Circuit Protection – Mouser United Kingdom

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PLC Design Solutions

Littelfuse Programmable Logic Controller (PLC) Design Solutions feature products that address the evolving demands of industrial automation, artificial intelligence (AI), machine learning (ML), renewable energy, and electric vehicles (EVs). These PLC circuit protection and power control products are designed to meet these challenges with precision and reliability. The components improve system uptime and resilience, from safeguarding power supplies to ensuring the reliable switching of loads. This PLC Design Solutions lineup from Littelfuse helps streamline designs and speed up time to market while ensuring compliance with global safety standards.

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Types of Circuit Protection

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Results: 77

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Part #

Resettable Fuses - PPTC 30V 2.5A-HD 40A MAX

RUEF250U-0.148
Littelfuse
1: £0.533
48In Stock

Mfr. Part No.
RUEF250U-0.148

Mouser Part No
650-RUEF250U-0.148

Littelfuse

Resettable Fuses - PPTC 30V 2.5A-HD 40A MAX

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Datasheet

48In Stock

£0.533

£0.407

£0.34

£0.288

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC 30V 40A 0.90W PolySwitch Reset Dev

RUEF160S-RA
Littelfuse
1: £0.39
1,919In Stock

Mfr. Part No.
RUEF160S-RA

Mouser Part No
650-RUEF160S-RA

Littelfuse

Resettable Fuses - PPTC 30V 40A 0.90W PolySwitch Reset Dev

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Datasheet

1,919In Stock

£0.39

£0.296

£0.21

£0.203

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC 1.6A 30V 40A Imax

RUEF160-AP
Littelfuse
1: £0.375
3,998In Stock

Mfr. Part No.
RUEF160-AP

Mouser Part No
650-RUEF160-AP

Littelfuse

Resettable Fuses - PPTC 1.6A 30V 40A Imax

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Datasheet

3,998In Stock

Cut Tape

£0.375

£0.346

£0.287

£0.265

Reel

£0.168

View

Min.: 1
Mult.: 1

Reel: 2,000

Resettable Fuses - PPTC 1.85A 30V 100A Imax

RUEF185-2
Littelfuse
1: £0.383
5,256In Stock

Mfr. Part No.
RUEF185-2

Mouser Part No
650-RUEF185-2

Littelfuse

Resettable Fuses - PPTC 1.85A 30V 100A Imax

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Datasheet

5,256In Stock

Cut Tape

£0.383

£0.353

£0.292

£0.271

View

Reel

£0.205

Min.: 1
Mult.: 1

Reel: 3,000

Resettable Fuses - PPTC 1.1A 30V 40A Imax

RUEF110S-1
Littelfuse
1: £0.45
857In Stock

Mfr. Part No.
RUEF110S-1

Mouser Part No
650-RUEF110S-1

Littelfuse

Resettable Fuses - PPTC 1.1A 30V 40A Imax

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Datasheet

857In Stock

Cut Tape

£0.45

£0.344

£0.244

£0.236

Reel

£0.20

View

Min.: 1
Mult.: 1

Reel: 500

ESD Protection Diodes / TVS Diodes 12 KV .5pF Diode Array

SP7538PUTG
Littelfuse
1: £1.07
31,201In Stock
21,000Expected 22/04/2026

Mfr. Part No.
SP7538PUTG

Mouser Part No
576-SP7538PUTG

Littelfuse

ESD Protection Diodes / TVS Diodes 12 KV .5pF Diode Array

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Datasheet

31,201In Stock

21,000Expected 22/04/2026

Cut Tape

£1.07

£0.674

£0.448

£0.351

