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
ERZ-C20EK431 Panasonic Electronic Components

ERZ-C20EK431

VARISTOR 430V 8KA MODULE

Panasonic Electronic Components

3,464
RFQ
ERZ-C20EK431 Datasheet

Datasheet

Module ERZ-E Bulk Active 275 V 350 V 387 V 430 V 473 V 8 kA 140J 1 1000 pF @ 1 kHz -40°C ~ 85°C (TA) Thermally Protected - - Chassis Mount
ERZ-C20EK471 Panasonic Electronic Components

ERZ-C20EK471

VARISTOR 470V 8KA MODULE

Panasonic Electronic Components

2,336
RFQ
ERZ-C20EK471 Datasheet

Datasheet

Module ERZ-E Bulk Active 300 V 385 V 423 V 470 V 517 V 8 kA 150J 1 950 pF @ 1 kHz -40°C ~ 85°C (TA) Thermally Protected - - Chassis Mount
B72240L0750K102 EPCOS - TDK Electronics

B72240L0750K102

VARISTOR SQUARE 37.5MM

EPCOS - TDK Electronics

7,288
RFQ

-

Square 37.5mm, Tabs HighE, LS40 Bulk Active - - - - - - - - - - - - - Chassis Mount
681KD53 YAGEO

681KD53

VARISTOR 680V 70KA DISC 53MM

YAGEO

3,431
RFQ
681KD53 Datasheet

Datasheet

Disc 53mm 53D Bulk Active 420 V 560 V 612 V 680 V 748 V 70 kA 1350J 1 4500 pF @ 1 kHz -40°C ~ 105°C (TA) - - - Through Hole
621KD53 YAGEO

621KD53

VARISTOR 620V 70KA DISC 53MM

YAGEO

9,291
RFQ
621KD53 Datasheet

Datasheet

Disc 53mm 53D Bulk Active 385 V 505 V 558 V 620 V 682 V 70 kA 1300J 1 5000 pF @ 1 kHz -40°C ~ 105°C (TA) - - - Through Hole
B72241L0321K100 EPCOS - TDK Electronics

B72241L0321K100

VARISTOR 510V 50KA ENCASED DISC

EPCOS - TDK Electronics

2,161
RFQ
B72241L0321K100 Datasheet

Datasheet

Encased Disc HighE Bulk Active 320 V 420 V 459 V 510 V 561 V 50 kA 640J 1 4800 pF @ 1 kHz -25°C ~ 85°C (TA) - - - Chassis Mount
B72241L0381K100 EPCOS - TDK Electronics

B72241L0381K100

VARISTOR 620V 50KA DISC 40MM

EPCOS - TDK Electronics

4,935
RFQ
B72241L0381K100 Datasheet

Datasheet

Disc 40mm HighE Bulk Active 385 V 505 V 558 V 620 V 682 V 50 kA 800J 1 1900 pF @ 1 kHz -25°C ~ 85°C (TA) - - - Chassis Mount
ERZ-C40CK681W Panasonic Electronic Components

ERZ-C40CK681W

VARISTOR 680V 30KA DISC 40MM

Panasonic Electronic Components

8,193
RFQ
ERZ-C40CK681W Datasheet

Datasheet

Disc 40mm, Formed Tabs ZNR® Bulk Active 420 V 560 V 612 V 680 V 748 V 30 kA 560J 1 - -40°C ~ 85°C (TA) - - - Chassis Mount
V251HA32 Littelfuse Inc.

V251HA32

VARISTOR 390V 25KA DISC 32MM

Littelfuse Inc.

8,160
RFQ
V251HA32 Datasheet

Datasheet

Disc 32mm, Formed Tabs HA Bulk Active 250 V 330 V 351 V 390 V 429 V 25 kA 330J 1 2500 pF @ 1 MHz -55°C ~ 85°C (TA) - - - Bolt Mount
V251HC32 Littelfuse Inc.

V251HC32

VARISTOR 390V 25KA DISC 32MM

Littelfuse Inc.

