Circuit Protection – Mouser United Kingdom

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Ethernet ESD, Lightning, & Power Fault Protection

Littelfuse Ethernet/PoE ESD, EFT, Lightning, and Power Fault Protection ensures that the power fault overcurrent can be protected with Telelink fuses. The Ethernet Power Fault Protection includes the SMCJ and SP40 TVS Diode, SP3, SRV05xx, LC03xx, and SP40xx Diode Array, and the 0461xxx Fuse series. Littelfuse Ethernet/PoE ESD, EFT, Lightning, and Power Fault Protection products meet various applicable standards.

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Types of Circuit Protection

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Results: 308

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RoHS Compliant

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Part #

ESD Protection Diodes / TVS Diodes 1.3pF 7A UNIDIRECTIONAL

SP4024-01FTG
Littelfuse
1: £0.608
393,928In Stock

Mfr. Part No.
SP4024-01FTG

Mouser Part No
576-SP4024-01FTG

Littelfuse

ESD Protection Diodes / TVS Diodes 1.3pF 7A UNIDIRECTIONAL

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Datasheet

393,928In Stock

Cut Tape

£0.608

£0.292

£0.241

£0.184

£0.165

Reel

£0.144

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes 1.5kW 150V Hi Rel 5% Bi-Directional

SMCJ150CA-HRAT7
Littelfuse
1: £16.43
319In Stock

Mfr. Part No.
SMCJ150CA-HRAT7

Mouser Part No
576-SMCJ150CA-HRAT7

Littelfuse

ESD Protection Diodes / TVS Diodes 1.5kW 150V Hi Rel 5% Bi-Directional

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Datasheet

319In Stock

Cut Tape

£16.43

£14.18

£12.13

Reel

£12.13

View

MouseReel Available

Min.: 1
Mult.: 1

: 500

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP S.A. STANDARD 600V NOMINAL

CG5600L
Littelfuse
1: £1.88
1,221In Stock

Mfr. Part No.
CG5600L

Mouser Part No
576-CG5600L

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP S.A. STANDARD 600V NOMINAL

Datasheet

1,221In Stock

Cut Tape

£1.88

£1.44

£1.20

£1.10

Reel

£0.952

£0.908

Min.: 1
Mult.: 1

: 1,000

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

CG590L
Littelfuse
1: £2.17
3,361In Stock

Mfr. Part No.
CG590L

Mouser Part No
576-CG590L

Littelfuse

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

Datasheet

3,361In Stock

Cut Tape

£2.17

£1.67

£1.38

£1.27

Reel

£1.07

Min.: 1
Mult.: 1

: 1,000

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

SG420
Littelfuse
1: £0.698
2,525In 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