£0.325

Reel

£0.325

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

Resettable Fuses - PPTC .9A 30V 100A Imax

RUEF090
Littelfuse
1: £0.30
10,300In Stock
8,000Expected 19/02/2026

Mfr. Part No.
RUEF090

Mouser Part No
650-RUEF090

Littelfuse

Resettable Fuses - PPTC .9A 30V 100A Imax

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Datasheet

10,300In Stock

8,000Expected 19/02/2026

£0.30

£0.273

£0.227

£0.21

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC 1.1A 30V 100A Imax

RUEF110-2
Littelfuse
1: £0.361
9,246In Stock

Mfr. Part No.
RUEF110-2

Mouser Part No
650-RUEF110-2

Littelfuse

Resettable Fuses - PPTC 1.1A 30V 100A Imax

Learn More

Datasheet

9,246In Stock

Cut Tape

£0.361

£0.33

£0.275

£0.253

Reel

£0.153

View

Min.: 1
Mult.: 1

Reel: 3,000

Resettable Fuses - PPTC 1.35A 30V 100A Imax

RUEF135
Littelfuse
1: £0.315
7,619In Stock
4,000Expected 19/02/2026

Mfr. Part No.
RUEF135

Mouser Part No
650-RUEF135

Littelfuse

Resettable Fuses - PPTC 1.35A 30V 100A Imax

Learn More

Datasheet

7,619In Stock

4,000Expected 19/02/2026

£0.315

£0.285

£0.237

£0.218

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC 1.6A 30V 100A Imax

RUEF160
Littelfuse
1: £0.315
11,924In Stock

Mfr. Part No.
RUEF160

Mouser Part No
650-RUEF160

Littelfuse

Resettable Fuses - PPTC 1.6A 30V 100A Imax

Learn More

Datasheet

11,924In Stock

£0.315

£0.292

£0.242

£0.208

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC 1.85A 30V 100A Imax

RUEF185
Littelfuse
1: £0.308
25,719In Stock

Mfr. Part No.
RUEF185

Mouser Part No
650-RUEF185

Littelfuse

Resettable Fuses - PPTC 1.85A 30V 100A Imax

Learn More

Datasheet

25,719In Stock

£0.308

£0.272

£0.247

£0.224

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC 3A 30V 100A Imax

RUEF300
Littelfuse
1: £0.361
25,657In Stock

Mfr. Part No.
RUEF300

Mouser Part No
650-RUEF300

Littelfuse

Resettable Fuses - PPTC 3A 30V 100A Imax

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Datasheet

25,657In Stock

£0.361

£0.327

£0.272

£0.251

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC 4A 30V 100A Imax

RUEF400
Littelfuse
1: £0.421
16,131In Stock

Mfr. Part No.
RUEF400

Mouser Part No
650-RUEF400

Littelfuse

Resettable Fuses - PPTC 4A 30V 100A Imax

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Datasheet

16,131In Stock

£0.421

£0.385

£0.32

£0.295

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC 5A 30V 100A Imax

RUEF500
Littelfuse
1: £0.511
6,328In Stock

Mfr. Part No.
RUEF500

Mouser Part No
650-RUEF500

Littelfuse

Resettable Fuses - PPTC 5A 30V 100A Imax

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Datasheet

6,328In Stock

£0.511

£0.464

£0.386

£0.346

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC 6A 30V 100A Imax

RUEF600
Littelfuse
1: £0.54
6,513In Stock

Mfr. Part No.
RUEF600

Mouser Part No
650-RUEF600

Littelfuse

Resettable Fuses - PPTC 6A 30V 100A Imax

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Datasheet

6,513In Stock

£0.54

£0.496

£0.397

£0.378

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC 9A 30V 100A Imax

RUEF900
Littelfuse
1: £0.796
4,182In Stock
3,991Expected 24/03/2026

Mfr. Part No.
RUEF900

Mouser Part No
650-RUEF900

