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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 (USD) 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: $1.87 7,600In Stock	Mfr. Part No. CG41.0SM Mouser Part No 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 $1.87 $1.66 $1.36 $1.20 Reel $0.877 View $1.12 $0.992 $0.844 $0.808 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Varistors RADIAL VARISTOR 7MM ROHS/LEAD FREE V07E25PL2T Littelfuse 1: $0.29 9,292In Stock	Mfr. Part No. V07E25PL2T Mouser Part No 576-V07E25PL2T	Littelfuse	Varistors RADIAL VARISTOR 7MM ROHS/LEAD FREE Learn More about Littelfuse ultramov 7mm varistors	Datasheet	9,292In Stock	Cut Tape $0.29 $0.20 Reel $0.182 $0.18	Min.: 1 Mult.: 1 : 1,000
Varistors 820V 2500pF V550LA80CP Littelfuse 1: $1.90 8,574In Stock	Mfr. Part No. V550LA80CP Mouser Part No 576-V550LA80CP	Littelfuse	Varistors 820V 2500pF Learn More about Littelfuse c iii varistors	Datasheet	8,574In Stock	$1.90 $1.40 $1.09 $0.962 View $0.92 $0.845	Min.: 1 Mult.: 1
Varistors RADIAL VARISTOR LEAD FREE V625LA80CP Littelfuse 1: $2.78 1,196In Stock	Mfr. Part No. V625LA80CP Mouser Part No 576-V625LA80CP	Littelfuse	Varistors RADIAL VARISTOR LEAD FREE Learn More about Littelfuse c iii varistors	Datasheet	1,196In Stock	$2.78 $2.09 $1.92 $1.72	Min.: 1 Mult.: 1
Resettable Fuses - PPTC 1.5A 15V 40A Imax SMD150F-2 Littelfuse 1: $0.57 12,627In Stock	Mfr. Part No. SMD150F-2 Mouser Part No 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 $0.57 $0.482 $0.435 $0.381 Reel $0.292 View $0.358 $0.336 $0.287 $0.273 MouseReel Available	Min.: 1 Mult.: 1 : 1,500
Industrial & Electrical Fuses 200A 600VAC 300VDC Class T JLLS200.X Littelfuse 1: $84.90 15In Stock	Mfr. Part No. JLLS200.X Mouser Part No 576-JLLS200.X	Littelfuse	Industrial & Electrical Fuses 200A 600VAC 300VDC Class T Learn More about Littelfuse hvacr solutions	Datasheet	15In Stock	$84.90 $68.04 $63.82 $63.39 $58.37	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 170 VDC TELECOM FUSE 0TLS060.TXV Littelfuse 1: $42.72 3In Stock	Mfr. Part No. 0TLS060.TXV Mouser Part No 576-0TLS060.TXV	Littelfuse	Industrial & Electrical Fuses 170 VDC TELECOM FUSE Learn More about Littelfuse tls telecommunications fuses	Datasheet	3In Stock	$42.72 $35.44 $32.69 $27.08 View $24.95 $22.83 $21.20	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 300A 600VAC 300VDC Class T JLLS300.X Littelfuse 1: $233.85 5In Stock	Mfr. Part No. JLLS300.X Mouser Part No 576-JLLS300.X	Littelfuse	Industrial & Electrical Fuses 300A 600VAC 300VDC Class T Learn More about Littelfuse hvacr solutions	Datasheet	5In Stock	$233.85 $193.86 $178.73 $147.69	Min.: 1 Mult.: 1
