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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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Part #

ESD Protection Diodes / TVS Diodes TVS ARRAY

SP3213-01UTG
Littelfuse
1: $0.27
86,587In 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

86,587In Stock

Cut Tape

$0.27

$0.213

$0.176

$0.161

View

Reel

$0.15

MouseReel Available

Min.: 1
Mult.: 1

Reel: 15,000

ESD Protection Diodes / TVS Diodes 1.5pF 30kV

SP4044-04ATG
Littelfuse
1: $0.52
11,094In Stock

Mfr. Part No.
SP4044-04ATG

Mouser Part No
576-SP4044-04ATG

Littelfuse

ESD Protection Diodes / TVS Diodes 1.5pF 30kV

Learn More

Datasheet

11,094In Stock

Cut Tape

$0.52

$0.488

$0.459

Reel

$0.399

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4,000

ESD Protection Diodes / TVS Diodes 8 Ch 30kV 2.5V 4.4pF

SP4060-08ATG
Littelfuse
1: $0.63
2,523In Stock
4,000Expected 28/04/2026

Mfr. Part No.
SP4060-08ATG

Mouser Part No
576-SP4060-08ATG

Littelfuse

ESD Protection Diodes / TVS Diodes 8 Ch 30kV 2.5V 4.4pF

Learn More

Datasheet

2,523In Stock

4,000Expected 28/04/2026

Cut Tape

$0.63

$0.621

$0.618

$0.617

Reel

$0.531

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4,000

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

SP4065-08ATG
Littelfuse
1: $1.36
9,033In Stock
7,900Expected 03/04/2026

Mfr. Part No.
SP4065-08ATG

Mouser Part No
576-SP4065-08ATG

Littelfuse

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

Learn More

Datasheet

9,033In Stock

7,900Expected 03/04/2026

Cut Tape

$1.36

$1.06

$0.845

$0.701

View

Reel

$0.512

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4,000

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 8MM 1500V 2POLE AXIAL LEAD HV GDT

GTCA28-152L-R03
Littelfuse
1: $3.68
1,255In Stock

Mfr. Part No.
GTCA28-152L-R03

Mouser Part No
650-GTCA28-152L-R03

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 8MM 1500V 2POLE AXIAL LEAD HV GDT

Learn More

Datasheet

1,255In Stock

$3.68

$3.35

$3.17

$2.56

View

Min.: 1
Mult.: 1

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 3MM 150V 2POLE CHIP TYPE SMT

GTCC23-151M-R01-2
Littelfuse
1: $1.27
3,715In Stock

Mfr. Part No.
GTCC23-151M-R01-2

Mouser Part No
650-GTCC23-151MR01-2

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 3MM 150V 2POLE CHIP TYPE SMT

Learn More

Datasheet

3,715In Stock

Cut Tape

$1.27

$1.12

$1.04

$0.859

View

Reel

$0.57

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,000

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

GTCC23-900M-R01-2
Littelfuse
1: $1.32
5,095In Stock

Mfr. Part No.
GTCC23-900M-R01-2

Mouser Part No
650-GTCC23-900MR01-2

Littelfuse

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

Learn More

Datasheet

5,095In Stock

Cut Tape

$1.32

$1.13

$1.05

$0.859

View

Reel

$0.492

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,000

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

GTCS23-900M-R01-2
Littelfuse
1: $1.23
22,254In 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