Littelfuse

Resettable Fuses - PPTC 9A 30V 100A Imax

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Datasheet

4,182In Stock

3,991Expected 24/03/2026

£0.796

£0.729

£0.605

£0.559

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC .9A 30V 100A Imax

RUEF090-2
Littelfuse
1: £0.353
3,278In Stock

Mfr. Part No.
RUEF090-2

Mouser Part No
650-RUEF090-2

Littelfuse

Resettable Fuses - PPTC .9A 30V 100A Imax

Learn More

Datasheet

3,278In Stock

Cut Tape

£0.353

£0.32

£0.271

£0.241

View

Reel

£0.159

Min.: 1
Mult.: 1

Reel: 3,000

Resettable Fuses - PPTC 30V 900MA 100A RUEF

RUEF090-AP
Littelfuse
1: £0.323
1,724In Stock

Mfr. Part No.
RUEF090-AP

Mouser Part No
650-RUEF090-AP

Littelfuse

Resettable Fuses - PPTC 30V 900MA 100A RUEF

Learn More

Datasheet

1,724In Stock

Cut Tape

£0.323

£0.293

£0.292

£0.259

View

Reel

£0.159

Min.: 1
Mult.: 1

Reel: 2,000

Resettable Fuses - PPTC 30V 1.1A-HD 100A RUEF

RUEF110-AP
Littelfuse
1: £0.361
1,966In Stock

Mfr. Part No.
RUEF110-AP

Mouser Part No
650-RUEF110-AP

Littelfuse

Resettable Fuses - PPTC 30V 1.1A-HD 100A RUEF

Learn More

Datasheet

1,966In Stock

Cut Tape

£0.361

£0.33

£0.275

£0.253

View

Reel

£0.162

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,000

Resettable Fuses - PPTC 1.1A 30V 40A Imax

RUEF110S
Littelfuse
1: £0.30
475In Stock

Mfr. Part No.
RUEF110S

Mouser Part No
650-RUEF110S

Littelfuse

Resettable Fuses - PPTC 1.1A 30V 40A Imax

Learn More

Datasheet

475In Stock

£0.30

£0.277

£0.23

£0.212

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC 1.35A 30V 40A Imax

RUEF135-2
Littelfuse
1: £0.368
4,845In Stock
3,000Expected 19/02/2026

Mfr. Part No.
RUEF135-2

Mouser Part No
650-RUEF135-2

Littelfuse

Resettable Fuses - PPTC 1.35A 30V 40A Imax

Learn More

Datasheet

4,845In Stock

3,000Expected 19/02/2026

Cut Tape

£0.368

£0.334

£0.282

£0.26

Reel

£0.157

View

Min.: 1
Mult.: 1

Reel: 3,000

Resettable Fuses - PPTC 30V 1.35A-HD 100A RUEF

RUEF135-AP
Littelfuse
1: £0.368
2,937In Stock

Mfr. Part No.
RUEF135-AP

Mouser Part No
650-RUEF135-AP

Littelfuse

Resettable Fuses - PPTC 30V 1.35A-HD 100A RUEF

Learn More

Datasheet

2,937In Stock

Cut Tape

£0.368

£0.34

£0.282

£0.26

View

Reel

£0.167

Min.: 1
Mult.: 1

Reel: 2,000

Resettable Fuses - PPTC 1.35A 30V 40A Imax

RUEF135S
Littelfuse
1: £0.315
105In Stock

Mfr. Part No.
RUEF135S

Mouser Part No
650-RUEF135S

Littelfuse

Resettable Fuses - PPTC 1.35A 30V 40A Imax

Learn More

Datasheet

105In Stock

£0.315

£0.285

£0.237

£0.218

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC 1.6A 30V 40A Imax

RUEF160-2
Littelfuse
1: £0.375
5,617In Stock

Mfr. Part No.
RUEF160-2

Mouser Part No
650-RUEF160-2

Littelfuse

Resettable Fuses - PPTC 1.6A 30V 40A Imax

Learn More

Datasheet

5,617In Stock

Cut Tape

£0.375

£0.346

£0.287

£0.265

Reel

£0.16

View

Min.: 1
Mult.: 1

Reel: 3,000

Resettable Fuses - PPTC 1.6A 30V 40A Imax

RUEF160S
Littelfuse
1: £0.315
1,089In Stock

Mfr. Part No.
RUEF160S

Mouser Part No
650-RUEF160S

Littelfuse

Resettable Fuses - PPTC 1.6A 30V 40A Imax

Learn More

Datasheet

1,089In Stock

£0.315

£0.292

£0.291

£0.237

View

Min.: 1
Mult.: 1

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