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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 #

Varistors 50V 20mm Epoxy UltraMOV

V20E50P
Littelfuse
1: $0.884
6,508On Order

Mfr. Part No.
V20E50P

Mouser Part No
576-V20E50P

Littelfuse

Varistors 50V 20mm Epoxy UltraMOV

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Datasheet

6,508On Order

$0.884

$0.634

$0.57

$0.499

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Min.: 1
Mult.: 1

Varistors RADIAL VARISTOR LEAD FREE

V250LA40CPX620
Littelfuse
1: $1.93
4,809On Order

Mfr. Part No.
V250LA40CPX620

Mouser Part No
576-V250LA40CPX620

Littelfuse

Varistors RADIAL VARISTOR LEAD FREE

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Datasheet

4,809On Order

$1.93

$1.43

$1.29

$1.15

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 30A 600VAC 300VDC Class T

JLLS030.T
Littelfuse
1: $43.41
72Expected 12/11/2026

Mfr. Part No.
JLLS030.T

Mouser Part No
576-JLLS030.T

Littelfuse

Industrial & Electrical Fuses 30A 600VAC 300VDC Class T

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Datasheet

72Expected 12/11/2026

$43.41

$36.03

$33.24

$27.53

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 60A 600VAC 300VDC Class T

JLLS060.T
Littelfuse
1: $62.48
17Expected 9/10/2026

Mfr. Part No.
JLLS060.T

Mouser Part No
576-JLLS060.T

Littelfuse

Industrial & Electrical Fuses 60A 600VAC 300VDC Class T

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Datasheet

17Expected 9/10/2026

$62.48

$52.56

$47.82

$39.60

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 80A 600VAC 300VDC Class T

JLLS080.V
Littelfuse
1: $107.48
2Expected 26/10/2026

Mfr. Part No.
JLLS080.V

Mouser Part No
576-JLLS080.V

Littelfuse

Industrial & Electrical Fuses 80A 600VAC 300VDC Class T

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Datasheet

2Expected 26/10/2026

$107.48

$89.15

$82.23

$68.04

$62.67

Min.: 1
Mult.: 1

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

RB103E0J
Littelfuse
1: $0.938
240Expected 10/9/2026

Mfr. Part No.
RB103E0J

Mouser Part No
576-RB103E0J

Littelfuse

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

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Datasheet

240Expected 10/9/2026

$0.938

$0.713

$0.613

$0.592

View

Min.: 1
Mult.: 1

Varistors 25V 250A 900pF

V39RA8
Littelfuse
1: $9.81
948Expected 26/10/2026

Mfr. Part No.
V39RA8

Mouser Part No
576-V39RA8

Littelfuse

Varistors 25V 250A 900pF

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Datasheet

948Expected 26/10/2026

$9.81

$8.11

$7.72

$6.70

$5.74

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 125A 170VDC

0TLS125.T
Littelfuse
1: $63.00
10Expected 10/12/2026

Mfr. Part No.
0TLS125.T

Mouser Part No
576-0TLS125.T

Littelfuse

Industrial & Electrical Fuses 125A 170VDC

Datasheet

10Expected 10/12/2026

$63.00

$53.79

$51.24

$48.17

View

Min.: 1
Mult.: 1

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 2500V 3kA 8/20us UL 1449

CG42.5SM
Littelfuse
1: $2.31
980Expected 28/8/2026

Mfr. Part No.
CG42.5SM

Mouser Part No
576-CG42.5SM

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 2500V 3kA 8/20us UL 1449

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Datasheet

980Expected 28/8/2026

Cut Tape

$2.31

$1.77

$1.44

$1.28

Reel

$1.18

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

NTC (Negative Temperature Coefficient) Thermistors THERMISTOR, US SENSO

KR104R0J
Littelfuse
1: $1.58
3,493Expected 7/10/2026

Mfr. Part No.
KR104R0J

Mouser Part No
576-KR104R0J

Littelfuse

NTC (Negative Temperature Coefficient) Thermistors THERMISTOR, US SENSO

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Datasheet

3,493Expected 7/10/2026

$1.58

$1.18

$0.942

$0.887

View

Min.: 1
Mult.: 1

Varistors 30V 7mm Epoxy UltraMOV

V07E30P
Littelfuse
1: $0.272
3,000Expected 13/10/2026

Mfr. Part No.
V07E30P

Mouser Part No
576-V07E30P

Littelfuse

Varistors 30V 7mm Epoxy UltraMOV

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Datasheet

3,000Expected 13/10/2026

$0.272

$0.264

Min.: 1
Mult.: 1

Varistors 30V 10mm Epoxy UltraMOV

V10E30P
Littelfuse
1: $0.558
4,000On Order

Mfr. Part No.
V10E30P

Mouser Part No
576-V10E30P

Littelfuse

Varistors 30V 10mm Epoxy UltraMOV

Learn More

Datasheet

4,000On Order

$0.558

$0.386

$0.351

Min.: 1
Mult.: 1

Varistors 40V 10mm Epoxy UltraMOV

V10E40P
Littelfuse
1: $1.46
4,975Expected 3/12/2026

Mfr. Part No.
