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General Port Protection Solutions

Littelfuse General Port Protection provides a wide array of solutions for power and communication ports. Ports need protection from common electrical hazards such as lightning surges, induced power surges, power cross, electrical fast transient, electrostatic discharge, and short-circuits due to aging wires or installation errors. Littelfuse General Port Protection products are ideal for automotive, building automation, consumer electronics, and industrial applications.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (CHF) Filter the results in the table by unit price based on your quantity.	Qty.
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 3MM 90V 2POLE SMT GDT GTCS23-900M-R01-2 Littelfuse 1: CHF 0.789 46’996In Stock	Mfr. Part No. GTCS23-900M-R01-2 Mouser Part No 650-GTCS23-900MR01-2	Littelfuse	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 3MM 90V 2POLE SMT GDT Learn More about Littelfuse gas discharge tubes	Datasheet	46’996In Stock	Cut Tape CHF 0.789 CHF 0.724 CHF 0.601 CHF 0.555 Reel CHF 0.389 View CHF 0.498 CHF 0.46 CHF 0.457 CHF 0.388 MouseReel Available	Min.: 1 Mult.: 1 : 2’000
ESD Protection Diodes / TVS Diodes 1.3pF 7A UNIDIRECTIONAL SP4024-01FTG Littelfuse 1: CHF 0.507 386’080In Stock	Mfr. Part No. SP4024-01FTG Mouser Part No 576-SP4024-01FTG	Littelfuse	ESD Protection Diodes / TVS Diodes 1.3pF 7A UNIDIRECTIONAL Learn More about Littelfuse sp402x arrays	Datasheet	386’080In Stock	Cut Tape CHF 0.507 CHF 0.276 CHF 0.247 CHF 0.211 CHF 0.203 Reel CHF 0.154 MouseReel Available	Min.: 1 Mult.: 1 : 3’000
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 6MM 90V 3POLE RADIAL LEADS GDT GTCR36-900M-R10 Littelfuse 1: CHF 2.62 1’182In Stock	Mfr. Part No. GTCR36-900M-R10 Mouser Part No 650-GTCR36-900M-R10	Littelfuse	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 6MM 90V 3POLE RADIAL LEADS GDT Learn More about Littelfuse gas discharge tubes	Datasheet	1’182In Stock	CHF 2.62 CHF 2.17 CHF 2.00 CHF 1.67 CHF 1.58	Min.: 1 Mult.: 1
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 8MM 4000V 2POLE AXIAL LEAD HV GDT GTCA28-402M-R03 Littelfuse 1: CHF 4.12 995In Stock	Mfr. Part No. GTCA28-402M-R03 Mouser Part No 650-GTCA28-402M-R03	Littelfuse	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 8MM 4000V 2POLE AXIAL LEAD HV GDT Learn More about Littelfuse GTCA28 gdts	Datasheet	995In Stock	CHF 4.12 CHF 3.73 CHF 3.44 CHF 2.85 View CHF 2.44 CHF 2.33 CHF 2.03 CHF 1.93	Min.: 1 Mult.: 1
Thyristor Surge Protection Devices - TSPD 100A 220V P2600SBLRP Littelfuse 1: CHF 1.53 5’000In Stock	Mfr. Part No. P2600SBLRP Mouser Part No 576-P2600SBLRP	Littelfuse	Thyristor Surge Protection Devices - TSPD 100A 220V Learn More about Littelfuse p 0s lrp thyristors	Datasheet	5’000In Stock	Cut Tape CHF 1.53 CHF 0.756 CHF 0.541 CHF 0.409 CHF 0.382 Reel CHF 0.381 MouseReel Available	Min.: 1 Mult.: 1 : 2’500
