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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.

All Results (982)

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Part #

Varistors 95V 20mm Epoxy UltraMOV

V20E95P
Littelfuse
1: Rp10.641
3.174In Stock

Mfr. Part No.
V20E95P

Mouser Part No
576-V20E95P

Littelfuse

Varistors 95V 20mm Epoxy UltraMOV

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Datasheet

3.174In Stock

Rp10.641

Rp7.705

Rp6.935

Rp6.219

View

Min.: 1
Mult.: 1

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 8MM 2400V 2POLE AXIAL LEAD HV GDT

GTCA28-242M-R03
Littelfuse
1: Rp65.679
2.808In Stock

Mfr. Part No.
GTCA28-242M-R03

Mouser Part No
650-GTCA28-242M-R03

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 8MM 2400V 2POLE AXIAL LEAD HV GDT

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Datasheet

2.808In Stock

Rp65.679

Rp50.268

Rp41.645

Rp38.343

Rp35.408

Min.: 1
Mult.: 1

Surface Mount Fuses 600VAC 2A .045ohms 461 NANO2

0461002.ER
Littelfuse
1: Rp35.591
25.563In Stock

Mfr. Part No.
0461002.ER

Mouser Part No
576-0461002.ER

Littelfuse

Surface Mount Fuses 600VAC 2A .045ohms 461 NANO2

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Datasheet

25.563In Stock

Cut Tape

Rp35.591

Rp31.922

Rp28.987

Rp24.584

View

Reel

Rp17.796

MouseReel Available

Min.: 1
Mult.: 1

: 2.500

Surface Mount Fuses 600VAC 1.25A .104ohms 461 NANO2

04611.25ER
Littelfuse
1: Rp35.958
30.338In Stock
20.000Expected 07/09/2026

Mfr. Part No.
04611.25ER

Mouser Part No
576-04611.25ER

Littelfuse

Surface Mount Fuses 600VAC 1.25A .104ohms 461 NANO2

Learn More

Datasheet

30.338In Stock

20.000Expected 07/09/2026

Cut Tape

Rp35.958

Rp32.106

Rp27.152

Rp23.483

View

Reel

Rp13.026

MouseReel Available

Min.: 1
Mult.: 1

: 2.500

Cartridge Fuses 500Vac 400Vdc TL 1A 5X20

0477001.MXP
Littelfuse
1: Rp43.480
20.799In Stock

Mfr. Part No.
0477001.MXP

Mouser Part No
576-0477001.MXP

Littelfuse

Cartridge Fuses 500Vac 400Vdc TL 1A 5X20

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Datasheet

20.799In Stock

Rp43.480

Rp40.178

Rp37.059

Rp30.821

View

Min.: 1
Mult.: 1

Cartridge Fuses 500Vac 400Vdc TL 5A 5X20

0477005.MXP
Littelfuse
1: Rp47.149
13.079In Stock

Mfr. Part No.
0477005.MXP

Mouser Part No
576-0477005.MXP

Littelfuse

Cartridge Fuses 500Vac 400Vdc TL 5A 5X20

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Datasheet

13.079In Stock

Rp47.149

Rp39.994

Rp36.875

Rp30.638

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Min.: 1
Mult.: 1

Cartridge Fuses 500Vac 400Vdc TL 8A 5X20

0477008.MXP
Littelfuse
1: Rp49.534
13.910In Stock

Mfr. Part No.
0477008.MXP

Mouser Part No
576-0477008.MXP

Littelfuse

Cartridge Fuses 500Vac 400Vdc TL 8A 5X20

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Datasheet

13.910In Stock

Rp49.534

Rp41.279

Rp37.976

