Circuit Protection – Mouser United Kingdom

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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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Results: 992

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Part #

ESD Protection Diodes / TVS Diodes 1.3pF 12A UNIDIRECTIONAL

SP4023-01FTG
Littelfuse
1: £0.353
8,004In Stock

Mfr. Part No.
SP4023-01FTG

Mouser Part No
576-SP4023-01FTG

Littelfuse

ESD Protection Diodes / TVS Diodes 1.3pF 12A UNIDIRECTIONAL

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Datasheet

8,004In Stock

Cut Tape

£0.353

£0.238

£0.173

£0.145

£0.137

Reel

£0.137

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

Thyristor Surge Protection Devices - TSPD 500A 190V

P2300SCLRP
Littelfuse
1: £1.28
2,338In Stock

Mfr. Part No.
P2300SCLRP

Mouser Part No
576-P2300SCLRP

Littelfuse

Thyristor Surge Protection Devices - TSPD 500A 190V

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Datasheet

2,338In Stock

Cut Tape

£1.28

£0.428

£0.359

£0.334

£0.327

Reel

£0.327

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

Varistors 50V 7mm Epoxy UltraMOV

V07E50P
Littelfuse
1: £0.21
10,839In Stock

Mfr. Part No.
V07E50P

Mouser Part No
576-V07E50P

Littelfuse

Varistors 50V 7mm Epoxy UltraMOV

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Datasheet

10,839In Stock

£0.21

£0.129

£0.111

£0.103

View

Min.: 1
Mult.: 1

Varistors 11V 10mm Epoxy UltraMOV

V10E11P
Littelfuse
1: £0.346
3,291In Stock

Mfr. Part No.
V10E11P

Mouser Part No
576-V10E11P

Littelfuse

Varistors 11V 10mm Epoxy UltraMOV

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Datasheet

3,291In Stock

£0.346

£0.292

£0.262

£0.228

View

Min.: 1
Mult.: 1

Thyristor Surge Protection Devices - TSPD 500A 320V

P3500SCLRP
Littelfuse
1: £1.29
2,938In Stock

Mfr. Part No.
P3500SCLRP

Mouser Part No
576-P3500SCLRP

Littelfuse

Thyristor Surge Protection Devices - TSPD 500A 320V

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Datasheet

2,938In Stock

Cut Tape

£1.29

£0.818

£0.406

£0.356

Reel

£0.347

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

Varistors 275V 14mm Epoxy UltraMOV

V14E275PL1T
Littelfuse
1: £0.428
3,284In Stock

Mfr. Part No.
V14E275PL1T

Mouser Part No
576-V14E275PL1T

Littelfuse

Varistors 275V 14mm Epoxy UltraMOV

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Datasheet

3,284In Stock

Cut Tape

£0.428

£0.30

£0.27

£0.235

Reel

£0.187

View

Min.: 1
Mult.: 1

Reel: 500

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 5MM 250V 2POLE AXIAL LEADS GDT

GTCA25-251M-R02
Littelfuse
1: £2.02
726In Stock

Mfr. Part No.
GTCA25-251M-R02

Mouser Part No
650-GTCA25-251M-R02

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 5MM 250V 2POLE AXIAL LEADS GDT

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Datasheet

726In Stock

£2.02

£1.68

£1.55

£1.28

View

Min.: 1
Mult.: 1

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 6MM 230V 3POLE RADIAL LEADS GDT

GTCR36-231M-R10
Littelfuse
1: £2.28
1,042In Stock

Mfr. Part No.
GTCR36-231M-R10

Mouser Part No
650-GTCR36-231M-R10

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 6MM 230V 3POLE RADIAL LEADS GDT

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Datasheet

1,042In Stock

£2.28

£1.89

£1.75

£1.45

View

Min.: 1
Mult.: 1

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 3MM 75V 2POLE SMT GDT

GTCS23-750M-R01-2
Littelfuse
1: £0.849
30,731In Stock

Mfr. Part No.
GTCS23-750M-R01-2

Mouser Part No
650-GTCS23-750M-R012

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 3MM 75V 2POLE SMT GDT

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Datasheet

30,731In Stock

Cut Tape

£0.849

£0.715

£0.647

£0.544

View

Reel

£0.334

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,000

Cartridge Fuses 500Vac 400Vdc TL 8A 5X20

0477008.MXP
Littelfuse
1: £1.86
12,330In Stock

Mfr. Part No.
0477008.MXP

Mouser Part No
576-0477008.MXP

Littelfuse

Cartridge Fuses 500Vac 400Vdc TL 8A 5X20

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Datasheet

12,330In Stock

£1.86

£1.72

£1.63

£1.32

View

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes ESD 24V BI

AQ24CANA-02HTG
Littelfuse
1: £0.203
194,060In Stock

Mfr. Part No.
AQ24CANA-02HTG

Mouser Part No
576-AQ24CANA-02HTG

Littelfuse

ESD Protection Diodes / TVS Diodes ESD 24V BI

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Datasheet

194,060In Stock

Cut Tape

£0.203

£0.162

£0.147

£0.143

Reel

£0.136

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 600W 2 Channel Green Asymmetrical SOT23-