22,254In Stock

Cut Tape

$1.23

$1.02

$0.936

$0.776

View

Reel

$0.482

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,000

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 5MM 75V 3POLE SMT GDT

GTCS35-750M-R05
Littelfuse
1: $1.83
2,775In Stock

Mfr. Part No.
GTCS35-750M-R05

Mouser Part No
650-GTCS35-750M-R05

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 5MM 75V 3POLE SMT GDT

Learn More

Datasheet

2,775In Stock

$1.83

$1.52

$1.40

$1.16

View

Min.: 1
Mult.: 1

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 5MM 75V 3POLE SMT GDT

GTCS35-750M-R05-2
Littelfuse
1: $1.93
10,433In Stock

Mfr. Part No.
GTCS35-750M-R05-2

Mouser Part No
650-GTCS35-750MR05-2

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 5MM 75V 3POLE SMT GDT

Learn More

Datasheet

10,433In Stock

Cut Tape

$1.93

$1.68

$1.55

$1.29

View

Reel

$0.964

MouseReel Available

Min.: 1
Mult.: 1

Reel: 1,000

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 5MM 90V 3POLE SMT GDT

GTCS35-900M-R05-2
Littelfuse
1: $2.07
2,965In Stock
4,000Expected 24/04/2026

Mfr. Part No.
GTCS35-900M-R05-2

Mouser Part No
650-GTCS35-900MR05-2

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 5MM 90V 3POLE SMT GDT

Learn More

Datasheet

2,965In Stock

4,000Expected 24/04/2026

Cut Tape

$2.07

$1.72

$1.59

$1.32

View

Reel

$0.859

MouseReel Available

Min.: 1
Mult.: 1

Reel: 1,000

Cartridge Fuses 250V 1A Slo-Blo

0313001.HXP
Littelfuse
1: $1.23
3,871In Stock

Mfr. Part No.
0313001.HXP

Mouser Part No
576-0313001.HXP

Littelfuse

Cartridge Fuses 250V 1A Slo-Blo

Learn More

Datasheet

3,871In Stock

$1.23

$1.06

$0.981

$0.708

View

Min.: 1
Mult.: 1

Cartridge Fuses 250V 1A Slo-Blo

0313001.MXP
Littelfuse
1: $1.31
3,059In Stock

Mfr. Part No.
0313001.MXP

Mouser Part No
576-0313001.MXP

Littelfuse

Cartridge Fuses 250V 1A Slo-Blo

Learn More

Datasheet

3,059In Stock

$1.31

$0.923

$0.857

$0.634

View

Min.: 1
Mult.: 1

Cartridge Fuses 250V 2A Slo-Blo

0313002.HXP
Littelfuse
1: $1.15
3,958In Stock

Mfr. Part No.
0313002.HXP

Mouser Part No
576-0313002.HXP

Littelfuse

Cartridge Fuses 250V 2A Slo-Blo

Learn More

Datasheet

3,958In Stock

$1.15

$0.97

$0.903

$0.709

View

Min.: 1
Mult.: 1

Cartridge Fuses 250V 2A Slo-Blo

0313002.MXP
Littelfuse
1: $1.31
3,069In Stock
3,000On Order

Mfr. Part No.
0313002.MXP

Mouser Part No
576-0313002.MXP

Littelfuse

Cartridge Fuses 250V 2A Slo-Blo

Learn More

Datasheet

3,069In Stock

3,000On Order

$1.31

$0.802

$0.762

$0.745

View

Min.: 1
Mult.: 1

Cartridge Fuses 250V 5A Slo-Blo

0313005.HXP
Littelfuse
1: $1.55
2,297In Stock
1,300Expected 27/04/2026

Mfr. Part No.
0313005.HXP

Mouser Part No
576-0313005.HXP

Littelfuse

Cartridge Fuses 250V 5A Slo-Blo

Learn More

Datasheet

2,297In Stock

1,300Expected 27/04/2026

$1.55

$1.29

$1.19

$0.716

Min.: 1
Mult.: 1

Cartridge Fuses 250V 6.25A Slo-Blo

03136.25MXP
Littelfuse
1: $1.48
6,351In Stock

Mfr. Part No.
03136.25MXP

Mouser Part No
576-03136.25MXP

Littelfuse

Cartridge Fuses 250V 6.25A Slo-Blo

Learn More

Datasheet

6,351In Stock

$1.48

$1.23

$1.14

$0.943

View

