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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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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (CAD) Filter the results in the table by unit price based on your quantity.	Qty.
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 1000V 3kA 8/20us UL 1449 CG41.0SM Littelfuse 1: $2.61 7,600In Stock	Mfr. Part # CG41.0SM Mouser Part # 576-CG41.0SM	Littelfuse	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 1000V 3kA 8/20us UL 1449 Learn More about Littelfuse cg4 gdts	Datasheet	7,600In Stock	Cut Tape $2.61 $2.19 $1.73 $1.47 Reel $1.25 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Varistors RADIAL VARISTOR 7MM ROHS/LEAD FREE V07E25PL2T Littelfuse 1: $0.418 9,292In Stock	Mfr. Part # V07E25PL2T Mouser Part # 576-V07E25PL2T	Littelfuse	Varistors RADIAL VARISTOR 7MM ROHS/LEAD FREE Learn More about Littelfuse ultramov 7mm varistors	Datasheet	9,292In Stock	Cut Tape $0.418 $0.285 $0.259 Reel $0.259	Min.: 1 Mult.: 1 : 1,000
Varistors 820V 2500pF V550LA80CP Littelfuse 1: $2.39 8,574In Stock	Mfr. Part # V550LA80CP Mouser Part # 576-V550LA80CP	Littelfuse	Varistors 820V 2500pF Learn More about Littelfuse c iii varistors	Datasheet	8,574In Stock	$2.39 $1.14	Min.: 1 Mult.: 1
Resettable Fuses - PPTC 1.5A 15V 40A Imax SMD150F-2 Littelfuse 1: $0.922 12,627In Stock	Mfr. Part # SMD150F-2 Mouser Part # 650-SMD150F-2	Littelfuse	Resettable Fuses - PPTC 1.5A 15V 40A Imax Learn More about Littelfuse polyswitch smd ptcs	Datasheet	12,627In Stock	Cut Tape $0.922 $0.756 $0.701 $0.549 Reel $0.42 View $0.505 $0.471 $0.413 $0.393 MouseReel Available	Min.: 1 Mult.: 1 : 1,500
Industrial & Electrical Fuses 200A 600VAC 300VDC Class T JLLS200.X Littelfuse 1: $144.48 15In Stock	Mfr. Part # JLLS200.X Mouser Part # 576-JLLS200.X	Littelfuse	Industrial & Electrical Fuses 200A 600VAC 300VDC Class T Learn More about Littelfuse hvacr solutions	Datasheet	15In Stock	$144.48 $119.81 $110.51 $91.41 $84.44	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 170 VDC TELECOM FUSE 0TLS040.TXV Littelfuse 1: $61.52 10In Stock	Mfr. Part # 0TLS040.TXV Mouser Part # 576-0TLS040.TXV	Littelfuse	Industrial & Electrical Fuses 170 VDC TELECOM FUSE Learn More about Littelfuse tls telecommunications fuses	Datasheet	10In Stock	$61.52 $51.03 $47.07 $39.00 View $35.93 $32.88 $30.53	Min.: 1 Mult.: 1
Varistors 14V 14mm Epoxy UltraMOV V14E14P Littelfuse 1: $0.965 1,983In Stock 2,100Expected 2026-11-25	Mfr. Part # V14E14P Mouser Part # 576-V14E14P	Littelfuse	Varistors 14V 14mm Epoxy UltraMOV Learn More about Littelfuse ultramov 14mm varistors	Datasheet	1,983In Stock 2,100Expected 2026-11-25	$0.965 $0.685 $0.616 $0.54 View $0.504 $0.494	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 125A 170VDC 0TLS125.T Littelfuse 1: $73.81 10In Stock	Mfr. Part # 0TLS125.T Mouser Part # 576-0TLS125.T	Littelfuse	Industrial & Electrical Fuses 125A 170VDC	Datasheet	10In Stock	$73.81 $61.24 $56.49 $46.79 View $43.11 $39.44 Quote	Min.: 1 Mult.: 1
