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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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Part #

Resettable Fuses - PPTC 8A 30V 100A Imax

RUEF800
Littelfuse
1: $0.94
6,527In Stock

Mfr. Part No.
RUEF800

Mouser Part No
650-RUEF800

Littelfuse

Resettable Fuses - PPTC 8A 30V 100A Imax

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Datasheet

6,527In Stock

$0.94

$0.856

$0.661

$0.659

View

Min.: 1
Mult.: 1

Coded Rotary Switches 4Pos SP4T, Thru Hole RTE DIP Switch

RTE0400V04
C&K
1: $4.22
3,333In Stock

Mfr. Part No.
RTE0400V04

Mouser Part No
611-RTE0400V04

C&K

Coded Rotary Switches 4Pos SP4T, Thru Hole RTE DIP Switch

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Datasheet

3,333In Stock

$4.22

$3.54

$3.27

$2.92

View

Min.: 1
Mult.: 1

Coded Rotary Switches 16 FLUSH SCRDRV 0.1A 30VDC LW PRO DIP SW

RTE1600V44
C&K
1: $4.26
3,023In Stock

Mfr. Part No.
RTE1600V44

Mouser Part No
611-RTE1600V44

C&K

Coded Rotary Switches 16 FLUSH SCRDRV 0.1A 30VDC LW PRO DIP SW

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Datasheet

3,023In Stock

$4.26

$3.35

$3.11

$2.90

View

Min.: 1
Mult.: 1

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

RUEF090-2
Littelfuse
1: $0.54
4,966In Stock

Mfr. Part No.
RUEF090-2

Mouser Part No
650-RUEF090-2

Littelfuse

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

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Datasheet

4,966In Stock

Cut Tape

$0.54

$0.476

$0.413

$0.358

View

Reel

$0.233

Min.: 1
Mult.: 1

: 3,000

Resettable Fuses - PPTC 30V 900MA 100A RUEF

RUEF090-AP
Littelfuse
1: $0.47
1,614In Stock

Mfr. Part No.
RUEF090-AP

Mouser Part No
650-RUEF090-AP

Littelfuse

Resettable Fuses - PPTC 30V 900MA 100A RUEF

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Datasheet

1,614In Stock

Cut Tape

$0.47

$0.426

$0.354

$0.327

View

Reel

$0.249

Min.: 1
Mult.: 1

: 2,000

Resettable Fuses - PPTC 1.1A 30V 100A Imax

RUEF110
Littelfuse
1: $0.43
4,354In Stock
8,000Expected 2026/12/02

Mfr. Part No.
RUEF110

Mouser Part No
650-RUEF110

Littelfuse

Resettable Fuses - PPTC 1.1A 30V 100A Imax

Learn More

Datasheet

4,354In Stock

8,000Expected 2026/12/02

$0.43

$0.365

$0.314

$0.309

View

Min.: 1
Mult.: 1

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

RUEF110-AP
Littelfuse
1: $0.55
1,966In Stock

Mfr. Part No.
RUEF110-AP

Mouser Part No
650-RUEF110-AP

Littelfuse

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

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Datasheet

1,966In Stock

Cut Tape

$0.55

$0.504

$0.419

$0.385

View

Reel

$0.237

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

Resettable Fuses - PPTC 1.1A 30V 40A Imax

RUEF110S
Littelfuse
1: $0.53
311In Stock

Mfr. Part No.
RUEF110S

Mouser Part No
650-RUEF110S

Littelfuse

Resettable Fuses - PPTC 1.1A 30V 40A Imax

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Datasheet

311In Stock

$0.53

$0.484

$0.401

$0.356

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC 1.35A 30V 40A Imax

RUEF135-2
Littelfuse
1: $0.57
4,420In Stock

Mfr. Part No.
RUEF135-2

Mouser Part No
650-RUEF135-2

Littelfuse

Resettable Fuses - PPTC 1.35A 30V 40A Imax

Learn More

Datasheet

4,420In Stock

Cut Tape

$0.57

$0.497

$0.43

$0.383

View

Reel

$0.287

Min.: 1
Mult.: 1

: 3,000

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

RUEF135-AP
Littelfuse
1: $0.49
2,910In 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

