Varistors, MOVs

Browse available Varistors, MOVs part numbers with manufacturer references, stock information, pricing, datasheets and key specifications. Use the table below to compare options for your project.

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Mfr. Part #	Availability	Price	Quantity	Datasheet	Package / Case	Series	Packaging	Product Status	Maximum AC Volts	Maximum DC Volts	Varistor Voltage (Min)	Varistor Voltage (Typ)	Varistor Voltage (Max)	Current - Surge	Energy	Number of Circuits	Capacitance @ Frequency	Operating Temperature	Features	Grade	Qualification	Mounting Type
TMOV34S111MX2696 VARISTOR 180V 40KA SQUARE 34MM Littelfuse Inc.	5,158	-	RFQ	Datasheet	Square 34mm, Formed Tabs, 3-Lead	TMOV® 34S	Bulk	Obsolete	115 V	150 V	163 V	180 V	198 V	40 kA	280J	1	11500 pF @ 1 MHz	-55°C ~ 85°C (TA)	Thermally Protected	-	-	Through Hole
ERZ-C40CK391W VARISTOR 390V 30KA DISC 40MM Panasonic Electronic Components	5,667	-	RFQ	Datasheet	Disc 40mm, Formed Tabs	ERZ-CK	Bulk	Active	250 V	320 V	351 V	390 V	429 V	30 kA	435J	1	-	-40°C ~ 125°C (TA)	Thermally Protected	-	-	Bolt Mount
ERZ-C40CK361W VARISTOR 360V 30KA DISC 40MM Panasonic Electronic Components	2,865	-	RFQ	Datasheet	Disc 40mm, Formed Tabs	ERZ-CK	Bulk	Active	230 V	300 V	324 V	360 V	396 V	30 kA	405J	1	-	-40°C ~ 125°C (TA)	Thermally Protected	-	-	Bolt Mount
V331HA40 VARISTOR 518.5V 40KA DISC 40MM Littelfuse Inc.	3,324	-	RFQ	Datasheet	Disc 40mm, Formed Tabs	HA	Bulk	Active	330 V	435 V	467 V	518.5 V	570 V	40 kA	475J	1	3750 pF @ 1 MHz	-55°C ~ 85°C (TA)	-	-	-	Bolt Mount
V351HA40 VARISTOR 549.5V 40KA DISC 40MM Littelfuse Inc.	6,024	-	RFQ	Datasheet	Disc 40mm, Formed Tabs	HA	Bulk	Active	350 V	460 V	495 V	549.5 V	604 V	40 kA	500J	1	3600 pF @ 1 MHz	-55°C ~ 85°C (TA)	-	-	-	Bolt Mount
V441HA40 VARISTOR 690V 40KA DISC 40MM Littelfuse Inc.	2,150	-	RFQ	Datasheet	Disc 40mm, Formed Tabs	HA	Bulk	Active	440 V	585 V	622 V	690 V	758 V	40 kA	630J	1	3000 pF @ 1 MHz	-55°C ~ 85°C (TA)	-	-	-	Bolt Mount
V391HA40 VARISTOR 604V 40KA DISC 40MM Littelfuse Inc.	6,678	-	RFQ	Datasheet	Disc 40mm, Formed Tabs	HA	Bulk	Active	385 V	510 V	545 V	604 V	663 V	40 kA	550J	1	3500 pF @ 1 MHz	-55°C ~ 85°C (TA)	-	-	-	Bolt Mount
V321HC40 VARISTOR 510V 40KA DISC 40MM Littelfuse Inc.	8,942	-	RFQ	Datasheet	Disc 40mm, Formed Tabs	HC	Bulk	Active	320 V	420 V	459 V	510 V	561 V	40 kA	460J	1	3800 pF @ 1 MHz	-55°C ~ 85°C (TA)	-	-	-	Bolt Mount
V661NA34 VARISTOR 1.05KV 40KA SQUARE 34MM Littelfuse Inc.	6,674	-	RFQ	Datasheet	Square 34mm	NA	Bag	Obsolete	660 V	850 V	940 V	1.05 kV	1.16 kV	40 kA	900J	1	2000 pF @ 1 MHz	-55°C ~ 85°C (TA)	-	-	-	Surface Mount
V751NA34 VARISTOR 1.2KV 40KA SQUARE 34MM Littelfuse Inc.	4,546	-	RFQ	Datasheet	Square 34mm	NA	Bag	Obsolete	750 V	970 V	1.08 kV	1.2 kV	1.32 kV	40 kA	1050J	1	1800 pF @ 1 MHz	-55°C ~ 85°C (TA)	-	-	-	Surface Mount
V271DHB34 VARISTOR 430V 40KA SQUARE 34MM Littelfuse Inc.	8,710	-	RFQ	Datasheet	Square 34mm, Tabs	DHB34	Bulk	Active	275 V	369 V	387 V	430 V	473 V	40 kA	400J	1	4500 pF @ 1 MHz	-55°C ~ 85°C (TA)	-	-	-	Through Hole