NTC (Negative Temperature Coefficient) Thermistors C THERMISTOR 10K OHM 5% 0603 SMT RB103J0J Littelfuse 1: $0.46 2,845In Stock	Mfr. Part No. RB103J0J Mouser Part No 576-RB103J0J	Littelfuse	NTC (Negative Temperature Coefficient) Thermistors C THERMISTOR 10K OHM 5% 0603 SMT Learn More about Littelfuse surface mount thermistors	Datasheet	2,845In Stock	$0.46 $0.427 $0.396 $0.377 View $0.371 $0.337 $0.32 $0.289 $0.268	Min.: 1 Mult.: 1
Varistors 140V 7mm Epoxy UltraMOV V07E140P Littelfuse 1: $0.75 3,257In Stock	Mfr. Part No. V07E140P Mouser Part No 576-V07E140P	Littelfuse	Varistors 140V 7mm Epoxy UltraMOV Learn More about Littelfuse ultramov 7mm varistors	Datasheet	3,257In Stock	$0.75 $0.448 $0.31 $0.288 View $0.244 $0.199 $0.168	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 450A 600VAC 300VDC CLASS T JLLS450.XXP Littelfuse 1: $507.39 2In Stock	Mfr. Part No. JLLS450.XXP Mouser Part No 576-JLLS450.XXP	Littelfuse	Industrial & Electrical Fuses 450A 600VAC 300VDC CLASS T Learn More about Littelfuse hvacr solutions	Datasheet	2In Stock	$507.39 $420.44 $387.47	Min.: 1 Mult.: 1
Varistors 14V 5mm Epoxy UltraMOV V05E14P Littelfuse 1: $0.71 4,327In Stock	Mfr. Part No. V05E14P Mouser Part No 576-V05E14P	Littelfuse	Varistors 14V 5mm Epoxy UltraMOV Learn More about Littelfuse LV	Datasheet	4,327In Stock	$0.71 $0.42 $0.291 $0.27 View $0.229 $0.18 $0.158	Min.: 1 Mult.: 1
Varistors 95V 5mm Epoxy UltraMOV V05E95P Littelfuse 1: $0.66 4,396In Stock	Mfr. Part No. V05E95P Mouser Part No 576-V05E95P	Littelfuse	Varistors 95V 5mm Epoxy UltraMOV Learn More about Littelfuse LV	Datasheet	4,396In Stock	$0.66 $0.394 $0.273 $0.253 View $0.214 $0.173 $0.144	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 170 VDC TELECOM FUSE 0TLS040.TXV Littelfuse 1: $42.72 10In Stock	Mfr. Part No. 0TLS040.TXV Mouser Part No 576-0TLS040.TXV	Littelfuse	Industrial & Electrical Fuses 170 VDC TELECOM FUSE Learn More about Littelfuse tls telecommunications fuses	Datasheet	10In Stock	$42.72 $35.44 $32.69 $27.08 View $24.95 $22.83 $21.20	Min.: 1 Mult.: 1
Varistors 14V 14mm Epoxy UltraMOV V14E14P Littelfuse 1: $0.81 1,983In Stock 2,100Expected 25/11/2026	Mfr. Part No. V14E14P Mouser Part No 576-V14E14P	Littelfuse	Varistors 14V 14mm Epoxy UltraMOV Learn More about Littelfuse ultramov 14mm varistors	Datasheet	1,983In Stock 2,100Expected 25/11/2026	$0.81 $0.514 $0.45 $0.42 View $0.393 $0.386 $0.378 $0.369 $0.357	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 15A 170VDC Littelfuse 0TLS015.T 0TLS015.T Littelfuse 1: $32.79 22In Stock	Mfr. Part No. 0TLS015.T Mouser Part No 576-0TLS015.T	Littelfuse	Industrial & Electrical Fuses 15A 170VDC Learn More about Littelfuse tls telecommunications fuses	Datasheet	22In Stock	$32.79 $27.21 $25.10 $20.80 View $19.17 $17.19 $15.82	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 170 VDC TELECOM FUSE 0TLS020.TXV Littelfuse 1: $42.72 60In Stock	Mfr. Part No. 0TLS020.TXV Mouser Part No 576-0TLS020.TXV	Littelfuse	