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 315-525V 2A GDT T/R 2 Term SG420 Littelfuse 1: CHF 0.877 2’525In Stock	Mfr. Part No. SG420 Mouser Part No 576-SG420	Littelfuse	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 315-525V 2A GDT T/R 2 Term Learn More about Littelfuse sg series sgdt	Datasheet	2’525In Stock	Cut Tape CHF 0.877 CHF 0.749 CHF 0.648 CHF 0.607 View Reel CHF 0.524 CHF 0.569 CHF 0.534 CHF 0.524 CHF 0.524 MouseReel Available	Min.: 1 Mult.: 1 : 2’000
ESD Protection Diodes / TVS Diodes 1.5kW 130V 5% Uni-Directional SMCJ130A Littelfuse 1: CHF 0.563 8’432In Stock	Mfr. Part No. SMCJ130A Mouser Part No 576-SMCJ130A	Littelfuse	ESD Protection Diodes / TVS Diodes 1.5kW 130V 5% Uni-Directional Learn More about Littelfuse smcj tvs 1500w diodes	Datasheet	8’432In Stock	Cut Tape CHF 0.563 CHF 0.293 CHF 0.25 CHF 0.197 Reel CHF 0.145 View CHF 0.193 CHF 0.138 MouseReel Available	Min.: 1 Mult.: 1 : 3’000
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 8MM 75V 2POLE SMT GDT GTCS28-750M-R05-2 Littelfuse 1: CHF 2.42 1’773In Stock	Mfr. Part No. GTCS28-750M-R05-2 Mouser Part No 650-GTCS28-750MR05-2	Littelfuse	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 8MM 75V 2POLE SMT GDT Learn More about Littelfuse gas discharge tubes	Datasheet	1’773In Stock	Cut Tape CHF 2.42 CHF 2.27 CHF 2.15 CHF 1.74 Reel CHF 1.15 View CHF 1.47 CHF 1.44 CHF 1.08 CHF 0.983 MouseReel Available	Min.: 1 Mult.: 1 : 500
Cartridge Fuses 250V 4A Slo-Blo 0313004.MXP Littelfuse 1: CHF 1.44 5’989In Stock	Mfr. Part No. 0313004.MXP Mouser Part No 576-0313004.MXP	Littelfuse	Cartridge Fuses 250V 4A Slo-Blo Learn More about Littelfuse 6x32 3ab3ag fuseholders	Datasheet	5’989In Stock	CHF 1.44 CHF 1.20 CHF 1.11 CHF 0.917 View CHF 0.768 CHF 0.756 CHF 0.647 CHF 0.646 CHF 0.617	Min.: 1 Mult.: 1
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP S.A. STANDARD 600V NOMINAL CG5600L Littelfuse 1: CHF 2.14 1’221In Stock	Mfr. Part No. CG5600L Mouser Part No 576-CG5600L	Littelfuse	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP S.A. STANDARD 600V NOMINAL	Datasheet	1’221In Stock	Cut Tape CHF 2.14 CHF 1.90 CHF 1.76 CHF 1.47 View Reel CHF 0.973 CHF 1.31 CHF 1.21 CHF 1.02 CHF 0.973	Min.: 1 Mult.: 1 : 1’000
ESD Protection Diodes / TVS Diodes 1.5kW 440V 5% Bi-Directional SMCJ440CA Littelfuse 1: CHF 1.12 10’563In Stock	Mfr. Part No. SMCJ440CA Mouser Part No 576-SMCJ440CA	Littelfuse	ESD Protection Diodes / TVS Diodes 1.5kW 440V 5% Bi-Directional Learn More about Littelfuse smcj tvs 1500w diodes	Datasheet	10’563In Stock	Cut Tape CHF 1.12 CHF 0.711 CHF 0.564 CHF 0.474 View Reel CHF 0.319 CHF 0.36 CHF 0.356 CHF 0.319 MouseReel Available	Min.: 1 Mult.: 1 : 3’000
