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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 (CLP) 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: $1.116 46.996In Stock	Mfr. Part # GTCS23-900M-R01-2 Mouser Part # 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 $1.116 $1.025 $851 $785 Reel $551 View $705 $651 $647 $527 MouseReel Available	Min.: 1 Mult.: 1 : 2.000
ESD Protection Diodes / TVS Diodes 1.3pF 7A UNIDIRECTIONAL SP4024-01FTG Littelfuse 1: $797 385.070In Stock	Mfr. Part # SP4024-01FTG Mouser Part # 576-SP4024-01FTG	Littelfuse	ESD Protection Diodes / TVS Diodes 1.3pF 7A UNIDIRECTIONAL Learn More about Littelfuse sp402x arrays	Datasheet	385.070In Stock	Cut Tape $797 $443 $368 $298 Reel $191 View $287 $167 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: $3.703 1.192In Stock	Mfr. Part # GTCR36-900M-R10 Mouser Part # 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	1.192In Stock	$3.703 $3.076 $2.837 $2.358 View $1.982 $1.857 $1.754 $1.641 $1.606	Min.: 1 Mult.: 1
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 8MM 4000V 2POLE AXIAL LEAD HV GDT GTCA28-402M-R03 Littelfuse 1: $5.833 995In Stock	Mfr. Part # GTCA28-402M-R03 Mouser Part # 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	$5.833 $5.275 $4.865 $4.033 View $3.463 $3.293 $2.871 $2.734	Min.: 1 Mult.: 1
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP CG2 SMT TYPE CG75MSTR Littelfuse 1: $4.010 1.380In Stock	Mfr. Part # CG75MSTR Mouser Part # 576-CG75MSTR	Littelfuse	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP CG2 SMT TYPE	Datasheet	1.380In Stock	Cut Tape $4.010 $3.327 $3.076 $2.552 Reel $1.937 View $2.358 $2.165 $1.754 MouseReel Available	Min.: 1 Mult.: 1 : 500
Thyristor Surge Protection Devices - TSPD 22V 500A DO214 2L SIDACtor Bi P0220SCLRP Littelfuse 1: $2.108 4.574In Stock	Mfr. Part # P0220SCLRP Mouser Part # 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 $2.108 $1.344 $897 $709 $648 Reel $574 MouseReel Available	Min.: 1 Mult.: 1 : 2.500
Varistors 23V 20mm Epoxy UltraMOV V20E23P Littelfuse 1: $1.151 12.240In Stock	Mfr. Part # V20E23P Mouser Part # 576-V20E23P	Littelfuse	Varistors 23V 20mm Epoxy UltraMOV Learn More about Littelfuse ultramov 20mm varistors	Datasheet	12.240In Stock	$1.151 $746 $656 $614 View $587 $548 $508	Min.: 1 Mult.: 1
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 3MM 200V 2POLE CHIP TYPE SMT GTCC23-201M-R01-2 Littelfuse 1: $1.287 2.341In Stock	Mfr. Part # GTCC23-201M-R01-2 Mouser Part # 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 $1.287 $1.185 $979 $903 Reel $615 View $754 $636 $605 MouseReel Available	Min.: 1 Mult.: 1 : 2.000
Thyristor Surge Protection Devices - TSPD 500A 90V P1100SCLRP Littelfuse 1: $2.108 20.065In Stock	Mfr. Part # P1100SCLRP Mouser Part # 576-P1100SCLRP	Littelfuse	Thyristor Surge Protection Devices - TSPD 500A 90V Learn More about Littelfuse p 0s lrp thyristors	Datasheet	20.065In Stock	Cut Tape $2.108 $1.344 $742 $616 $574 Reel $574 MouseReel Available	Min.: 1 Mult.: 1 : 2.500
ESD Protection Diodes / TVS Diodes 1.5kW 24V 5% Bi-Directional SMCJ24CA Littelfuse 1: $1.105 17.821In Stock	Mfr. Part # SMCJ24CA Mouser Part # 576-SMCJ24CA	Littelfuse	ESD Protection Diodes / TVS Diodes 1.5kW 24V 5% Bi-Directional Learn More about Littelfuse smcj tvs 1500w diodes	Datasheet	17.821In Stock	Cut Tape $1.105 $508 $449 $345 Reel $239 MouseReel Available	Min.: 1 Mult.: 1 : 3.000
Varistors RADIAL VARISTOR 7MM ROHS/LEAD FREE V07E25PL2T Littelfuse 1: $330 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 $330 $213 $205 Reel $205	Min.: 1 Mult.: 1 : 1.000
Cartridge Fuses 250V 4A Slo-Blo 0313004.MXP Littelfuse 1: $2.039 5.979In Stock	Mfr. Part # 0313004.MXP Mouser Part # 576-0313004.MXP	Littelfuse	Cartridge Fuses 250V 4A Slo-Blo Learn More about Littelfuse 6x32 3ab3ag fuseholders	Datasheet	5.979In Stock	$2.039 $1.698 $1.572 $1.299 View $1.087 $1.071 $915 $914 $840	Min.: 1 Mult.: 1
