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.

All Results (1,014)

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 Mfr.
Description Datasheet Availability Pricing (CAD) Filter the results in the table by unit price based on your quantity.
Qty. RoHS
Littelfuse ESD Protection Diodes / TVS Diodes 3kW 30V 5% Bi-Directional
Datasheet
8,828On Order
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

Littelfuse Varistors 230V 7mm Epoxy UltraMOV
Datasheet
5In Stock
Min.: 1
Mult.: 1

Littelfuse Varistors 320V
Datasheet
2,887Expected 2026-04-10
Min.: 1
Mult.: 1

Littelfuse Resettable Fuses - PPTC 125 mOhms 40 A 24 VDC - 40 C+ 85 C
Datasheet
5,985On Order
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2,000

Littelfuse NTC Thermistors C THERMISTOR 10K OHM 5% 0603 SMT
Datasheet
3,989Expected 2026-04-27
Min.: 1
Mult.: 1

Littelfuse ESD Protection Diodes / TVS Diodes 1.5kW 40V 5% Uni-Directional
Datasheet
8,188On Order
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

Littelfuse Varistors 23V 5mm Phenolic UltraMOV
Datasheet
4,180Expected 2026-04-06
Min.: 1
Mult.: 1

Littelfuse Varistors 11V 7mm Epoxy UltraMOV
Datasheet
4,500Expected 2026-04-10
Min.: 1
Mult.: 1

Littelfuse Varistors 130V
Datasheet
1,495Expected 2026-05-21
Min.: 1
Mult.: 1

Littelfuse Varistors 140V
Datasheet
1,500Expected 2026-05-26
Min.: 1
Mult.: 1

Littelfuse Varistors 60V 14mm Phenolic UltraMOV
Datasheet
1,800Expected 2026-05-25
Min.: 1
Mult.: 1

Littelfuse Varistors RA Series
Datasheet
185Expected 2026-06-04
Min.: 1
Mult.: 1

Littelfuse Varistors 11V 20mm Epoxy UltraMOV
Datasheet
1,500Expected 2026-04-13
Min.: 1
Mult.: 1

Littelfuse Varistors 35V 20mm Epoxy UltraMOV
Datasheet
1,500Expected 2026-04-20
Min.: 1
Mult.: 1

Littelfuse Varistors 35V 20mm Phenolic UltraMOV
Datasheet
1,200Expected 2026-06-18
Min.: 1
Mult.: 1

Littelfuse Industrial & Electrical Fuses 800A 600VAC 300VDC CLASS T
Datasheet
1Stock Available
More Info Available
Min.: 1
Mult.: 1

Littelfuse Varistors 20MM Radial
Datasheet
500Stock Available
More Info Available
Min.: 500
Mult.: 500
Reel: 500

Littelfuse Industrial & Electrical Fuses 40A 600VAC 300VDC Class T
Datasheet
Non-Stocked Lead-Time 7 Weeks
Min.: 1
Mult.: 1

Littelfuse Varistors 20MM Radial
Datasheet
Non-Stocked Lead-Time 15 Weeks
Min.: 1
Mult.: 1

Littelfuse Varistors 320V
Datasheet
Non-Stocked Lead-Time 15 Weeks
Min.: 2,100
Mult.: 350

Littelfuse Varistors 320V
Datasheet
Non-Stocked Lead-Time 13 Weeks
Min.: 3,200
Mult.: 400
Reel: 400

Littelfuse Varistors 10V 250A 1600pF
Datasheet
Non-Stocked Lead-Time 16 Weeks
Min.: 1,000
Mult.: 1,000
No
Littelfuse ESD Protection Diodes / TVS Diodes ESD 76V BI
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 56
Mult.: 56

Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 2700V 3kA 8/20us UL 1449
Datasheet
Non-Stocked Lead-Time 12 Weeks
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1,000

Littelfuse Industrial & Electrical Fuses 10A 600VAC 300VDC Class T
Datasheet
Non-Stocked Lead-Time 11 Weeks
Min.: 1
Mult.: 1