Rp31.555

View

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes ESD 24V BI

AQ24CANA-02HTG
Littelfuse
1: Rp13.393
141.420In Stock

Mfr. Part No.
AQ24CANA-02HTG

Mouser Part No
576-AQ24CANA-02HTG

Littelfuse

ESD Protection Diodes / TVS Diodes ESD 24V BI

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Datasheet

141.420In Stock

Cut Tape

Rp13.393

Rp8.109

Rp5.871

Rp4.476

Reel

Rp3.357

View

MouseReel Available

Min.: 1
Mult.: 1

: 3.000

ESD Protection Diodes / TVS Diodes 3.3V 1uA 30kV ESD Contact

LC03-3.3BTG
Littelfuse
1: Rp59.258
52.050In Stock

Mfr. Part No.
LC03-3.3BTG

Mouser Part No
576-LC03-3.3BTG

Littelfuse

ESD Protection Diodes / TVS Diodes 3.3V 1uA 30kV ESD Contact

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Datasheet

52.050In Stock

Cut Tape

Rp59.258

Rp38.710

Rp30.087

Rp24.584

Reel

Rp20.731

View

MouseReel Available

Min.: 1
Mult.: 1

: 2.500

ESD Protection Diodes / TVS Diodes TVS ARRAY

SP3213-01UTG
Littelfuse
1: Rp13.026
100.580In Stock

Mfr. Part No.
SP3213-01UTG

Mouser Part No
576-SP3213-01UTG

Littelfuse

ESD Protection Diodes / TVS Diodes TVS ARRAY

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Datasheet

100.580In Stock

Cut Tape

Rp13.026

Rp8.146

Rp5.375

Rp4.183

View

Reel

Rp2.899

MouseReel Available

Min.: 1
Mult.: 1

: 15.000

ESD Protection Diodes / TVS Diodes 1.3pF 15A BIDIRECTIONAL

SP4022-01FTG-C
Littelfuse
1: Rp16.695
83.539In Stock
57.000Expected 28/09/2026

Mfr. Part No.
SP4022-01FTG-C

Mouser Part No
576-SP4022-01FTG-C

Littelfuse

ESD Protection Diodes / TVS Diodes 1.3pF 15A BIDIRECTIONAL

Learn More

Datasheet

83.539In Stock

57.000Expected 28/09/2026

Cut Tape

Rp16.695

Rp10.292

Rp6.678

Rp5.302

Rp4.788

Reel

Rp3.449

MouseReel Available

Min.: 1
Mult.: 1

: 3.000

ESD Protection Diodes / TVS Diodes 3.3V 20A Lightning Surge Prot

SP4065-08ATG
Littelfuse
1: Rp39.444
26.891In Stock

Mfr. Part No.
SP4065-08ATG

Mouser Part No
576-SP4065-08ATG

Littelfuse

ESD Protection Diodes / TVS Diodes 3.3V 20A Lightning Surge Prot

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Datasheet

26.891In Stock

Cut Tape

Rp39.444

Rp24.033

Rp16.732

Rp13.833

View

Reel

Rp9.870

MouseReel Available

Min.: 1
Mult.: 1

: 4.000

ESD Protection Diodes / TVS Diodes 1CH 24V 200W BI

SPHV24-01ETG-C
Littelfuse
1: Rp10.274
291.737In Stock
220.000Expected 26/10/2026

Mfr. Part No.
SPHV24-01ETG-C

Mouser Part No
576-SPHV24-01ETG-C

Littelfuse

ESD Protection Diodes / TVS Diodes 1CH 24V 200W BI

Learn More

Datasheet

291.737In Stock

220.000Expected 26/10/2026

Cut Tape

Rp10.274

Rp6.036

Rp4.036

Rp3.082

Reel

Rp1.835

View

MouseReel Available

Min.: 1
Mult.: 1

: 10.000

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 3MM 90V 2POLE SMT GDT

GTCS23-900M-R01-2
Littelfuse
1: Rp19.997
47.074In 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

