Varistors – Mouser South Africa

.hide-partial { max-height: none; } .show-more { display: none; }

MT ThermoFuse™ Varistors

TDK MT ThermoFuse™ Varistors are equipped with monitor outputs and integrated thermal protective components for overvoltage protection. These specially developed quadratic disk varistors are connected in series with a patented thermal protective component design. In the case of a persistent overvoltage and heating of the TDK varistor, the fuse is activated and separates the varistor from the circuit with a high level of reliability. This prevents potential damage to the PCB or the components installed in the varistor’s vicinity.

.catnav-wrapper { height: auto; overflow: visible; } .catalog-nav-tabs ul { white-space: normal; }

Results: 39

Applied Filters:

Series

Product

Mounting Style

Termination Style

Voltage Rating AC

Voltage Rating DC

Varistor Voltage

Clamping Voltage

Diameter

Peak Surge Current

Surge Energy Rating

Capacitance

Minimum Operating Temperature

Maximum Operating Temperature

Reset All

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

.search-refine-wrapper { display: inline-block; min-width: 100%; } .scroll-body { overflow-x: visible; } .search-table-wrapper { overflow: visible; } .hide-partial { max-height: none; } .show-more { display: none; }

Part #

Varistors 510VAC 10% 25mm SuperioR

B72225S4511K101
EPCOS / TDK
1: $3.98
930In Stock

Mfr. Part No.
B72225S4511K101

Mouser Part No
871-B72225S4511K101

EPCOS / TDK

Varistors 510VAC 10% 25mm SuperioR

Datasheet

930In Stock

$3.98

$3.01

$2.77

$2.33

$2.20

Min.: 1
Mult.: 1

Disc Varistor, SuperioR 25mm

MOVs

PCB Mount

Radial

510 VAC

670 VDC

820 V

1.355 kV

27.5 mm

20 kA

750 J

950 pF

- 40 C

+ 105 C

Bulk

Varistors 420VAC 10% 25mm SuperioR

B72225S4421K101
EPCOS / TDK
1: $3.76
1,078In Stock

Mfr. Part No.
B72225S4421K101

Mouser Part No
871-B72225S4421K101

EPCOS / TDK

Varistors 420VAC 10% 25mm SuperioR

Learn More

Datasheet

1,078In Stock

$3.76

$2.61

$2.35

$2.21

View

Min.: 1
Mult.: 1

Disc Varistor, SuperioR 25mm

MOVs

PCB Mount

Radial

420 VAC

560 VDC

680 V

1.12 kV

27.5 mm

20 kA

700 J

1150 pF

- 40 C

+ 105 C

Bulk

Varistors 275VAC 10% 25mm SuperioR

B72225S4271K101
EPCOS / TDK
1: $4.47
1,216In Stock

Mfr. Part No.
B72225S4271K101

Mouser Part No
871-B72225S4271K101

EPCOS / TDK

Varistors 275VAC 10% 25mm SuperioR

Learn More

Datasheet

1,216In Stock

$4.47

$3.45

$3.26

$2.83

$2.67

Min.: 1
Mult.: 1

Disc Varistor, SuperioR 25mm

MOVs

PCB Mount

Radial

275 VAC

350 VDC

430 V

710 V

25 mm

20 kA

375 J

1320 pF

- 40 C

+ 105 C

Bulk

Varistors 320VAC 10% 25mm SuperioR

B72225S4321K101
EPCOS / TDK
1: $4.47
3,636In Stock

Mfr. Part No.
B72225S4321K101

Mouser Part No
871-B72225S4321K101

EPCOS / TDK

Varistors 320VAC 10% 25mm SuperioR

Learn More

Datasheet

3,636In Stock

$4.47

$3.45

$3.26

$2.83

$2.67

Min.: 1
Mult.: 1

Disc Varistor, SuperioR 25mm

MOVs

