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
V481HC40 VARISTOR 750V 40KA DISC 40MM Littelfuse Inc.	3,096	-	RFQ	Datasheet	Disc 40mm, Formed Tabs	HC	Bulk	Active	480 V	640 V	675 V	750 V	825 V	40 kA	650J	1	2700 pF @ 1 MHz	-55°C ~ 85°C (TA)	-	-	-	Bolt Mount
SMOV25S251NP VARISTOR 390V 20KA BOX 5 LEAD Littelfuse Inc.	2,320	-	RFQ	Datasheet	Box, 5 Lead	SMOV25S	Bulk	Obsolete	250 V	320 V	351 V	390 V	429 V	20 kA	330J	1	1400 pF @ 1 MHz	-45°C ~ 75°C (TA)	Thermally Protected	-	-	Through Hole
SMOV25S271MP VARISTOR 430V 20KA BOX 5 LEAD Littelfuse Inc.	4,636	-	RFQ	Datasheet	Box, 5 Lead	SMOV25S	Bulk	Obsolete	275 V	350 V	387 V	430 V	473 V	20 kA	350J	1	1250 pF @ 1 MHz	-45°C ~ 75°C (TA)	Thermally Protected	-	-	Through Hole
SMOV25S271NP VARISTOR 430V 20KA BOX 5 LEAD Littelfuse Inc.	6,222	-	RFQ	Datasheet	Box, 5 Lead	SMOV25S	Bulk	Obsolete	275 V	350 V	387 V	430 V	473 V	20 kA	350J	1	1250 pF @ 1 MHz	-45°C ~ 75°C (TA)	Thermally Protected	-	-	Through Hole
SMOV25S301MP VARISTOR 470V 20KA BOX 5 LEAD Littelfuse Inc.	7,200	-	RFQ	Datasheet	Box, 5 Lead	SMOV25S	Bulk	Obsolete	300 V	385 V	423 V	470 V	517 V	20 kA	370J	1	1150 pF @ 1 MHz	-45°C ~ 75°C (TA)	Thermally Protected	-	-	Through Hole
SMOV25S301NP VARISTOR 470V 20KA BOX 5 LEAD Littelfuse Inc.	7,334	-	RFQ	Datasheet	Box, 5 Lead	SMOV25S	Bulk	Obsolete	300 V	385 V	423 V	470 V	517 V	20 kA	370J	1	1150 pF @ 1 MHz	-45°C ~ 75°C (TA)	Thermally Protected	-	-	Through Hole
SMOV25S321MP VARISTOR 510V 20KA BOX 5 LEAD Littelfuse Inc.	5,072	-	RFQ	Datasheet	Box, 5 Lead	SMOV25S	Bulk	Obsolete	320 V	420 V	459 V	510 V	561 V	20 kA	390J	1	1080 pF @ 1 MHz	-45°C ~ 75°C (TA)	Thermally Protected	-	-	Through Hole
SMOV25S321NP VARISTOR 510V 20KA BOX 5 LEAD Littelfuse Inc.	9,358	-	RFQ	Datasheet	Box, 5 Lead	SMOV25S	Bulk	Obsolete	320 V	420 V	459 V	510 V	561 V	20 kA	390J	1	1080 pF @ 1 MHz	-45°C ~ 75°C (TA)	Thermally Protected	-	-	Through Hole
SMOV25S251MP VARISTOR 390V 20KA BOX 5 LEAD Littelfuse Inc.	5,576	-	RFQ	Datasheet	Box, 5 Lead	SMOV25S	Bulk	Obsolete	250 V	320 V	351 V	390 V	429 V	20 kA	330J	1	1400 pF @ 1 MHz	-45°C ~ 75°C (TA)	Thermally Protected	-	-	Through Hole
V511CA40 VARISTOR 820V 40KA DISC 40MM Littelfuse Inc.	2,295	-	RFQ	Datasheet	Disc 40mm	CA	Bag	Obsolete	510 V	675 V	738 V	820 V	902 V	40 kA	700J	1	2500 pF @ 1 MHz	-55°C ~ 85°C (TA)	-	-	-	Surface 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.