Varistors

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Littelfuse Varistors are protective devices that offer several important features, such as overvoltage protection, peak current ratings from 20A to 70,000A, and peak energy ratings from 0.01J to 10,000J. The mounting options serve a wide range of applications. Littelfuse Varistors also offer many form factor and protection ranges, rugged cost-effective protection, thermal protection options, and RoHS compliance.

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Part #

Varistors 275V 20KA SQ 25MM PB FREE 25S

TMOV25SP275M
Littelfuse
1: $3.85
721In Stock

Mfr. Part No.
TMOV25SP275M

Mouser Part No
576-TMOV25SP275M

Littelfuse

Varistors 275V 20KA SQ 25MM PB FREE 25S

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Datasheet

721In Stock

$3.85

$2.92

$2.72

Min.: 1
Mult.: 1

TMOV

MOVs

PCB Mount

Radial

275 VAC

350 VDC

387 V

700 V

25 mm

20 kA

350 J

1250 pF

- 55 C

+ 85 C

Bulk

Varistors 250V 20KA SQ 25MM PB FREE 25S

TMOV25SP250M
Littelfuse
1: $4.58
785In Stock

Mfr. Part No.
TMOV25SP250M

Mouser Part No
576-TMOV25SP250M

Littelfuse

Varistors 250V 20KA SQ 25MM PB FREE 25S

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Datasheet

785In Stock

$4.58

$3.23

$2.92

$2.76

$2.72

Min.: 1
Mult.: 1

TMOV

MOVs

PCB Mount

Radial

250 VAC

320 VDC

429 V

640 V

25 mm

20 kA

330 J

1400 pF

- 55 C

+ 85 C

Bulk

Varistors 385V 20KA SQ 25MM PB FREE 25S

TMOV25SP385M
Littelfuse
1: $2.90
601In Stock

Mfr. Part No.
TMOV25SP385M

Mouser Part No
576-TMOV25SP385M

Littelfuse

Varistors 385V 20KA SQ 25MM PB FREE 25S

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Datasheet

601In Stock

$2.90

$2.88

Min.: 1
Mult.: 1

TMOV

MOVs

PCB Mount

Radial

385 VAC

505 VDC

682 V

1.01 kV

25 mm

20 kA

430 J

900 pF

- 55 C

+ 85 C

Bulk

Varistors 140V 20KA SQ 25MM PB FREE 25S

TMOV25SP140M
Littelfuse
1: $4.06
393In Stock

Mfr. Part No.
TMOV25SP140M

Mouser Part No
576-TMOV25SP140M

Littelfuse

Varistors 140V 20KA SQ 25MM PB FREE 25S

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Datasheet

393In Stock

$4.06

$2.84

$2.58

Min.: 1
Mult.: 1

TMOV

MOVs

PCB Mount

Radial

140 VAC

180 VDC

242 V

355 V

25 mm

20 kA

210 J

2500 pF

- 55 C

+ 85 C

Bulk

Varistors 625V 20KA SQ 25MM PB FREE 25S

TMOV25SP625M
Littelfuse
1: $6.04
780In Stock

Mfr. Part No.
TMOV25SP625M

Mouser Part No
576-TMOV25SP625M

Littelfuse

Varistors 625V 20KA SQ 25MM PB FREE 25S

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Datasheet

780In Stock

$6.04

$4.64

$3.97

$3.81

$3.69

Min.: 1
Mult.: 1

TMOV

MOVs

PCB Mount

Radial

625 VAC

825 VDC

1.1 kV

1.625 kV

25 mm

20 kA

600 J

550 pF

- 55 C

+ 85 C

Bulk

Varistors 230V 20KA SQ 25MM PB FREE 25S

