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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 2.5pF 25A BI for Surge Protection

SP4021-01FTG-C
Littelfuse
1: Rp5.504
57.475In Stock

Mfr. Part No.
SP4021-01FTG-C

Mouser Part No
576-SP4021-01FTG-C

Littelfuse

ESD Protection Diodes / TVS Diodes 2.5pF 25A BI for Surge Protection

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Datasheet

57.475In Stock

Cut Tape

Rp5.504

Rp4.770

Rp4.183

Rp4.128

Reel

Rp3.853

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3.000

ESD Protection Diodes / TVS Diodes 1.3pF 15A UNIDIRECTIONAL

SP4022-01FTG
Littelfuse
1: Rp9.907
65.822In Stock

Mfr. Part No.
SP4022-01FTG

Mouser Part No
576-SP4022-01FTG

Littelfuse

ESD Protection Diodes / TVS Diodes 1.3pF 15A UNIDIRECTIONAL

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Datasheet

65.822In Stock

Cut Tape

Rp9.907

Rp6.439

Rp4.220

Rp3.853

Reel

Rp3.119

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3.000

ESD Protection Diodes / TVS Diodes 1.3pF 15A BIDIRECTIONAL

SP4022-01FTG-C
Littelfuse
1: Rp7.522
46.526In Stock

Mfr. Part No.
SP4022-01FTG-C

Mouser Part No
576-SP4022-01FTG-C

Littelfuse

ESD Protection Diodes / TVS Diodes 1.3pF 15A BIDIRECTIONAL

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Datasheet

46.526In Stock

Cut Tape

Rp7.522

Rp5.504

Rp4.348

Rp4.110

Reel

Rp3.633

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3.000

ESD Protection Diodes / TVS Diodes 1.3pF 7A BIDIRECTIONAL

SP4024-01FTG-C
Littelfuse
1: Rp8.256
22.647In Stock

Mfr. Part No.
SP4024-01FTG-C

Mouser Part No
576-SP4024-01FTG-C

Littelfuse

ESD Protection Diodes / TVS Diodes 1.3pF 7A BIDIRECTIONAL

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Datasheet

22.647In Stock

Cut Tape

Rp8.256

Rp7.082

Rp6.146

Rp4.825

Reel

Rp3.633

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3.000

ESD Protection Diodes / TVS Diodes 1.5pF 30kV

SP4045-04ATG
Littelfuse
1: Rp9.356
9.414In Stock

Mfr. Part No.
SP4045-04ATG

Mouser Part No
576-SP4045-04ATG

Littelfuse

ESD Protection Diodes / TVS Diodes 1.5pF 30kV

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Datasheet

9.414In Stock

Cut Tape

Rp9.356

Rp8.311

Rp8.256

Rp7.448

Reel

Rp6.751

Rp6.733

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4.000

Varistors 275V 14mm Epoxy UltraMOV

V14E275P
Littelfuse
1: Rp7.889
6.592In Stock
3.500Expected 18/03/2026

Mfr. Part No.
V14E275P

Mouser Part No
576-V14E275P

Littelfuse

Varistors 275V 14mm Epoxy UltraMOV

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Datasheet

6.592In Stock

3.500Expected 18/03/2026

Rp7.889

Rp5.614

Rp4.458

Min.: 1
Mult.: 1

Varistors 300V 14mm Epoxy UltraMOV

V14E300P
Littelfuse
1: Rp8.990
9.531In Stock

Mfr. Part No.
V14E300P

Mouser Part No
576-V14E300P

Littelfuse

Varistors 300V 14mm Epoxy UltraMOV

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Datasheet

9.531In Stock

Rp8.990

Rp6.384

Rp5.724

Rp4.972

View

Min.: 1
Mult.: 1

Varistors 30V 14mm Epoxy UltraMOV

V14E30P
Littelfuse
1: Rp10.641
5.598In Stock

Mfr. Part No.
V14E30P

Mouser Part No
576-V14E30P

Littelfuse

Varistors 30V 14mm Epoxy UltraMOV

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Datasheet

5.598In Stock

Rp10.641

Rp7.595

Rp6.825

Rp5.962

View

Min.: 1
Mult.: 1

Varistors 5.5 VDC .05J 21V-CL 185PF P

V5.5MLA0402NR
Littelfuse
1: Rp6.054
38.421In Stock

Mfr. Part No.
V5.5MLA0402NR