V10E40P

Mouser Part No
576-V10E40P

Littelfuse

Varistors 40V 10mm Epoxy UltraMOV

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Datasheet

4,975Expected 3/12/2026

$1.46

$0.885

$0.768

$0.627

View

Min.: 1
Mult.: 1

Varistors 14V 14mm Epoxy UltraMOV

V14E14P
Littelfuse
1: $0.911
2,108On Order

Mfr. Part No.
V14E14P

Mouser Part No
576-V14E14P

Littelfuse

Varistors 14V 14mm Epoxy UltraMOV

Learn More

Datasheet

2,108On Order

$0.911

$0.647

$0.582

$0.51

View

Min.: 1
Mult.: 1

Varistors 17V 20mm Epoxy UltraMOV

V20E17P
Littelfuse
1: $1.14
1,483Expected 15/2/2027

Mfr. Part No.
V20E17P

Mouser Part No
576-V20E17P

Littelfuse

Varistors 17V 20mm Epoxy UltraMOV

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Datasheet

1,483Expected 15/2/2027

$1.14

$0.823

$0.743

$0.653

View

Min.: 1
Mult.: 1

Varistors 23V 20mm Phenolic UltraMOV

V20P23P
Littelfuse
1: $1.32
1,200Expected 26/1/2027

Mfr. Part No.
V20P23P

Mouser Part No
576-V20P23P

Littelfuse

Varistors 23V 20mm Phenolic UltraMOV

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Datasheet

1,200Expected 26/1/2027

$1.32

$0.952

$0.86

$0.758

View

Min.: 1
Mult.: 1

Varistors RADIAL VARISTOR 20MM ROHS / LEAD FREE

V275LA40CPX680
Littelfuse
1: $1.85
1,500Expected 31/8/2026

Mfr. Part No.
V275LA40CPX680

Mouser Part No
576-V275LA40CPX680

Littelfuse

Varistors RADIAL VARISTOR 20MM ROHS / LEAD FREE

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Datasheet

1,500Expected 31/8/2026

$1.85

$1.35

$1.22

$1.09

$1.04

Min.: 1
Mult.: 1

Varistors VARISTOR RA SERIES LEAD FREE

V82RA16X2749
Littelfuse
1: $10.30
230Expected 1/2/2027

Mfr. Part No.
V82RA16X2749

Mouser Part No
576-V82RA16X2749

Littelfuse

Varistors VARISTOR RA SERIES LEAD FREE

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Datasheet

230Expected 1/2/2027

$10.30

$8.51

$8.12

$7.04

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 1K OHM 5% 1206 SMT

LR102D0J
Littelfuse
1: $2.37
250Expected 27/1/2027

Mfr. Part No.
LR102D0J

Mouser Part No
576-LR102D0J

Littelfuse

NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 1K OHM 5% 1206 SMT

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Datasheet

250Expected 27/1/2027

$2.37

$1.77

$1.41

$1.37

View

Min.: 1
Mult.: 1

Varistors 320V

V320LC40CP
Littelfuse
350: $1.07
2,100Stock Available

Mfr. Part No.
V320LC40CP

Mouser Part No
576-V320LC40CP

Littelfuse

Varistors 320V

Learn More

Datasheet

2,100Stock Available

More Info Available

$1.07

$0.862

$0.836

Min.: 350
Mult.: 350

Industrial & Electrical Fuses 50A 600VAC 300VDC Class T

JLLS050.T
Littelfuse
1: $69.36
Non-Stocked Lead-Time 7 Weeks

Mfr. Part No.
JLLS050.T

Mouser Part No
576-JLLS050.T

Littelfuse

Industrial & Electrical Fuses 50A 600VAC 300VDC Class T

Learn More

Datasheet

Non-Stocked Lead-Time 7 Weeks

$69.36

$57.54

$53.07

$43.94

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 40A 600VAC 300VDC Class T

JLLS040.T
Littelfuse
1: $74.26
Non-Stocked Lead-Time 15 Weeks

Mfr. Part No.
JLLS040.T

Mouser Part No
576-JLLS040.T

Littelfuse

Industrial & Electrical Fuses 40A 600VAC 300VDC Class T

Learn More

Datasheet

Non-Stocked Lead-Time 15 Weeks

$74.26

$61.61

$56.82

$47.04

View

Min.: 1
Mult.: 1

Varistors 17V 10mm Epoxy UltraMOV

V10E17P
Littelfuse
1: $1.46
Non-Stocked Lead-Time 18 Weeks

Mfr. Part No.
V10E17P

Mouser Part No
576-V10E17P

Littelfuse

Varistors 17V 10mm Epoxy UltraMOV

Learn More

Datasheet

Non-Stocked Lead-Time 18 Weeks

$1.46

$0.885

$0.768

$0.627

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 10A 600VAC 300VDC Class T

JLLS010.T
Littelfuse
1: $47.70
Non-Stocked Lead-Time 11 Weeks

Mfr. Part No.
JLLS010.T

Mouser Part No
576-JLLS010.T

Littelfuse

Industrial & Electrical Fuses 10A 600VAC 300VDC Class T

Learn More

Datasheet

Non-Stocked Lead-Time 11 Weeks

$47.70

$39.58

$36.50

$30.23

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 15A 600VAC 300VDC Class T

JLLS015.T
Littelfuse
1: $47.71
Non-Stocked Lead-Time 11 Weeks

Mfr. Part No.
JLLS015.T

Mouser Part No
576-JLLS015.T

Littelfuse

Industrial & Electrical Fuses 15A 600VAC 300VDC Class T

Learn More

Datasheet

Non-Stocked Lead-Time 11 Weeks

$47.71

$39.58

$36.50

$30.23

View

Min.: 1
Mult.: 1

Communications Infrastructure Solutions

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Communications Infrastructure Solutions

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