SM712-02HTG
Littelfuse
1: £0.48
113,962In Stock
106,400Expected 22/06/2026

Mfr. Part No.
SM712-02HTG

Mouser Part No
576-SM712-02HTG

Littelfuse

ESD Protection Diodes / TVS Diodes 600W 2 Channel Green Asymmetrical SOT23-

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Datasheet

113,962In Stock

106,400Expected 22/06/2026

Cut Tape

£0.48

£0.435

£0.337

£0.291

£0.265

Reel

£0.225

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 1.3pF 7A UNIDIRECTIONAL

SP4024-01FTG
Littelfuse
1: £0.278
414,567In 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

414,567In Stock

Cut Tape

£0.278

£0.189

£0.182

£0.162

Reel

£0.148

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 1CH 24V 200W BI

SPHV24-01ETG-C
Littelfuse
1: £0.15
234,510In Stock

Mfr. Part No.
SPHV24-01ETG-C

Mouser Part No
576-SPHV24-01ETG-C

Littelfuse

ESD Protection Diodes / TVS Diodes 1CH 24V 200W BI

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Datasheet

234,510In Stock

Cut Tape

£0.15

£0.105

£0.074

£0.072

Reel

£0.067

MouseReel Available

Min.: 1
Mult.: 1

Reel: 10,000

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

CG675SM
Littelfuse
1: £2.02
1,477In Stock

Mfr. Part No.
CG675SM

Mouser Part No
576-CG675SM

Littelfuse

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

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Datasheet

1,477In Stock

Cut Tape

£2.02

£1.68

£1.55

£1.28

View

Reel

£0.882

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,000

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors STANDARD 75V NOM

CG75L
Littelfuse
1: £2.22
1,001In Stock
1,050Expected 17/04/2026

Mfr. Part No.
CG75L

Mouser Part No
576-CG75L

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors STANDARD 75V NOM

Datasheet

1,001In Stock

1,050Expected 17/04/2026

£2.22

£1.74

£1.61

£1.48

View

Min.: 1
Mult.: 1

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

CG90LTR
Littelfuse
1: £2.76
1,499In Stock
1,000Expected 23/02/2026

Mfr. Part No.
CG90LTR

Mouser Part No
576-CG90LTR

Littelfuse

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

Datasheet

1,499In Stock

1,000Expected 23/02/2026

Cut Tape

£2.76

£2.17

£2.07

£1.75

View

Reel

£1.20

Min.: 1
Mult.: 1

Reel: 500

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

CG90MS
Littelfuse
1: £2.43
3,288In Stock

Mfr. Part No.
CG90MS

Mouser Part No
576-CG90MS

Littelfuse

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

Datasheet

3,288In Stock

Cut Tape

£2.43

£2.23

£2.07

£1.69

View

Reel

£1.20

MouseReel Available

Min.: 1
Mult.: 1

Reel: 500

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

LC03-3.3BTG
Littelfuse
1: £1.23
2,087In Stock
15,000On Order

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

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Datasheet

2,087In Stock

15,000On Order

Cut Tape

£1.23

£1.05

£0.934

£0.917

Reel

£0.917

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 105-195V 2A GDT T/R 2 Term

SG150
Littelfuse
1: £1.12
2,816In Stock

Mfr. Part No.
SG150

Mouser Part No
576-SG150

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 105-195V 2A GDT T/R 2 Term

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Datasheet

2,816In Stock

Cut Tape

£1.12

£0.934

£0.863

£0.71

View

Reel

£0.64

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,000

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

SG350Q
Littelfuse
1: £1.15
3,009In Stock
4,000Expected 21/05/2026

Mfr. Part No.
SG350Q

Mouser Part No
576-SG350Q

Littelfuse

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

Learn More

Datasheet

3,009In Stock

4,000Expected 21/05/2026

Cut Tape

£1.15

£0.952

£0.882

£0.728

View

Reel

£0.489

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,000

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 300-500V 2A GDT T/R 2 Term

SG400
Littelfuse
1: £1.20
2,326In Stock

Mfr. Part No.
SG400

Mouser Part No
576-SG400

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 300-500V 2A GDT T/R 2 Term

Learn More

Datasheet

2,326In Stock

Cut Tape

£1.20

£1.00

£0.925

£0.766

View

Reel

£0.489

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,000

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

SG420
Littelfuse
1: £0.943
2,600In 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

Learn More

Datasheet

2,600In Stock

Cut Tape

£0.943

£0.803

£0.746

£0.634

View

Reel

£0.489

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,000

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

SG75
Littelfuse
1: £1.03
8,904In Stock

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

8,904In Stock

Cut Tape

£1.03

£0.89

£0.834

£0.746

View

Reel

£0.64

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,000

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

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