NTC Thermistors THERMISTOR, US SENSO KR104R0J Littelfuse 1: $1.67 3,493In Stock	Mfr. Part # KR104R0J Mouser Part # 576-KR104R0J	Littelfuse	NTC Thermistors THERMISTOR, US SENSO Learn More about Littelfuse surface mount thermistors	Datasheet	3,493In Stock	$1.67 $1.25 $0.998 $0.939 View $0.916 $0.77 $0.724 $0.664	Min.: 1 Mult.: 1
Varistors 11V 5mm Epoxy UltraMOV V05E11P Littelfuse 1: $0.562 2,883In Stock	Mfr. Part # V05E11P Mouser Part # 576-V05E11P	Littelfuse	Varistors 11V 5mm Epoxy UltraMOV Learn More about Littelfuse LV	Datasheet	2,883In Stock	$0.562 $0.341 $0.294 $0.272 View $0.258 $0.242 $0.23 $0.22	Min.: 1 Mult.: 1
Varistors 25V 14mm Phenolic UltraMOV V14P25P Littelfuse 1: $1.97 752In Stock	Mfr. Part # V14P25P Mouser Part # 576-V14P25P	Littelfuse	Varistors 25V 14mm Phenolic UltraMOV Learn More about Littelfuse ultramov 14mm varistors	Datasheet	752In Stock	$1.97 $1.21 $1.08 $0.884 View $0.827 $0.73 $0.615 $0.586 $0.564	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 15A 170VDC 0TLS015.T Littelfuse 1: $47.22 22In Stock	Mfr. Part # 0TLS015.T Mouser Part # 576-0TLS015.T	Littelfuse	Industrial & Electrical Fuses 15A 170VDC Learn More about Littelfuse tls telecommunications fuses	Datasheet	22In Stock	$47.22 $39.18 $36.14 $29.95 View $27.60 $24.75 $22.78	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 170 VDC TELECOM FUSE 0TLS020.TXV Littelfuse 1: $61.52 60In Stock	Mfr. Part # 0TLS020.TXV Mouser Part # 576-0TLS020.TXV	Littelfuse	Industrial & Electrical Fuses 170 VDC TELECOM FUSE Learn More about Littelfuse tls telecommunications fuses	Datasheet	60In Stock	$61.52 $51.03 $47.07 $39.00 View $35.93 $32.88 $30.53	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 60A 170VDC 0TLS060.T Littelfuse 1: $47.22 15In Stock	Mfr. Part # 0TLS060.T Mouser Part # 576-0TLS060.T	Littelfuse	Industrial & Electrical Fuses 60A 170VDC Learn More about Littelfuse tls telecommunications fuses	Datasheet	15In Stock	$47.22 $39.18 $36.14 $29.95 View $27.60 $24.75 $22.78	Min.: 1 Mult.: 1
Varistors 11V 5mm Phenolic UltraMOV V05P11P Littelfuse 1: $1.12 3,738In Stock	Mfr. Part # V05P11P Mouser Part # 576-V05P11P	Littelfuse	Varistors 11V 5mm Phenolic UltraMOV Learn More about Littelfuse LV	Datasheet	3,738In Stock	$1.12 $0.67 $0.464 $0.431 View $0.364 $0.285 $0.259 $0.252 $0.243	Min.: 1 Mult.: 1
