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Communications Infrastructure Solutions

Littelfuse provides a wide range of communication infrastructure solutions that ensure speed and reliability in all environments. These solutions are energy efficient, dependable, and easy to incorporate into compact designs. Communication infrastructure solutions from Littelfuse include TVS diodes, varistors, NTC thermistors, fuses, and more.

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Part #

NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 5K OHM 5% 0805 SMT

KR502F0J
Littelfuse
1: CHF 0.586
3’500In Stock

Mfr. Part No.
KR502F0J

Mouser Part No
576-KR502F0J

Littelfuse

NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 5K OHM 5% 0805 SMT

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Datasheet

3’500In Stock

CHF 0.586

CHF 0.556

CHF 0.52

CHF 0.496

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Min.: 1
Mult.: 1

Cartridge Fuses 40A 500V

0606040.UXTHP
Littelfuse
1: CHF 10.11
598In Stock

Mfr. Part No.
0606040.UXTHP

Mouser Part No
576-0606040.UXTHP

Littelfuse

Cartridge Fuses 40A 500V

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Datasheet

598In Stock

CHF 10.11

CHF 7.47

Min.: 1
Mult.: 1

Cartridge Fuses 63A 500V

0606063.UXTHP
Littelfuse
1: CHF 13.28
468In Stock

Mfr. Part No.
0606063.UXTHP

Mouser Part No
576-0606063.UXTHP

Littelfuse

Cartridge Fuses 63A 500V

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Datasheet

468In Stock

CHF 13.28

CHF 11.02

CHF 10.17

CHF 8.43

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Min.: 1
Mult.: 1

Varistors RADIAL VARISTOR 7MM ROHS/LEAD FREE

V07E25PL2T
Littelfuse
1: CHF 0.23
9’580In Stock

Mfr. Part No.
V07E25PL2T

Mouser Part No
576-V07E25PL2T

Littelfuse

Varistors RADIAL VARISTOR 7MM ROHS/LEAD FREE

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Datasheet

9’580In Stock

Cut Tape

CHF 0.23

CHF 0.157

Reel

CHF 0.153

Min.: 1
Mult.: 1

: 1’000

Varistors RADIAL VARISTOR 20MM ROHS / LEAD FREE

V420LA40CP
Littelfuse
1: CHF 0.555
2’452In Stock

Mfr. Part No.
V420LA40CP

Mouser Part No
576-V420LA40CP

Littelfuse

Varistors RADIAL VARISTOR 20MM ROHS / LEAD FREE

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Datasheet

2’452In Stock

CHF 0.555

CHF 0.44

CHF 0.424

Min.: 1
Mult.: 1

Varistors 820V 2500pF

V550LA80CP
Littelfuse
1: CHF 1.50
9’212In Stock

Mfr. Part No.
V550LA80CP

Mouser Part No
576-V550LA80CP

Littelfuse

Varistors 820V 2500pF

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Datasheet

9’212In Stock

CHF 1.50

CHF 1.11

CHF 0.864

CHF 0.762

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Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes ESD 3.3V UNI