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP S.A. STANDARD 600V NOMINAL CG5600L Littelfuse 1: $3.030 1.221In Stock	Mfr. Part # CG5600L Mouser Part # 576-CG5600L	Littelfuse	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP S.A. STANDARD 600V NOMINAL	Datasheet	1.221In Stock	Cut Tape $3.030 $2.689 $2.495 $2.085 View Reel $1.322 $1.857 $1.709 $1.447 $1.322	Min.: 1 Mult.: 1 : 1.000
Varistors 5.5 VDC .05J 21V-CL 185PF P V5.5MLA0402NR Littelfuse 1: $433 47.031In Stock 30.000Expected 12/22/2026	Mfr. Part # V5.5MLA0402NR Mouser Part # 576-V5.5MLA0402NR	Littelfuse	Varistors 5.5 VDC .05J 21V-CL 185PF P Learn More about Littelfuse Littelfuse Varistors	Datasheet	47.031In Stock 30.000Expected 12/22/2026	Cut Tape $433 $268 $231 $214 View Reel $148 $198 $175 $165 $161 $148 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: $3.760 978In Stock	Mfr. Part # GTCA28-302M-R03 Mouser Part # 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	$3.760 $3.030 $2.882 $2.495 View $2.336 $2.210 $2.199	Min.: 1 Mult.: 1
Thyristor Surge Protection Devices - TSPD 50A 170V P1800SALRP Littelfuse 1: $1.800 4.000In Stock	Mfr. Part # P1800SALRP Mouser Part # 576-P1800SALRP	Littelfuse	Thyristor Surge Protection Devices - TSPD 50A 170V Learn More about Littelfuse p 0s lrp thyristors	Datasheet	4.000In Stock	Cut Tape $1.800 $1.130 $571 $490 Reel $490 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: $4.910 1.456In Stock	Mfr. Part # GTCA28-212M-R03 Mouser Part # 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	$4.910 $4.079 $3.760 $3.122 View $2.882 $2.586 $2.381 $2.267 $2.199	Min.: 1 Mult.: 1
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 8MM 90V 3POLE AXIAL LEADS GDT GTCA38-900M-R10 Littelfuse 1: $3.498 1.011In Stock	Mfr. Part # GTCA38-900M-R10 Mouser Part # 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	$3.498 $2.905 $2.689 $2.233 View $2.051 $1.846 $1.698 $1.561 $1.515	Min.: 1 Mult.: 1
Thyristor Surge Protection Devices - TSPD 100A 220V P2600SBLRP Littelfuse 1: $2.153 5.000In Stock	Mfr. Part # P2600SBLRP Mouser Part # 576-P2600SBLRP	Littelfuse	Thyristor Surge Protection Devices - TSPD 100A 220V Learn More about Littelfuse p 0s lrp thyristors	Datasheet	5.000In Stock	Cut Tape $2.153 $1.071 $766 $579 $540 Reel $532 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: $1.242 2.525In Stock	Mfr. Part # SG420 Mouser Part # 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 $1.242 $1.060 $917 $858 View Reel $712 $805 $756 $719 $712 MouseReel Available	Min.: 1 Mult.: 1 : 2.000
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP 5X5 90V Minitube 2 Term SL0902A090SM Littelfuse 1: $3.065 6.298In Stock	Mfr. Part # SL0902A090SM Mouser Part # 576-SL0902A090SM	Littelfuse	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP 5X5 90V Minitube 2 Term Learn More about Littelfuse sl0902a cg5 gdts	Datasheet	6.298In Stock	Cut Tape $3.065 $2.598 $2.392 $1.982 View Reel $1.367 $1.834 $1.652 $1.367 $1.367 MouseReel Available	Min.: 1 Mult.: 1 : 900
ESD Protection Diodes / TVS Diodes 1.5kW 130V 5% Uni-Directional SMCJ130A Littelfuse 1: $797 8.432In Stock	Mfr. Part # SMCJ130A Mouser Part # 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 $797 $415 $354 $278 Reel $205 View $273 $180 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: $3.429 1.773In Stock	Mfr. Part # GTCS28-750M-R05-2 Mouser Part # 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 $3.429 $3.224 $3.053 $2.461 Reel $1.629 View $2.085 $2.039 $1.527 $1.390 MouseReel Available	Min.: 1 Mult.: 1 : 500
Cartridge Fuses 250V 3.2A Slo-Blo 031303.2MXP Littelfuse 1: $1.800 2.297In Stock	Mfr. Part # 031303.2MXP Mouser Part # 576-031303.2MXP	Littelfuse	Cartridge Fuses 250V 3.2A Slo-Blo Learn More about Littelfuse 6x32 3ab3ag fuseholders	Datasheet	2.297In Stock	$1.800 $1.492 $1.379 $1.151 View $1.054 $947 $873 $729	Min.: 1 Mult.: 1
Cartridge Fuses 500Vac 400Vdc TL 5X20 800mA 0477.800MXP Littelfuse 1: $2.381 2.920In Stock	Mfr. Part # 0477.800MXP Mouser Part # 576-0477.800MXP	Littelfuse	Cartridge Fuses 500Vac 400Vdc TL 5X20 800mA Learn More about Littelfuse battery management solutions	Datasheet	2.920In Stock	$2.381 $2.199 $1.823 $1.686 View $1.515 $1.390 $1.265 $1.208	Min.: 1 Mult.: 1