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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 0.3pF SOT23-6L 4 Ch Diode Array

SP3019-04HTG
Littelfuse
1: $1.40
12,146In Stock

Mfr. Part No.
SP3019-04HTG

Mouser Part No
576-SP3019-04HTG

Littelfuse

ESD Protection Diodes / TVS Diodes 0.3pF SOT23-6L 4 Ch Diode Array

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Datasheet

12,146In Stock

Cut Tape

$1.40

$0.657

$0.551

$0.437

$0.413

Reel

$0.301

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes 1 Ch 22kV 9.2V .15pF SOD882

SP3522-01ETG
Littelfuse
1: $0.585
82,170In Stock

Mfr. Part No.
SP3522-01ETG

Mouser Part No
576-SP3522-01ETG

Littelfuse

ESD Protection Diodes / TVS Diodes 1 Ch 22kV 9.2V .15pF SOD882

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Datasheet

82,170In Stock

Cut Tape

$0.585

$0.273

$0.209

$0.16

Reel

$0.094

View

MouseReel Available

Min.: 1
Mult.: 1

: 10,000

ESD Protection Diodes / TVS Diodes 1.3pF 12A BIDIRECTIONAL

SP4023-01FTG-C
Littelfuse
1: $0.979
11,873In Stock
36,000Expected 29/10/2026

Mfr. Part No.
SP4023-01FTG-C

Mouser Part No
576-SP4023-01FTG-C

Littelfuse

ESD Protection Diodes / TVS Diodes 1.3pF 12A BIDIRECTIONAL

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Datasheet

11,873In Stock

36,000Expected 29/10/2026

Cut Tape

$0.979

$0.698

$0.479

$0.401

Reel

$0.283

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes 3.3V Diode Array

SP4042-02UTG
Littelfuse
1: $6.24
6,083In Stock
6,000Expected 2/11/2026

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

6,083In Stock

6,000Expected 2/11/2026

Cut Tape

$6.24

$3.40

$3.02

$2.61

$2.41

Reel

$2.00

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes 1.5pF 30kV

SP4044-04ATG
Littelfuse
1: $1.73
8,686In Stock

Mfr. Part No.
SP4044-04ATG

Mouser Part No
576-SP4044-04ATG

Littelfuse

ESD Protection Diodes / TVS Diodes 1.5pF 30kV

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Datasheet

8,686In Stock

Cut Tape

$1.73

$1.19

$0.978

$0.811

View

Reel

$0.57

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

ESD Protection Diodes / TVS Diodes 1.5pF 30kV

SP4045-04ATG
Littelfuse
1: $1.67
8,907In Stock
8,000Expected 27/8/2026

Mfr. Part No.
SP4045-04ATG

Mouser Part No
576-SP4045-04ATG

Littelfuse

ESD Protection Diodes / TVS Diodes 1.5pF 30kV

Learn More

Datasheet

8,907In Stock

8,000Expected 27/8/2026

Cut Tape

$1.67

$1.12

$0.906

$0.755

Reel

$0.525

View

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

ESD Protection Diodes / TVS Diodes 8 Ch 30kV 2.5V 4.4pF

SP4060-08ATG
Littelfuse
1: $2.45
3,802In Stock

Mfr. Part No.
SP4060-08ATG

Mouser Part No
576-SP4060-08ATG

Littelfuse

ESD Protection Diodes / TVS Diodes 8 Ch 30kV 2.5V 4.4pF

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Datasheet

3,802In Stock

Cut Tape

$2.45

$1.41

$1.13

$0.968

Reel

$0.732

View

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

ESD Protection Diodes / TVS Diodes 1CH 24V 2000W UNI

SPHV24-01ETG
Littelfuse
1: $0.653
36,446In Stock
120,000On Order

Mfr. Part No.
SPHV24-01ETG

Mouser Part No
576-SPHV24-01ETG

Littelfuse

ESD Protection Diodes / TVS Diodes 1CH 24V 2000W UNI

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Datasheet

36,446In Stock

120,000On Order

Cut Tape

$0.653

$0.305

$0.256

$0.20

View

Reel

$0.107

MouseReel Available

Min.: 1
Mult.: 1

: 10,000

Varistors RADIAL VARISTOR 05MM ROHS/LEAD FREE

V05E40PL1T
Littelfuse
1: $0.639
10,998In Stock

Mfr. Part No.
V05E40PL1T

Mouser Part No
576-V05E40PL1T

Littelfuse

Varistors RADIAL VARISTOR 05MM ROHS/LEAD FREE

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Datasheet

10,998In Stock

Cut Tape

$0.639

$0.396

$0.343

$0.317

Reel

$0.252

View

Min.: 1
Mult.: 1

: 1,000

Varistors 40V 5mm Epoxy UltraMOV

V05E40PL2T5
Littelfuse
1: $0.558
10,000In Stock

Mfr. Part No.
V05E40PL2T5

Mouser Part No
576-V05E40PL2T5

Littelfuse

Varistors 40V 5mm Epoxy UltraMOV

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Datasheet

10,000In Stock

Cut Tape

$0.558

$0.345

$0.299

$0.277

$0.264

Reel

$0.222

Min.: 1
Mult.: 1

: 1,000

Varistors 300V 14mm Epoxy UltraMOV

V14E300P
Littelfuse
1: $0.775
9,627In Stock

Mfr. Part No.
V14E300P

Mouser Part No
576-V14E300P

Littelfuse

Varistors 300V 14mm Epoxy UltraMOV

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Datasheet

9,627In Stock

$0.775

$0.544

$0.488

$0.427

View

Min.: 1
Mult.: 1

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

V5.5MLA0402NR
Littelfuse
1: $0.517
51,693In Stock
30,000Expected 26/1/2027

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

51,693In Stock

30,000Expected 26/1/2027

Cut Tape

$0.517

$0.32

$0.276

$0.256

View

Reel

$0.189

MouseReel Available

Min.: 1
Mult.: 1

: 10,000