SP3420-04UTG
Littelfuse
1: CHF 1.21
33’941In Stock

Mfr. Part No.
SP3420-04UTG

Mouser Part No
576-SP3420-04UTG

Littelfuse

ESD Protection Diodes / TVS Diodes ESD 3.3V UNI

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Datasheet

33’941In Stock

Cut Tape

CHF 1.21

CHF 0.757

CHF 0.502

CHF 0.394

CHF 0.357

Reel

CHF 0.284

MouseReel Available

Min.: 1
Mult.: 1

: 3’000

Surface Mount Fuses 100A 75V FAST ACTING

0881100.URF
Littelfuse
1: CHF 20.38
400Expected 12/3/2026

Mfr. Part No.
0881100.URF

Mouser Part No
576-0881100.URF

Littelfuse

Surface Mount Fuses 100A 75V FAST ACTING

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Datasheet

400Expected 12/3/2026

Cut Tape

CHF 20.38

CHF 16.91

CHF 15.60

CHF 12.93

View

Reel

CHF 11.26

Min.: 1
Mult.: 1

: 500

Industrial & Electrical Fuses 170 VDC TELECOM FUSE

0TLS060.TXV
Littelfuse
1: CHF 37.86
3In Stock

Mfr. Part No.
0TLS060.TXV

Mouser Part No
576-0TLS060.TXV

Littelfuse

Industrial & Electrical Fuses 170 VDC TELECOM FUSE

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Datasheet

3In Stock

CHF 37.86

CHF 29.08

CHF 25.28

CHF 23.08

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Min.: 1
Mult.: 1

Industrial & Electrical Fuses 300A 600VAC 300VDC Class T

JLLS300.X
Littelfuse
1: CHF 185.51
5In Stock

Mfr. Part No.
JLLS300.X

Mouser Part No
576-JLLS300.X

Littelfuse

Industrial & Electrical Fuses 300A 600VAC 300VDC Class T

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Datasheet

5In Stock

CHF 185.51

CHF 155.30

CHF 148.12

CHF 142.12

Min.: 1
Mult.: 1

Varistors 30V 5mm Phenolic UltraMOV

V05P30P
Littelfuse
1: CHF 0.619
58In Stock

Mfr. Part No.
V05P30P

Mouser Part No
576-V05P30P

Littelfuse

Varistors 30V 5mm Phenolic UltraMOV

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Datasheet

58In Stock

CHF 0.619

CHF 0.369

CHF 0.255

CHF 0.237

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Min.: 1
Mult.: 1

Varistors 140V 7mm Epoxy UltraMOV

V07E140P
Littelfuse
1: CHF 0.595
3’269In Stock

Mfr. Part No.
V07E140P

Mouser Part No
576-V07E140P

Littelfuse

Varistors 140V 7mm Epoxy UltraMOV

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Datasheet

3’269In Stock

CHF 0.595

CHF 0.355

CHF 0.246

CHF 0.229

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Min.: 1
Mult.: 1

Varistors VARISTOR RA SERIES LEAD FREE

V82RA16X2749
Littelfuse
1: CHF 6.00
98In Stock

Mfr. Part No.
V82RA16X2749

Mouser Part No
576-V82RA16X2749

Littelfuse

Varistors VARISTOR RA SERIES LEAD FREE

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Datasheet

98In Stock

CHF 6.00

CHF 4.96

CHF 4.73

CHF 4.10

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Min.: 1
Mult.: 1

Industrial & Electrical Fuses 15A 170VDC

0TLS015.T
Littelfuse
1: CHF 26.00
22In Stock

Mfr. Part No.
0TLS015.T

Mouser Part No
576-0TLS015.T

Littelfuse

Industrial & Electrical Fuses 15A 170VDC

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Datasheet

22In Stock

CHF 26.00

CHF 21.57

CHF 20.17

CHF 17.43

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Min.: 1
Mult.: 1

Industrial & Electrical Fuses 170 VDC TELECOM FUSE

0TLS020.TXV
Littelfuse
1: CHF 38.26
60In Stock

Mfr. Part No.
0TLS020.TXV

Mouser Part No
576-0TLS020.TXV

Littelfuse

Industrial & Electrical Fuses 170 VDC TELECOM FUSE

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Datasheet

60In Stock

CHF 38.26

CHF 25.92

CHF 21.47

CHF 21.13

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Min.: 1
Mult.: 1

Industrial & Electrical Fuses 60A 170VDC

0TLS060.T
Littelfuse
1: CHF 23.41
15In Stock

Mfr. Part No.
