Varistors – Mouser Singapore

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MT30 ThermoFuse™ Varistors

TDK MT30 ThermoFuse™ Varistors are metal oxide varistors that provide high peak surge currents of up to 25kA. These devices feature a leaded square varistor element and a compact size with a patented overmolded design. The series is UL 1449 recognized, type 1CA, and offers a short-circuit current rating (SCCR) of up to 200kA. TDK MT30 ThermoFuse Varistors are designed for use in surge protection devices, AC/DC distribution, inverters, and more.

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Part #

Varistors 275VAC 10% 25mm SuperioR

B72225S4271K101
EPCOS / TDK
1: $4.13
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

$4.13

$3.10

$2.84

$2.36

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: $3.50
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

$3.50

$2.60

$2.59

$2.53

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 510VAC 10% 25mm SuperioR

B72225S4511K101
EPCOS / TDK
1: $5.53
930In Stock

Mfr. Part No.
B72225S4511K101

Mouser Part No
871-B72225S4511K101

EPCOS / TDK

Varistors 510VAC 10% 25mm SuperioR

Datasheet

930In Stock

$5.53

$4.18

$3.85

$3.24

View

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 250VAC 10% 25mm SuperioR

B72225S4251K101
EPCOS / TDK
1: $4.81
724In Stock

Mfr. Part No.
B72225S4251K101

Mouser Part No
871-B72225S4251K101

EPCOS / TDK

Varistors 250VAC 10% 25mm SuperioR

Learn More

Datasheet

724In Stock

$4.81

$3.63

$3.34

$2.77

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 420VAC 10% 25mm SuperioR

B72225S4421K101
EPCOS / TDK
1: $5.23
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

$5.23

$3.63

$3.27

$3.07

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 460VAC 10% 25mm SuperioR

B72225S4461K101
EPCOS / TDK
1: $5.18
1,189In Stock

Mfr. Part No.
B72225S4461K101

Mouser Part No
871-B72225S4461K101

EPCOS / TDK

Varistors 460VAC 10% 25mm SuperioR

Datasheet

1,189In Stock

$5.18

$3.63

$3.27

$3.07

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: $5.00
874In Stock

Mfr. Part No.
B72225S4551K101

Mouser Part No
871-B72225S4551K101

EPCOS / TDK

Varistors 550VAC 10% 25mm SuperioR

Learn More

Datasheet

874In Stock

$5.00

$3.86

$3.57

$3.24

View

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: $6.96
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

$6.96

$5.60

$5.30

$4.59

$4.35

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 230VAC 10% 25mm SuperioR

B72225S4231K101
EPCOS / TDK
1: $4.81
375In Stock

Mfr. Part No.
B72225S4231K101

Mouser Part No
871-B72225S4231K101

EPCOS / TDK

Varistors 230VAC 10% 25mm SuperioR

Datasheet

375In Stock

$4.81

$3.63

$3.34

$2.77

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: $4.81
412In Stock

Mfr. Part No.
B72225S4301K101

Mouser Part No
871-B72225S4301K101

EPCOS / TDK

Varistors 300VAC 10% 25mm SuperioR

Datasheet

412In Stock

$4.81

$3.63

$3.34

$2.93

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: $4.81
195In Stock
1,500Expected 9/3/2026

Mfr. Part No.
B72225S4381K101

Mouser Part No
871-B72225S4381K101

EPCOS / TDK

Varistors 385VAC 10% 25mm SuperioR

Learn More

Datasheet

195In Stock

1,500Expected 9/3/2026

$4.81

$3.63

$3.34

$2.93

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: $5.21
197In Stock

Mfr. Part No.
B72225S4441K101

Mouser Part No
871-B72225S4441K101

EPCOS / TDK

Varistors 440VAC 10% 25mm SuperioR

Datasheet

197In Stock

$5.21

$3.63

$3.27

$3.07

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: $5.53
586In Stock

Mfr. Part No.
B72225S4581K101

Mouser Part No
871-B72225S4581K101

EPCOS / TDK

Varistors 580VAC 10% 25mm SuperioR

Learn More

Datasheet

586In Stock

$5.53

$3.86

$3.48

$3.27

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% 25mm SuperioR

B72225S4131K101
EPCOS / TDK
1,000: $2.65
Non-Stocked Lead-Time 20 Weeks

Mfr. Part No.
B72225S4131K101

Mouser Part No
871-B72225S4131K101

EPCOS / TDK

Varistors 130VAC 10% 25mm SuperioR

Learn More

Datasheet

Non-Stocked Lead-Time 20 Weeks

$2.65

$2.59

$2.53

Min.: 1,000
Mult.: 1,000

Disc Varistor, SuperioR 25mm

MOVs

PCB Mount

Radial

130 VAC

170 VDC

205 V

340 V

27.5 mm

20 kA

185 J

3800 pF

- 40 C

+ 105 C

Bulk

Varistors 140VAC 10% 25mm SuperioR

B72225S4141K101
EPCOS / TDK
1,000: $2.67
Non-Stocked Lead-Time 20 Weeks

Mfr. Part No.
B72225S4141K101

Mouser Part No
871-B72225S4141K101

EPCOS / TDK

Varistors 140VAC 10% 25mm SuperioR

Datasheet

Non-Stocked Lead-Time 20 Weeks

$2.67

$2.59

$2.53

Min.: 1,000
Mult.: 1,000

Disc Varistor, SuperioR 25mm

PCB Mount

Radial

- 40 C

+ 105 C

Bulk

Varistors 150VAC 10% 25mm SuperioR

B72225S4151K101
EPCOS / TDK
1: $4.81
Non-Stocked Lead-Time 20 Weeks

Mfr. Part No.
B72225S4151K101

Mouser Part No
871-B72225S4151K101

EPCOS / TDK

Varistors 150VAC 10% 25mm SuperioR

Learn More

Datasheet

Non-Stocked Lead-Time 20 Weeks

$4.81

$3.63

$3.34

$2.77

View

Min.: 1
Mult.: 1

Disc Varistor, SuperioR 25mm

PCB Mount

Radial

150 VAC

- 40 C

+ 105 C

Bulk

Varistors 175VAC 10% 25mm SuperioR

B72225S4171K101
EPCOS / TDK
1: $6.21
Non-Stocked Lead-Time 20 Weeks

Mfr. Part No.
B72225S4171K101

Mouser Part No
871-B72225S4171K101

EPCOS / TDK

Varistors 175VAC 10% 25mm SuperioR

Datasheet

Non-Stocked Lead-Time 20 Weeks

$6.21

$4.80

$4.53

$3.92

$3.73

Min.: 1
Mult.: 1

Disc Varistor, SuperioR 25mm

MOVs

PCB Mount

Radial

175 VAC

225 VDC

270 V

20 kA

245 J

2900 pF

- 40 C

+ 105 C

Bulk

Varistors 620VAC 10% 25mm SuperioR

B72225S4621K101
EPCOS / TDK
1: $5.53
Non-Stocked Lead-Time 20 Weeks

Mfr. Part No.
B72225S4621K101

Mouser Part No
871-B72225S4621K101

EPCOS / TDK

Varistors 620VAC 10% 25mm SuperioR

Datasheet

Non-Stocked Lead-Time 20 Weeks

$5.53

$3.86

$3.48

$3.27

View

Min.: 1
Mult.: 1

Disc Varistor, SuperioR 25mm

PCB Mount

Radial

- 40 C

+ 105 C

Bulk

MT30 ThermoFuse™ Varistors

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