.hide-partial { max-height: none; } .show-more { display: none; }

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)

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

.search-refine-wrapper { display: inline-block; min-width: 100%; } .scroll-body { overflow-x: visible; } .search-table-wrapper { overflow: visible; } .hide-partial { max-height: none; } .show-more { display: none; }

Part #

Cartridge Fuses 250V 2.25A Slo-Blo

03132.25HXP
Littelfuse
1: £1.24
1,161In Stock

Mfr. Part No.
03132.25HXP

Mouser Part No
576-03132.25HXP

Littelfuse

Cartridge Fuses 250V 2.25A Slo-Blo

Learn More

Datasheet

1,161In Stock

£1.24

£0.669

£0.633

£0.56

£0.526

Min.: 1
Mult.: 1

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 263-437V 2A GDT T/R 2 Term

SG350
Littelfuse
1: £1.07
1,995In Stock

Mfr. Part No.
SG350

Mouser Part No
576-SG350

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 263-437V 2A GDT T/R 2 Term

Learn More

Datasheet

1,995In Stock

Cut Tape

£1.07

£0.818

£0.678

£0.627

£0.543

Reel

£0.489

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

Varistors 60V 20mm Epoxy UltraMOV

V20E60P
Littelfuse
1: £0.488
3,657In Stock

Mfr. Part No.
V20E60P

Mouser Part No
576-V20E60P

Littelfuse

Varistors 60V 20mm Epoxy UltraMOV

Learn More

Datasheet

3,657In Stock

£0.488

£0.35

£0.314

£0.276

View

Min.: 1
Mult.: 1

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 6MM 230V 3POLE RADIAL LEADS GDT

GTCR36-231M-R10
Littelfuse
1: £2.04
1,042In Stock

Mfr. Part No.
GTCR36-231M-R10

Mouser Part No
650-GTCR36-231M-R10

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 6MM 230V 3POLE RADIAL LEADS GDT

Learn More

Datasheet

1,042In Stock

£2.04

£1.57

£1.29

£1.20

£1.11

Min.: 1
Mult.: 1

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

GTCA28-242M-R03
Littelfuse
1: £2.69
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

Learn More

Datasheet

2,808In Stock

£2.69

£2.06

£1.70

£1.57

£1.51

Min.: 1
Mult.: 1

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

0435.250KRHFS
Littelfuse
1: £1.17
24,673In Stock
30,000Expected 28/09/2026

Mfr. Part No.
0435.250KRHFS

Mouser Part No
576-0435.250KRHFS

Littelfuse

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

Learn More

Datasheet

24,673In Stock

30,000Expected 28/09/2026

Cut Tape

£1.17

£1.04

£0.986

£0.796

View

Reel

£0.503

MouseReel Available

Min.: 1
Mult.: 1

: 10,000

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

0461002.ER
Littelfuse
1: £1.46
25,559In Stock

Mfr. Part No.
0461002.ER

Mouser Part No
576-0461002.ER

Littelfuse

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

Learn More

Datasheet

25,559In Stock

Cut Tape

£1.46

£1.31

£1.19

£1.00

View

Reel

£0.728

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

Cartridge Fuses 500Vac 400Vdc TL 1A 5X20

0477001.MXP
Littelfuse
1: £1.83
19,585In Stock

Mfr. Part No.
0477001.MXP

Mouser Part No
576-0477001.MXP

Littelfuse

Cartridge Fuses 500Vac 400Vdc TL 1A 5X20

Learn More

Datasheet

19,585In Stock

£1.83

£1.64

£1.51

£1.26

View

Min.: 1
Mult.: 1

Cartridge Fuses 500Vac 400Vdc TL 2A 5X20

0477002.MXP
Littelfuse
1: £1.69
14,329In Stock

Mfr. Part No.
0477002.MXP

Mouser Part No
576-0477002.MXP

Littelfuse

Cartridge Fuses 500Vac 400Vdc TL 2A 5X20

Learn More

Datasheet

14,329In Stock

£1.69

£1.47

£1.33

£1.12

View

Min.: 1
Mult.: 1

Cartridge Fuses 500Vac 400Vdc TL 5A 5X20

0477005.MXP
Littelfuse
1: £1.93
13,005In Stock

Mfr. Part No.
0477005.MXP

Mouser Part No
576-0477005.MXP

Littelfuse

Cartridge Fuses 500Vac 400Vdc TL 5A 5X20

Learn More

Datasheet

13,005In Stock

£1.93

£1.63

£1.51

£1.26

View

Min.: 1
Mult.: 1

Cartridge Fuses 500Vac 400Vdc TL 8A 5X20

0477008.MXP
Littelfuse
1: £2.03
13,780In Stock

Mfr. Part No.
0477008.MXP

Mouser Part No
576-0477008.MXP

Littelfuse

Cartridge Fuses 500Vac 400Vdc TL 8A 5X20

Learn More

Datasheet

13,780In Stock

£2.03

£1.69

£1.55

£1.29

View

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes ESD 24V BI

AQ24CANA-02HTG
Littelfuse
1: £0.563
141,020In Stock

Mfr. Part No.
AQ24CANA-02HTG

Mouser Part No
576-AQ24CANA-02HTG

Littelfuse

ESD Protection Diodes / TVS Diodes ESD 24V BI

Learn More

Datasheet

141,020In Stock

Cut Tape

£0.563

£0.292

£0.248

£0.189

Reel

£0.126

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: £2.43
49,590In 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

