Varistors – Mouser Singapore

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TMOV Thermally Protected Varistors

Littelfuse TMOV Thermally Protected Varistors are radially leaded metal oxide varistors (MOVs) with a thermally activated element designed to open during overheating. The integrated thermal element and the enclosure design work together to facilitate surge-protection module compliance to UL1449. These performance capabilities of Littelfuse TMOV varistors serve cord or permanently connected applications. These Littelfuse varistors offer quick thermal response due to the proximity of the thermal element to the MOV body. This integrated configuration provides the added benefit of lower inductance than most discrete solutions.

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Part #

Varistors THERMALLY PROTECTED VARISTOR 20MM

TMOV20RP300E
Littelfuse
1: $2.68
1,409In Stock
1,500Expected 20/4/2026

Mfr. Part No.
TMOV20RP300E

Mouser Part No
576-TMOV20RP300E

Littelfuse

Varistors THERMALLY PROTECTED VARISTOR 20MM

Learn More

Datasheet

1,409In Stock

1,500Expected 20/4/2026

$2.68

$1.97

$1.81

$1.61

$1.54

Min.: 1
Mult.: 1

TMOV

MOVs

PCB Mount

Radial

300 VAC

385 VDC

517 V

775 V

20 mm

10 kA

250 J

800 pF

- 55 C

+ 85 C

Bulk

Varistors THERMALLY PROTECTED VARISTOR 20MM

TMOV20RP320E
Littelfuse
1: $2.39
1,441In Stock

Mfr. Part No.
TMOV20RP320E

Mouser Part No
576-TMOV20RP320E

Littelfuse

Varistors THERMALLY PROTECTED VARISTOR 20MM

Learn More

Datasheet

1,441In Stock

$2.39

$1.86

$1.71

$1.54

Min.: 1
Mult.: 1

TMOV

MOVs

PCB Mount

Radial

320 VAC

561 VDC

561 V

840 V

20 mm

10 kA

372 J

750 pF

- 55 C

+ 85 C

Bulk

Varistors THERMALLY PROTECTED VARISTOR 20MM

TMOV20RP385E
Littelfuse
1: $2.70
1,630In Stock

Mfr. Part No.
TMOV20RP385E

Mouser Part No
576-TMOV20RP385E

Littelfuse

Varistors THERMALLY PROTECTED VARISTOR 20MM

Learn More

Datasheet

1,630In Stock

$2.70

$2.00

$1.82

$1.63

$1.61

Min.: 1
Mult.: 1

TMOV

MOVs

PCB Mount

Radial

385 VAC

505 VDC

682 V

1.025 kV

20 mm

10 kA

300 J

700 pF

- 55 C

+ 85 C

Bulk

Varistors THERMALLY PROTECTED VARISTOR 20MM

TMOV20RP575E
Littelfuse
1: $2.84
1,200In Stock

Mfr. Part No.
TMOV20RP575E

Mouser Part No
576-TMOV20RP575E

Littelfuse

Varistors THERMALLY PROTECTED VARISTOR 20MM

Learn More

Datasheet

1,200In Stock

$2.84

$2.11

$1.92

$1.68

Min.: 1
Mult.: 1

TMOV

MOVs

PCB Mount

Radial

575 VAC

1.568 kV

20 mm

10 kA

275 pF

- 55 C

+ 85 C

Bulk

Varistors THERMALLY PROTECTED VARISTOR 20MM

TMOV20RP750E
Littelfuse
1: $3.22
1,195In Stock
1,200Expected 8/6/2026

Mfr. Part No.
TMOV20RP750E

Mouser Part No
576-TMOV20RP750E

Littelfuse

Varistors THERMALLY PROTECTED VARISTOR 20MM

Learn More

Datasheet

1,195In Stock

1,200Expected 8/6/2026

$3.22

$2.40

$2.21

$1.95

Min.: 1
Mult.: 1

TMOV

MOVs

PCB Mount

Radial

625 VAC

825 VDC

1 kV

1.98 kV

20 mm

10 kA

480 J

175 pF

- 55 C

+ 85 C

Bulk

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

TMOV25SP150M
Littelfuse
1: $6.12
770In Stock

Mfr. Part No.
TMOV25SP150M

Mouser Part No
576-TMOV25SP150M

Littelfuse

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

Learn More

Datasheet

770In Stock

$6.12

$4.30

$3.98

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: $6.51
800In Stock

Mfr. Part No.
TMOV25SP300M

Mouser Part No
576-TMOV25SP300M

Littelfuse

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

Learn More

Datasheet

800In Stock

$6.51

$4.57

$4.16

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: $7.48
506In Stock

Mfr. Part No.
TMOV25SP550M

Mouser Part No
576-TMOV25SP550M

Littelfuse

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

Learn More

Datasheet

506In Stock

$7.48

$5.74

$4.96

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 THERMALLY PROTECTED VARISTOR 14MM

