥45.7 ¥36.4 ¥33.4 Reel ¥25.7 View ¥30.7 ¥28.1 ¥24.1 ¥23.9	Min.: 1 Mult.: 1 : 4,500	Disc Varistor, StandarD 5mm	MOVs	PCB Mount	Radial	17 VAC	22 VDC	27 V	53 V	5 mm	100 A	500 mJ	1.2 nF	- 40 C	+ 105 C		Reel, Cut Tape
Varistors 320VAC 10% 14mm MP AdvanceD B72214P2321K101 TDK 1: ¥109.6 5,241In Stock	Mfr. Part # B72214P2321K101 Mouser Part # 871-B72214P2321K101	TDK	Varistors 320VAC 10% 14mm MP AdvanceD Learn More about TDK epcosvaristors	Datasheet	5,241In Stock	¥109.6 ¥69.1 ¥56.1 ¥47.2 View ¥45 ¥42.9 ¥42.5 ¥42.4	Min.: 1 Mult.: 1	Disc Varistor, Multi_Pulse AdvanceD 14mm	MOVs	PCB Mount	Radial	320 VAC	420 VDC	510 V	840 V	16 mm	6 kA	150 J	445 pF	- 40 C	+ 105 C		Bulk
Varistors 510VAC 10% 20mm StandarD B72220S0511K501 TDK 1: ¥327.2 1,614In Stock	Mfr. Part # B72220S0511K501 Mouser Part # 871-B72220S0511K501	TDK	Varistors 510VAC 10% 20mm StandarD Learn More about TDK epcosvaristors	Datasheet	1,614In Stock	¥327.2 ¥217.6 ¥179.4 ¥169.4 View ¥153.5 ¥138.4 ¥132.7 ¥123.6 ¥123.1	Min.: 1 Mult.: 1	Disc Varistor, StandarD 20mm	MOVs	PCB Mount	Radial	510 VAC	670 VDC	820 V	1.355 kV	20 mm	6.5 kA	190 J	460 pF	- 40 C	+ 105 C		Bulk
Varistors 385VAC 10% 40mm High E B72240B0381K001 TDK 1: ¥5,566 4In Stock 160Expected 1/8/2027	Mfr. Part # B72240B0381K001 Mouser Part # 871-B72240B381K1	TDK	Varistors 385VAC 10% 40mm High E Learn More about TDK epcosvaristors	Datasheet	4In Stock 160Expected 1/8/2027	¥5,566 ¥4,414.9 ¥4,046.2 ¥3,838.6 ¥3,717.3	Min.: 1 Mult.: 1	Disc Varistor, High-Energy 40mm	MOVs	Chassis Mount	Screw	385 VAC	505 VDC	620 V	1.025 kV	40 mm	40 kA	800 J	1.9 nF	- 40 C	+ 105 C		Bulk
Varistors 750VAC 10% 40mm High E B72240L0751K102 TDK 1: ¥3,006.4 276In Stock	Mfr. Part # B72240L0751K102 Mouser Part # 871-B72240L0751K102	TDK	Varistors 750VAC 10% 40mm High E Learn More about TDK epcosvaristors	Datasheet	276In Stock	¥3,006.4 ¥2,386.9 ¥2,232.4 ¥2,063 View ¥2,019.8 ¥1,923.4 Quote	Min.: 1 Mult.: 1	Disc Varistor, High-Energy 40mm	MOVs	Chassis Mount	Screw	750 VAC	970 VDC	1.2 kV	2 kV		40 kA	1200 J	1 nF	- 40 C	+ 105 C		Bulk
Varistors 750VAC 10% 32mm High E B72232B0751K001 TDK 1: ¥4,539.5 Non-Stocked Lead-Time 16 Weeks	Mfr. Part # B72232B0751K001 Mouser Part # 871-B72232B0751K001	TDK	Varistors 750VAC 10% 32mm High E Learn More about TDK epcosvaristors	Datasheet	Non-Stocked Lead-Time 16 Weeks	¥4,539.5 ¥3,645.9 ¥3,328.6 ¥3,149.3 View ¥3,046.3 ¥2,984.8	Min.: 1 Mult.: 1	Disc Varistor, High-Energy 32mm	MOVs	PCB Mount	SMD/SMT	750 VAC	970 VDC	1.2 kV	2 kV	32 mm	25 kA	800 J	800 pF	- 40 C	+ 105 C		Bulk
