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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 #

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

04611.25ER
Littelfuse
1: $1.47
18,812In Stock

Mfr. Part No.
04611.25ER

Mouser Part No
576-04611.25ER

Littelfuse

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

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Datasheet

18,812In Stock

Cut Tape

$1.47

$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
11,178In Stock

Mfr. Part No.
0477.500MXP

Mouser Part No
576-0477.500MXP

Littelfuse

Cartridge Fuses 500Vac 400Vdc TL 5X20 500mA

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Datasheet

11,178In Stock

$1.80

$1.58

$1.41

$1.22

Min.: 1
Mult.: 1

Cartridge Fuses 500Vac 400Vdc TL 1A 5X20

0477001.MXP
Littelfuse
1: $1.99
6,472In Stock
4,496Expected 2026/03/30

Mfr. Part No.
0477001.MXP

Mouser Part No
576-0477001.MXP

Littelfuse

Cartridge Fuses 500Vac 400Vdc TL 1A 5X20

Learn More

Datasheet

6,472In Stock

4,496Expected 2026/03/30

$1.99

$1.66

$1.54

$1.27

$1.22

Min.: 1
Mult.: 1

Cartridge Fuses 500Vac 400Vdc TL 2A 5X20

0477002.MXP
Littelfuse
1: $1.71
9,712In Stock

Mfr. Part No.
0477002.MXP

Mouser Part No
576-0477002.MXP

Littelfuse

Cartridge Fuses 500Vac 400Vdc TL 2A 5X20

Learn More

Datasheet

9,712In Stock

$1.71

$1.51

$1.26

$1.16

View

Min.: 1
Mult.: 1

Cartridge Fuses 500Vac 400Vdc TL 4A 5X20

0477004.MXP
Littelfuse
1: $1.85
4,483In Stock
4,000Expected 2026/05/04

Mfr. Part No.
0477004.MXP

Mouser Part No
576-0477004.MXP

Littelfuse

Cartridge Fuses 500Vac 400Vdc TL 4A 5X20

Learn More

Datasheet

4,483In Stock

4,000Expected 2026/05/04

$1.85

$1.62

$1.43

$1.24

$1.22

Min.: 1
Mult.: 1

Cartridge Fuses 500Vac 400Vdc TL 5A 5X20

0477005.MXP
Littelfuse
1: $1.97
9,462In Stock

Mfr. Part No.
0477005.MXP

Mouser Part No
576-0477005.MXP

Littelfuse

Cartridge Fuses 500Vac 400Vdc TL 5A 5X20

Learn More

Datasheet

9,462In Stock

$1.97

$1.70

$1.59

$1.40

View

Min.: 1
Mult.: 1

Cartridge Fuses 500Vac 400Vdc TL 8A 5X20

0477008.MXP
Littelfuse
1: $2.08
12,336In Stock

Mfr. Part No.
0477008.MXP

Mouser Part No
576-0477008.MXP

Littelfuse

Cartridge Fuses 500Vac 400Vdc TL 8A 5X20

Learn More

Datasheet

12,336In Stock

$2.08

$1.90

$1.74

$1.45

View

Min.: 1
Mult.: 1

Cartridge Fuses 500Vac 400Vdc TL 10A 5X20

0477010.MXP
Littelfuse
1: $2.04
5,266In Stock

Mfr. Part No.
0477010.MXP

Mouser Part No
576-0477010.MXP

Littelfuse

Cartridge Fuses 500Vac 400Vdc TL 10A 5X20

Learn More

Datasheet

5,266In Stock

$2.04

$1.90

$1.71

$1.45

View

Min.: 1
Mult.: 1

Cartridge Fuses 500Vac 400Vdc TL 12A 5X20

0477012.MXP
Littelfuse
1: $2.76
1,578In Stock

Mfr. Part No.
0477012.MXP

Mouser Part No
576-0477012.MXP

Littelfuse

Cartridge Fuses 500Vac 400Vdc TL 12A 5X20

Learn More

Datasheet

1,578In Stock

$2.76

$2.56

$2.44

$1.97

View

Min.: 1
Mult.: 1

Cartridge Fuses 500Vac 400Vdc TL 16A 5X20

0477016.MXP
Littelfuse
1: $2.70
1,337In Stock

Mfr. Part No.
0477016.MXP

Mouser Part No
576-0477016.MXP

Littelfuse

Cartridge Fuses 500Vac 400Vdc TL 16A 5X20

Learn More

Datasheet

1,337In Stock

$2.70

$2.26

$2.07

$1.72

$1.52

Min.: 1
Mult.: 1

Cartridge Fuses 500Vac 400Vdc TL 5X20 6.3A

047706.3MXP
Littelfuse
1: $1.86
1,865In Stock

Mfr. Part No.
047706.3MXP

Mouser Part No
576-047706.3MXP

Littelfuse

Cartridge Fuses 500Vac 400Vdc TL 5X20 6.3A

Learn More

Datasheet

1,865In Stock

$1.86

$1.62

$1.47

$1.23

$1.19

Min.: 1
Mult.: 1

Cartridge Fuses 500Vac 400Vdc TL 5X20 3.15A

04773.15MXP
Littelfuse
1: $1.97
3,586In Stock
4,000Expected 2026/03/31

Mfr. Part No.
04773.15MXP

Mouser Part No
576-04773.15MXP

Littelfuse

Cartridge Fuses 500Vac 400Vdc TL 5X20 3.15A

Learn More

Datasheet

3,586In Stock

4,000Expected 2026/03/31

$1.97

$1.64

$1.51

$1.26

View

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes 0603 32VDC .09pF AEC-Q200 QUAL