PCB Mount

Radial

320 VAC

420 VDC

510 V

840 V

27.5 mm

20 kA

445 J

1600 pF

- 40 C

+ 105 C

Bulk

Varistors 250VAC 10% 25mm SuperioR

B72225S4251K101
EPCOS / TDK
1: $3.47
724In Stock

Mfr. Part No.
B72225S4251K101

Mouser Part No
871-B72225S4251K101

EPCOS / TDK

Varistors 250VAC 10% 25mm SuperioR

Learn More

Datasheet

724In Stock

$3.47

$2.61

$2.40

$1.99

View

Min.: 1
Mult.: 1

Disc Varistor, SuperioR 25mm

MOVs

PCB Mount

Radial

250 VAC

320 VDC

390 V

650 V

27.5 mm

20 kA

345 J

2100 pF

- 40 C

+ 105 C

Bulk

Varistors 460VAC 10% 25mm SuperioR

B72225S4461K101
EPCOS / TDK
1: $3.73
1,189In Stock

Mfr. Part No.
B72225S4461K101

Mouser Part No
871-B72225S4461K101

EPCOS / TDK

Varistors 460VAC 10% 25mm SuperioR

Datasheet

1,189In Stock

$3.73

$2.61

$2.35

$2.21

View

Min.: 1
Mult.: 1

Disc Varistor, SuperioR 25mm

MOVs

PCB Mount

Radial

460 VAC

615 VDC

750 V

1.24 kV

27.5 mm

20 kA

720 J

1050 pF

- 40 C

+ 105 C

Bulk

Varistors 550VAC 10% 25mm SuperioR

B72225S4551K101
EPCOS / TDK
1: $5.01
874In Stock

Mfr. Part No.
B72225S4551K101

Mouser Part No
871-B72225S4551K101

EPCOS / TDK

Varistors 550VAC 10% 25mm SuperioR

Learn More

Datasheet

874In Stock

$5.01

$4.04

$3.81

$3.30

$3.13

Min.: 1
Mult.: 1

Disc Varistor, SuperioR 25mm

MOVs

PCB Mount

Radial

550 VAC

745 VDC

910 V

1.5 kV

27.5 mm

20 kA

780 J

860 pF

- 40 C

+ 105 C

Bulk

Varistors Leaded Disk Varistor 710pF, 680VAC, 895VDC

B72225S4681K101
EPCOS / TDK
1: $5.01
1,140In Stock

Mfr. Part No.
B72225S4681K101

Mouser Part No
871-B72225S4681K101

EPCOS / TDK

Varistors Leaded Disk Varistor 710pF, 680VAC, 895VDC

Datasheet

1,140In Stock

$5.01

$4.04

$3.81

$3.30

$3.13

Min.: 1
Mult.: 1

Disc Varistor, SuperioR 25mm

MOVs

PCB Mount

Radial

680 VAC

895 VDC

1.1 kV

1.815 kV

27.5 mm

20 kA

940 J

710 pF

- 40 C

+ 105 C

Bulk

Varistors 275VAC 10% 20mm 3-pin ThermoFuse

B72220W2271K101
EPCOS / TDK
1: $1.73
244In Stock

Mfr. Part No.
B72220W2271K101

Mouser Part No
871-B72220W2271K101

EPCOS / TDK

Varistors 275VAC 10% 20mm 3-pin ThermoFuse

Learn More

Datasheet

244In Stock

$1.73

$1.28

$1.26

Min.: 1
Mult.: 1

Thermo-fused Varistor 3-pin, AdvanceD 20mm

MOVs

PCB Mount

Radial

275 VAC

350 VDC

430 V

710 V

9.5 mm

10 kA

215 J

850 pF

- 40 C

+ 85 C

Bulk

Varistors 230VAC 10% 25mm SuperioR

B72225S4231K101
EPCOS / TDK
1: $3.47
375In Stock

Mfr. Part No.
B72225S4231K101

Mouser Part No
871-B72225S4231K101

EPCOS / TDK

Varistors 230VAC 10% 25mm SuperioR

Datasheet

375In Stock

$3.47

$2.61

$2.40

$1.99

View

Min.: 1
Mult.: 1

Disc Varistor, SuperioR 25mm

MOVs

PCB Mount

Radial

230 VAC

300 VDC

360 V

595 V

27.5 mm

20 kA

315 J

2250 pF

- 40 C

+ 105 C

Bulk

Varistors 300VAC 10% 25mm SuperioR

B72225S4301K101
EPCOS / TDK
1: $3.47
412In Stock

Mfr. Part No.
B72225S4301K101

Mouser Part No
871-B72225S4301K101

EPCOS / TDK

Varistors 300VAC 10% 25mm SuperioR

Datasheet

412In Stock

$3.47

$2.61

