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
393,938In 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

393,938In Stock

Cut Tape

£0.608

£0.378

£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

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

Learn More

Datasheet

4,997In Stock

Cut Tape

£1.69

£0.721

£0.635

£0.533

View

Reel

£0.47

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

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

£1.07

Reel

£0.925

£0.908

Min.: 1
Mult.: 1

: 1,000

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

CG590L
Littelfuse
1: £2.17
3,469In Stock

Mfr. Part No.
CG590L

Mouser Part No
576-CG590L

Littelfuse

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

Datasheet

3,469In 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: £0.818
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

£0.818

£0.631

£0.533

£0.498

£0.489

Reel

£0.489

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

ESD Protection Diodes / TVS Diodes 1 Ch 22kV 8.2V .3pF UNI 0201 DFN

SP3530-01UTG
Littelfuse
1: £0.188
13,760In Stock

Mfr. Part No.
SP3530-01UTG

Mouser Part No
576-SP3530-01UTG

Littelfuse

ESD Protection Diodes / TVS Diodes 1 Ch 22kV 8.2V .3pF UNI 0201 DFN

Learn More

Datasheet

13,760In Stock

Cut Tape

£0.188

£0.087

£0.066

£0.053

View

Reel

£0.045

MouseReel Available

Min.: 1
Mult.: 1

: 15,000

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 2 channels .65pF

SP3003-02XTG
Littelfuse
1: £0.899
37,438In Stock
42,000Expected 20/08/2026

Mfr. Part No.
SP3003-02XTG

Mouser Part No
576-SP3003-02XTG

Littelfuse

ESD Protection Diodes / TVS Diodes 2 channels .65pF

Learn More

Datasheet

37,438In Stock

42,000Expected 20/08/2026

Cut Tape

£0.899

£0.603

£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: £1.46
25,059In Stock

Mfr. Part No.
0461002.ER

Mouser Part No
576-0461002.ER

Littelfuse

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

Learn More

Datasheet

25,059In Stock

Cut Tape

£1.46

£1.31

£1.19

£1.00

View

Reel

£0.728

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

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

LC03-3.3BTG
Littelfuse
1: £2.43
49,800In 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

49,800In Stock

Cut Tape

£2.43

£1.58

£1.23

£1.00

£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: £1.07
107,098In Stock
57,000Expected 01/02/2027

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

107,098In Stock

57,000Expected 01/02/2027

Cut Tape

£1.07

£0.546

£0.442

£0.362

£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: £0.986
34,671In Stock
21,000On Order

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

34,671In Stock

21,000On Order

Cut Tape

£0.986

£0.627

£0.526

£0.433

£0.403

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: £0.676
83,422In Stock
57,000Expected 27/08/2026

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

83,422In Stock

57,000Expected 27/08/2026

Cut Tape

£0.676

£0.321

£0.272

£0.209

£0.188

Reel

£0.163

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

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

SP3001-04JTG
Littelfuse
1: £0.934
16,293In Stock
72,000Expected 13/10/2026

Mfr. Part No.
SP3001-04JTG

Mouser Part No
576-SP3001-04JTG

Littelfuse

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

Datasheet

16,293In Stock

72,000Expected 13/10/2026

Cut Tape

£0.934

£0.496

£0.383

£0.322

Reel

£0.237

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

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

SP3003-02JTG
Littelfuse
1: £0.969
15,564In Stock
15,000Expected 29/09/2026

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

15,564In Stock

15,000Expected 29/09/2026

Cut Tape

£0.969

£0.56

£0.443

£0.387

£0.366

Reel

£0.275

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

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

SP3130-01WTG
Littelfuse
1: £0.405
31,674In 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

31,674In 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: £1.82
5,609In Stock
5,000Expected 03/11/2026

Mfr. Part No.
0461.500ER

Mouser Part No
576-0461.500ER

Littelfuse

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

Learn More

Datasheet

5,609In Stock

5,000Expected 03/11/2026

Cut Tape

£1.82

£1.65

£1.46

£1.23

View

Reel

£0.773

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

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

04611.25ER
Littelfuse
1: £1.48
17,787In Stock
52,500On Order

Mfr. Part No.
04611.25ER

Mouser Part No
576-04611.25ER

Littelfuse

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

Learn More

Datasheet

17,787In Stock

52,500On Order

Cut Tape

£1.48

£1.32

£1.11

£0.96

View

Reel

£0.533

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

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

CG675SM
Littelfuse
1: £1.83
3,803In Stock

Mfr. Part No.
CG675SM

Mouser Part No
576-CG675SM

Littelfuse

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

Learn More

Datasheet

3,803In Stock

Cut Tape

£1.83

£1.41

£1.16

£1.07

£0.978

Reel

£0.978

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

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

SG230
Littelfuse
1: £1.07
2,485In Stock

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

2,485In Stock

Cut Tape

£1.07

£0.818

£0.678

£0.625

£0.576

Reel

£0.538

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

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

SG300
Littelfuse
1: £1.07
6,135In Stock
8,000Expected 24/09/2026

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

6,135In Stock

8,000Expected 24/09/2026

Cut Tape

£1.07

£0.986

£0.74

£0.627

£0.588

Reel

£0.538

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

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

SG75
Littelfuse
1: £1.07
4,917In Stock
18,000On Order

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

4,917In Stock

18,000On Order

Cut Tape

£1.07

£0.818

£0.69

Reel

£0.69

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

Ethernet ESD, Lightning, & Power Fault Protection

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