Min.: 1
Mult.: 1

Surface Mount Fuses 32V .250A SLIM Fast Acting 0402

0435.250KRHFS
Littelfuse
1: $1.45
14,809In Stock

Mfr. Part No.
0435.250KRHFS

Mouser Part No
576-0435.250KRHFS

Littelfuse

Surface Mount Fuses 32V .250A SLIM Fast Acting 0402

Learn More

Datasheet

14,809In Stock

Cut Tape

$1.45

$1.22

$1.13

$0.924

View

Reel

$0.622

MouseReel Available

Min.: 1
Mult.: 1

Reel: 10,000

Surface Mount Fuses 32V .250A SLIM Fast Acting 0402

0435.250KRS
Littelfuse
1: $1.38
13,517In Stock

Mfr. Part No.
0435.250KRS

Mouser Part No
576-0435.250KRS

Littelfuse

Surface Mount Fuses 32V .250A SLIM Fast Acting 0402

Learn More

Datasheet

13,517In Stock

Cut Tape

$1.38

$1.14

$1.01

$0.881

View

Reel

$0.564

MouseReel Available

Min.: 1
Mult.: 1

Reel: 10,000

Surface Mount Fuses 600VAC 0.5A .56ohms 461 NANO2

0461.500ER
Littelfuse
1: $1.92
4,494In Stock
7,734Expected 29/05/2026

Mfr. Part No.
0461.500ER

Mouser Part No
576-0461.500ER

Littelfuse

Surface Mount Fuses 600VAC 0.5A .56ohms 461 NANO2

Learn More

Datasheet

4,494In Stock

7,734Expected 29/05/2026

Cut Tape

$1.92

$1.67

$1.57

$1.31

View

Reel

$0.819

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

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

0461002.ER
Littelfuse
1: $1.46
7,257In Stock
5,000Expected 28/05/2026

Mfr. Part No.
0461002.ER

Mouser Part No
576-0461002.ER

Littelfuse

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

Learn More

Datasheet

7,257In Stock

5,000Expected 28/05/2026

Cut Tape

$1.46

$1.28

$1.20

$0.987

View

Reel

$0.819

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

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

04611.25ER
Littelfuse
1: $1.46
18,762In Stock

Mfr. Part No.
04611.25ER

Mouser Part No
576-04611.25ER

Littelfuse

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

Learn More

Datasheet

18,762In Stock

Cut Tape

$1.46

$1.28

$1.20

$0.987

View

Reel

$0.576

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

Cartridge Fuses 500Vac 400Vdc TL 5X20 500mA

0477.500MXP
Littelfuse
1: $1.80
11,165In Stock

Mfr. Part No.
0477.500MXP

Mouser Part No
576-0477.500MXP

Littelfuse

Cartridge Fuses 500Vac 400Vdc TL 5X20 500mA

Learn More

Datasheet

11,165In Stock

$1.80

$1.58

$1.41

$1.19

View

Min.: 1
Mult.: 1

Cartridge Fuses 500Vac 400Vdc TL 1A 5X20

0477001.MXP
Littelfuse
1: $1.99
6,179In Stock
4,496Expected 30/03/2026

Mfr. Part No.
0477001.MXP

Mouser Part No
576-0477001.MXP

Littelfuse

Cartridge Fuses 500Vac 400Vdc TL 1A 5X20

Learn More

Datasheet

6,179In Stock

4,496Expected 30/03/2026

$1.99

$1.66

$1.53

$1.27

View

Min.: 1
Mult.: 1

Cartridge Fuses 500Vac 400Vdc TL 2A 5X20

0477002.MXP
Littelfuse
1: $1.71
9,511In Stock

Mfr. Part No.
0477002.MXP

Mouser Part No
576-0477002.MXP

Littelfuse

Cartridge Fuses 500Vac 400Vdc TL 2A 5X20

Learn More

Datasheet

9,511In Stock

$1.71

$1.51

$1.25

$1.16

View

Min.: 1
Mult.: 1

General Port Protection Solutions

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General Port Protection Solutions

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