$2.40

$2.11

View

Min.: 1
Mult.: 1

Disc Varistor, SuperioR 25mm

MOVs

PCB Mount

Radial

300 VAC

385 VDC

470 V

775 V

27.5 mm

20 kA

410 J

1750 pF

- 40 C

+ 105 C

Bulk

Varistors 385VAC 10% 25mm SuperioR

B72225S4381K101
EPCOS / TDK
1: $3.47
95In Stock
1,500Expected 2026/03/09

Mfr. Part No.
B72225S4381K101

Mouser Part No
871-B72225S4381K101

EPCOS / TDK

Varistors 385VAC 10% 25mm SuperioR

Learn More

Datasheet

95In Stock

1,500Expected 2026/03/09

$3.47

$2.61

$2.40

$2.11

View

Min.: 1
Mult.: 1

Disc Varistor, SuperioR 25mm

MOVs

PCB Mount

Radial

385 VAC

505 VDC

620 V

1.025 kV

27.5 mm

20 kA

600 J

1250 pF

- 40 C

+ 105 C

Bulk

Varistors 440VAC 10% 25mm SuperioR

B72225S4441K101
EPCOS / TDK
1: $3.76
197In Stock

Mfr. Part No.
B72225S4441K101

Mouser Part No
871-B72225S4441K101

EPCOS / TDK

Varistors 440VAC 10% 25mm SuperioR

Datasheet

197In Stock

$3.76

$2.61

$2.35

$2.21

View

Min.: 1
Mult.: 1

Disc Varistor, SuperioR 25mm

MOVs

PCB Mount

Radial

440 VAC

585 VDC

715 V

1.18 kV

27.5 mm

20 kA

710 J

1100 pF

- 40 C

+ 105 C

Bulk

Varistors 580VAC 10% 25mm SuperioR

B72225S4581K101
EPCOS / TDK
1: $3.98
586In Stock
2,400Expected 2026/03/10

Mfr. Part No.
B72225S4581K101

Mouser Part No
871-B72225S4581K101

EPCOS / TDK

Varistors 580VAC 10% 25mm SuperioR

Learn More

Datasheet

586In Stock

2,400Expected 2026/03/10

$3.98

$2.78

$2.50

$2.35

View

Min.: 1
Mult.: 1

Disc Varistor, SuperioR 25mm

MOVs

PCB Mount

Radial

580 VAC

780 VDC

940 V

1.58 kV

27.5 mm

20 kA

800 J

830 pF

- 40 C

+ 105 C

Bulk

Varistors 130VAC 10% 20mm 3-pin ThermoFuse

B72220W2131K101
EPCOS / TDK
1: $1.73
600Expected 2026/02/23

Mfr. Part No.
B72220W2131K101

Mouser Part No
871-B72220W2131K101

EPCOS / TDK

Varistors 130VAC 10% 20mm 3-pin ThermoFuse

Learn More

Datasheet

600Expected 2026/02/23

$1.73

$1.28

$1.16

$1.01

View

Min.: 1
Mult.: 1

Thermo-fused Varistor 3-pin, AdvanceD 20mm

MOVs

PCB Mount

Radial

130 VAC

170 VDC

205 V

340 V

23 mm

10 kA

100 J

1850 pF

- 40 C

+ 85 C

Bulk

Varistors 20mm,130Vac ,thermo-fused type,3pin

B72220W2131K501
EPCOS / TDK
750: $1.17
Non-Stocked Lead-Time 22 Weeks

Mfr. Part No.
B72220W2131K501

Mouser Part No
871-B72220W2131K501

EPCOS / TDK

Varistors 20mm,130Vac ,thermo-fused type,3pin

Datasheet

Non-Stocked Lead-Time 22 Weeks

$1.17

Min.: 750
Mult.: 150

Thermo-fused Varistor 3-pin, AdvanceD 20mm

Bulk

Varistors 20mm,140Vac ,thermo-fused type,3pin

B72220W2141K501
EPCOS / TDK
750: $1.17
Non-Stocked Lead-Time 22 Weeks

Mfr. Part No.
B72220W2141K501

Mouser Part No
871-B72220W2141K501

EPCOS / TDK

Varistors 20mm,140Vac ,thermo-fused type,3pin

Datasheet

Non-Stocked Lead-Time 22 Weeks

$1.17

Min.: 750
Mult.: 150

Thermo-fused Varistor 3-pin, AdvanceD 20mm

Bulk

Varistors 20mm,150Vac ,thermo-fused type,3pin

B72220W2151K501
EPCOS / TDK
750: $1.17
Non-Stocked Lead-Time 22 Weeks

Mfr. Part No.
B72220W2151K501

Mouser Part No
871-B72220W2151K501

