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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 1.3pF 12A UNIDIRECTIONAL

SP4023-01FTG
Littelfuse
1: $0.47
8,004In Stock

Mfr. Part No.
SP4023-01FTG

Mouser Part No
576-SP4023-01FTG

Littelfuse

ESD Protection Diodes / TVS Diodes 1.3pF 12A UNIDIRECTIONAL

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Datasheet

8,004In Stock

Cut Tape

$0.47

$0.317

$0.23

$0.193

$0.183

Reel

$0.183

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

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

0313.100MXP
Littelfuse
1: $2.76
995In Stock

Mfr. Part No.
0313.100MXP

Mouser Part No
576-0313.100MXP

Littelfuse

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

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Datasheet

995In Stock

$2.76

$2.29

$2.11

$1.76

View

Min.: 1
Mult.: 1

Cartridge Fuses s250V .375A Slo-Blo 3AG

0313.375MXP
Littelfuse
1: $3.17
705In Stock

Mfr. Part No.
0313.375MXP

Mouser Part No
576-0313.375MXP

Littelfuse

Cartridge Fuses s250V .375A Slo-Blo 3AG

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Datasheet

705In Stock

$3.17

$2.64

$2.43

$2.02

View

Min.: 1
Mult.: 1

Cartridge Fuses 250V 3.2A Slo-Blo

031303.2MXP
Littelfuse
1: $1.31
1,246In Stock

Mfr. Part No.
031303.2MXP

Mouser Part No
576-031303.2MXP

Littelfuse

Cartridge Fuses 250V 3.2A Slo-Blo

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Datasheet

1,246In Stock

$1.31

$1.09

$0.999

$0.829

View

Min.: 1
Mult.: 1

Thyristor Surge Protection Devices - TSPD 400V 500A SIDACtor DO-214AA

P4500SCLRP
Littelfuse
1: $1.70
1,504In Stock

Mfr. Part No.
P4500SCLRP

Mouser Part No
576-P4500SCLRP

Littelfuse

Thyristor Surge Protection Devices - TSPD 400V 500A SIDACtor DO-214AA

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Datasheet

1,504In Stock

Cut Tape

$1.70

$1.08

$0.721

$0.569

$0.519

Reel

$0.435

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

Varistors 20V 14mm Epoxy UltraMOV

V14E20PL1T
Littelfuse
1: $0.611
2,734In Stock

Mfr. Part No.
V14E20PL1T

Mouser Part No
576-V14E20PL1T

Littelfuse

Varistors 20V 14mm Epoxy UltraMOV

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Datasheet

2,734In Stock

Cut Tape

$0.611

$0.433

$0.39

$0.34

Reel

$0.295

View

Min.: 1
Mult.: 1

Reel: 500

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 5MM 250V 2POLE AXIAL LEADS GDT

GTCA25-251M-R02
Littelfuse
1: $2.69
726In Stock

Mfr. Part No.
GTCA25-251M-R02

Mouser Part No
650-GTCA25-251M-R02

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 5MM 250V 2POLE AXIAL LEADS GDT

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Datasheet

726In Stock

$2.69

$2.23

$2.06

$1.71

View

Min.: 1
Mult.: 1

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

GTCR36-231M-R10
Littelfuse
1: $3.04
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

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Datasheet

1,042In Stock

$3.04

$2.52

$2.33

$1.93

View

Min.: 1
Mult.: 1

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 3MM 75V 2POLE SMT GDT

GTCS23-750M-R01-2
Littelfuse
1: $1.13
31,900In Stock

Mfr. Part No.
GTCS23-750M-R01-2

Mouser Part No
650-GTCS23-750M-R012

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 3MM 75V 2POLE SMT GDT

Learn More

Datasheet

31,900In Stock

Cut Tape

$1.13

$0.952

$0.862

$0.725

View

Reel

$0.445

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,000

ESD Protection Diodes / TVS Diodes ESD 24V BI

AQ24CANA-02HTG
Littelfuse
1: $0.27
194,080In Stock

Mfr. Part No.
AQ24CANA-02HTG

Mouser Part No
576-AQ24CANA-02HTG

Littelfuse

ESD Protection Diodes / TVS Diodes ESD 24V BI

Learn More

Datasheet

194,080In Stock

Cut Tape

$0.27

$0.215

$0.195

$0.191

Reel

$0.181

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 600W 2 Channel Green Asymmetrical SOT23-