TMOV14RP115E
Littelfuse
1: $2.29
559In Stock

Mfr. Part No.
TMOV14RP115E

Mouser Part No
576-TMOV14RP115E

Littelfuse

Varistors THERMALLY PROTECTED VARISTOR 14MM

Learn More

Datasheet

559In Stock

$2.29

$1.70

$1.54

$1.37

$1.32

Min.: 1
Mult.: 1

TMOV

MOVs

PCB Mount

Radial

125 VAC

150 VDC

198 V

300 V

14 mm

6 kA

35 J

1100 pF

- 55 C

+ 85 C

Bulk

Varistors THERMALLY PROTECTED VARISTOR 14MM

TMOV14RP250E
Littelfuse
1: $2.13
1,334In Stock
4,200Expected 13/4/2026

Mfr. Part No.
TMOV14RP250E

Mouser Part No
576-TMOV14RP250E

Littelfuse

Varistors THERMALLY PROTECTED VARISTOR 14MM

Learn More

Datasheet

1,334In Stock

4,200Expected 13/4/2026

$2.13

$1.56

$1.47

$1.37

$1.32

Min.: 1
Mult.: 1

TMOV

MOVs

PCB Mount

Radial

250 VAC

320 VDC

429 V

650 V

14 mm

6 kA

100 J

500 pF

- 55 C

+ 85 C

Bulk

Varistors THERMALLY PROTECTED VARISTOR 14MM

TMOV14RP275E
Littelfuse
1: $3.61
930In Stock

Mfr. Part No.
TMOV14RP275E

Mouser Part No
576-TMOV14RP275E

Littelfuse

Varistors THERMALLY PROTECTED VARISTOR 14MM

Learn More

Datasheet

930In Stock

$3.61

$2.47

$2.32

$1.99

View

Min.: 1
Mult.: 1

TMOV

MOVs

PCB Mount

Radial

275 VAC

350 VDC

473 V

710 V

14 mm

6 kA

110 J

450 pF

- 55 C

+ 85 C

Bulk

Varistors THERMALLY PROTECTED VARISTOR 14MM

TMOV14RP300E
Littelfuse
1: $2.29
784In Stock
3,000On Order

Mfr. Part No.
TMOV14RP300E

Mouser Part No
576-TMOV14RP300E

Littelfuse

Varistors THERMALLY PROTECTED VARISTOR 14MM

Learn More

Datasheet

784In Stock

3,000On Order

$2.29

$1.70

$1.54

$1.37

$1.32

Min.: 1
Mult.: 1

TMOV

MOVs

PCB Mount

Radial

300 VAC

517 VDC

517 V

775 V

14 mm

6 kA

125 J

400 pF

- 55 C

+ 85 C

Bulk

Varistors THERMALLY PROTECTED VARISTOR 14MM

TMOV14RP300EL2T7
Littelfuse
1: $2.59
1,055In Stock

Mfr. Part No.
TMOV14RP300EL2T7

Mouser Part No
576-TMOV14RP300EL2T7

Littelfuse

Varistors THERMALLY PROTECTED VARISTOR 14MM

Learn More

Datasheet

1,055In Stock

Cut Tape

$2.59

$1.90

$1.74

$1.50

$1.34

Reel

$1.34

Min.: 1
Mult.: 1

Reel: 400

TMOV

MOVs

PCB Mount

Radial

300 VAC

470 VDC

517 V

775 V

14 mm

6 kA

125 J

400 pF

- 55 C

+ 85 C

Reel, Cut Tape

Varistors THERMALLY PROTECTED VARISTOR 14MM

TMOV14RP320EL2T7
Littelfuse
1: $2.59
1,440In Stock

Mfr. Part No.
TMOV14RP320EL2T7

Mouser Part No
576-TMOV14RP320EL2T7

Littelfuse

Varistors THERMALLY PROTECTED VARISTOR 14MM

Learn More

Datasheet

1,440In Stock

Cut Tape

$2.59

$1.90

$1.74

$1.54

$1.49

Reel

$1.34

Min.: 1
Mult.: 1

Reel: 400

TMOV

MOVs

PCB Mount

Radial

320 VAC

510 VDC

561 V

840 V

14 mm

6 kA

136 J

380 pF

- 55 C

+ 85 C

Reel, Cut Tape

Varistors THERMALLY PROTECTED VARISTOR 14MM

TMOV14RP385E
Littelfuse
1: $2.25
509In Stock

Mfr. Part No.
TMOV14RP385E

Mouser Part No
576-TMOV14RP385E

Littelfuse