2,910In Stock

Cut Tape

$0.49

$0.458

$0.402

$0.381

Reel

$0.229

View

Min.: 1
Mult.: 1

: 2,000

Resettable Fuses - PPTC 1.35A 30V 40A Imax

RUEF135S
Littelfuse
1: $0.45
105In Stock

Mfr. Part No.
RUEF135S

Mouser Part No
650-RUEF135S

Littelfuse

Resettable Fuses - PPTC 1.35A 30V 40A Imax

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Datasheet

105In Stock

$0.45

$0.415

$0.344

$0.317

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC 1.6A 30V 100A Imax

RUEF160
Littelfuse
1: $0.49
152In Stock
16,300Expected 2026/08/17

Mfr. Part No.
RUEF160

Mouser Part No
650-RUEF160

Littelfuse

Resettable Fuses - PPTC 1.6A 30V 100A Imax

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Datasheet

152In Stock

16,300Expected 2026/08/17

$0.49

$0.447

$0.373

$0.334

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC 1.6A 30V 40A Imax

RUEF160S
Littelfuse
1: $0.461
679In Stock

Mfr. Part No.
RUEF160S

Mouser Part No
650-RUEF160S

Littelfuse

Resettable Fuses - PPTC 1.6A 30V 40A Imax

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Datasheet

679In Stock

$0.461

$0.423

$0.352

$0.326

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC 1.85A 30V 100A Imax

RUEF185-1
Littelfuse
1: $0.50
552In Stock

Mfr. Part No.
RUEF185-1

Mouser Part No
650-RUEF185-1

Littelfuse

Resettable Fuses - PPTC 1.85A 30V 100A Imax

Learn More

Datasheet

552In Stock

$0.50

$0.461

$0.383

$0.354

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC 1.85A 30V 40A Imax

RUEF185S
Littelfuse
1: $0.47
390In Stock

Mfr. Part No.
RUEF185S

Mouser Part No
650-RUEF185S

Littelfuse

Resettable Fuses - PPTC 1.85A 30V 40A Imax

Learn More

Datasheet

390In Stock

$0.47

$0.433

$0.359

$0.331

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC 2.5A 30V 100A Imax

RUEF250
Littelfuse
1: $0.49
3,475In Stock
25,500On Order

Mfr. Part No.
RUEF250

Mouser Part No
650-RUEF250

Littelfuse

Resettable Fuses - PPTC 2.5A 30V 100A Imax

Learn More

Datasheet

3,475In Stock

25,500On Order

$0.49

$0.415

$0.349

$0.323

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC 2.5A 30V 100A Imax

RUEF250S
Littelfuse
1: $0.49
376In Stock

Mfr. Part No.
RUEF250S

Mouser Part No
650-RUEF250S

Littelfuse

Resettable Fuses - PPTC 2.5A 30V 100A Imax

Learn More

Datasheet

376In Stock

$0.49

$0.444

$0.369

$0.34

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC 2.5A 30V 100A Imax UNCOATED

RUEF250U
Littelfuse
1: $0.49
2,251In Stock

Mfr. Part No.
RUEF250U

Mouser Part No
650-RUEF250U

Littelfuse

Resettable Fuses - PPTC 2.5A 30V 100A Imax UNCOATED

Learn More

Datasheet

2,251In Stock

$0.49

$0.444

$0.369

$0.34

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC 3A 30V 100A Imax

RUEF300-AP
Littelfuse
1: $0.64
2,275In Stock

Mfr. Part No.
RUEF300-AP

Mouser Part No
650-RUEF300-AP

Littelfuse

Resettable Fuses - PPTC 3A 30V 100A Imax

Learn More

Datasheet

2,275In Stock

$0.64

$0.59

$0.49

$0.451

Reel

$0.347

View

Min.: 1
Mult.: 1

: 1,000

Resettable Fuses - PPTC 80 mOhms 40 A 30 VDC - 40 C+ 85 C

RUEF300K
Littelfuse
1: $0.52
185In Stock

Mfr. Part No.
RUEF300K

Mouser Part No
650-RUEF300K

Littelfuse

Resettable Fuses - PPTC 80 mOhms 40 A 30 VDC - 40 C+ 85 C

Learn More

Datasheet

185In Stock

$0.52

$0.476

$0.395

$0.365

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC 3A 30V 100A Imax

RUEF300K-2
Littelfuse
1: $0.64
1,717In Stock
2,500Expected 2026/11/26

Mfr. Part No.
RUEF300K-2

Mouser Part No
650-RUEF300K-2

Littelfuse

Resettable Fuses - PPTC 3A 30V 100A Imax

Learn More

Datasheet

1,717In Stock

2,500Expected 2026/11/26

Cut Tape

$0.64

$0.59

$0.49

$0.451

Reel

$0.265

View

Min.: 1
Mult.: 1

: 2,500

Resettable Fuses - PPTC 4A 30V 40A Imax

RUEF400-1
Littelfuse
1: $0.64
921In Stock

Mfr. Part No.
RUEF400-1

Mouser Part No
650-RUEF400-1

Littelfuse

Resettable Fuses - PPTC 4A 30V 40A Imax

Learn More

Datasheet

921In Stock

$0.64

$0.588

$0.488

$0.451

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC 30V 4A-HD 100A RUEF

RUEF400-AP
Littelfuse
1: $0.75
789In Stock

Mfr. Part No.
RUEF400-AP

Mouser Part No
650-RUEF400-AP

Littelfuse

Resettable Fuses - PPTC 30V 4A-HD 100A RUEF

Learn More

Datasheet

789In Stock

Cut Tape

$0.75

$0.686

$0.57

$0.526

View

Reel

$0.344

Min.: 1
Mult.: 1

: 1,000

Resettable Fuses - PPTC 4A 30V 40A Imax

RUEF400K
Littelfuse
1: $0.611
922In Stock

Mfr. Part No.
RUEF400K

Mouser Part No
650-RUEF400K

Littelfuse

Resettable Fuses - PPTC 4A 30V 40A Imax

Learn More

Datasheet

922In Stock

$0.611

$0.542

$0.465

$0.426

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC 4A 30V 100A Imax

RUEF400K-2
Littelfuse
1: $0.75
2,071In Stock
3,000Expected 2026/09/10

Mfr. Part No.
RUEF400K-2

Mouser Part No
650-RUEF400K-2

Littelfuse

Resettable Fuses - PPTC 4A 30V 100A Imax

Learn More

Datasheet

2,071In Stock

3,000Expected 2026/09/10

Cut Tape

$0.75

$0.686

$0.57

$0.526

Reel

$0.393

View

Min.: 1
Mult.: 1

: 1,500

PLC Design Solutions

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