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Datasheet

2,525In Stock

Cut Tape

£0.698

£0.574

£0.507

£0.489

Reel

£0.489

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

ESD Protection Diodes / TVS Diodes .3pF 10KV 18V SOD8820

SP3118-01ETG
Littelfuse
1: £0.413
65,241In Stock

Mfr. Part No.
SP3118-01ETG

Mouser Part No
576-SP3118-01ETG

Littelfuse

ESD Protection Diodes / TVS Diodes .3pF 10KV 18V SOD8820

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Datasheet

65,241In Stock

Cut Tape

£0.413

£0.213

£0.175

£0.135

View

Reel

£0.082

MouseReel Available

Min.: 1
Mult.: 1

: 10,000

ESD Protection Diodes / TVS Diodes 4 Ch 8kV 0.65pF SPA

SP3003-04ATG
Littelfuse
1: £1.69
4,997In Stock

Mfr. Part No.
SP3003-04ATG

Mouser Part No
576-SP3003-04ATG

Littelfuse

ESD Protection Diodes / TVS Diodes 4 Ch 8kV 0.65pF SPA

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Datasheet

4,997In Stock

Cut Tape

£1.69

£0.663

£0.598

£0.502

View

Reel

£0.47

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 90V SMD Ultra Low 0.3pF

CG690SM
Littelfuse
1: £1.83
888In Stock
2,000Expected 29/10/2026

Mfr. Part No.
CG690SM

Mouser Part No
576-CG690SM

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 90V SMD Ultra Low 0.3pF

Learn More

Datasheet

888In Stock

2,000Expected 29/10/2026

Cut Tape

£1.83

£1.41

£1.16

£1.07

£0.995

Reel

£0.882

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

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

SG350
Littelfuse
1: £1.07
1,995In Stock

Mfr. Part No.
SG350

Mouser Part No
576-SG350

Littelfuse

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

Learn More

Datasheet

1,995In Stock

Cut Tape

£1.07

£0.818

£0.678

£0.627

£0.543

Reel

£0.489

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

ESD Protection Diodes / TVS Diodes 4 channels .65pF 8kV

SP3001-04JTG
Littelfuse
1: £1.00
83,980In Stock

Mfr. Part No.
SP3001-04JTG

Mouser Part No
576-SP3001-04JTG

Littelfuse

ESD Protection Diodes / TVS Diodes 4 channels .65pF 8kV

Datasheet

83,980In Stock

Cut Tape

£1.00

£0.496

£0.414

£0.322

Reel

£0.237

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes 2 channels .65pF

SP3003-02XTG
Littelfuse
1: £1.18
79,048In Stock

Mfr. Part No.
SP3003-02XTG

Mouser Part No
576-SP3003-02XTG

Littelfuse

ESD Protection Diodes / TVS Diodes 2 channels .65pF

Learn More

Datasheet

79,048In Stock

Cut Tape

£1.18

£0.627

£0.549

£0.431

Reel

£0.323

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Surface Mount Fuses 600VAC 2A .045ohms 461 NANO2