AXGD10603NR
Littelfuse
1: $0.89
49,902In Stock

Mfr. Part No.
AXGD10603NR

Mouser Part No
576-AXGD10603NR

Littelfuse

ESD Protection Diodes / TVS Diodes 0603 32VDC .09pF AEC-Q200 QUAL

Learn More

Datasheet

49,902In Stock

Cut Tape

$0.89

$0.556

$0.361

$0.277

Reel

$0.273

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5,000

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors STANDARD 90V NOM

CG590L
Littelfuse
1: $3.20
3,850In Stock

Mfr. Part No.
CG590L

Mouser Part No
576-CG590L

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors STANDARD 90V NOM

Datasheet

3,850In Stock

Cut Tape

$3.20

$2.66

$2.45

$2.04

View

Reel

$1.42

Min.: 1
Mult.: 1

Reel: 1,000

Thyristor Surge Protection Devices - TSPD 50A 6V

P0080SALRP
Littelfuse
1: $1.51
7,636In Stock
7,500Expected 2026/05/07

Mfr. Part No.
P0080SALRP

Mouser Part No
576-P0080SALRP

Littelfuse

Thyristor Surge Protection Devices - TSPD 50A 6V

Learn More

Datasheet

7,636In Stock

7,500Expected 2026/05/07

Cut Tape

$1.51

$0.857

$0.592

$0.481

$0.442

Reel

$0.409

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

Thyristor Surge Protection Devices - TSPD MicroCapacitance SA SIDACtor

P0220SALRP
Littelfuse
1: $1.51
10,628In Stock

Mfr. Part No.
P0220SALRP

Mouser Part No
576-P0220SALRP

Littelfuse

Thyristor Surge Protection Devices - TSPD MicroCapacitance SA SIDACtor

Learn More

Datasheet

10,628In Stock

Cut Tape

$1.51

$0.956

$0.636

$0.499

Reel

$0.379

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

Thyristor Surge Protection Devices - TSPD 50A 25V

P0300SALRP
Littelfuse
1: $1.38
4,506In Stock

Mfr. Part No.
P0300SALRP

Mouser Part No
576-P0300SALRP

Littelfuse

Thyristor Surge Protection Devices - TSPD 50A 25V

Learn More

Datasheet

4,506In Stock

Cut Tape

$1.38

$0.916

$0.637

$0.483

$0.441

Reel

$0.409

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

Thyristor Surge Protection Devices - TSPD 50A 275V

P3100SALRP
Littelfuse
1: $1.51
8,997In Stock
5,000Expected 2026/04/28

Mfr. Part No.
P3100SALRP

Mouser Part No
576-P3100SALRP

Littelfuse

Thyristor Surge Protection Devices - TSPD 50A 275V

Learn More

Datasheet

8,997In Stock

5,000Expected 2026/04/28

Cut Tape

$1.51

$0.956

$0.637

$0.50

$0.456

Reel

$0.409

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

Thyristor Surge Protection Devices - TSPD 100A 275V

P3100SBLRP
Littelfuse
1: $1.37
11,472In Stock
5,000Expected 2026/02/19

Mfr. Part No.
P3100SBLRP

Mouser Part No
576-P3100SBLRP

Littelfuse

Thyristor Surge Protection Devices - TSPD 100A 275V

Learn More

Datasheet

11,472In Stock