Varistors THERMALLY PROTECTED VARISTOR 14MM

Learn More

Datasheet

509In Stock

$2.25

$1.68

$1.54

$1.38

$1.37

Min.: 1
Mult.: 1

TMOV

MOVs

PCB Mount

Radial

385 VAC

505 VDC

682 V

1.025 kV

14 mm

6 kA

150 J

360 pF

- 55 C

+ 85 C

Bulk

Varistors THERMALLY PROTECTED VARISTOR 14MM

TMOV14RP385EL2T7
Littelfuse
1: $2.67
245In Stock
1,200Expected 16/6/2026

Mfr. Part No.
TMOV14RP385EL2T7

Mouser Part No
576-TMOV14RP385EL2T7

Littelfuse

Varistors THERMALLY PROTECTED VARISTOR 14MM

Learn More

Datasheet

245In Stock

1,200Expected 16/6/2026

Cut Tape

$2.67

$1.97

$1.79

$1.60

$1.39

Reel

$1.39

Min.: 1
Mult.: 1

Reel: 400

TMOV

MOVs

PCB Mount

Radial

385 VAC

620 VDC

682 V

1.025 kV

14 mm

6 kA

150 J

360 pF

- 55 C

+ 85 C

Reel, Cut Tape

Varistors THERMALLY PROTECTED VARISTOR 20MM

TMOV20RP115E
Littelfuse
1: $4.13
603In Stock

Mfr. Part No.
TMOV20RP115E

Mouser Part No
576-TMOV20RP115E

Littelfuse

Varistors THERMALLY PROTECTED VARISTOR 20MM

Learn More

Datasheet

603In Stock

$4.13

$2.86

$2.71

$2.31

View

Min.: 1
Mult.: 1

TMOV

MOVs

PCB Mount

Radial

125 VAC

150 VDC

198 V

300 V

20 mm

10 kA

52 J

2400 pF

- 55 C

+ 85 C

Bulk

Varistors THERMALLY PROTECTED VARISTOR 20MM

TMOV20RP140E
Littelfuse
1: $2.61
854In Stock

Mfr. Part No.
TMOV20RP140E

Mouser Part No
576-TMOV20RP140E

Littelfuse

Varistors THERMALLY PROTECTED VARISTOR 20MM

Learn More

Datasheet

854In Stock

$2.61

$1.95

$1.77

$1.58

View

Min.: 1
Mult.: 1

TMOV

MOVs

PCB Mount

Radial

140 VAC

180 VDC

242 V

360 V

20 mm

10 kA

110 J

1750 pF

- 55 C

+ 85 C

Bulk

Varistors THERMALLY PROTECTED VARISTOR 20MM

TMOV20RP175E
Littelfuse
1: $2.61
942In Stock

Mfr. Part No.
TMOV20RP175E

Mouser Part No
576-TMOV20RP175E

Littelfuse

Varistors THERMALLY PROTECTED VARISTOR 20MM

Learn More

Datasheet

942In Stock

$2.61

$1.95

$1.77

$1.58

$1.54

Min.: 1
Mult.: 1

TMOV

MOVs

PCB Mount

Radial

175 VAC

225 VDC

297 V

455 V

20 mm

10 kA

135 J

1400 pF

- 55 C

+ 85 C

Bulk

Varistors THERMALLY PROTECTED VARISTOR 20MM

TMOV20RP200E
Littelfuse
1: $2.61
828In Stock

Mfr. Part No.
TMOV20RP200E

Mouser Part No
576-TMOV20RP200E

Littelfuse

Varistors THERMALLY PROTECTED VARISTOR 20MM

Learn More

Datasheet

828In Stock

$2.61

$1.95

$1.77

$1.58

$1.54

Min.: 1
Mult.: 1

TMOV

MOVs

PCB Mount

Radial

200 VAC

344 VDC

344 V

530 V

20 mm

10 kA

154 J

1250 pF

- 55 C

+ 85 C

Bulk

Varistors THERMALLY PROTECTED VARISTOR 20MM

TMOV20RP250E
Littelfuse
1: $4.13
1,123In Stock

Mfr. Part No.
TMOV20RP250E

Mouser Part No
576-TMOV20RP250E

Littelfuse

Varistors THERMALLY PROTECTED VARISTOR 20MM

Learn More

Datasheet

1,123In Stock

$4.13

$2.86

$2.71

$2.31

View

Min.: 1
Mult.: 1

TMOV

MOVs

PCB Mount

Radial

250 VAC

320 VDC

429 V

650 V

20 mm

10 kA

170 J

1000 pF

- 55 C

+ 85 C