TMOV25SP230M
Littelfuse
1: $6.02
735In Stock

Mfr. Part No.
TMOV25SP230M

Mouser Part No
576-TMOV25SP230M

Littelfuse

Varistors 230V 20KA SQ 25MM PB FREE 25S

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Datasheet

735In Stock

$6.02

$5.51

$5.07

$3.54

$2.99

Min.: 1
Mult.: 1

TMOV

585 V

1500 pF

Bulk

Varistors 150V 20KA SQ 25MM 25S ROHS / LEAD FREE

TMOV25SP150M
Littelfuse
1: $4.40
768In Stock
8Expected 2026/02/12

Mfr. Part No.
TMOV25SP150M

Mouser Part No
576-TMOV25SP150M

Littelfuse

Varistors 150V 20KA SQ 25MM 25S ROHS / LEAD FREE

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Datasheet

768In Stock

8Expected 2026/02/12

$4.40

$3.09

$2.86

Min.: 1
Mult.: 1

TMOV

MOVs

PCB Mount

Radial

150 VAC

200 VDC

216 V

390 V

25 mm

20 kA

220 J

2300 pF

- 55 C

+ 85 C

Bulk

Varistors 300V 20KA SQ 25MM PB FREE 25S

TMOV25SP300M
Littelfuse
1: $4.68
800In Stock

Mfr. Part No.
TMOV25SP300M

Mouser Part No
576-TMOV25SP300M

Littelfuse

Varistors 300V 20KA SQ 25MM PB FREE 25S

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Datasheet

800In Stock

$4.68

$3.29

$2.99

Min.: 1
Mult.: 1

TMOV

MOVs

PCB Mount

Radial

300 VAC

385 VDC

517 V

765 V

25 mm

20 kA

370 J

1150 pF

- 55 C

+ 85 C

Bulk

Varistors 550V 20KA SQ 25MM 25S ROHS/PB FREE

TMOV25SP550M
Littelfuse
1: $5.38
506In Stock

Mfr. Part No.
TMOV25SP550M

Mouser Part No
576-TMOV25SP550M

Littelfuse

Varistors 550V 20KA SQ 25MM 25S ROHS/PB FREE

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Datasheet

506In Stock

$5.38

$4.13

$3.57

Min.: 1
Mult.: 1

TMOV

MOVs

PCB Mount

Radial

550 VAC

745 VDC

1.001 kV

1.475 kV

25 mm

20 kA

550 J

630 pF

- 55 C

+ 85 C

Bulk

Varistors 115V 20KA SQ 25MM PB FREE 25S

TMOV25SP115M
Littelfuse
1: $4.36
248In Stock

Mfr. Part No.
TMOV25SP115M

Mouser Part No
576-TMOV25SP115M

Littelfuse

Varistors 115V 20KA SQ 25MM PB FREE 25S

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Datasheet

248In Stock

$4.36

$3.06

$2.83

Min.: 1
Mult.: 1

TMOV

MOVs

PCB Mount

Radial

125 VAC

150 VDC

198 V

295 V

25 mm

20 kA

170 J

3200 pF

- 55 C

+ 85 C

Bulk

Varistors 320V 20KA SQ 25MM 25S ROHS/PB FREE

TMOV25SP320M
Littelfuse
1: $4.85
162In Stock

Mfr. Part No.
TMOV25SP320M

Mouser Part No
576-TMOV25SP320M

Littelfuse

Varistors 320V 20KA SQ 25MM 25S ROHS/PB FREE

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Datasheet

162In Stock

$4.85

$3.42

$3.17

Min.: 1
Mult.: 1

TMOV

MOVs

PCB Mount

Radial

320 VAC

420 VDC

561 V

825 V

25 mm

20 kA

390 J

1080 pF

- 55 C

+ 85 C

Bulk

Varistors 175V 20KA SQ 25MM PB FREE 25S

TMOV25SP175M
Littelfuse
1: $4.43
800Expected 2026/06/08

Mfr. Part No.
TMOV25SP175M

Mouser Part No
576-TMOV25SP175M

Littelfuse

Varistors 175V 20KA SQ 25MM PB FREE 25S

