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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 #

ESD Protection Diodes / TVS Diodes 1.5kW 440V 5% Bi-Directional

SMCJ440CA
Littelfuse
1: $1.11
11,738In Stock

Mfr. Part No.
SMCJ440CA

Mouser Part No
576-SMCJ440CA

Littelfuse

ESD Protection Diodes / TVS Diodes 1.5kW 440V 5% Bi-Directional

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Datasheet

11,738In Stock

Cut Tape

$1.11

$0.701

$0.55

$0.43

Reel

$0.322

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 8MM 3000V 2POLE AXIAL LEAD HV GDT

GTCA28-302M-R03
Littelfuse
1: $2.42
978In Stock

Mfr. Part No.
GTCA28-302M-R03

Mouser Part No
650-GTCA28-302M-R03

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 8MM 3000V 2POLE AXIAL LEAD HV GDT

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Datasheet

978In Stock

$2.42

$2.04

$1.94

$1.93

$1.89

Min.: 1
Mult.: 1

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 8MM 600V 2POLE AXIAL LEADS GDT

GTCA28-601M-R05
Littelfuse
1: $2.86
868In Stock

Mfr. Part No.
GTCA28-601M-R05

Mouser Part No
650-GTCA28-601M-R05

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 8MM 600V 2POLE AXIAL LEADS GDT

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Datasheet

868In Stock

$2.86

$2.19

$1.81

$1.67

View

Min.: 1
Mult.: 1

Thyristor Surge Protection Devices - TSPD 22V 500A DO214 2L SIDACtor Bi

P0220SCLRP
Littelfuse
1: $1.85
4,594In Stock

Mfr. Part No.
P0220SCLRP

Mouser Part No
576-P0220SCLRP

Littelfuse

Thyristor Surge Protection Devices - TSPD 22V 500A DO214 2L SIDACtor Bi

Learn More

Datasheet

4,594In Stock

Cut Tape

$1.85

$1.18

$0.787

$0.622

$0.569

Reel

$0.51

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

Thyristor Surge Protection Devices - TSPD 50A 25V

P0300SALRP
Littelfuse
1: $1.65
3,701In Stock

Mfr. Part No.
P0300SALRP

Mouser Part No
576-P0300SALRP

Littelfuse

Thyristor Surge Protection Devices - TSPD 50A 25V

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Datasheet

3,701In Stock

Cut Tape

$1.65

$1.05

$0.573

$0.477

$0.441

Reel

$0.435

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 6MM 100V 2POLE AXIAL LEADS GDT

GTCA26-101M-R05
Littelfuse
1: $2.73
2,023In Stock

Mfr. Part No.
GTCA26-101M-R05

Mouser Part No
650-GTCA26-101M-R05

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 6MM 100V 2POLE AXIAL LEADS GDT

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Datasheet

2,023In Stock

$2.73

$2.05

$1.73

$1.60

View

Min.: 1
Mult.: 1

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 3MM 200V 2POLE CHIP TYPE SMT

GTCC23-201M-R01-2
Littelfuse
1: $1.25
2,341In Stock

Mfr. Part No.
GTCC23-201M-R01-2

Mouser Part No
650-GTCC23-201MR01-2

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 3MM 200V 2POLE CHIP TYPE SMT