Mouser Part No
576-V5.5MLA0402NR

Littelfuse

Varistors 5.5 VDC .05J 21V-CL 185PF P

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Datasheet

38.421In Stock

Cut Tape

Rp6.054

Rp3.743

Rp3.211

Rp2.954

View

Reel

Rp2.165

MouseReel Available

Min.: 1
Mult.: 1

Reel: 10.000

ESD Protection Diodes / TVS Diodes 0603 32VDC .09pF

XGD10603MR
Littelfuse
1: Rp4.953
42.234In Stock
22.000Expected 11/08/2026

Mfr. Part No.
XGD10603MR

Mouser Part No
576-XGD10603MR

Littelfuse

ESD Protection Diodes / TVS Diodes 0603 32VDC .09pF

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Datasheet

42.234In Stock

22.000Expected 11/08/2026

Cut Tape

Rp4.953

Rp4.256

Rp4.238

Rp4.091

Reel

Rp3.559

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 1.000

ESD Protection Diodes / TVS Diodes 0603 32VDC .09pF

XGD10603NR
Littelfuse
1: Rp11.925
9.769In Stock

Mfr. Part No.
XGD10603NR

Mouser Part No
576-XGD10603NR

Littelfuse

ESD Protection Diodes / TVS Diodes 0603 32VDC .09pF

Learn More

Datasheet

9.769In Stock

Cut Tape

Rp11.925

Rp7.118

Rp5.779

Rp4.403

Reel

Rp3.137

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5.000

Resettable Fuses - PPTC Polyswitch 0.13A

TSV250-130F-2
Littelfuse
1: Rp17.796
12.405In Stock
9.600On Order

Mfr. Part No.
TSV250-130F-2

Mouser Part No
650-TSV250-130F-2

Littelfuse

Resettable Fuses - PPTC Polyswitch 0.13A

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Datasheet

12.405In Stock

9.600On Order

Cut Tape

Rp17.796

Rp15.943

Rp13.539

Rp12.494

Reel

Rp7.742

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 1.200

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors STANDARD 110V NOM

CG110L
Littelfuse
1: Rp58.891
357In Stock

Mfr. Part No.
CG110L

Mouser Part No
576-CG110L

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors STANDARD 110V NOM

Datasheet

357In Stock

Rp58.891

Rp48.800

Rp44.948

Rp37.426

View

Min.: 1
Mult.: 1

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

CG590MS
Littelfuse
1: Rp50.085
457In Stock

Mfr. Part No.
CG590MS

Mouser Part No
576-CG590MS

Littelfuse

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

Datasheet

457In Stock

Cut Tape

Rp50.085

Rp45.315

Rp42.563

Rp35.591

View

Reel

Rp26.051

MouseReel Available

Min.: 1
Mult.: 1

Reel: 900

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 230V SMD Ultra Low 0.3pF

CG6230SM
Littelfuse
1: Rp44.581
669In Stock

Mfr. Part No.
CG6230SM

Mouser Part No
576-CG6230SM

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 230V SMD Ultra Low 0.3pF

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Datasheet

669In Stock

Cut Tape

Rp44.581

Rp41.279

Rp39.260

Rp31.739

View

Reel

Rp21.648

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2.000

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

CG90LSN
Littelfuse
1: Rp58.891
37In Stock

Mfr. Part No.
CG90LSN

Mouser Part No
576-CG90LSN

Littelfuse

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

Datasheet

37In Stock

Rp58.891

Rp52.836

Rp51.002

Rp36.692

View

Min.: 1
Mult.: 1

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP S.A. STANDARD 90V MS

CG90MSTR
Littelfuse
1: Rp65.862
450In Stock

Mfr. Part No.
CG90MSTR

Mouser Part No
576-CG90MSTR

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP S.A. STANDARD 90V MS

Datasheet

450In Stock

Cut Tape

Rp65.862

Rp54.671

Rp50.452

Rp41.829

View

Reel

Rp29.537

MouseReel Available