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

XGD10603MR
Littelfuse
1: $1.05
77,869In Stock
12,000Expected 2/9/2026

Mfr. Part No.
XGD10603MR

Mouser Part No
576-XGD10603MR

Littelfuse

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

Learn More

Datasheet

77,869In Stock

12,000Expected 2/9/2026

Cut Tape

$1.05

$0.563

$0.472

$0.362

Reel

$0.276

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

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

XGD10603NR
Littelfuse
1: $1.13
9,991In Stock
5,000Expected 6/10/2026

Mfr. Part No.
XGD10603NR

Mouser Part No
576-XGD10603NR

Littelfuse

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

Learn More

Datasheet

9,991In Stock

5,000Expected 6/10/2026

Cut Tape

$1.13

$0.597

$0.458

$0.351

Reel

$0.243

View

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

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

GTCA26-101M-R05
Littelfuse
1: $3.71
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

Learn More

Datasheet

2,023In Stock

$3.71

$2.79

$2.35

$2.18

View

Min.: 1
Mult.: 1

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 8MM 2700V 2POLE AXIAL LEADS HV GDT

GTCA28-272L-R03
Littelfuse
1: $6.30
2,951In Stock

Mfr. Part No.
GTCA28-272L-R03

Mouser Part No
650-GTCA28-272L-R03

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 8MM 2700V 2POLE AXIAL LEADS HV GDT

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Datasheet

2,951In Stock

$6.30

$4.81

$3.98

$3.67

View

Min.: 1
Mult.: 1

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 3MM 150V 2POLE CHIP TYPE SMT

GTCC23-151M-R01-2
Littelfuse
1: $1.54
4,190In Stock

Mfr. Part No.
GTCC23-151M-R01-2

Mouser Part No
650-GTCC23-151MR01-2

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 3MM 150V 2POLE CHIP TYPE SMT

Learn More

Datasheet

4,190In Stock

Cut Tape

$1.54

$1.17

$0.97

$0.90

$0.887

Reel

$0.84

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 75V 2.5KA 2POLE

GTCS25-750M-R02-2
Littelfuse
1: $3.55
3,236In Stock
3,000Expected 10/11/2026

Mfr. Part No.
GTCS25-750M-R02-2

Mouser Part No
650-GTCS25-750MR02-2

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 75V 2.5KA 2POLE

Learn More

Datasheet

3,236In Stock

3,000Expected 10/11/2026

Cut Tape

$3.55

$2.72

$2.28

$2.14

Reel

$2.14

MouseReel Available

Min.: 1
Mult.: 1

: 1,500

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 5MM 75V 3POLE SMT GDT

GTCS35-750M-R05
Littelfuse
1: $2.24
6,443In Stock

Mfr. Part No.
GTCS35-750M-R05

Mouser Part No
650-GTCS35-750M-R05

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 5MM 75V 3POLE SMT GDT

Learn More

Datasheet

6,443In Stock

$2.24

$1.73

$1.43

$1.31

$1.12

Min.: 1
Mult.: 1

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 5MM 75V 3POLE SMT GDT

GTCS35-750M-R05-2
Littelfuse
1: $2.50
9,393In Stock
43,000On Order

Mfr. Part No.
GTCS35-750M-R05-2

Mouser Part No
650-GTCS35-750MR05-2

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 5MM 75V 3POLE SMT GDT

Learn More

Datasheet

9,393In Stock

43,000On Order

Cut Tape

$2.50

$1.92

$1.59

$1.55

Reel

$1.44

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 6MM 90V 3POLE SMT GDT

GTCS36-900M-R10-2
Littelfuse
1: $4.72
4,818In Stock

Mfr. Part No.
GTCS36-900M-R10-2

Mouser Part No
650-GTCS36-900M-R102

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 6MM 90V 3POLE SMT GDT

Learn More

Datasheet

4,818In Stock

Cut Tape

$4.72

$3.16

$2.61

$2.48

Reel

$2.09

$1.99

MouseReel Available

Min.: 1
Mult.: 1

: 750

Resettable Fuses - PPTC Polyswitch 0.13A

TSV250-130F-2
Littelfuse
1: $1.51
27,389In Stock

Mfr. Part No.
TSV250-130F-2

Mouser Part No
650-TSV250-130F-2

Littelfuse

Resettable Fuses - PPTC Polyswitch 0.13A

Learn More

Datasheet

27,389In Stock

Cut Tape

$1.51

$1.34

$1.14

$1.06

Reel

$0.626

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,200

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

GTCA28-141M-R20
Littelfuse
1: $3.86
49In 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

49In Stock

$3.86

$2.96

$2.39

$2.34

Min.: 1
Mult.: 1

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

GTCA28-601M-R10
Littelfuse
1: $3.06
129In Stock

Mfr. Part No.
GTCA28-601M-R10

Mouser Part No
650-GTCA28-601M-R10

Littelfuse

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

Learn More

Datasheet

129In Stock

$3.06

$2.34

$1.94

$1.81

Min.: 1
Mult.: 1

Cartridge Fuses 250V .01A Slo-Blo 3AG

0313.010HXP
Littelfuse
1: $8.65
9In Stock
200Expected 28/10/2026

Mfr. Part No.
0313.010HXP

Mouser Part No
576-0313.010HXP

Littelfuse

Cartridge Fuses 250V .01A Slo-Blo 3AG

Learn More

Datasheet

9In Stock

200Expected 28/10/2026

$8.65

$7.18

$6.62

$5.49

View

Min.: 1
Mult.: 1

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