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Datasheet

800Expected 2026/06/08

$4.43

$3.11

$2.88

Min.: 1
Mult.: 1

TMOV

MOVs

PCB Mount

Radial

175 VAC

225 VDC

243 V

450 V

25 mm

20 kA

250 J

1900 pF

- 55 C

+ 85 C

Bulk

Varistors 130V 20KA SQ 25MM PB FREE 25S

TMOV25SP130M
Littelfuse
800: $2.84
Non-Stocked Lead-Time 13 Weeks

Mfr. Part No.
TMOV25SP130M

Mouser Part No
576-TMOV25SP130M

Littelfuse

Varistors 130V 20KA SQ 25MM PB FREE 25S

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Datasheet

Non-Stocked Lead-Time 13 Weeks

$2.84

Min.: 800
Mult.: 100

TMOV

335 V

2800 pF

Bulk

Varistors 420V 20KA SQ 25MM 25S ROHS/PB FREE

TMOV25SP420M
Littelfuse
800: $3.17
Non-Stocked Lead-Time 13 Weeks

Mfr. Part No.
TMOV25SP420M

Mouser Part No
576-TMOV25SP420M

Littelfuse

Varistors 420V 20KA SQ 25MM 25S ROHS/PB FREE

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Datasheet

Non-Stocked Lead-Time 13 Weeks

$3.17

Min.: 800
Mult.: 100

TMOV

1.1 kV

820 pF

Bulk

Varistors 440V 20KA SQ 25MM PB FREE 25S

TMOV25SP440M
Littelfuse
800: $3.17
Non-Stocked Lead-Time 13 Weeks

Mfr. Part No.
TMOV25SP440M

Mouser Part No
576-TMOV25SP440M

Littelfuse

Varistors 440V 20KA SQ 25MM PB FREE 25S

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Datasheet

Non-Stocked Lead-Time 13 Weeks

$3.17

Min.: 800
Mult.: 100

TMOV

1.16 kV

790 pF

Bulk

Varistors 460V 20KA SQ 25MM PB FREE 25S

TMOV25SP460M
Littelfuse
800: $3.90
Non-Stocked Lead-Time 13 Weeks

Mfr. Part No.
TMOV25SP460M

Mouser Part No
576-TMOV25SP460M

Littelfuse

Varistors 460V 20KA SQ 25MM PB FREE 25S

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Datasheet

Non-Stocked Lead-Time 13 Weeks

$3.90

Min.: 800
Mult.: 100

TMOV

1.22 kV

750 pF

Bulk

Varistors 510V 20KA SQ 25MM PB FREE 25S

TMOV25SP510M
Littelfuse
800: $3.57
Non-Stocked Lead-Time 13 Weeks

Mfr. Part No.
TMOV25SP510M

Mouser Part No
576-TMOV25SP510M

Littelfuse

Varistors 510V 20KA SQ 25MM PB FREE 25S

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Datasheet

Non-Stocked Lead-Time 13 Weeks

$3.57

Min.: 800
Mult.: 100

TMOV

MOVs

PCB Mount

Radial

510 VAC

670 VDC

902 V

1.335 kV

25 mm

20 kA

520 J

680 pF

- 55 C

+ 85 C

Bulk

Varistors 750V 20KA SQ 25MM 25S ROHS/PB FREE

TMOV25SP750M
Littelfuse
800: $4.05
Non-Stocked Lead-Time 13 Weeks

Mfr. Part No.
TMOV25SP750M

Mouser Part No
576-TMOV25SP750M

Littelfuse

Varistors 750V 20KA SQ 25MM 25S ROHS/PB FREE

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Datasheet

Non-Stocked Lead-Time 13 Weeks

$4.05

Min.: 800
Mult.: 80

TMOV

MOVs

PCB Mount

Radial

750 VAC

970 VDC

1.32 kV

1.95 kV

25 mm

20 kA

670 J

460 pF

- 55 C

+ 85 C

Bulk

Varistors

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