Circuit Protection – Mouser United Kingdom

.hide-partial { max-height: none; } .show-more { display: none; }

Data Center Solutions

Littelfuse Data Center Solutions help make the data center reliable, energy efficient, and safe. These solutions provide overcurrent protection, transient voltage suppression, sensors, and power conversion components needed to keep facilities operating efficiently and reliably. Littelfuse provides Data Center Solutions for computing equipment, networking and data ports, and uninterruptible power supplies.

.catnav-wrapper { height: auto; overflow: visible; } .catalog-nav-tabs ul { white-space: normal; }

Types of Circuit Protection

List Images

Results: 655

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; }

Part #

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 63-117V 2A GDT T/R 2 Term

SG90
Littelfuse
1: £0.986
2,334In Stock
6,000Expected 23/02/2026

Mfr. Part No.
SG90

Mouser Part No
576-SG90

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 63-117V 2A GDT T/R 2 Term

Learn More

Datasheet

2,334In Stock

6,000Expected 23/02/2026

Cut Tape

£0.986

£0.871

£0.811

£0.684

View

Reel

£0.489

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,000

ESD Protection Diodes / TVS Diodes 5V .2pF 20kV 4CH

SP1004U-ULC-04UTG
Littelfuse
1: £0.48
23,723In Stock

Mfr. Part No.
SP1004U-ULC-04UTG

Mouser Part No
576-SP1004UULC-04UTG

Littelfuse

ESD Protection Diodes / TVS Diodes 5V .2pF 20kV 4CH

Learn More

Datasheet

23,723In Stock

Cut Tape

£0.48

£0.36

£0.253

£0.217

£0.195

Reel

£0.178

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 30KV 2.5V 2.5pF 40A Diode Array uDFN-10