Varistors 230VAC 10% 20mm SuperioR B72220S3231K101 TDK 1: ¥300.6 1,370In Stock	Mfr. Part # B72220S3231K101 Mouser Part # 871-B72220S3231K101	TDK	Varistors 230VAC 10% 20mm SuperioR Learn More about TDK epcosvaristors	Datasheet	1,370In Stock	¥300.6 ¥201 ¥179.4 ¥167.8 View ¥161.3 ¥150.2 ¥147.8 ¥138 ¥137.9	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
Varistors 50VDC 1.2kA 900pF S07V42AUTOS2D1 B72207S1390K201 TDK 1: ¥176.1 4,643In Stock Factory Special Order	Mfr. Part # B72207S1390K201 Mouser Part # 871-B72207S1390K201 Factory Special Order	TDK	Varistors 50VDC 1.2kA 900pF S07V42AUTOS2D1 Learn More about TDK epcosvaristors	Datasheet	4,643In Stock	¥176.1 ¥105.3 ¥66.1 ¥49.7 View ¥44.2 ¥39.9 ¥35 ¥32.4	Min.: 1 Mult.: 1	Automotive 42 V	MOVs	PCB Mount	Radial	48 VAC	50 VDC	68 V	135 V	7 mm	2.5 A	3 J	900 pF	- 40 C	+ 105 C		Bulk
Varistors 275VAC 10% 5mm StandarD B72205S0271K111 TDK 1: ¥53.2 15,175In Stock	Mfr. Part # B72205S0271K111 Mouser Part # 871-B72205S0271K111	TDK	Varistors 275VAC 10% 5mm StandarD Learn More about TDK epcosvaristors	Datasheet	15,175In Stock	Cut Tape ¥53.2 ¥32.6 ¥25.9 ¥24.6 View Reel ¥20.8 ¥22.9 ¥21.8 ¥21.3 ¥20.8	Min.: 1 Mult.: 1 : 7,500	Disc Varistor, StandarD 5mm	MOVs	PCB Mount	Radial	275 VAC	350 VDC	430 V	710 V	5 mm	400 A	8.6 J	60 pF	- 40 C	+ 105 C		Reel, Cut Tape
Varistors 150VAC 10% 5mm StandarD B72205S0151K101 TDK 1: ¥53.2 13,173In Stock	Mfr. Part # B72205S0151K101 Mouser Part # 871-B72205S151K101	TDK	Varistors 150VAC 10% 5mm StandarD Learn More about TDK epcosvaristors	Datasheet	13,173In Stock	¥53.2 ¥32.2 ¥25.4 ¥24.3 View ¥23.1 ¥21.9 ¥21.3 ¥21.1	Min.: 1 Mult.: 1	Disc Varistor, StandarD 5mm	MOVs	PCB Mount	Radial	150 VAC	200 VDC	240 V	395 V	5 mm	400 A	4.9 J	90 pF	- 40 C	+ 105 C		Bulk