Learn More

Datasheet

49,590In Stock

Cut Tape

£2.43

£1.58

£1.23

£1.00

£0.969

Reel

£0.969

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

ESD Protection Diodes / TVS Diodes TVS ARRAY

SP3213-01UTG
Littelfuse
1: £0.533
100,060In Stock

Mfr. Part No.
SP3213-01UTG

Mouser Part No
576-SP3213-01UTG

Littelfuse

ESD Protection Diodes / TVS Diodes TVS ARRAY

Learn More

Datasheet

100,060In Stock

Cut Tape

£0.533

£0.333

£0.22

£0.171

View

Reel

£0.119

MouseReel Available

Min.: 1
Mult.: 1

: 15,000

ESD Protection Diodes / TVS Diodes 1.3pF 15A BIDIRECTIONAL

SP4022-01FTG-C
Littelfuse
1: £0.676
83,512In Stock
57,000Expected 27/08/2026

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

83,512In Stock

57,000Expected 27/08/2026

Cut Tape

£0.676

£0.321

£0.272

£0.209

£0.188

Reel

£0.163

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

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

SP4065-08ATG
Littelfuse
1: £1.63
26,835In Stock

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

26,835In Stock

Cut Tape

£1.63

£0.796

£0.684

£0.566

View

Reel

£0.42

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

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

SPHV24-01ETG-C
Littelfuse
1: £0.421
291,337In Stock
220,000On Order

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

291,337In Stock

220,000On Order

Cut Tape

£0.421

£0.247

£0.165

£0.126

Reel

£0.075

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: £0.736
47,073In 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

47,073In Stock

Cut Tape

£0.736

£0.56

£0.464

£0.429

£0.426

Reel

£0.40

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

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

0313.100MXP
Littelfuse
1: £2.55
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

£2.55

£2.31

£2.23

£1.59

View

Min.: 1
Mult.: 1

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

0313.250HXP
Littelfuse
1: £1.58
4,119In Stock
3,200Expected 20/08/2026

Mfr. Part No.
0313.250HXP

Mouser Part No
576-0313.250HXP

Littelfuse

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

Learn More

Datasheet

4,119In Stock

3,200Expected 20/08/2026

£1.58

£1.32

£1.21

£1.01

View

Min.: 1
Mult.: 1

Cartridge Fuses 250V .5A Slo-Blo

0313.500HXP
Littelfuse
1: £1.22
3,204In Stock
1,100Expected 28/08/2026

Mfr. Part No.
0313.500HXP

Mouser Part No
576-0313.500HXP

Littelfuse

Cartridge Fuses 250V .5A Slo-Blo

Learn More

Datasheet

Product Comments

3,204In Stock

1,100Expected 28/08/2026

£1.22

£1.03

£0.952

£0.766

View

Min.: 1
Mult.: 1

Cartridge Fuses 250V 1A Slo-Blo

0313001.HXP
Littelfuse
1: £1.29
4,384In Stock
1,910Expected 28/08/2026

Mfr. Part No.
0313001.HXP

Mouser Part No
576-0313001.HXP

Littelfuse

Cartridge Fuses 250V 1A Slo-Blo

Learn More

Datasheet

4,384In Stock

1,910Expected 28/08/2026

£1.29

£1.14

£1.04

£0.871

View

Min.: 1
Mult.: 1

Cartridge Fuses 250V 2A Slo-Blo

0313002.MXP
Littelfuse
1: £1.19
10,184In Stock

Mfr. Part No.
0313002.MXP

Mouser Part No
576-0313002.MXP

Littelfuse

Cartridge Fuses 250V 2A Slo-Blo

Learn More

Datasheet

10,184In Stock

£1.19

£0.986

£0.908

£0.759

View

Min.: 1
Mult.: 1

Cartridge Fuses 250V 3A Slo-Blo

0313003.HXP
Littelfuse
1: £1.22
3,035In Stock

Mfr. Part No.
0313003.HXP

Mouser Part No
576-0313003.HXP

Littelfuse

Cartridge Fuses 250V 3A Slo-Blo

Learn More

Datasheet

3,035In Stock

£1.22

£1.03

£0.952

£0.78

View

Min.: 1
Mult.: 1

Cartridge Fuses 250V 3A Slo-Blo

0313003.MXP
Littelfuse
1: £1.17
4,152In 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

4,152In Stock

4,000Expected 14/09/2026

£1.17

£0.986

£0.908

£0.759

View

Min.: 1
Mult.: 1

General Port Protection Solutions

All Results (982)

Customer Service Office

Company

Resources

Support

General Port Protection Solutions

All Results (982)

Circuit Protection

Semiconductors

Industrial Automation

Sensors