Datasheet

47.074In Stock

Cut Tape

Rp19.997

Rp15.227

Rp12.622

Rp11.650

Rp10.512

Reel

Rp9.778

MouseReel Available

Min.: 1
Mult.: 1

: 2.000

Resettable Fuses - PPTC Polyswitch 0.13A

TSV250-130F-2
Littelfuse
1: Rp20.364
29.819In Stock

Mfr. Part No.
TSV250-130F-2

Mouser Part No
650-TSV250-130F-2

Littelfuse

Resettable Fuses - PPTC Polyswitch 0.13A

Learn More

Datasheet

29.819In Stock

Cut Tape

Rp20.364

Rp18.108

Rp14.952

Rp14.292

Reel

Rp8.439

View

MouseReel Available

Min.: 1
Mult.: 1

: 1.200

Cartridge Fuses 250V .1A Slo-Blo 3AG

0313.100MXP
Littelfuse
1: Rp62.376
1.014In Stock

Mfr. Part No.
0313.100MXP

Mouser Part No
576-0313.100MXP

Littelfuse

Cartridge Fuses 250V .1A Slo-Blo 3AG

Learn More

Datasheet

1.014In Stock

Rp62.376

Rp56.506

Rp54.488

Rp38.894

View

Min.: 1
Mult.: 1

Cartridge Fuses 250V .25A Slo-Blo 3AG

0313.250HXP
Littelfuse
1: Rp38.710
4.625In Stock
3.200Expected 31/08/2026

Mfr. Part No.
0313.250HXP

Mouser Part No
576-0313.250HXP

Littelfuse

Cartridge Fuses 250V .25A Slo-Blo 3AG

Learn More

Datasheet

4.625In Stock

3.200Expected 31/08/2026

Rp38.710

Rp32.289

Rp29.721

Rp24.767

View

Min.: 1
Mult.: 1

Cartridge Fuses 250V .5A Slo-Blo

0313.500HXP
Littelfuse
1: Rp29.904
2.651In Stock
1.700On Order

Mfr. Part No.
0313.500HXP

Mouser Part No
576-0313.500HXP

Littelfuse

Cartridge Fuses 250V .5A Slo-Blo

Learn More

Datasheet

Product Comments

2.651In Stock

1.700On Order

Rp29.904

Rp25.134

Rp23.299

Rp18.713

View

Min.: 1
Mult.: 1

Cartridge Fuses 250V 1A Slo-Blo

0313001.HXP
Littelfuse
1: Rp29.354
4.294In Stock
2.500Expected 10/08/2026

Mfr. Part No.
0313001.HXP

Mouser Part No
576-0313001.HXP

Littelfuse

Cartridge Fuses 250V 1A Slo-Blo

Learn More

Datasheet

4.294In Stock

2.500Expected 10/08/2026

Rp29.354

Rp26.235

Rp23.666

Rp17.686

View

Min.: 1
Mult.: 1

Cartridge Fuses 250V 2A Slo-Blo

0313002.MXP
Littelfuse
1: Rp28.987
10.241In Stock

Mfr. Part No.
0313002.MXP

Mouser Part No
576-0313002.MXP

Littelfuse

Cartridge Fuses 250V 2A Slo-Blo

Learn More

Datasheet

10.241In Stock

Rp28.987

Rp24.033

Rp22.199

Rp18.529

View

Min.: 1
Mult.: 1

Cartridge Fuses 250V 3A Slo-Blo

0313003.HXP
Littelfuse
1: Rp29.904
2.602In Stock
700Expected 17/08/2026

Mfr. Part No.
0313003.HXP

Mouser Part No
576-0313003.HXP

Littelfuse

Cartridge Fuses 250V 3A Slo-Blo

Learn More

Datasheet

2.602In Stock

700Expected 17/08/2026

Rp29.904

Rp25.134

Rp23.299

Rp19.080

View

Min.: 1
Mult.: 1

Cartridge Fuses 250V 3A Slo-Blo

0313003.MXP
Littelfuse
1: Rp28.620
4.194In Stock
4.000Expected 14/09/2026

Mfr. Part No.
0313003.MXP

Mouser Part No
576-0313003.MXP

Littelfuse

Cartridge Fuses 250V 3A Slo-Blo

Learn More

Datasheet

4.194In Stock

4.000Expected 14/09/2026

Rp28.620

Rp24.033

Rp22.199

Rp18.529

View

Min.: 1
Mult.: 1

Cartridge Fuses 250V 4A Slo-Blo

0313004.MXP
Littelfuse
1: Rp32.839
6.471In Stock

Mfr. Part No.
0313004.MXP

Mouser Part No
576-0313004.MXP

Littelfuse

Cartridge Fuses 250V 4A Slo-Blo

Learn More

Datasheet

6.471In Stock

Rp32.839

Rp27.336

Rp25.317

Rp20.914

View

Min.: 1
Mult.: 1

Cartridge Fuses 250V 5A Slo-Blo

0313005.HXP
Littelfuse
1: Rp33.940
4.978In Stock

Mfr. Part No.
0313005.HXP

Mouser Part No
576-0313005.HXP

Littelfuse

Cartridge Fuses 250V 5A Slo-Blo

Learn More

Datasheet

4.978In Stock

Rp33.940

Rp25.134

Rp24.217

Rp20.364

View

Min.: 1
Mult.: 1

Cartridge Fuses 250V 5A Slo-Blo

0313005.MXP
Littelfuse
1: Rp32.656
1.825In Stock
2.000Expected 14/09/2026

Mfr. Part No.
0313005.MXP

Mouser Part No
576-0313005.MXP

Littelfuse

Cartridge Fuses 250V 5A Slo-Blo

Learn More

Datasheet

1.825In Stock

2.000Expected 14/09/2026

Rp32.656

Rp27.336

Rp25.317

Rp19.080

View

Min.: 1
Mult.: 1

General Port Protection Solutions

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