SP2555NUTG
Littelfuse
1: £0.608
6,768In Stock

Mfr. Part No.
SP2555NUTG

Mouser Part No
576-SP2555NUTG

Littelfuse

ESD Protection Diodes / TVS Diodes 30KV 2.5V 2.5pF 40A Diode Array uDFN-10

Learn More

Datasheet

6,768In Stock

Cut Tape

£0.608

£0.557

Reel

£0.557

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes TVS ARRAY

SP3213-01UTG
Littelfuse
1: £0.203
86,587In Stock

Mfr. Part No.
SP3213-01UTG

Mouser Part No
576-SP3213-01UTG

Littelfuse

ESD Protection Diodes / TVS Diodes TVS ARRAY

Learn More

Datasheet

86,587In Stock

Cut Tape

£0.203

£0.16

£0.132

£0.12

£0.113

Reel

£0.113

MouseReel Available

Min.: 1
Mult.: 1

Reel: 15,000

ESD Protection Diodes / TVS Diodes 1pF uDFN-6L 2 Ch Diode Array

SP3400-02UTG
Littelfuse
1: £0.292
18,704In Stock
12,000Expected 19/05/2026

Mfr. Part No.
SP3400-02UTG

Mouser Part No
576-SP3400-02UTG

Littelfuse

ESD Protection Diodes / TVS Diodes 1pF uDFN-6L 2 Ch Diode Array

Learn More

Datasheet

18,704In Stock

12,000Expected 19/05/2026

Cut Tape

£0.292

£0.217

£0.213

£0.21

Reel

£0.179

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 1.5pF 30kV

SP4044-04ATG
Littelfuse
1: £0.39
11,094In Stock

Mfr. Part No.
SP4044-04ATG

Mouser Part No
576-SP4044-04ATG

Littelfuse

ESD Protection Diodes / TVS Diodes 1.5pF 30kV

Learn More

Datasheet

11,094In Stock

Cut Tape

£0.39

£0.367

£0.345

Reel

£0.341

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4,000

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

SP4060-08ATG
Littelfuse
1: £0.473
2,512In Stock
4,000Expected 28/04/2026

Mfr. Part No.
SP4060-08ATG

Mouser Part No
576-SP4060-08ATG

Littelfuse

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

Learn More

Datasheet

2,512In Stock

4,000Expected 28/04/2026

Cut Tape

£0.473

£0.466

£0.464

£0.457

£0.455

Reel

£0.413

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4,000

ESD Protection Diodes / TVS Diodes 3.3V 20A Lightning Surge Prot

SP4065-08ATG
Littelfuse
1: £1.02
9,019In Stock
7,900Expected 03/04/2026

Mfr. Part No.
SP4065-08ATG

Mouser Part No
576-SP4065-08ATG

Littelfuse

ESD Protection Diodes / TVS Diodes 3.3V 20A Lightning Surge Prot

Learn More

Datasheet

9,019In Stock

7,900Expected 03/04/2026

Cut Tape

£1.02

£0.796

£0.635

£0.526

£0.462

Reel

£0.401

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4,000

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

0461.500ER
Littelfuse
1: £1.62
4,494In Stock
7,734Expected 29/05/2026

Mfr. Part No.
0461.500ER

Mouser Part No
576-0461.500ER

Littelfuse

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

Learn More

Datasheet

4,494In Stock

7,734Expected 29/05/2026

Cut Tape

£1.62

£1.48

£1.41

£1.13

View

Reel

£0.721

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

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

0461002.ER
Littelfuse
1: £1.02
7,257In Stock
5,000Expected 28/05/2026

Mfr. Part No.
0461002.ER

Mouser Part No
576-0461002.ER

Littelfuse

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

Learn More

Datasheet

7,257In Stock

5,000Expected 28/05/2026

Cut Tape

£1.02

£0.908

£0.856

£0.708

View

Reel

£0.56

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

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

04611.25ER
Littelfuse
1: £1.02
18,552In Stock

Mfr. Part No.
04611.25ER

Mouser Part No
576-04611.25ER

Littelfuse

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

Learn More

Datasheet

18,552In Stock

Cut Tape

£1.02

£0.908

£0.856

£0.708

View

Reel

£0.423

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

Cartridge Fuses 450V 3AB PT 12A

0505012.MXEP
Littelfuse
1: £4.43
1,009In Stock

Mfr. Part No.
0505012.MXEP

Mouser Part No
576-0505012.MXEP

Littelfuse

Cartridge Fuses 450V 3AB PT 12A

Learn More

Datasheet

1,009In Stock

£4.43

£4.17

£4.02

£3.13

View

Min.: 1
Mult.: 1

Cartridge Fuses 450V 3AB 12A

0505012.MXP
Littelfuse
1: £3.95
1,750In Stock

Mfr. Part No.
0505012.MXP

Mouser Part No
576-0505012.MXP

Littelfuse

Cartridge Fuses 450V 3AB 12A

Learn More

