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
TMOV34S681MP Littelfuse Inc.

TMOV34S681MP

VARSTR 1.0875KV 40KA SQUARE 34MM

Littelfuse Inc.

5,549
RFQ

-

Square 34mm, Formed Tabs, 3-Lead TMOV® 34S Bulk Active 680 V 890 V 980 V 1.0875 kV 1.195 kV 40 kA 1100J 1 2000 pF @ 1 MHz -55°C ~ 85°C (TA) Thermally Protected - - Through Hole
SMOV34S421NP Littelfuse Inc.

SMOV34S421NP

VARISTOR 680V 40KA BOX 5 LEAD

Littelfuse Inc.

8,296
RFQ
SMOV34S421NP Datasheet

Datasheet

Box, 5 Lead SMOV34S Bulk Obsolete 420 V 560 V 612 V 680 V 748 V 40 kA 910J 1 3000 pF @ 1 MHz -45°C ~ 75°C (TA) Thermally Protected - - Through Hole
SMOV34S461NP Littelfuse Inc.

SMOV34S461NP

VARISTOR 715V 40KA BOX 5 LEAD

Littelfuse Inc.

6,833
RFQ
SMOV34S461NP Datasheet

Datasheet

Box, 5 Lead SMOV34S Bulk Obsolete 460 V 610 V 643.5 V 715 V 786.5 V 40 kA 960J 1 2800 pF @ 1 MHz -45°C ~ 75°C (TA) Thermally Protected - - Through Hole
SMOV34S511NP Littelfuse Inc.

SMOV34S511NP

VARISTOR 820V 40KA BOX 5 LEAD

Littelfuse Inc.

7,276
RFQ
SMOV34S511NP Datasheet

Datasheet

Box, 5 Lead SMOV34S Bulk Obsolete 510 V 675 V 738 V 820 V 902 V 40 kA 960J 1 2500 pF @ 1 MHz -45°C ~ 75°C (TA) Thermally Protected - - Through Hole
SMOV34S551NP Littelfuse Inc.

SMOV34S551NP

VARISTOR 854.5V 40KA BOX 5 LEAD

Littelfuse Inc.

5,883
RFQ
SMOV34S551NP Datasheet

Datasheet

Box, 5 Lead SMOV34S Bulk Obsolete 550 V 700 V 770 V 854.5 V 939 V 40 kA 965J 1 2250 pF @ 1 MHz -45°C ~ 75°C (TA) Thermally Protected - - Through Hole
SMOV34S751NP Littelfuse Inc.

SMOV34S751NP

VARISTOR 1.2KV 40KA BOX 5 LEAD

Littelfuse Inc.

5,587
RFQ
SMOV34S751NP Datasheet

Datasheet

Box, 5 Lead SMOV34S Bulk Obsolete 750 V 970 V 1.08 kV 1.2 kV 1.32 kV 40 kA 1200J 1 1800 pF @ 1 MHz -45°C ~ 75°C (TA) Thermally Protected - - Through Hole
SMOV34S421MP Littelfuse Inc.

SMOV34S421MP

VARISTOR 680V 40KA BOX 5 LEAD

Littelfuse Inc.

8,288
RFQ
SMOV34S421MP Datasheet

Datasheet

Box, 5 Lead SMOV34S Bulk Obsolete 420 V 560 V 612 V 680 V 748 V 40 kA 910J 1 3000 pF @ 1 MHz -45°C ~ 75°C (TA) Thermally Protected - - Through Hole
SMOV34S461MP Littelfuse Inc.

SMOV34S461MP

VARISTOR 715V 40KA BOX 5 LEAD

Littelfuse Inc.

6,678
RFQ
SMOV34S461MP Datasheet

Datasheet

Box, 5 Lead SMOV34S Bulk Obsolete 460 V 610 V 643.5 V 715 V 786.5 V 40 kA 960J 1 2800 pF @ 1 MHz -45°C ~ 75°C (TA) Thermally Protected - - Through Hole
SMOV34S511MP Littelfuse Inc.