Varistors 5.5 VDC .05J 21V-CL 185PF P V5.5MLA0402NR Littelfuse 1: CHF 0.241 49’331In Stock 30’000Expected 12/22/2026	Mfr. Part No. V5.5MLA0402NR Mouser Part No 576-V5.5MLA0402NR	Littelfuse	Varistors 5.5 VDC .05J 21V-CL 185PF P Learn More about Littelfuse Littelfuse Varistors	Datasheet	49’331In Stock 30’000Expected 12/22/2026	Cut Tape CHF 0.241 CHF 0.149 CHF 0.134 CHF 0.126 View Reel CHF 0.11 CHF 0.123 CHF 0.118 CHF 0.113 CHF 0.112 CHF 0.11 MouseReel Available	Min.: 1 Mult.: 1 : 10’000
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 8MM 3000V 2POLE AXIAL LEAD HV GDT GTCA28-302M-R03 Littelfuse 1: CHF 2.66 978In Stock	Mfr. Part No. GTCA28-302M-R03 Mouser Part No 650-GTCA28-302M-R03	Littelfuse	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 8MM 3000V 2POLE AXIAL LEAD HV GDT Learn More about Littelfuse GTCA28 gdts	Datasheet	978In Stock	CHF 2.66 CHF 2.14 CHF 2.04 CHF 1.76 View CHF 1.65 CHF 1.62	Min.: 1 Mult.: 1
Thyristor Surge Protection Devices - TSPD 500A 90V P1100SCLRP Littelfuse 1: CHF 1.49 20’065In Stock	Mfr. Part No. P1100SCLRP Mouser Part No 576-P1100SCLRP	Littelfuse	Thyristor Surge Protection Devices - TSPD 500A 90V Learn More about Littelfuse p 0s lrp thyristors	Datasheet	20’065In Stock	Cut Tape CHF 1.49 CHF 0.945 CHF 0.524 CHF 0.435 CHF 0.405 Reel CHF 0.405 MouseReel Available	Min.: 1 Mult.: 1 : 2’500
Varistors RADIAL VARISTOR 7MM ROHS/LEAD FREE V07E25PL2T Littelfuse 1: CHF 0.233 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 CHF 0.233 CHF 0.155 Reel CHF 0.155	Min.: 1 Mult.: 1 : 1’000
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP CG2 SMT TYPE CG75MSTR Littelfuse 1: CHF 2.84 1’380In Stock	Mfr. Part No. CG75MSTR Mouser Part No 576-CG75MSTR	Littelfuse	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP CG2 SMT TYPE	Datasheet	1’380In Stock	Cut Tape CHF 2.84 CHF 2.35 CHF 2.17 CHF 1.81 Reel CHF 1.37 View CHF 1.67 CHF 1.53 CHF 1.30 MouseReel Available	Min.: 1 Mult.: 1 : 500
Thyristor Surge Protection Devices - TSPD 22V 500A DO214 2L SIDACtor Bi P0220SCLRP Littelfuse 1: CHF 1.49 4’574In Stock	Mfr. Part No. P0220SCLRP Mouser Part No 576-P0220SCLRP	Littelfuse	Thyristor Surge Protection Devices - TSPD 22V 500A DO214 2L SIDACtor Bi Learn More about Littelfuse p 0s lrp thyristors	Datasheet	4’574In Stock	Cut Tape CHF 1.49 CHF 0.945 CHF 0.634 CHF 0.501 CHF 0.458 Reel CHF 0.405 MouseReel Available	Min.: 1 Mult.: 1 : 2’500
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 3MM 200V 2POLE CHIP TYPE SMT GTCC23-201M-R01-2 Littelfuse 1: CHF 0.91 2’341In Stock	Mfr. Part No. GTCC23-201M-R01-2 Mouser Part No 650-GTCC23-201MR01-2	Littelfuse	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 3MM 200V 2POLE CHIP TYPE SMT Learn More about Littelfuse gas discharge tubes	Datasheet	2’341In Stock	Cut Tape CHF 0.91 CHF 0.837 CHF 0.692 CHF 0.638 View Reel CHF 0.453 CHF 0.533 CHF 0.453 CHF 0.453 MouseReel Available	Min.: 1 Mult.: 1 : 2’000