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Datasheet

2,341In Stock

Cut Tape

$1.25

$0.954

$0.671

$0.631

Reel

$0.54

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

Thyristor Surge Protection Devices - TSPD 500A 75V

P0900SCLRP
Littelfuse
1: $2.04
597In Stock
2,500Expected 20/08/2026

Mfr. Part No.
P0900SCLRP

Mouser Part No
576-P0900SCLRP

Littelfuse

Thyristor Surge Protection Devices - TSPD 500A 75V

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Datasheet

597In Stock

2,500Expected 20/08/2026

Cut Tape

$2.04

$1.28

$0.843

$0.668

$0.569

Reel

$0.51

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

Varistors 30V 5mm Phenolic UltraMOV

V05P30P
Littelfuse
1: $0.78
58In Stock

Mfr. Part No.
V05P30P

Mouser Part No
576-V05P30P

Littelfuse

Varistors 30V 5mm Phenolic UltraMOV

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Datasheet

58In Stock

$0.78

$0.465

$0.322

$0.299

View

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes 3.3V Diode Array

SP4042-02UTG
Littelfuse
1: $4.70
83In Stock
12,000On Order

Mfr. Part No.
SP4042-02UTG

Mouser Part No
576-SP4042-02UTG

Littelfuse

ESD Protection Diodes / TVS Diodes 3.3V Diode Array

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Datasheet

83In Stock

12,000On Order

Cut Tape

$4.70

$3.10

$2.19

$1.93

Reel

$1.57

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

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

CG90LSN
Littelfuse
1: $3.41
21In Stock

Mfr. Part No.
CG90LSN

Mouser Part No
576-CG90LSN

Littelfuse

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

Datasheet

21In Stock

$3.41

$2.61

$1.73

$1.72

Min.: 1
Mult.: 1

Varistors 11V 5mm Phenolic UltraMOV

V05P11P
Littelfuse
1: $0.78
3,728In Stock

Mfr. Part No.
V05P11P

Mouser Part No
576-V05P11P

Littelfuse

Varistors 11V 5mm Phenolic UltraMOV

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Datasheet

3,728In Stock

$0.78

$0.465

$0.322

$0.299

View

Min.: 1
Mult.: 1

Varistors 23V 5mm Phenolic UltraMOV

V05P23P
Littelfuse
1: $0.78
4,120In Stock

Mfr. Part No.
V05P23P

Mouser Part No
576-V05P23P

Littelfuse

Varistors 23V 5mm Phenolic UltraMOV

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Datasheet

4,120In Stock

$0.78

$0.465

$0.322

$0.299

View

Min.: 1
Mult.: 1

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 8MM 230V 2POLE SMT GDT

GTCS28-231M-R10-2
Littelfuse
1: $3.59
279In Stock

Mfr. Part No.
GTCS28-231M-R10-2

Mouser Part No
650-GTCS28-231MR10-2

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 8MM 230V 2POLE SMT GDT

Learn More

Datasheet

279In Stock

Cut Tape

$3.59

$2.34

$1.91

Reel

$1.45

MouseReel Available

Min.: 1
Mult.: 1

: 500

Varistors 25V 14mm Phenolic UltraMOV

V14P25P
Littelfuse
1: $1.37
822In Stock

Mfr. Part No.
V14P25P

Mouser Part No
576-V14P25P

Littelfuse

Varistors 25V 14mm Phenolic UltraMOV

Learn More

Datasheet

822In Stock

$1.37

$0.839

$0.747

$0.614

View

Min.: 1
Mult.: 1

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 6MM 90V 2POLE AXIAL LEADS GDT

GTCA26-900M-R05
Littelfuse
1: $3.82
150In Stock

Mfr. Part No.
GTCA26-900M-R05

Mouser Part No
650-GTCA26-900M-R05

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 6MM 90V 2POLE AXIAL LEADS GDT

Learn More

Datasheet

150In Stock

$3.82

$2.51

$1.86

$1.66

$1.45

Min.: 1
Mult.: 1

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 8MM 4000V 2POLE AXIAL LEAD HV GDT

GTCA28-402M-R03
Littelfuse
1: $4.63
100In Stock
1,000Expected 13/08/2026

Mfr. Part No.
GTCA28-402M-R03

Mouser Part No
650-GTCA28-402M-R03

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 8MM 4000V 2POLE AXIAL LEAD HV GDT

Learn More

Datasheet

100In Stock

1,000Expected 13/08/2026

$4.63

$3.54

$2.93

$2.40

Min.: 1
Mult.: 1

Thyristor Surge Protection Devices - TSPD 100A 320V

P3500SBLRP
Littelfuse
1: $1.89
43In Stock

Mfr. Part No.
P3500SBLRP

Mouser Part No
576-P3500SBLRP

Littelfuse

Thyristor Surge Protection Devices - TSPD 100A 320V

Learn More

Datasheet

43In Stock

Cut Tape

$1.89

$1.19

$0.742

$0.584

Reel

$0.475

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

Thyristor Surge Protection Devices - TSPD 100A 140V

P1500SBLRP
Littelfuse
1: $1.80
2,490In Stock

Mfr. Part No.
P1500SBLRP

Mouser Part No
576-P1500SBLRP

Littelfuse

Thyristor Surge Protection Devices - TSPD 100A 140V

Learn More

Datasheet

2,490In Stock

Cut Tape

$1.80

$1.14

$0.763

$0.603

Reel

$0.515

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

Varistors 14V 5mm Epoxy UltraMOV

V05E14P
Littelfuse
1: $0.71
4,357In Stock

Mfr. Part No.
V05E14P

Mouser Part No
576-V05E14P

Littelfuse

Varistors 14V 5mm Epoxy UltraMOV

Learn More

Datasheet

4,357In Stock

$0.71

$0.42

$0.291

$0.27

View

Min.: 1
Mult.: 1

Varistors 95V 5mm Epoxy UltraMOV

V05E95P
Littelfuse
1: $0.69
4,400In Stock

Mfr. Part No.
V05E95P

Mouser Part No
576-V05E95P

Littelfuse

Varistors 95V 5mm Epoxy UltraMOV

Learn More

Datasheet

4,400In Stock

$0.69

$0.412

$0.273

$0.253

View

Min.: 1
Mult.: 1

Varistors 30V 14mm Phenolic UltraMOV

V14P30P
Littelfuse
1: $0.88
120In Stock

Mfr. Part No.
V14P30P

Mouser Part No
576-V14P30P

Littelfuse

Varistors 30V 14mm Phenolic UltraMOV

Learn More

Datasheet

120In Stock

$0.88

$0.624

$0.562

$0.493

View

Min.: 1
Mult.: 1

Varistors 17V 20mm Phenolic UltraMOV

V20P17P
Littelfuse
1: $1.71
784In Stock

Mfr. Part No.
V20P17P

Mouser Part No
576-V20P17P

Littelfuse

Varistors 17V 20mm Phenolic UltraMOV

Learn More

Datasheet

784In Stock

$1.71

$1.06

$0.97

$0.797

View

Min.: 1
Mult.: 1

Cartridge Fuses 250V .175A Slo-Blo 3AG

0313.175HXP
Littelfuse
1: $2.11
719In Stock

Mfr. Part No.
0313.175HXP

Mouser Part No
576-0313.175HXP

Littelfuse

Cartridge Fuses 250V .175A Slo-Blo 3AG

Learn More

Datasheet

719In Stock

$2.11

$1.76

$1.62

$1.39

View

Min.: 1
Mult.: 1

Cartridge Fuses 250V .8A Slo-Blo 3AG

0313.800MXP
Littelfuse
1: $1.38
1,672In Stock

Mfr. Part No.
0313.800MXP

Mouser Part No
576-0313.800MXP

Littelfuse

Cartridge Fuses 250V .8A Slo-Blo 3AG

Learn More

Datasheet

1,672In Stock

$1.38

$1.18

$1.11

$0.975

View

Min.: 1
Mult.: 1

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