V251DHB34 VARISTOR 390V 40KA SQUARE 34MM Littelfuse Inc.	3,909	-	RFQ	Datasheet	Square 34mm, Tabs	DHB34	Bulk	Active	250 V	330 V	351 V	390 V	429 V	40 kA	370J	1	5000 pF @ 1 MHz	-55°C ~ 85°C (TA)	-	-	-	Through Hole
V301DHB34 VARISTOR 470V 40KA SQUARE 34MM Littelfuse Inc.	7,418	-	RFQ	Datasheet	Square 34mm, Tabs	DHB34	Bulk	Active	300 V	410 V	423 V	470 V	517 V	40 kA	430J	1	4100 pF @ 1 MHz	-55°C ~ 85°C (TA)	-	-	-	Through Hole
V321DHB34 VARISTOR 510V 40KA SQUARE 34MM Littelfuse Inc.	7,362	-	RFQ	Datasheet	Square 34mm, Tabs	DHB34	Bulk	Active	320 V	420 V	459 V	510 V	561 V	40 kA	460J	1	3800 pF @ 1 MHz	-55°C ~ 85°C (TA)	-	-	-	Through Hole
V351DHB34 VARISTOR 549.5V 40KA SQUARE 34MM Littelfuse Inc.	4,556	-	RFQ	Datasheet	Square 34mm, Tabs	DHB34	Bulk	Active	350 V	460 V	495 V	549.5 V	604 V	40 kA	500J	1	3600 pF @ 1 MHz	-55°C ~ 85°C (TA)	-	-	-	Through Hole
V421DHB34 VARISTOR 680V 40KA SQUARE 34MM Littelfuse Inc.	6,693	-	RFQ	Datasheet	Square 34mm, Tabs	DHB34	Bulk	Active	420 V	560 V	612 V	680 V	748 V	40 kA	600J	1	3000 pF @ 1 MHz	-55°C ~ 85°C (TA)	-	-	-	Through Hole
V391DHB34 VARISTOR 604V 40KA SQUARE 34MM Littelfuse Inc.	9,801	-	RFQ	Datasheet	Square 34mm, Tabs	DHB34	Bulk	Active	385 V	510 V	545 V	604 V	663 V	40 kA	550J	1	3500 pF @ 1 MHz	-55°C ~ 85°C (TA)	-	-	-	Through Hole
V441DHB34 VARISTOR 690V 40KA SQUARE 34MM Littelfuse Inc.	2,924	-	RFQ	Datasheet	Square 34mm, Tabs	DHB34	Bulk	Active	440 V	585 V	622 V	690 V	758 V	40 kA	630J	1	2900 pF @ 1 MHz	-55°C ~ 85°C (TA)	-	-	-	Through Hole
V331DHB34 VARISTOR 518.5V 40KA SQUARE 34MM Littelfuse Inc.	7,217	-	RFQ	Datasheet	Square 34mm, Tabs	DHB34	Bulk	Active	330 V	435 V	467 V	518.5 V	570 V	40 kA	475J	1	3750 pF @ 1 MHz	-55°C ~ 85°C (TA)	-	-	-	Through Hole
ERZ-C40CK781W VARISTOR 780V 30KA DISC 40MM Panasonic Electronic Components	9,315	-	RFQ	Datasheet	Disc 40mm, Formed Tabs	ERZ-CK	Bulk	Active	485 V	640 V	702 V	780 V	858 V	30 kA	650J	1	-	-40°C ~ 125°C (TA)	Thermally Protected	-	-	Bolt Mount

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Varistors, MOVs FAQ

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Compare the manufacturer part number, electrical specifications, package, operating conditions and application requirements. The product datasheet should be used to confirm technical suitability.

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Yes. Send the exact part number, manufacturer and required quantity. Winsun (HK) Electronics can assist with availability checks, quotation support and sourcing options based on your requirement.

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Yes. Our sourcing team can review shortage and obsolete-part requirements and help check available supply channels or possible alternatives when appropriate.

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Submit an RFQ with the part number, manufacturer, quantity and target delivery requirement. Our sales team will review your request and follow up with current sourcing information.