Varistors, MOVs

Use the filters and product table below to compare Varistors, MOVs components by manufacturer, availability, pricing reference and technical specifications. Review datasheets and key parameters to narrow the selection for your application.

If you already have a target part number, package, rating or quantity, send the requirement to Winsun (HK) Electronics for availability checks, BOM sourcing, shortage support and quotation assistance.

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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
SMOV34S251NP VARISTOR 390V 40KA BOX 5 LEAD Littelfuse Inc.	6,630	-	RFQ	Datasheet	Box, 5 Lead	SMOV34S	Bulk	Obsolete	250 V	320 V	351 V	390 V	429 V	40 kA	490J	1	5000 pF @ 1 MHz	-45°C ~ 75°C (TA)	Thermally Protected	-	-	Through Hole
SMOV34S271MP VARISTOR 430V 40KA BOX 5 LEAD Littelfuse Inc.	9,828	-	RFQ	Datasheet	Box, 5 Lead	SMOV34S	Bulk	Obsolete	275 V	350 V	387 V	430 V	473 V	40 kA	550J	1	4500 pF @ 1 MHz	-45°C ~ 75°C (TA)	Thermally Protected	-	-	Through Hole
SMOV34S271NP VARISTOR 430V 40KA BOX 5 LEAD Littelfuse Inc.	3,251	-	RFQ	Datasheet	Box, 5 Lead	SMOV34S	Bulk	Obsolete	275 V	350 V	387 V	430 V	473 V	40 kA	550J	1	4500 pF @ 1 MHz	-45°C ~ 75°C (TA)	Thermally Protected	-	-	Through Hole
SMOV34S301MP VARISTOR 480V 40KA BOX 5 LEAD Littelfuse Inc.	8,774	-	RFQ	Datasheet	Box, 5 Lead	SMOV34S	Bulk	Obsolete	300 V	385 V	432 V	480 V	528 V	40 kA	590J	1	4050 pF @ 1 MHz	-45°C ~ 75°C (TA)	Thermally Protected	-	-	Through Hole
SMOV34S301NP VARISTOR 480V 40KA BOX 5 LEAD Littelfuse Inc.	8,115	-	RFQ	Datasheet	Box, 5 Lead	SMOV34S	Bulk	Obsolete	300 V	385 V	432 V	480 V	528 V	40 kA	590J	1	4050 pF @ 1 MHz	-45°C ~ 75°C (TA)	Thermally Protected	-	-	Through Hole
SMOV34S321MP VARISTOR 510V 40KA BOX 5 LEAD Littelfuse Inc.	4,255	-	RFQ	Datasheet	Box, 5 Lead	SMOV34S	Bulk	Obsolete	320 V	420 V	459 V	510 V	561 V	40 kA	640J	1	3800 pF @ 1 MHz	-45°C ~ 75°C (TA)	Thermally Protected	-	-	Through Hole
SMOV34S321NP VARISTOR 510V 40KA BOX 5 LEAD Littelfuse Inc.	2,929	-	RFQ	Datasheet	Box, 5 Lead	SMOV34S	Bulk	Obsolete	320 V	420 V	459 V	510 V	561 V	40 kA	640J	1	3800 pF @ 1 MHz	-45°C ~ 75°C (TA)	Thermally Protected	-	-	Through Hole
SMOV34S251MP VARISTOR 390V 40KA BOX 5 LEAD Littelfuse Inc.	7,879	-	RFQ	Datasheet	Box, 5 Lead	SMOV34S	Bulk	Obsolete	250 V	320 V	351 V	390 V	429 V	40 kA	490J	1	5000 pF @ 1 MHz	-45°C ~ 75°C (TA)	Thermally Protected	-	-	Through Hole
V511HA40 VARISTOR 820V 40KA DISC 40MM Littelfuse Inc.	4,612	-	RFQ	Datasheet	Disc 40mm, Formed Tabs	HA	Bulk	Active	510 V	675 V	738 V	820 V	902 V	40 kA	700J	1	2500 pF @ 1 MHz	-55°C ~ 85°C (TA)	-	-	-	Bolt Mount
V571HC40 VARISTOR 910V 40KA DISC 40MM Littelfuse Inc.	5,421	-	RFQ	Datasheet	Disc 40mm, Formed Tabs	HC	Bulk	Active	575 V	730 V	819 V	910 V	1.001 kV	40 kA	770J	1	2200 pF @ 1 MHz	-55°C ~ 85°C (TA)	-	-	-	Bolt Mount

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FREQUENTLY ASKED QUESTIONS

Varistors, MOVs FAQ

Common questions about filtering, comparing and sourcing Varistors, MOVs components.

How can I narrow the Varistors, MOVs selection?

Use the available manufacturer and technical parameter filters to reduce the product list. Compare the remaining part numbers against your electrical, package and application requirements.

Should I confirm the datasheet before selecting a part?

Yes. Always review the manufacturer datasheet to confirm ratings, package, operating conditions and other technical details before finalizing a component for your design.

Can Winsun (HK) Electronics help source a specific Varistors, MOVs part number?

Yes. Send the exact manufacturer part number and required quantity for availability, lead-time and quotation support.

Do you support BOM, shortage or alternative-part requirements?

Yes. You can submit a BOM or shortage list for sourcing assistance. Where appropriate, our team can also help review possible alternative-part options.