0461002.ER
Littelfuse
1: £1.48
25,008In Stock

Mfr. Part No.
0461002.ER

Mouser Part No
576-0461002.ER

Littelfuse

Surface Mount Fuses 600VAC 2A .045ohms 461 NANO2

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Datasheet

25,008In Stock

Cut Tape

£1.48

£1.32

£1.13

£0.995

View

Reel

£0.744

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

Surface Mount Fuses 600VAC 1.25A .104ohms 461 NANO2

04611.25ER
Littelfuse
1: £1.47
63,730In Stock
5,000Expected 01/10/2026

Mfr. Part No.
04611.25ER

Mouser Part No
576-04611.25ER

Littelfuse

Surface Mount Fuses 600VAC 1.25A .104ohms 461 NANO2

Learn More

Datasheet

63,730In Stock

5,000Expected 01/10/2026

Cut Tape

£1.47

£1.31

£1.13

£0.986

View

Reel

£0.533

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

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

LC03-3.3BTG
Littelfuse
1: £2.52
48,340In Stock

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

48,340In Stock

Cut Tape

£2.52

£1.37

£1.23

£0.995

£0.969

Reel

£0.969

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

ESD Protection Diodes / TVS Diodes 4 Ch 8kV 6V .45pF

SP3010-04UTG
Littelfuse
1: £1.05
106,162In Stock
56,700On Order

Mfr. Part No.
SP3010-04UTG

Mouser Part No
576-SP3010-04UTG

Littelfuse

ESD Protection Diodes / TVS Diodes 4 Ch 8kV 6V .45pF

Learn More

Datasheet

106,162In Stock

56,700On Order

Cut Tape

£1.05

£0.546

£0.437

£0.357

£0.334

Reel

£0.267

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes 6 Ch 8kV 6V 0.4 pF

SP3011-06UTG
Littelfuse
1: £0.89
55,664In Stock

Mfr. Part No.
SP3011-06UTG

Mouser Part No
576-SP3011-06UTG

Littelfuse

ESD Protection Diodes / TVS Diodes 6 Ch 8kV 6V 0.4 pF

Datasheet

55,664In Stock

Cut Tape

£0.89

£0.627

£0.526

£0.433

£0.395

Reel

£0.333

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes 1.3pF 15A BIDIRECTIONAL

SP4022-01FTG-C
Littelfuse
1: £0.684
134,085In Stock

Mfr. Part No.
SP4022-01FTG-C

Mouser Part No
576-SP4022-01FTG-C

Littelfuse

ESD Protection Diodes / TVS Diodes 1.3pF 15A BIDIRECTIONAL

Learn More

Datasheet

134,085In Stock

Cut Tape

£0.684

£0.321

£0.272

£0.209

£0.198

Reel

£0.163

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes 2 Ch 8kV 0.65pF SPA

SP3003-02JTG
Littelfuse
1: £0.96
26,714In Stock

Mfr. Part No.
SP3003-02JTG

Mouser Part No
576-SP3003-02JTG

Littelfuse

ESD Protection Diodes / TVS Diodes 2 Ch 8kV 0.65pF SPA

Learn More

Datasheet

26,714In Stock

Cut Tape

£0.96

£0.56

£0.485

£0.381

£0.346

Reel

£0.275

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes 4 Ch 8kV 0.65pF SPA

SP3003-04JTG
Littelfuse
1: £0.934
11,578In Stock
12,000Expected 22/09/2026

Mfr. Part No.
SP3003-04JTG

Mouser Part No
576-SP3003-04JTG

Littelfuse

ESD Protection Diodes / TVS Diodes 4 Ch 8kV 0.65pF SPA

Learn More

Datasheet

11,578In Stock

12,000Expected 22/09/2026

Cut Tape

£0.934

£0.457

£0.383

£0.299

£0.271

Reel

£0.211

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes 4 channels .65pF

SP3003-04XTG
Littelfuse
1: £0.978
8,380In Stock

Mfr. Part No.
SP3003-04XTG

Mouser Part No
576-SP3003-04XTG

Littelfuse

ESD Protection Diodes / TVS Diodes 4 channels .65pF

Learn More

Datasheet

8,380In Stock

Cut Tape

£0.978

£0.466

£0.402

£0.313

£0.298

Reel

£0.231

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes 2 CH 8KV 0.5pF

SP3006-02XTG
Littelfuse
1: £0.917
3,600In Stock

Mfr. Part No.
SP3006-02XTG

Mouser Part No
576-SP3006-02XTG

Littelfuse

ESD Protection Diodes / TVS Diodes 2 CH 8KV 0.5pF

Datasheet

3,600In Stock

Cut Tape

£0.917

£0.603

£0.503

£0.407

£0.357

Reel

£0.323

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes .3pF 10KV 28V 0201 Flipchip

SP3130-01WTG
Littelfuse
1: £0.405
31,470In Stock

Mfr. Part No.
SP3130-01WTG

Mouser Part No
576-SP3130-01WTG

Littelfuse

ESD Protection Diodes / TVS Diodes .3pF 10KV 28V 0201 Flipchip

Learn More

Datasheet

31,470In Stock

Cut Tape

£0.405

£0.213

£0.164

£0.134

View

Reel

£0.082

MouseReel Available

Min.: 1
Mult.: 1

: 10,000

Surface Mount Fuses 600VAC 0.5A .56ohms 461 NANO2

0461.500ER
Littelfuse
1: £1.81
3,614In Stock
5,000Expected 24/09/2026

Mfr. Part No.
0461.500ER

Mouser Part No
576-0461.500ER

Littelfuse

Surface Mount Fuses 600VAC 0.5A .56ohms 461 NANO2

Learn More

Datasheet

3,614In Stock

5,000Expected 24/09/2026

Cut Tape

£1.81

£1.64

£1.48

£1.27

View

Reel

£0.773

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

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

CG590LTR
Littelfuse
1: £2.03
1,013In Stock

Mfr. Part No.
CG590LTR

Mouser Part No
576-CG590LTR

Littelfuse

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

Datasheet

1,013In Stock

Cut Tape

£2.03

£1.55

£1.29

£1.19

Reel

£1.09

Min.: 1
Mult.: 1

: 1,000

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

CG6230SM
Littelfuse
1: £1.65
1,297In Stock

Mfr. Part No.
CG6230SM

Mouser Part No
576-CG6230SM

Littelfuse

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

Learn More

Datasheet

1,297In Stock

Cut Tape

£1.65

£1.52

£1.05

£0.978

Reel

£0.978

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

Ethernet ESD, Lightning, & Power Fault Protection

Types of Circuit Protection

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