Varistors, MOVs

Manufacturer 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




























































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































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Photo 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
SMOV34S321NP Littelfuse Inc.

SMOV34S321NP

VARISTOR 510V 40KA BOX 5 LEAD

Littelfuse Inc.

2,929
RFQ
SMOV34S321NP Datasheet

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 Littelfuse Inc.

SMOV34S251MP

VARISTOR 390V 40KA BOX 5 LEAD

Littelfuse Inc.

7,879
RFQ
SMOV34S251MP Datasheet

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 Littelfuse Inc.

V511HA40

VARISTOR 820V 40KA DISC 40MM

Littelfuse Inc.

4,612
RFQ
V511HA40 Datasheet

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 Littelfuse Inc.

V571HC40

VARISTOR 910V 40KA DISC 40MM

Littelfuse Inc.

5,421
RFQ
V571HC40 Datasheet

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
9401440000 Weidmüller

9401440000

VARISTOR 39V 1KA MODULE

Weidmüller

3,270
RFQ

-

Module - Bulk Obsolete 25 V 31 V - 39 V - 1 kA 3.7J 2 - - - - - Chassis Mount
B72250L0421K100 EPCOS - TDK Electronics

B72250L0421K100

VARISTOR 680V 75KA DISC 57MM

EPCOS - TDK Electronics

6,090
RFQ
B72250L0421K100 Datasheet

Datasheet

Disc 57mm HighE, LS50 Bulk Active 420 V 560 V 612 V 680 V 748 V 75 kA 1500J 1 3300 pF @ 1 kHz -40°C ~ 85°C (TA) - - - Bolt Mount
B72250L0421K102 EPCOS - TDK Electronics

B72250L0421K102

VARISTOR 680V 75KA DISC 57MM

EPCOS - TDK Electronics

2,638
RFQ
B72250L0421K102 Datasheet

Datasheet

Disc 57mm HighE, LS50 Bulk Active 420 V 560 V 612 V 680 V 748 V 75 kA 1500J - 3300 pF @ 1 kHz -25°C ~ 85°C - - - Bolt Mount
B72250L0441K100 EPCOS - TDK Electronics

B72250L0441K100

VARISTOR 715V 75KA DISC 57MM

EPCOS - TDK Electronics

8,921
RFQ
B72250L0441K100 Datasheet

Datasheet

Disc 57mm HighE, LS50 Bulk Active 440 V 585 V 643.5 V 715 V 786.5 V 75 kA 1580J - 3000 pF @ 1 kHz -25°C ~ 85°C - - - Bolt Mount
B72250L0461K100 EPCOS - TDK Electronics

B72250L0461K100

VARISTOR 750V 75KA DISC 57MM

EPCOS - TDK Electronics

2,690
RFQ
B72250L0461K100 Datasheet

Datasheet

Disc 57mm HighE, LS50 Bulk Active 460 V 615 V 675 V 750 V 825 V 75 kA 1650J - 2900 pF @ 1 kHz -25°C ~ 85°C - - - Bolt Mount
B72250L0551K100 EPCOS - TDK Electronics

B72250L0551K100

VARISTOR 910V 75KA DISC 57MM

EPCOS - TDK Electronics

8,688
RFQ
B72250L0551K100 Datasheet

Datasheet

Disc 57mm HighE, LS50 Bulk Active 550 V 745 V 819 V 910 V 1.001 kV 75 kA 1820J 1 2400 pF @ 1 kHz -40°C ~ 85°C (TA) - - - Bolt Mount
B72250L0461K102 EPCOS - TDK Electronics

B72250L0461K102

VARISTOR 750V 75KA DISC 57MM

EPCOS - TDK Electronics

9,370
RFQ
B72250L0461K102 Datasheet

Datasheet

Disc 57mm HighE, LS50 Bulk Active 460 V 615 V 675 V 750 V 825 V 75 kA 1650J - 2900 pF @ 1 kHz -25°C ~ 85°C - - - Bolt Mount
B72242L0271K102 EPCOS - TDK Electronics

B72242L0271K102

VARISTOR 430V 65KA ENCASED DISC

EPCOS - TDK Electronics

2,787
RFQ

-

Encased Disc HighE Bulk Active 275 V 350 V 387 V 430 V 473 V 65 kA 550J 1 2700 pF @ 1 kHz -25°C ~ 85°C (TA) - - - Chassis Mount
9401490000 Weidmüller

9401490000

VARISTOR 22V MODULE

Weidmüller

7,827
RFQ

-

Module - Bulk Obsolete 14 V 18 V - 22 V - - - 2 - - - - - Chassis Mount
TMOV34S461EP Littelfuse Inc.

TMOV34S461EP

VARISTOR 715V 40KA SQUARE 34MM

Littelfuse Inc.

4,774
RFQ

-

Square 34mm, Formed Tabs TMOV® 34S Bulk Active 460 V 610 V 643.5 V 715 V 786.5 V 40 kA 960J 1 2800 pF @ 1 MHz -55°C ~ 85°C (TA) Thermally Protected - - Through Hole
TMOV34S481EP Littelfuse Inc.

TMOV34S481EP

VARISTOR 750V 40KA SQUARE 34MM

Littelfuse Inc.