SM712-02HTG
Littelfuse
1: $0.64
118,307In Stock
106,400Expected 2026/06/22

Mfr. Part No.
SM712-02HTG

Mouser Part No
576-SM712-02HTG

Littelfuse

ESD Protection Diodes / TVS Diodes 600W 2 Channel Green Asymmetrical SOT23-

Learn More

Datasheet

118,307In Stock

106,400Expected 2026/06/22

Cut Tape

$0.64

$0.579

$0.449

$0.387

$0.354

Reel

$0.30

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 1.3pF 7A UNIDIRECTIONAL

SP4024-01FTG
Littelfuse
1: $0.37
414,567In Stock

Mfr. Part No.
SP4024-01FTG

Mouser Part No
576-SP4024-01FTG

Littelfuse

ESD Protection Diodes / TVS Diodes 1.3pF 7A UNIDIRECTIONAL

Learn More

Datasheet

414,567In Stock

Cut Tape

$0.37

$0.252

$0.243

$0.216

$0.197

Reel

$0.183

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

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

SPHV24-01ETG-C
Littelfuse
1: $0.20
258,970In Stock

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

258,970In Stock

Cut Tape

$0.20

$0.14

$0.099

$0.097

Reel

$0.09

MouseReel Available

Min.: 1
Mult.: 1

Reel: 10,000

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 75V SMD Ultra Low 0.3pF

CG675SM
Littelfuse
1: $2.69
1,477In Stock

Mfr. Part No.
CG675SM

Mouser Part No
576-CG675SM

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 75V SMD Ultra Low 0.3pF

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Datasheet

1,477In Stock

Cut Tape

$2.69

$2.24

$2.06

$1.71

View

Reel

$1.17

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,000

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors STANDARD 75V NOM

CG75L
Littelfuse
1: $2.95
1,001In Stock
1,050Expected 2026/04/17

Mfr. Part No.
CG75L

Mouser Part No
576-CG75L

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors STANDARD 75V NOM

Datasheet

1,001In Stock

1,050Expected 2026/04/17

$2.95

$2.31

$2.14

$1.98

View

Min.: 1
Mult.: 1

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP CG2 SMT TYPE

CG75MSTR
Littelfuse
1: $3.22
1,143In Stock

Mfr. Part No.
CG75MSTR

Mouser Part No
576-CG75MSTR

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP CG2 SMT TYPE

Datasheet

1,143In Stock

Cut Tape

$3.22

$2.97

$2.76

$2.26

View

Reel

$1.60

MouseReel Available

Min.: 1
Mult.: 1

Reel: 500

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

CG90LTR
Littelfuse
1: $3.68
1,499In Stock
1,000Expected 2026/03/27

Mfr. Part No.
CG90LTR

Mouser Part No
576-CG90LTR

Littelfuse

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

Datasheet

1,499In Stock

1,000Expected 2026/03/27

Cut Tape

$3.68

$2.90

$2.76

$2.33

View

Reel

$1.60

Min.: 1
Mult.: 1

Reel: 500

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

CG90MS
Littelfuse
1: $3.23
3,338In Stock

Mfr. Part No.
CG90MS

Mouser Part No
576-CG90MS

Littelfuse

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

Datasheet

3,338In Stock

Cut Tape

$3.23

$2.98

$2.76

$2.26

View

Reel

$1.60

MouseReel Available

Min.: 1
Mult.: 1

Reel: 500

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

LC03-3.3BTG
Littelfuse
1: $1.64
2,503In Stock
15,000On Order

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

2,503In Stock

15,000On Order

Cut Tape

$1.64

$1.40

$1.24

$1.22

Reel

$1.22

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 105-195V 2A GDT T/R 2 Term

SG150
Littelfuse
1: $1.49
2,816In Stock

Mfr. Part No.
SG150

Mouser Part No
576-SG150

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 105-195V 2A GDT T/R 2 Term

Learn More

Datasheet

2,816In Stock

Cut Tape

$1.49

$1.24

$1.15

$0.946

View

Reel

$0.852

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,000

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

SG350Q
Littelfuse
1: $1.54
3,009In Stock
4,000Expected 2026/05/21

Mfr. Part No.
SG350Q

Mouser Part No
576-SG350Q

Littelfuse

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

Learn More

Datasheet

3,009In Stock

4,000Expected 2026/05/21

Cut Tape

$1.54

$1.27

$1.17

$0.97

View

Reel

$0.651

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,000

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 300-500V 2A GDT T/R 2 Term

SG400
Littelfuse
1: $1.60
2,831In Stock

Mfr. Part No.
SG400

Mouser Part No
576-SG400

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 300-500V 2A GDT T/R 2 Term

Learn More

Datasheet

2,831In Stock

Cut Tape

$1.60

$1.34

$1.23

$1.02

View

Reel

$0.651

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,000

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 315-525V 2A GDT T/R 2 Term

SG420
Littelfuse
1: $1.26
2,600In Stock

Mfr. Part No.
SG420

Mouser Part No
576-SG420

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 315-525V 2A GDT T/R 2 Term

Learn More

Datasheet

2,600In Stock

Cut Tape

$1.26

$1.07

$0.994

$0.844

View

Reel

$0.651

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,000

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 52-98V 2A GDT T/R 2 Term

SG75
Littelfuse
1: $1.37
9,054In Stock

Mfr. Part No.
SG75

Mouser Part No
576-SG75

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 52-98V 2A GDT T/R 2 Term

Learn More

Datasheet

9,054In Stock

Cut Tape

$1.37

$1.19

$1.11

$0.994

View

Reel

$0.852

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,000

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 63-117V 2A GDT T/R 2 Term

SG90
Littelfuse
1: $1.31
2,334In Stock
6,000Expected 2026/03/27

Mfr. Part No.
SG90

Mouser Part No
576-SG90

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 63-117V 2A GDT T/R 2 Term

Learn More

Datasheet

2,334In Stock

6,000Expected 2026/03/27

Cut Tape

$1.31

$1.16

$1.08

$0.911

View

Reel

$0.651

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,000

General Port Protection Solutions

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General Port Protection Solutions

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