Varistors 25VAC 10% 7mm StandarD B72207S0250K211 TDK 1: ¥56.5 16,931In Stock	Mfr. Part # B72207S0250K211 Mouser Part # 871-B72207S0250K211	TDK	Varistors 25VAC 10% 7mm StandarD Learn More about TDK epcosvaristors	Datasheet	16,931In Stock	Cut Tape ¥56.5 ¥34.4 ¥27.2 ¥25.9 View Reel ¥21.9 ¥24.3 ¥22.9 ¥22.6 ¥21.9	Min.: 1 Mult.: 1 : 7,500	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 130VAC 10% 7mm StandarD B72207S0131K101 TDK 1: ¥58.1 20,213In Stock	Mfr. Part # B72207S0131K101 Mouser Part # 871-B72207S131K101	TDK	Varistors 130VAC 10% 7mm StandarD Learn More about TDK epcosvaristors	Datasheet	20,213In Stock	¥58.1 ¥35 ¥27.7 ¥26.2 View ¥25.1 ¥23.8 ¥22.1 ¥20.1 ¥19.1	Min.: 1 Mult.: 1	Disc Varistor, StandarD 7mm	MOVs	PCB Mount	Radial	130 VAC	170 VDC	205 V	340 V	7 mm	1.2 kA	9.5 J	200 pF	- 40 C	+ 105 C		Bulk
Varistors 275VAC 10% 7mm AdvanceD B72207S2271K101 TDK 1: ¥44.8 25,261In Stock	Mfr. Part # B72207S2271K101 Mouser Part # 871-B72207S2271K101	TDK	Varistors 275VAC 10% 7mm AdvanceD Learn More about TDK epcosvaristors	Datasheet	25,261In Stock	¥44.8 ¥27.2 ¥21.6 ¥20.4 View ¥19.4 ¥18.4 ¥17.8 ¥17.1 ¥15.3	Min.: 1 Mult.: 1	Disc Varistor, AdvanceD 7mm	MOVs	PCB Mount	Radial	275 VAC	350 VDC	430 V	710 V	7 mm	1.75 kA	27.5 J	95 pF	- 40 C	+ 105 C		Bulk
Varistors 30VAC 10% 7mm StandarD B72207S0300K101 TDK 1: ¥48.2 29,012In Stock	Mfr. Part # B72207S0300K101 Mouser Part # 871-B72207S300K101	TDK	Varistors 30VAC 10% 7mm StandarD Learn More about TDK epcosvaristors	Datasheet	29,012In Stock	¥48.2 ¥29.2 ¥23.1 ¥21.9 View ¥20.9 ¥19.9 ¥19.3 ¥19.1	Min.: 1 Mult.: 1	Disc Varistor, StandarD 7mm	MOVs	PCB Mount	Radial	30 VAC	38 VDC	47 V	93 V	7 mm	250 A	2 J	1.2 nF	- 40 C	+ 105 C		Bulk
Varistors 60VAC 10% 7mm StandarD B72207S0600K101 TDK 1: ¥51.5 18,264In Stock 10,000Expected 11/23/2026	Mfr. Part # B72207S0600K101 Mouser Part # 871-B72207S600K101	TDK	Varistors 60VAC 10% 7mm StandarD Learn More about TDK epcosvaristors	Datasheet	18,264In Stock 10,000Expected 11/23/2026	¥51.5 ¥30.9 ¥24.4 ¥23.3 View ¥22.1 ¥20.8 ¥20.3 ¥18.1 ¥16.6	Min.: 1 Mult.: 1	Disc Varistor, StandarD 7mm	MOVs	PCB Mount	Radial	60 VAC	85 VDC	100 V	165 V	7 mm	1.2 kA	4.8 J	480 pF	- 40 C	+ 105 C		Bulk
Varistors 275VAC 10% 10mm StandarD B72210S0271K151 TDK 1: ¥74.7 9,103In Stock	Mfr. Part # B72210S0271K151 Mouser Part # 871-B72210S0271K151	TDK	Varistors 275VAC 10% 10mm StandarD Learn More about TDK epcosvaristors	Datasheet	9,103In Stock	Cut Tape ¥74.7 ¥46.8 ¥45 ¥42.9 Reel ¥31.4 View ¥37.4 ¥35.9 ¥29.1	Min.: 1 Mult.: 1 : 4,800	Disc Varistor, StandarD 10mm	MOVs	PCB Mount	Radial	275 VAC	350 VDC	430 V	710 V	12 mm	2.5 kA	43 J	220 pF	- 40 C	+ 105 C		Reel, Cut Tape