5,000Expected 2026/02/19

Cut Tape

$1.37

$0.878

$0.68

$0.535

Reel

$0.522

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP 5X5 90V Minitube 2 Term

SL0902A090SM
Littelfuse
1: $2.24
3,573In Stock

Mfr. Part No.
SL0902A090SM

Mouser Part No
576-SL0902A090SM

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP 5X5 90V Minitube 2 Term

Learn More

Datasheet

3,573In Stock

Cut Tape

$2.24

$1.98

$1.81

$1.51

Reel

$1.47

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 900

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP 5X5 230V Minitube 2 Term

SL0902A230SM
Littelfuse
1: $2.40
2,851In Stock

Mfr. Part No.
SL0902A230SM

Mouser Part No
576-SL0902A230SM

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP 5X5 230V Minitube 2 Term

Learn More

Datasheet

2,851In Stock

Cut Tape

$2.40

$2.08

$1.93

$1.60

View

Reel

$1.09

MouseReel Available

Min.: 1
Mult.: 1

Reel: 900

ESD Protection Diodes / TVS Diodes 1.5kW 12V 5% Uni-Directional

SMCJ12A
Littelfuse
1: $0.511
25,995In Stock

Mfr. Part No.
SMCJ12A

Mouser Part No
576-SMCJ12A

Littelfuse

ESD Protection Diodes / TVS Diodes 1.5kW 12V 5% Uni-Directional

Learn More

Datasheet

25,995In Stock

Cut Tape

$0.511

$0.33

$0.276

$0.219

Reel

$0.157

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 1.5kW 12V 5% Bi-Directional

SMCJ12CA
Littelfuse
1: $0.68
9,828In Stock
9,000Expected 2026/05/14

Mfr. Part No.
SMCJ12CA

Mouser Part No
576-SMCJ12CA

Littelfuse

ESD Protection Diodes / TVS Diodes 1.5kW 12V 5% Bi-Directional

Learn More

Datasheet

9,828In Stock

9,000Expected 2026/05/14

Cut Tape

$0.68

$0.542

$0.366

$0.281

$0.252

Reel

$0.20

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 1.5kW 14V 5% Bi-Directional

SMCJ14CA
Littelfuse
1: $0.37
7,755In Stock

Mfr. Part No.
SMCJ14CA

Mouser Part No
576-SMCJ14CA

Littelfuse

ESD Protection Diodes / TVS Diodes 1.5kW 14V 5% Bi-Directional

Learn More

Datasheet

7,755In Stock

Cut Tape

$0.37

$0.308

$0.245

$0.207

Reel

$0.20

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 1.5kW 150V 5% Bi-Directional

SMCJ150CA
Littelfuse
1: $0.38
61,944In Stock

Mfr. Part No.
SMCJ150CA

Mouser Part No
576-SMCJ150CA

Littelfuse

ESD Protection Diodes / TVS Diodes 1.5kW 150V 5% Bi-Directional

Learn More

Datasheet

61,944In Stock

Cut Tape

$0.38

$0.295

$0.234

$0.222

$0.217

Reel

$0.208

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

General Port Protection Solutions

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General Port Protection Solutions

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