Varistors 23V 5mm Phenolic UltraMOV V05P23P Littelfuse 1: $1.12 4,120In Stock	Mfr. Part # V05P23P Mouser Part # 576-V05P23P	Littelfuse	Varistors 23V 5mm Phenolic UltraMOV Learn More about Littelfuse LV	Datasheet	4,120In Stock	$1.12 $0.67 $0.464 $0.431 View $0.364 $0.341 $0.239 $0.235	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 170 VDC TELECOM FUSE 0TLS060.TXV Littelfuse 1: $61.52 3In Stock	Mfr. Part # 0TLS060.TXV Mouser Part # 576-0TLS060.TXV	Littelfuse	Industrial & Electrical Fuses 170 VDC TELECOM FUSE Learn More about Littelfuse tls telecommunications fuses	Datasheet	3In Stock	$61.52 $51.03 $47.07 $39.00 View $35.93 $32.88 $30.53	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 300A 600VAC 300VDC Class T JLLS300.X Littelfuse 1: $336.74 5In Stock	Mfr. Part # JLLS300.X Mouser Part # 576-JLLS300.X	Littelfuse	Industrial & Electrical Fuses 300A 600VAC 300VDC Class T Learn More about Littelfuse hvacr solutions	Datasheet	5In Stock	$336.74 $279.16 $257.37 $212.67	Min.: 1 Mult.: 1
Varistors 140V 7mm Epoxy UltraMOV V07E140P Littelfuse 1: $1.08 3,257In Stock	Mfr. Part # V07E140P Mouser Part # 576-V07E140P	Littelfuse	Varistors 140V 7mm Epoxy UltraMOV Learn More about Littelfuse ultramov 7mm varistors	Datasheet	3,257In Stock	$1.08 $0.645 $0.446 $0.415 View $0.351 $0.287 $0.242	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 6A 600VAC 300VDC Class T JLLS006.T Littelfuse 1: $51.60 1In Stock	Mfr. Part # JLLS006.T Mouser Part # 576-JLLS006.T	Littelfuse	Industrial & Electrical Fuses 6A 600VAC 300VDC Class T Learn More about Littelfuse hvacr solutions	Datasheet	1In Stock	$51.60 $42.81 $39.50 $32.72 View $30.15 $27.04 $24.90	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 30A 600VAC 300VDC CLASS T JLLS030.TXP Littelfuse 1: $51.11 6In Stock	Mfr. Part # JLLS030.TXP Mouser Part # 576-JLLS030.TXP	Littelfuse	Industrial & Electrical Fuses 30A 600VAC 300VDC CLASS T Learn More about Littelfuse hvacr solutions	Datasheet	6In Stock	$51.11 $42.41 $39.12 $32.41 View $29.88 $26.80 $24.65	Min.: 1 Mult.: 1
Varistors 130V V130LA10CP Littelfuse 1: $1.63 6In Stock	Mfr. Part # V130LA10CP Mouser Part # 576-V130LA10CP	Littelfuse	Varistors 130V Learn More about Littelfuse c iii varistors	Datasheet	6In Stock	$1.63 $0.975 $0.88 $0.776 View $0.727 $0.726	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 450A 600VAC 300VDC CLASS T JLLS450.XXP Littelfuse 1: $730.64 2In Stock	Mfr. Part # JLLS450.XXP Mouser Part # 576-JLLS450.XXP	Littelfuse	Industrial & Electrical Fuses 450A 600VAC 300VDC CLASS T Learn More about Littelfuse hvacr solutions	Datasheet	2In Stock	$730.64 $605.43 $557.96	Min.: 1 Mult.: 1
Varistors 14V 5mm Epoxy UltraMOV V05E14P Littelfuse 1: $1.02 4,327In Stock	Mfr. Part # V05E14P Mouser Part # 576-V05E14P	Littelfuse	Varistors 14V 5mm Epoxy UltraMOV Learn More about Littelfuse LV	Datasheet	4,327In Stock	$1.02 $0.605 $0.419 $0.389 View $0.33 $0.259 $0.228	Min.: 1 Mult.: 1
Varistors 95V 5mm Epoxy UltraMOV V05E95P Littelfuse 1: $0.994 4,400In Stock	Mfr. Part # V05E95P Mouser Part # 576-V05E95P	Littelfuse	Varistors 95V 5mm Epoxy UltraMOV Learn More about Littelfuse LV	Datasheet	4,400In Stock	$0.994 $0.593 $0.393 $0.364 View $0.308 $0.249 $0.219 $0.206	Min.: 1 Mult.: 1

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