.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 (993)

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; }

Select a category below to see filtering options and narrow down your search.

Part #

Varistors 25V 20mm Epoxy UltraMOV

V20E25P
Littelfuse
1: $1.47
1,537In Stock

Mfr. Part No.
V20E25P

Mouser Part No
576-V20E25P

Littelfuse

Varistors 25V 20mm Epoxy UltraMOV

Learn More

Datasheet

1,537In Stock

$1.47

$0.90

$0.802

$0.659

View

Min.: 1
Mult.: 1

Varistors 30V 20mm Epoxy UltraMOV

V20E30P
Littelfuse
1: $1.46
2,575In Stock

Mfr. Part No.
V20E30P

Mouser Part No
576-V20E30P

Littelfuse

Varistors 30V 20mm Epoxy UltraMOV

Learn More

Datasheet

2,575In Stock

$1.46

$0.899

$0.801

$0.658

View

Min.: 1
Mult.: 1

Varistors 40V 20mm Epoxy UltraMOV

V20E40P
Littelfuse
1: $1.47
2,480In Stock

Mfr. Part No.
V20E40P

Mouser Part No
576-V20E40P

Littelfuse

Varistors 40V 20mm Epoxy UltraMOV

Learn More

Datasheet

2,480In Stock

$1.47

$0.90

$0.802

$0.659

View

Min.: 1
Mult.: 1

Varistors 50V 20mm Epoxy UltraMOV

V20E50P
Littelfuse
1: $1.06
1,247In Stock
500Expected 02/03/2026

Mfr. Part No.
V20E50P

Mouser Part No
576-V20E50P

Littelfuse

Varistors 50V 20mm Epoxy UltraMOV

Learn More

Datasheet

1,247In Stock

500Expected 02/03/2026

$1.06

$0.655

$0.594

$0.496

View

Min.: 1
Mult.: 1

Varistors 60V 20mm Epoxy UltraMOV

V20E60P
Littelfuse
1: $1.06
3,692In Stock

Mfr. Part No.
V20E60P

Mouser Part No
576-V20E60P

Littelfuse

Varistors 60V 20mm Epoxy UltraMOV

Learn More

Datasheet

3,692In Stock

$1.06

$0.733

$0.666

$0.544

View

Min.: 1
Mult.: 1

Varistors 23V 20mm Phenolic UltraMOV

V20P23P
Littelfuse
1: $0.80
641In Stock

Mfr. Part No.
V20P23P

Mouser Part No
576-V20P23P

Littelfuse

Varistors 23V 20mm Phenolic UltraMOV

Learn More

Datasheet

641In Stock

$0.80

$0.574

$0.517

$0.455

$0.421

Min.: 1
Mult.: 1

Varistors 25V 20mm Phenolic UltraMOV

V20P25P
Littelfuse
1: $1.55
1,198In Stock

Mfr. Part No.
V20P25P

Mouser Part No
576-V20P25P

Littelfuse

Varistors 25V 20mm Phenolic UltraMOV

Learn More

Datasheet

1,198In Stock

$1.55

$0.959

$0.882

$0.725

View

Min.: 1
Mult.: 1

Varistors 30V 20mm Phenolic UltraMOV

V20P30P
Littelfuse
1: $1.55
772In Stock

Mfr. Part No.
V20P30P

Mouser Part No
576-V20P30P

Littelfuse

Varistors 30V 20mm Phenolic UltraMOV

Learn More

Datasheet

772In Stock

$1.55

$0.959

$0.882

$0.725

View

Min.: 1
Mult.: 1

Varistors 40V 20mm Phenolic UltraMOV

V20P40P
Littelfuse
1: $1.55
524In Stock

Mfr. Part No.
V20P40P

Mouser Part No
576-V20P40P

Littelfuse

Varistors 40V 20mm Phenolic UltraMOV

Learn More

Datasheet

524In Stock

$1.55

$0.814

$0.755

$0.634

View

Min.: 1
Mult.: 1

Varistors 60V 20mm Phenolic UltraMOV

V20P60P
Littelfuse
1: $1.27
1,263In Stock

Mfr. Part No.
V20P60P

Mouser Part No
576-V20P60P

Littelfuse

Varistors 60V 20mm Phenolic UltraMOV

Learn More

Datasheet

1,263In Stock

$1.27

$0.787

$0.74

$0.604

View

Min.: 1
Mult.: 1

Varistors 75V 20mm Phenolic UltraMOV

V20P75P
Littelfuse
1: $1.26
177In Stock

Mfr. Part No.
V20P75P

Mouser Part No
576-V20P75P

Littelfuse

Varistors 75V 20mm Phenolic UltraMOV

Learn More

Datasheet

177In Stock

$1.26

$0.786

$0.739

$0.603

View

Min.: 1
Mult.: 1

Varistors 95V 20mm Phenolic UltraMOV

V20P95P
Littelfuse
1: $1.26
1,340In Stock

Mfr. Part No.
V20P95P

Mouser Part No
576-V20P95P

Littelfuse

Varistors 95V 20mm Phenolic UltraMOV

Learn More

Datasheet

1,340In Stock

$1.26

$0.786

$0.738

$0.602

View

Min.: 1
Mult.: 1

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 140V 8mm 10KA 2POLE

GTCA28-141M-R10
Littelfuse
1: $2.48
745In Stock

Mfr. Part No.
GTCA28-141M-R10

Mouser Part No
650-GTCA28-141M-R10

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 140V 8mm 10KA 2POLE

Learn More

Datasheet

745In Stock

$2.48

$2.06

$1.91

$1.58

View

Min.: 1
Mult.: 1

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 8MM 350V 2POLE AXIAL LEADS GDT