Cartridge Fuses 250V 6.3A Slo-Blo 031306.3MXP Littelfuse 1: CHF 1.44 3’530In Stock	Mfr. Part No. 031306.3MXP Mouser Part No 576-031306.3MXP	Littelfuse	Cartridge Fuses 250V 6.3A Slo-Blo Learn More about Littelfuse 6x32 3ab3ag fuseholders	Datasheet	3’530In Stock	CHF 1.44 CHF 1.20 CHF 1.11 CHF 0.917 View CHF 0.854 CHF 0.761 CHF 0.701 CHF 0.617	Min.: 1 Mult.: 1
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors STANDARD 90V NOM CG590L Littelfuse 1: CHF 2.81 2’349In Stock	Mfr. Part No. CG590L Mouser Part No 576-CG590L	Littelfuse	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors STANDARD 90V NOM	Datasheet	2’349In Stock	Cut Tape CHF 2.81 CHF 2.33 CHF 2.15 CHF 1.79 View Reel CHF 1.14 CHF 1.65 CHF 1.48 CHF 1.37 CHF 1.14	Min.: 1 Mult.: 1 : 1’000
Thyristor Surge Protection Devices - TSPD 50A 170V P1800SALRP Littelfuse 1: CHF 1.27 4’000In Stock	Mfr. Part No. P1800SALRP Mouser Part No 576-P1800SALRP	Littelfuse	Thyristor Surge Protection Devices - TSPD 50A 170V Learn More about Littelfuse p 0s lrp thyristors	Datasheet	4’000In Stock	Cut Tape CHF 1.27 CHF 0.798 CHF 0.403 CHF 0.35 Reel CHF 0.35 MouseReel Available	Min.: 1 Mult.: 1 : 2’500
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 8MM 2100V 2POLE AXIAL LEAD HV GDT GTCA28-212M-R03 Littelfuse 1: CHF 3.47 1’456In Stock	Mfr. Part No. GTCA28-212M-R03 Mouser Part No 650-GTCA28-212M-R03	Littelfuse	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 8MM 2100V 2POLE AXIAL LEAD HV GDT Learn More about Littelfuse GTCA28 gdts	Datasheet	1’456In Stock	CHF 3.47 CHF 2.88 CHF 2.66 CHF 2.21 View CHF 2.04 CHF 1.83 CHF 1.68 CHF 1.62	Min.: 1 Mult.: 1
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 8MM 90V 3POLE AXIAL LEADS GDT GTCA38-900M-R10 Littelfuse 1: CHF 2.47 1’011In Stock	Mfr. Part No. GTCA38-900M-R10 Mouser Part No 650-GTCA38-900M-R10	Littelfuse	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 8MM 90V 3POLE AXIAL LEADS GDT Learn More about Littelfuse gas discharge tubes	Datasheet	1’011In Stock	CHF 2.47 CHF 2.05 CHF 1.90 CHF 1.58 View CHF 1.45 CHF 1.30 CHF 1.20 CHF 1.11	Min.: 1 Mult.: 1
Cartridge Fuses 250V .15A Slo-Blo 3AG 0313.150MXP Littelfuse 1: CHF 2.68 1’059In Stock	Mfr. Part No. 0313.150MXP Mouser Part No 576-0313.150MXP	Littelfuse	Cartridge Fuses 250V .15A Slo-Blo 3AG Learn More about Littelfuse 6x32 3ab3ag fuseholders	Datasheet	1’059In Stock	CHF 2.68 CHF 2.23 CHF 2.05 CHF 1.70 View CHF 1.58 CHF 1.41 CHF 1.30 CHF 1.22	Min.: 1 Mult.: 1
Cartridge Fuses 250V .4A Slo-Blo 3AG 0313.400MXP Littelfuse 1: CHF 1.63 1’675In Stock	Mfr. Part No. 0313.400MXP Mouser Part No 576-0313.400MXP	Littelfuse	Cartridge Fuses 250V .4A Slo-Blo 3AG Learn More about Littelfuse 6x32 3ab3ag fuseholders	Datasheet	1’675In Stock	CHF 1.63 CHF 1.35 CHF 1.24 CHF 1.04 View CHF 0.955 CHF 0.861 CHF 0.79 CHF 0.705	Min.: 1 Mult.: 1