Bulk

Varistors THERMALLY PROTECTED VARISTOR 20MM

TMOV20RP300EL2T7
Littelfuse
1: $2.95
19In Stock
1,200Expected 12/5/2026

Mfr. Part No.
TMOV20RP300EL2T7

Mouser Part No
576-TMOV20RP300EL2T7

Littelfuse

Varistors THERMALLY PROTECTED VARISTOR 20MM

Learn More

Datasheet

19In Stock

1,200Expected 12/5/2026

Cut Tape

$2.95

$2.18

$2.00

$1.78

Reel

$1.57

Min.: 1
Mult.: 1

Reel: 300

TMOV

MOVs

PCB Mount

Radial

300 VAC

385 VDC

517 V

775 V

20 mm

10 kA

250 J

800 pF

- 55 C

+ 85 C

Reel, Cut Tape

Varistors THERMALLY PROTECTED VARISTOR 20MM

TMOV20RP510E
Littelfuse
1: $2.84
26In Stock
1,200Expected 3/6/2026

Mfr. Part No.
TMOV20RP510E

Mouser Part No
576-TMOV20RP510E

Littelfuse

Varistors THERMALLY PROTECTED VARISTOR 20MM

Learn More

Datasheet

26In Stock

1,200Expected 3/6/2026

$2.84

$2.11

$1.92

$1.68

Min.: 1
Mult.: 1

TMOV

MOVs

PCB Mount

Radial

510 VAC

902 VDC

902 V

1.355 kV

20 mm

10 kA

325 J

350 pF

- 55 C

+ 85 C

Bulk

Varistors THERMALLY PROTECTED VARISTOR 20MM

TMOV20RP550E
Littelfuse
1: $2.84
1,039In Stock
1,200Expected 6/5/2026

Mfr. Part No.
TMOV20RP550E

Mouser Part No
576-TMOV20RP550E

Littelfuse

Varistors THERMALLY PROTECTED VARISTOR 20MM

Learn More

Datasheet

1,039In Stock

1,200Expected 6/5/2026

$2.84

$2.11

$1.92

$1.68

Min.: 1
Mult.: 1

TMOV

MOVs

PCB Mount

Radial

550 VAC

715 VDC

1.001 kV

1.5 kV

20 mm

10 kA

360 J

300 pF

- 55 C

+ 85 C

Bulk

Varistors THERMALLY PROTECTED VARISTOR 20MM

TMOV20RP625E
Littelfuse
1: $3.11
744In Stock
1,200Expected 13/4/2026

Mfr. Part No.
TMOV20RP625E

Mouser Part No
576-TMOV20RP625E

Littelfuse

Varistors THERMALLY PROTECTED VARISTOR 20MM

Learn More

Datasheet

744In Stock

1,200Expected 13/4/2026

$3.11

$2.32

$2.11

$1.83

Min.: 1
Mult.: 1

TMOV

MOVs

PCB Mount

Radial

625 VAC

1.1 kVDC

1.1 kV

1.65 kV

20 mm

10 kA

400 J

250 pF

- 55 C

+ 85 C

Bulk

TMOV Thermally Protected Varistors

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125 VAC
130 VAC
140 VAC
150 VAC
175 VAC
180 VAC
200 VAC
230 VAC
250 VAC
275 VAC
300 VAC
320 VAC
330 VAC
350 VAC
385 VAC
420 VAC
460 VAC
480 VAC
510 VAC
550 VAC

150 VDC
170 VDC
175 VDC
180 VDC
188 VDC
200 VDC
205 VDC
220 VDC
225 VDC
240 VDC
264 VDC
265 VDC
270 VDC
312.5 VDC
320 VDC
330 VDC
344 VDC
350 VDC
360 VDC
369 VDC

100 V
184.5 V to 225.5 V
198 V
202 V
216 V
225.5 V
228 V
242 V
243 V
264 V
268 V
297 V
312 V
344 V
345 V
387 V
396 V
429 V
473 V
517 V

295 V
300 V
305 V
335 V
340 V
345 V
355 V
360 V
375 V
390 V
395 V
405 V
450 V
455 V
488 V
520 V
530 V
540 V
585 V
595 V

35 J
50 J
52 J
55 J
60 J
70 J
75 J
100 J
110 J
120 J
125 J
135 J
136 J
150 J
154 J
160 J
170 J
180 J
185 J
190 J

160 pF
175 pF
180 pF
200 pF
220 pF
250 pF
275 pF
300 pF
350 pF
360 pF
380 pF
400 pF
450 pF
460 pF
500 pF
550 pF
600 pF
630 pF
680 pF
700 pF