EPCOS / TDK

Varistors 20mm,150Vac ,thermo-fused type,3pin

Datasheet

Non-Stocked Lead-Time 22 Weeks

$1.17

Min.: 750
Mult.: 150

Thermo-fused Varistor 3-pin, AdvanceD 20mm

Bulk

Varistors 20mm,175Vac ,thermo-fused type,3pin

B72220W2171K501
EPCOS / TDK
750: $1.17
Non-Stocked Lead-Time 22 Weeks

Mfr. Part No.
B72220W2171K501

Mouser Part No
871-B72220W2171K501

EPCOS / TDK

Varistors 20mm,175Vac ,thermo-fused type,3pin

Datasheet

Non-Stocked Lead-Time 22 Weeks

$1.17

Min.: 750
Mult.: 150

Thermo-fused Varistor 3-pin, AdvanceD 20mm

Bulk

Varistors 20mm,210Vac ,thermo-fused type,3pin

B72220W2211K501
EPCOS / TDK
750: $1.17
Non-Stocked Lead-Time 22 Weeks

Mfr. Part No.
B72220W2211K501

Mouser Part No
871-B72220W2211K501

EPCOS / TDK

Varistors 20mm,210Vac ,thermo-fused type,3pin

Datasheet

Non-Stocked Lead-Time 22 Weeks

$1.17

Min.: 750
Mult.: 150

Thermo-fused Varistor 3-pin, AdvanceD 20mm

Bulk

Varistors 20mm,250Vac ,thermo-fused type,3pin

B72220W2251K501
EPCOS / TDK
750: $1.17
Non-Stocked Lead-Time 22 Weeks

Mfr. Part No.
B72220W2251K501

Mouser Part No
871-B72220W2251K501

EPCOS / TDK

Varistors 20mm,250Vac ,thermo-fused type,3pin

Datasheet

Non-Stocked Lead-Time 22 Weeks

$1.17

Min.: 750
Mult.: 150

Thermo-fused Varistor 3-pin, AdvanceD 20mm

Bulk

Varistors 20mm,275Vac ,thermo-fused type,3pin

B72220W2271K501
EPCOS / TDK
750: $1.17
Non-Stocked Lead-Time 22 Weeks

Mfr. Part No.
B72220W2271K501

Mouser Part No
871-B72220W2271K501

EPCOS / TDK

Varistors 20mm,275Vac ,thermo-fused type,3pin

Datasheet

Non-Stocked Lead-Time 22 Weeks

$1.17

Min.: 750
Mult.: 150

Thermo-fused Varistor 3-pin, AdvanceD 20mm

Bulk

Varistors 20mm,300Vac ,thermo-fused type,3pin

B72220W2301K501
EPCOS / TDK
750: $1.17
Non-Stocked Lead-Time 22 Weeks

Mfr. Part No.
B72220W2301K501

Mouser Part No
871-B72220W2301K501

EPCOS / TDK

Varistors 20mm,300Vac ,thermo-fused type,3pin

Datasheet

Non-Stocked Lead-Time 22 Weeks

$1.17

Min.: 750
Mult.: 150

Thermo-fused Varistor 3-pin, AdvanceD 20mm

Bulk

Varistors 320VAC 10% 20mm 3-pin ThermoFuse

B72220W2321K101
EPCOS / TDK
1: $2.98
Non-Stocked Lead-Time 22 Weeks

Mfr. Part No.
B72220W2321K101

Mouser Part No
871-B72220W2321K101

EPCOS / TDK

Varistors 320VAC 10% 20mm 3-pin ThermoFuse

Learn More

Datasheet

Non-Stocked Lead-Time 22 Weeks

$2.98

$1.88

$1.67

$1.42

View

Min.: 1
Mult.: 1

Thermo-fused Varistor 3-pin, AdvanceD 20mm

MOVs

PCB Mount

Radial

320 VAC

420 VDC

510 V

840 V

23 mm

10 kA

273 J

720 pF

- 40 C

+ 85 C

Bulk

Varistors 20mm,320Vac ,thermo-fused type,3pin

B72220W2321K501
EPCOS / TDK
750: $1.17
Non-Stocked Lead-Time 22 Weeks

Mfr. Part No.
B72220W2321K501

Mouser Part No
871-B72220W2321K501

EPCOS / TDK

Varistors 20mm,320Vac ,thermo-fused type,3pin

Datasheet

Non-Stocked Lead-Time 22 Weeks

$1.17

Min.: 750
Mult.: 150

Thermo-fused Varistor 3-pin, AdvanceD 20mm

Bulk

MT ThermoFuse™ Varistors

Customer Service Office

Company

Resources

Support