0TLS060.T

Mouser Part No
576-0TLS060.T

Littelfuse

Industrial & Electrical Fuses 60A 170VDC

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Datasheet

15In Stock

CHF 23.41

CHF 22.24

CHF 21.36

CHF 18.97

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Min.: 1
Mult.: 1

Varistors 11V 5mm Phenolic UltraMOV

V05P11P
Littelfuse
1: CHF 0.619
3’728In Stock

Mfr. Part No.
V05P11P

Mouser Part No
576-V05P11P

Littelfuse

Varistors 11V 5mm Phenolic UltraMOV

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Datasheet

3’728In Stock

CHF 0.619

CHF 0.369

CHF 0.255

CHF 0.237

View

Min.: 1
Mult.: 1

Varistors 23V 5mm Phenolic UltraMOV

V05P23P
Littelfuse
1: CHF 0.619
4’120In Stock

Mfr. Part No.
V05P23P

Mouser Part No
576-V05P23P

Littelfuse

Varistors 23V 5mm Phenolic UltraMOV

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Datasheet

4’120In Stock

CHF 0.619

CHF 0.369

CHF 0.255

CHF 0.237

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors C THERMISTOR 10K OHM 5% 0603 SMT

RB103J0J
Littelfuse
1: CHF 0.365
3’845In Stock

Mfr. Part No.
RB103J0J

Mouser Part No
576-RB103J0J

Littelfuse

NTC (Negative Temperature Coefficient) Thermistors C THERMISTOR 10K OHM 5% 0603 SMT

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Datasheet

3’845In Stock

CHF 0.365

CHF 0.338

CHF 0.314

CHF 0.299

View

Min.: 1
Mult.: 1

Varistors 11V 7mm Epoxy UltraMOV

V07E11P
Littelfuse
1: CHF 0.325
4’444In Stock

Mfr. Part No.
V07E11P

Mouser Part No
576-V07E11P

Littelfuse

Varistors 11V 7mm Epoxy UltraMOV

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Datasheet

4’444In Stock

CHF 0.325

CHF 0.225

CHF 0.201

CHF 0.177

View

Min.: 1
Mult.: 1

Varistors 50V 10mm Epoxy UltraMOV

V10E50P
Littelfuse
1: CHF 0.301
5’482In Stock

Mfr. Part No.
V10E50P

Mouser Part No
576-V10E50P

Littelfuse

Varistors 50V 10mm Epoxy UltraMOV

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Datasheet

5’482In Stock

CHF 0.301

CHF 0.212

CHF 0.19

CHF 0.164

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 170 VDC TELECOM FUSE

0TLS040.TXV
Littelfuse
1: CHF 33.88
10In Stock

Mfr. Part No.
0TLS040.TXV

Mouser Part No
576-0TLS040.TXV

Littelfuse

Industrial & Electrical Fuses 170 VDC TELECOM FUSE

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Datasheet

10In Stock

CHF 33.88

CHF 28.11

CHF 27.22

CHF 23.21

View

Min.: 1
Mult.: 1

Varistors 275V 7mm Epoxy UltraMOV

V07E275PL2B
Littelfuse
1: CHF 0.643
3’544In Stock

Mfr. Part No.
V07E275PL2B

Mouser Part No
576-V07E275PL2B

Littelfuse

Varistors 275V 7mm Epoxy UltraMOV

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Datasheet

3’544In Stock

CHF 0.643

CHF 0.384

CHF 0.354

CHF 0.283

View

Min.: 1
Mult.: 1

Varistors 25V 14mm Phenolic UltraMOV

V14P25P
Littelfuse
1: CHF 1.09
847In Stock

Mfr. Part No.
V14P25P

Mouser Part No
576-V14P25P

Littelfuse

Varistors 25V 14mm Phenolic UltraMOV

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Datasheet

847In Stock

CHF 1.09

CHF 0.666

CHF 0.592

CHF 0.487

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 6A 600VAC 300VDC Class T

JLLS006.T
Littelfuse
1: CHF 28.41
1In Stock

Mfr. Part No.
JLLS006.T

Mouser Part No
576-JLLS006.T

Littelfuse

Industrial & Electrical Fuses 6A 600VAC 300VDC Class T

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Datasheet

1In Stock

CHF 28.41

CHF 24.44

CHF 20.03

CHF 19.56

View

Min.: 1
Mult.: 1

Communications Infrastructure Solutions

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Communications Infrastructure Solutions

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