SMOV34S511MP

VARISTOR 820V 40KA BOX 5 LEAD

Littelfuse Inc.

6,528
RFQ
SMOV34S511MP Datasheet

Datasheet

Box, 5 Lead SMOV34S Bulk Obsolete 510 V 675 V 738 V 820 V 902 V 40 kA 960J 1 2500 pF @ 1 MHz -45°C ~ 75°C (TA) Thermally Protected - - Through Hole
SMOV34S551MP Littelfuse Inc.

SMOV34S551MP

VARISTOR 854.5V 40KA BOX 5 LEAD

Littelfuse Inc.

2,604
RFQ
SMOV34S551MP Datasheet

Datasheet

Box, 5 Lead SMOV34S Bulk Obsolete 550 V 700 V 770 V 854.5 V 939 V 40 kA 965J 1 2250 pF @ 1 MHz -45°C ~ 75°C (TA) Thermally Protected - - Through Hole
SMOV34S621MP Littelfuse Inc.

SMOV34S621MP

VARISTOR 1KV 40KA BOX 5 LEAD

Littelfuse Inc.

7,439
RFQ
SMOV34S621MP Datasheet

Datasheet

Box, 5 Lead SMOV34S Bulk Obsolete 620 V 800 V 900 V 1 kV 1.1 kV 40 kA 1010J 1 2100 pF @ 1 MHz -45°C ~ 75°C (TA) Thermally Protected - - Through Hole
SMOV34S751MP Littelfuse Inc.

SMOV34S751MP

VARISTOR 1.2KV 40KA BOX 5 LEAD

Littelfuse Inc.

3,385
RFQ
SMOV34S751MP Datasheet

Datasheet

Box, 5 Lead SMOV34S Bulk Obsolete 750 V 970 V 1.08 kV 1.2 kV 1.32 kV 40 kA 1200J 1 1800 pF @ 1 MHz -45°C ~ 75°C (TA) Thermally Protected - - Through Hole
TMOV34S461MP Littelfuse Inc.

TMOV34S461MP

VARISTOR 715V 40KA SQUARE 34MM

Littelfuse Inc.

8,605
RFQ

-

Square 34mm, Formed Tabs, 3-Lead 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
TMOV34S481MP Littelfuse Inc.

TMOV34S481MP

VARISTOR 750V 40KA SQUARE 34MM

Littelfuse Inc.

6,872
RFQ

-

Square 34mm, Formed Tabs, 3-Lead 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
TMOV34S481MPX2696 Littelfuse Inc.

TMOV34S481MPX2696

VARISTOR 750V 40KA SQUARE 34MM

Littelfuse Inc.

6,544
RFQ

-

Square 34mm, Formed Tabs, 3-Lead 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
TMOV34S511MPX2696 Littelfuse Inc.

TMOV34S511MPX2696

VARISTOR 820V 40KA SQUARE 34MM

Littelfuse Inc.

2,104
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
TMOV34S551MP Littelfuse Inc.

TMOV34S551MP

VARISTOR 854.5V 40KA SQUARE 34MM

Littelfuse Inc.

4,889
RFQ

-

Square 34mm, Formed Tabs, 3-Lead 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
TMOV34S551MPX2696 Littelfuse Inc.

TMOV34S551MPX2696

VARISTOR 854.5V 40KA SQUARE 34MM

Littelfuse Inc.

8,135
RFQ

-

Square 34mm, Formed Tabs, 3-Lead 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
TMOV34S571MP Littelfuse Inc.

TMOV34S571MP

VARISTOR 910V 40KA SQUARE 34MM

Littelfuse Inc.

8,006
RFQ

-

Square 34mm, Formed Tabs, 3-Lead 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
TMOV34S621MP Littelfuse Inc.

TMOV34S621MP

VARISTOR 1KV 40KA SQUARE 34MM

Littelfuse Inc.

5,628
RFQ

-

Square 34mm, Formed Tabs, 3-Lead 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.