GTCA28-351M-R10
Littelfuse
1: $2.48
50In Stock

Mfr. Part No.
GTCA28-351M-R10

Mouser Part No
650-GTCA28-351M-R10

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 8MM 350V 2POLE AXIAL LEADS GDT

Learn More

Datasheet

50In Stock

$2.48

$2.06

$1.90

$1.58

View

Min.: 1
Mult.: 1

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 3MM 350V 2POLE CHIP TYPE SMT

GTCS23-351M-R01-2
Littelfuse
1: $1.08
10In Stock

Mfr. Part No.
GTCS23-351M-R01-2

Mouser Part No
650-GTCS23-351MR01-2

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 3MM 350V 2POLE CHIP TYPE SMT

Learn More

Datasheet

10In Stock

Cut Tape

$1.08

$0.894

$0.825

$0.685

View

Reel

$0.482

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,000

Surface Mount Fuses TELECOM NANO2 250V 16mm TAPE 1.25A

04611.25ER16
Littelfuse
1: $1.55
1,015In Stock

Mfr. Part No.
04611.25ER16

Mouser Part No
576-04611.25ER16

Littelfuse

Surface Mount Fuses TELECOM NANO2 250V 16mm TAPE 1.25A

Learn More

Datasheet

1,015In Stock

Cut Tape

$1.55

$1.39

$1.30

$1.08

View

Reel

$0.656

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

Varistors RADIAL VARISTOR 05MM ROHS/LEAD FREE

V05E40PL1T
Littelfuse
1: $0.69
998In Stock
10,000Expected 30/03/2026

Mfr. Part No.
V05E40PL1T

Mouser Part No
576-V05E40PL1T

Littelfuse

Varistors RADIAL VARISTOR 05MM ROHS/LEAD FREE

Learn More

Datasheet

998In Stock

10,000Expected 30/03/2026

Cut Tape

$0.69

$0.419

$0.277

$0.257

Reel

$0.175

View

Min.: 1
Mult.: 1

Reel: 1,000

Varistors 60V 10mm Epoxy UltraMOV

V10E60P
Littelfuse
1: $0.78
1,214In Stock

Mfr. Part No.
V10E60P

Mouser Part No
576-V10E60P

Littelfuse

Varistors 60V 10mm Epoxy UltraMOV

Learn More

Datasheet

1,214In Stock

$0.78

$0.47

$0.325

$0.302

View

Min.: 1
Mult.: 1

Varistors 250V 14mm Epoxy UltraMOV

V14E250PL2T1
Littelfuse
1: $1.06
2,588In Stock

Mfr. Part No.
V14E250PL2T1

Mouser Part No
576-V14E250PL2T1

Littelfuse

Varistors 250V 14mm Epoxy UltraMOV

Learn More

Datasheet

2,588In Stock

Cut Tape

$1.06

$0.648

$0.563

$0.459

Reel

$0.363

View

Min.: 1
Mult.: 1

Reel: 500

ESD Protection Diodes / TVS Diodes 3.3V Diode Array

SP4042-02UTG
Littelfuse
1: $1.64
9,000On Order

Mfr. Part No.
SP4042-02UTG

Mouser Part No
576-SP4042-02UTG

Littelfuse

ESD Protection Diodes / TVS Diodes 3.3V Diode Array

Learn More

Datasheet

9,000On Order

Cut Tape

$1.64

$1.46

Reel

$1.42

$1.40

Quote

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes ESD 6V UNI

SRV05-4HTG-D
Littelfuse
1: $1.19
61,722Expected 08/04/2026

Mfr. Part No.
SRV05-4HTG-D

Mouser Part No
576-SRV05-4HTG-D

Littelfuse

ESD Protection Diodes / TVS Diodes ESD 6V UNI

Learn More

Datasheet

61,722Expected 08/04/2026

Cut Tape

$1.19

$0.799

$0.531

$0.413

Reel

$0.324

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

Varistors 40V 5mm Epoxy UltraMOV

V05E40P
Littelfuse
1: $0.67
10In Stock
4,500Expected 12/05/2026

Mfr. Part No.
V05E40P

Mouser Part No
576-V05E40P

Littelfuse

Varistors 40V 5mm Epoxy UltraMOV

Learn More

Datasheet

10In Stock

4,500Expected 12/05/2026

$0.67

$0.40

$0.265

$0.246

View

Min.: 1
Mult.: 1

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

CG75LTR
Littelfuse
1: $2.79
2,269Expected 03/04/2026

Mfr. Part No.
CG75LTR

Mouser Part No
576-CG75LTR

Littelfuse

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

Datasheet

2,269Expected 03/04/2026

Cut Tape

$2.79

$2.49

$2.30

$2.00

View

Reel

$1.61

Min.: 1
Mult.: 1

Reel: 500

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

CG75MS
Littelfuse
1: $3.17
1,953On Order

Mfr. Part No.
CG75MS

Mouser Part No
576-CG75MS

Littelfuse

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

Datasheet

1,953On Order

Cut Tape

$3.17

$2.76

$2.55

$2.16

View

Reel

$1.61

MouseReel Available

Min.: 1
Mult.: 1

Reel: 500

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

CG90L
Littelfuse
1: $2.48
4,315Expected 07/05/2026

Mfr. Part No.
CG90L

Mouser Part No
576-CG90L

Littelfuse

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

Datasheet

4,315Expected 07/05/2026

$2.48

$2.07

$1.98

$1.78

View

Min.: 1
Mult.: 1

General Port Protection Solutions

All Results (993)

Customer Service Office

Company

Resources

Support

General Port Protection Solutions

All Results (993)

Circuit Protection

Semiconductors

Industrial Automation

Sensors