6,391
RFQ

-

Square 34mm, Formed Tabs TMOV® 34S Bulk Active 480 V 640 V 675 V 750 V 825 V 40 kA 960J 1 2700 pF @ 1 MHz -55°C ~ 85°C (TA) Thermally Protected - - Through Hole
TMOV34S511EP Littelfuse Inc.

TMOV34S511EP

VARISTOR 820V 40KA SQUARE 34MM

Littelfuse Inc.

7,631
RFQ

-

Square 34mm, Formed Tabs TMOV® 34S Bulk Active 510 V 675 V 738 V 820 V 902 V 40 kA 960J 1 2500 pF @ 1 MHz -55°C ~ 85°C (TA) Thermally Protected - - Through Hole
TMOV34S511MP Littelfuse Inc.

TMOV34S511MP

VARISTOR 820V 40KA SQUARE 34MM

Littelfuse Inc.

8,984
RFQ

-

Square 34mm, Formed Tabs, 3-Lead TMOV® 34S Bulk Active 510 V 675 V 738 V 820 V 902 V 40 kA 960J 1 2500 pF @ 1 MHz -55°C ~ 85°C (TA) Thermally Protected - - Through Hole
TMOV34S551EP Littelfuse Inc.

TMOV34S551EP

VARISTOR 854.5V 40KA SQUARE 34MM

Littelfuse Inc.

4,026
RFQ

-

Square 34mm, Formed Tabs TMOV® 34S Bulk Active 550 V 700 V 770 V 854.5 V 939 V 40 kA 965J 1 2250 pF @ 1 MHz -55°C ~ 85°C (TA) Thermally Protected - - Through Hole
TMOV34S571EP Littelfuse Inc.

TMOV34S571EP

VARISTOR 910V 40KA SQUARE 34MM

Littelfuse Inc.

7,179
RFQ

-

Square 34mm, Formed Tabs TMOV® 34S Bulk Active 575 V 730 V 819 V 910 V 1.001 kV 40 kA 990J 1 2200 pF @ 1 MHz -55°C ~ 85°C (TA) Thermally Protected - - Through Hole
TMOV34S621EP Littelfuse Inc.

TMOV34S621EP

VARISTOR 1KV 40KA SQUARE 34MM

Littelfuse Inc.

5,817
RFQ

-

Square 34mm, Formed Tabs TMOV® 34S Bulk Active 620 V 800 V 900 V 1 kV 1.1 kV 40 kA 1010J 1 2100 pF @ 1 MHz -55°C ~ 85°C (TA) Thermally Protected - - Through Hole

Varistors, MOVs Electronic Components Sourcing and Lifecycle Support

FPGAX is a global sourcing partner specializing in FPGA and programmable logic solutions for engineering and manufacturing organizations worldwide. For customers sourcing Varistors, MOVs components, we support both current production requirements and long-term component availability across demanding product lifecycles.

Our sourcing approach combines traceability, supply stability, and technical coordination. FPGAX is certified to AS9120B, ISO 9001:2008, and ISO 14001 standards and supports procurement programs where continuity, documentation, and dependable component supply are important.

How FPGAX Supports Varistors, MOVs Requirements

  • Active component sourcing: support for current FPGA, programmable logic, and related semiconductor requirements.
  • End-of-life sourcing: assistance with obsolete and hard-to-find parts when designs must remain in production.
  • Lifecycle management: sourcing support during product transitions, allocation periods, and supply interruptions.
  • Design continuity: long-term supply support intended to reduce redesign pressure and production disruption.
  • Major programmable logic brands: sourcing coverage includes Xilinx, Intel/Altera, Lattice, Microchip, and QuickLogic.

Supply Support at a Glance

Requirement FPGAX Support
Current production Active FPGA, programmable logic, and semiconductor component sourcing
Legacy programs End-of-life and hard-to-find component sourcing
Supply continuity Lifecycle transition and long-term availability support
Quality requirements Traceable sourcing and quality-management processes

Focused on FPGA and Programmable Logic Supply

FPGAX focuses on helping customers maintain access to critical programmable devices throughout the full component lifecycle. Whether the requirement is for a current design, an established production program, or an older platform facing component obsolescence, our goal is to provide a stable sourcing path and help customers maintain design and manufacturing continuity.

Varistors, MOVs FAQ

Can FPGAX source both active and end-of-life Varistors, MOVs components?

Yes. FPGAX supports sourcing for both active components and end-of-life or hard-to-find parts, with an emphasis on maintaining supply continuity for engineering and manufacturing programs.

Which programmable logic manufacturers does FPGAX support?

Our core sourcing coverage includes major FPGA and programmable logic manufacturers such as Xilinx, Intel/Altera, Lattice, Microchip, and QuickLogic, subject to specific part requirements and availability.

How does FPGAX help with component lifecycle changes?

We support customers through lifecycle transitions by helping locate current or legacy supply, reducing exposure to supply disruptions, and supporting long-term availability for designs that need to remain in production.

What quality and traceability standards does FPGAX follow?

FPGAX states certification to AS9120B, ISO 9001:2008, and ISO 14001 standards. Our sourcing services are structured around traceability, stable supply, and quality-management requirements.

What information should I provide for a Varistors, MOVs sourcing request?

Providing the manufacturer part number, required quantity, target delivery schedule, and any lifecycle or traceability requirements helps us evaluate the sourcing request more efficiently.