Industrial & Electrical Fuses 170 VDC TELECOM FUSE Learn More about Littelfuse tls telecommunications fuses	Datasheet	60In Stock	$42.72 $35.44 $32.69 $27.08 View $24.95 $22.83 $21.20	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 60A 170VDC Littelfuse 0TLS060.T 0TLS060.T Littelfuse 1: $32.79 15In Stock	Mfr. Part No. 0TLS060.T Mouser Part No 576-0TLS060.T	Littelfuse	Industrial & Electrical Fuses 60A 170VDC Learn More about Littelfuse tls telecommunications fuses	Datasheet	15In Stock	$32.79 $27.21 $25.10 $20.80 View $19.17 $17.19 $15.82	Min.: 1 Mult.: 1
Varistors 11V 5mm Phenolic UltraMOV V05P11P Littelfuse 1: $0.78 3,738In Stock	Mfr. Part No. V05P11P Mouser Part No 576-V05P11P	Littelfuse	Varistors 11V 5mm Phenolic UltraMOV Learn More about Littelfuse LV	Datasheet	3,738In Stock	$0.78 $0.465 $0.322 $0.299 View $0.253 $0.198 $0.18 $0.175 $0.169	Min.: 1 Mult.: 1
Varistors 23V 5mm Phenolic UltraMOV V05P23P Littelfuse 1: $0.78 4,120In Stock	Mfr. Part No. V05P23P Mouser Part No 576-V05P23P	Littelfuse	Varistors 23V 5mm Phenolic UltraMOV Learn More about Littelfuse LV	Datasheet	4,120In Stock	$0.78 $0.465 $0.322 $0.299 View $0.253 $0.237 $0.171 $0.163	Min.: 1 Mult.: 1
Varistors 150V V150LA10CP Littelfuse 1: $1.13 2,234In Stock	Mfr. Part No. V150LA10CP Mouser Part No 576-V150LA10CP	Littelfuse	Varistors 150V Learn More about Littelfuse c iii varistors	Datasheet	2,234In Stock	$1.13 $0.733 $0.505 $0.485 View $0.47 $0.469 $0.446 $0.44	Min.: 1 Mult.: 1
Varistors RADIAL VARISTOR 20MM ROHS / LEAD FREE V420LA40CP Littelfuse 1: $1.08 2,427In Stock	Mfr. Part No. V420LA40CP Mouser Part No 576-V420LA40CP	Littelfuse	Varistors RADIAL VARISTOR 20MM ROHS / LEAD FREE Learn More about Littelfuse c iii varistors	Datasheet	2,427In Stock	$1.08 $0.706 $0.624 $0.569 View $0.547 $0.519 $0.514	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 125A 170VDC 0TLS125.T Littelfuse 1: $51.26 10In Stock	Mfr. Part No. 0TLS125.T Mouser Part No 576-0TLS125.T	Littelfuse	Industrial & Electrical Fuses 125A 170VDC	Datasheet	10In Stock	$51.26 $42.53 $39.23 $32.49 View $29.94 $27.39 Quote	Min.: 1 Mult.: 1
NTC (Negative Temperature Coefficient) Thermistors THERMISTOR, US SENSO KR104R0J Littelfuse 1: $1.16 3,493In Stock	Mfr. Part No. KR104R0J Mouser Part No 576-KR104R0J	Littelfuse	NTC (Negative Temperature Coefficient) Thermistors THERMISTOR, US SENSO Learn More about Littelfuse surface mount thermistors	Datasheet	3,493In Stock	$1.16 $0.867 $0.693 $0.652 View $0.636 $0.535 $0.503 $0.461	Min.: 1 Mult.: 1
Varistors 11V 5mm Epoxy UltraMOV V05E11P Littelfuse 1: $0.39 2,883In Stock	Mfr. Part No. V05E11P Mouser Part No 576-V05E11P	Littelfuse	Varistors 11V 5mm Epoxy UltraMOV Learn More about Littelfuse LV	Datasheet	2,883In Stock	$0.39 $0.237 $0.204 $0.189 View $0.179 $0.168 $0.16 $0.156	Min.: 1 Mult.: 1