6,220
RFQ
V251HC32 Datasheet

Datasheet

Disc 32mm, Formed Tabs HC Bulk Active 250 V 330 V 351 V 390 V 429 V 25 kA 330J 1 2500 pF @ 1 MHz -55°C ~ 85°C (TA) - - - Bolt Mount
911KD53 YAGEO

911KD53

VARISTOR 910V 70KA DISC 53MM

YAGEO

4,621
RFQ
911KD53 Datasheet

Datasheet

Disc 53mm 53D Bulk Active 550 V 745 V 819 V 910 V 1.001 kV 70 kA 1700J 1 3300 pF @ 1 kHz -40°C ~ 105°C (TA) - - - Through Hole
751KD53 YAGEO

751KD53

VARISTOR 750V 70KA DISC 53MM

YAGEO

2,444
RFQ
751KD53 Datasheet

Datasheet

Disc 53mm 53D Bulk Active 460 V 615 V 675 V 750 V 825 V 70 kA 1400J 1 4000 pF @ 1 kHz -40°C ~ 105°C (TA) - - - Through Hole
ERZ-C32CK751W Panasonic Electronic Components

ERZ-C32CK751W

VARISTOR 750V 25KA DISC 32MM

Panasonic Electronic Components

4,359
RFQ
ERZ-C32CK751W Datasheet

Datasheet

Disc 32mm, Formed Tabs ERZ-CK Bulk Active 460 V 615 V 675 V 750 V 825 V 25 kA 500J 1 - -40°C ~ 125°C (TA) Thermally Protected - - Bolt Mount
V321NA34 Littelfuse Inc.

V321NA34

VARISTOR 510V 40KA SQUARE 34MM

Littelfuse Inc.

4,465
RFQ
V321NA34 Datasheet

Datasheet

Square 34mm NA Bag Obsolete 320 V 420 V 462 V 510 V 561 V 40 kA 460J 1 3800 pF @ 1 MHz -55°C ~ 85°C (TA) - - - Surface Mount
V421NA34 Littelfuse Inc.

V421NA34

VARISTOR 680V 40KA SQUARE 34MM

Littelfuse Inc.

7,247
RFQ
V421NA34 Datasheet

Datasheet

Square 34mm NA Bag Obsolete 420 V 560 V 610 V 680 V 748 V 40 kA 600J 1 3000 pF @ 1 MHz -55°C ~ 85°C (TA) - - - Surface Mount
B72240L0421K100 EPCOS - TDK Electronics

B72240L0421K100

VARISTOR 680V 40KA SQUARE 37.5MM

EPCOS - TDK Electronics

4,842
RFQ
B72240L0421K100 Datasheet

Datasheet

Square 37.5mm, Formed Tabs HighE Box Active 420 V 560 V 612 V 680 V 748 V 40 kA 910J 1 - - - - - Chassis Mount
B72240L0421K102 EPCOS - TDK Electronics

B72240L0421K102

VARISTOR 680V 40KA SQUARE 37.5MM

EPCOS - TDK Electronics

8,467
RFQ
B72240L0421K102 Datasheet

Datasheet

Square 37.5mm, Tabs HighE Box Active 420 V 560 V 612 V 680 V 748 V 40 kA 910J 1 - - - - - Chassis Mount
B72240L0441K102 EPCOS - TDK Electronics

B72240L0441K102

VARISTOR 715V 40KA SQUARE 37.5MM

EPCOS - TDK Electronics

9,811
RFQ
B72240L0441K102 Datasheet

Datasheet

Square 37.5mm, Tabs HighE Bulk Active 440 V 585 V 643.5 V 715 V 786.5 V 40 kA 950J 1 1700 pF @ 1 kHz -25°C ~ 85°C (TA) - - - Chassis Mount
B72240L0461K100 EPCOS - TDK Electronics

B72240L0461K100

VARISTOR 750V 40KA SQUARE 37.5MM

EPCOS - TDK Electronics

5,652
RFQ
B72240L0461K100 Datasheet

Datasheet

Square 37.5mm, Formed Tabs HighE Bulk Active 460 V 615 V 675 V 750 V 825 V 40 kA 960J 1 1600 pF @ 1 kHz -25°C ~ 85°C (TA) - - - Chassis Mount
V321CA40PS Littelfuse Inc.

V321CA40PS

VARISTOR 510V 40KA DISC 40MM

Littelfuse Inc.

4,831
RFQ
V321CA40PS Datasheet

Datasheet

Disc 40mm CA Bag Obsolete 320 V 420 V 462 V 510 V 561 V 40 kA 460J 1 - - - - - Surface Mount

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.