Min.: 1
Mult.: 1

Reel: 500

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 172-288V 2A GDT T/R 2 Term

SG230
Littelfuse
1: Rp24.400
1.255In Stock
2.000Expected 23/02/2026

Mfr. Part No.
SG230

Mouser Part No
576-SG230

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 172-288V 2A GDT T/R 2 Term

Learn More

Datasheet

1.255In Stock

2.000Expected 23/02/2026

Cut Tape

Rp24.400

Rp21.465

Rp19.997

Rp16.897

View

Reel

Rp11.943

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2.000

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 225-375V 2A GDT T/R 2 Term

SG300
Littelfuse
1: Rp27.702
190In Stock
2.000Expected 23/04/2026

Mfr. Part No.
SG300

Mouser Part No
576-SG300

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 225-375V 2A GDT T/R 2 Term

Learn More

Datasheet

190In Stock

2.000Expected 23/04/2026

Cut Tape

Rp27.702

Rp23.850

Rp22.199

Rp18.236

View

Reel

Rp11.943

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2.000

ESD Protection Diodes / TVS Diodes 30KV 15V 30A TVS Diod uDFN-2

SP1115-01UTG
Littelfuse
1: Rp7.155
4.946In Stock

Mfr. Part No.
SP1115-01UTG

Mouser Part No
576-SP1115-01UTG

Littelfuse

ESD Protection Diodes / TVS Diodes 30KV 15V 30A TVS Diod uDFN-2

Learn More

Datasheet

4.946In Stock

Cut Tape

Rp7.155

Rp4.843

Rp2.275

Reel

Rp1.963

Rp1.743

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3.000

ESD Protection Diodes / TVS Diodes 30KV 24V 20A TVS Diod uDFN-2

SP1124-01UTG
Littelfuse
1: Rp3.853
8.594In Stock

Mfr. Part No.
SP1124-01UTG

Mouser Part No
576-SP1124-01UTG

Littelfuse

ESD Protection Diodes / TVS Diodes 30KV 24V 20A TVS Diod uDFN-2

Learn More

Datasheet

8.594In Stock

Cut Tape

Rp3.853

Rp2.862

Rp2.000

Reel

Rp1.963

Rp1.743

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3.000

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 5MM 400V 2POLE AXIAL LEADS GDT

GTCA25-401M-R02
Littelfuse
1: Rp56.506
191In Stock

Mfr. Part No.
GTCA25-401M-R02

Mouser Part No
650-GTCA25-401M-R02

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 5MM 400V 2POLE AXIAL LEADS GDT

Learn More

Datasheet

191In Stock

Rp56.506

Rp50.452

Rp48.800

Rp38.343

View

Min.: 1
Mult.: 1

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 5MM 500V 2POLE AXIAL LEADS GDT

GTCA25-501M-R02
Littelfuse
1: Rp49.351
439In Stock

Mfr. Part No.
GTCA25-501M-R02

Mouser Part No
650-GTCA25-501M-R02

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 5MM 500V 2POLE AXIAL LEADS GDT

Learn More

Datasheet

439In Stock

Rp49.351

Rp40.912

Rp37.793

Rp31.372

View

Min.: 1
Mult.: 1

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 8MM 1200V 2POLE AXIAL LEAD HV GDT

GTCA28-122M-R03
Littelfuse
1: Rp73.934
441In Stock

Mfr. Part No.
GTCA28-122M-R03

Mouser Part No
650-GTCA28-122M-R03

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 8MM 1200V 2POLE AXIAL LEAD HV GDT

Learn More

Datasheet

441In Stock

Rp73.934

Rp68.064

Rp65.862

Rp51.736

View

Min.: 1
Mult.: 1

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 140V 8mm 20KA 2POLE

GTCA28-141M-R20
Littelfuse
1: Rp57.606
61In Stock

Mfr. Part No.
GTCA28-141M-R20

Mouser Part No
650-GTCA28-141M-R20

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 140V 8mm 20KA 2POLE

Learn More

Datasheet

61In Stock

Rp57.606

Rp47.700

Rp40.545

Rp36.692

View

Min.: 1
Mult.: 1

General Port Protection Solutions

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