Datasheet

1,750In Stock

£3.95

£3.68

£3.56

£2.76

View

Min.: 1
Mult.: 1

Cartridge Fuses 500V 15A 3AB PT PB-FREE

0505015.MXEP
Littelfuse
1: £4.10
759In Stock

Mfr. Part No.
0505015.MXEP

Mouser Part No
576-0505015.MXEP

Littelfuse

Cartridge Fuses 500V 15A 3AB PT PB-FREE

Learn More

Datasheet

759In Stock

£4.10

£3.36

£3.11

£2.49

View

Min.: 1
Mult.: 1

Cartridge Fuses 500V 15A 3AB PB-FREE

0505015.MXP
Littelfuse
1: £4.67
2,875In Stock

Mfr. Part No.
0505015.MXP

Mouser Part No
576-0505015.MXP

Littelfuse

Cartridge Fuses 500V 15A 3AB PB-FREE

Learn More

Datasheet

2,875In Stock

£4.67

£3.44

£3.30

£2.82

View

Min.: 1
Mult.: 1

Cartridge Fuses 500V 16A 3AB PB-FREE

0505016.MXP
Littelfuse
1: £4.47
1,377In Stock
1,000Expected 11/03/2026

Mfr. Part No.
0505016.MXP

Mouser Part No
576-0505016.MXP

Littelfuse

Cartridge Fuses 500V 16A 3AB PB-FREE

Learn More

Datasheet

1,377In Stock

1,000Expected 11/03/2026

£4.47

£4.21

£4.05

£3.15

View

Min.: 1
Mult.: 1

Cartridge Fuses 500V 20A 3AB PT PB-FREE

0505020.MXEP
Littelfuse
1: £4.64
1,972In Stock

Mfr. Part No.
0505020.MXEP

Mouser Part No
576-0505020.MXEP

Littelfuse

Cartridge Fuses 500V 20A 3AB PT PB-FREE

Learn More

Datasheet

1,972In Stock

£4.64

£4.43

£4.34

£3.90

Min.: 1
Mult.: 1

Cartridge Fuses 500V 20A 3AB PB-FREE

0505020.MXP
Littelfuse
1: £4.47
562In Stock
1,770On Order

Mfr. Part No.
0505020.MXP

Mouser Part No
576-0505020.MXP

Littelfuse

Cartridge Fuses 500V 20A 3AB PB-FREE

Learn More

Datasheet

562In Stock

1,770On Order

£4.47

£4.21

£4.05

£3.15

View

Min.: 1
Mult.: 1

Cartridge Fuses 500V 25A 3AB PB-FREE

0505025.MXP
Littelfuse
1: £5.07
1,559In Stock

Mfr. Part No.
0505025.MXP

Mouser Part No
576-0505025.MXP

Littelfuse

Cartridge Fuses 500V 25A 3AB PB-FREE

Learn More

Datasheet

1,559In Stock

£5.07

£4.68

£4.50

£3.46

View

Min.: 1
Mult.: 1

Cartridge Fuses 500V 30A 3AB PT PB-FREE

0505030.MXEP
Littelfuse
1: £6.82
1,874In Stock

Mfr. Part No.
0505030.MXEP

Mouser Part No
576-0505030.MXEP

Littelfuse

Cartridge Fuses 500V 30A 3AB PT PB-FREE

Learn More

Datasheet

1,874In Stock

£6.82

£4.81

Min.: 1
Mult.: 1

Cartridge Fuses 500V 30A 3AB PB-FREE

0505030.MXP
Littelfuse
1: £5.08
1,606In Stock
2,000Expected 18/05/2026

Mfr. Part No.
0505030.MXP

Mouser Part No
576-0505030.MXP

Littelfuse

Cartridge Fuses 500V 30A 3AB PB-FREE

Learn More

Datasheet

1,606In Stock

2,000Expected 18/05/2026

£5.08

£3.99

£3.80

£3.05

£2.92

Min.: 1
Mult.: 1

Surface Mount Fuses 75VDC 80A .56ohms 881 NANO2

0881080.UR
Littelfuse
1: £11.51
287In Stock
500Expected 02/07/2026

Mfr. Part No.
0881080.UR

Mouser Part No
576-0881080.UR

Littelfuse

Surface Mount Fuses 75VDC 80A .56ohms 881 NANO2

Learn More

Datasheet

287In Stock

500Expected 02/07/2026

Cut Tape

£11.51

£9.59

£8.85

£7.34

View

Reel

£6.00

MouseReel Available

Min.: 1
Mult.: 1

Reel: 500

Surface Mount Fuses 75VDC 100A .45ohms 881 NANO2

0881100.UR
Littelfuse
1: £17.70
657In Stock

Mfr. Part No.
0881100.UR

Mouser Part No
576-0881100.UR

Littelfuse

Surface Mount Fuses 75VDC 100A .45ohms 881 NANO2

Learn More

Datasheet

657In Stock

Cut Tape

£17.70

£16.27

£14.92

£13.46

Reel

£13.46

MouseReel Available

Min.: 1
Mult.: 1

Reel: 500

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

CG590L
Littelfuse
1: £2.40
3,790In Stock

Mfr. Part No.
CG590L

Mouser Part No
576-CG590L

Littelfuse

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

Datasheet

3,790In Stock

Cut Tape

£2.40

£2.00

£1.84

£1.53

View

Reel

£1.07

Min.: 1
Mult.: 1

Reel: 1,000

ESD Protection Diodes / TVS Diodes 1.5kW 58V 5% Uni-Directional

SMCJ58A
Littelfuse
1: £0.203
41,796In Stock

Mfr. Part No.
SMCJ58A

Mouser Part No
576-SMCJ58A

Littelfuse

ESD Protection Diodes / TVS Diodes 1.5kW 58V 5% Uni-Directional

Learn More

Datasheet

41,796In Stock

Cut Tape

£0.203

£0.169

£0.152

£0.141

£0.14

Reel

£0.113

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

Data Center Solutions

Types of Circuit Protection

Customer Service Office

Company

Resources

Support