| Photo | Mfr. Part # | Availability | 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-C20EK431VARISTOR 430V 8KA MODULE |
3,464 |
|
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-C20EK471VARISTOR 470V 8KA MODULE |
2,336 |
|
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 |
|
B72240L0750K102VARISTOR SQUARE 37.5MM |
7,288 |
|
- |
Square 37.5mm, Tabs | HighE, LS40 | Bulk | Active | - | - | - | - | - | - | - | - | - | - | - | - | - | Chassis Mount |
|
681KD53VARISTOR 680V 70KA DISC 53MM |
3,431 |
|
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 |
|
621KD53VARISTOR 620V 70KA DISC 53MM |
9,291 |
|
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 |
|
|
B72241L0321K100VARISTOR 510V 50KA ENCASED DISC |
2,161 |
|
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 |
|
B72241L0381K100VARISTOR 620V 50KA DISC 40MM |
4,935 |
|
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-C40CK681WVARISTOR 680V 30KA DISC 40MM |
8,193 |
|
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 |
|
V251HA32VARISTOR 390V 25KA DISC 32MM |
8,160 |
|
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 |
|
V251HC32VARISTOR 390V 25KA DISC 32MM |
6,220 |
|
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 |
|
911KD53VARISTOR 910V 70KA DISC 53MM |
4,621 |
|
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 |
|
751KD53VARISTOR 750V 70KA DISC 53MM |
2,444 |
|
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-C32CK751WVARISTOR 750V 25KA DISC 32MM |
4,359 |
|
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 |
|
V321NA34VARISTOR 510V 40KA SQUARE 34MM |
4,465 |
|
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 |
|
V421NA34VARISTOR 680V 40KA SQUARE 34MM |
7,247 |
|
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 |
|
B72240L0421K100VARISTOR 680V 40KA SQUARE 37.5MM |
4,842 |
|
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 |
|
B72240L0421K102VARISTOR 680V 40KA SQUARE 37.5MM |
8,467 |
|
Datasheet |
Square 37.5mm, Tabs | HighE | Box | Active | 420 V | 560 V | 612 V | 680 V | 748 V | 40 kA | 910J | 1 | - | - | - | - | - | Chassis Mount |
|
|
B72240L0441K102VARISTOR 715V 40KA SQUARE 37.5MM |
9,811 |
|
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 |
|
B72240L0461K100VARISTOR 750V 40KA SQUARE 37.5MM |
5,652 |
|
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 |
|
V321CA40PSVARISTOR 510V 40KA DISC 40MM |
4,831 |
|
Datasheet |
Disc 40mm | CA | Bag | Obsolete | 320 V | 420 V | 462 V | 510 V | 561 V | 40 kA | 460J | 1 | - | - | - | - | - | Surface Mount |
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.
| 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 |
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.
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.
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.
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.
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.
Providing the manufacturer part number, required quantity, target delivery schedule, and any lifecycle or traceability requirements helps us evaluate the sourcing request more efficiently.