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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 #

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

RTE1600V44
C&K
1: $5.79
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

$5.79

$4.56

$4.23

$3.94

View

Min.: 1
Mult.: 1

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

RUEF090-2
Littelfuse
1: $0.734
4,968In 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

4,968In Stock

Cut Tape

$0.734

$0.646

$0.562

$0.487

View

Reel

$0.317

Min.: 1
Mult.: 1

: 3,000

Resettable Fuses - PPTC 30V 900MA 100A RUEF

RUEF090-AP
Littelfuse
1: $0.639
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

$0.639

$0.579

$0.481

$0.445

Reel

$0.343

View

Min.: 1
Mult.: 1

: 2,000

Resettable Fuses - PPTC 1.1A 30V 100A Imax

RUEF110
Littelfuse
1: $0.585
7,145In Stock
8,000Expected 23/11/2026

Mfr. Part No.
RUEF110

Mouser Part No
650-RUEF110

Littelfuse

Resettable Fuses - PPTC 1.1A 30V 100A Imax

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Datasheet

7,145In Stock

8,000Expected 23/11/2026

$0.585

$0.496

$0.427

$0.42

View

Min.: 1
Mult.: 1

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

RUEF110-AP
Littelfuse
1: $0.748
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

$0.748

$0.685

$0.57

$0.524

View

Reel

$0.322

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

Resettable Fuses - PPTC 1.1A 30V 40A Imax

RUEF110S
Littelfuse
1: $0.721
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

$0.721

$0.658

$0.545

$0.484

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC 1.35A 30V 40A Imax

RUEF135-2
Littelfuse
1: $0.775
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

$0.775

$0.679

$0.585

$0.54

Reel

$0.31

View

Min.: 1
Mult.: 1

: 3,000

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

RUEF135-AP
Littelfuse
1: $0.666
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

$0.666

$0.623

$0.547

$0.518

Reel

$0.311

View

Min.: 1
Mult.: 1

: 2,000

Resettable Fuses - PPTC 1.35A 30V 40A Imax

RUEF135S
Littelfuse
1: $0.612
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

$0.612

$0.564

$0.468

$0.432

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC 1.6A 30V 100A Imax

RUEF160
Littelfuse
1: $0.626
16,452Expected 6/8/2026

Mfr. Part No.
RUEF160

Mouser Part No
650-RUEF160

Littelfuse

Resettable Fuses - PPTC 1.6A 30V 100A Imax

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Datasheet

16,452Expected 6/8/2026

$0.626

$0.575

$0.479

$0.442

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC 1.6A 30V 40A Imax

RUEF160S
Littelfuse
1: $0.626
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

$0.626

$0.575

$0.479

$0.442

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC 1.85A 30V 100A Imax

RUEF185-1
Littelfuse
1: $0.68
652In Stock

Mfr. Part No.
RUEF185-1

Mouser Part No
650-RUEF185-1

Littelfuse

Resettable Fuses - PPTC 1.85A 30V 100A Imax

Learn More

Datasheet

652In Stock

$0.68

$0.627

$0.521

$0.481

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC 1.85A 30V 40A Imax

RUEF185S
Littelfuse
1: $0.639
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

$0.639

$0.588

$0.488

$0.45

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC 2.5A 30V 100A Imax

RUEF250
Littelfuse
1: $0.666
5,360In 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

5,360In Stock

25,500On Order

$0.666

$0.564

$0.475

$0.439

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC 2.5A 30V 100A Imax

RUEF250S
Littelfuse
1: $0.666
386In Stock

Mfr. Part No.
RUEF250S

Mouser Part No
650-RUEF250S

Littelfuse

Resettable Fuses - PPTC 2.5A 30V 100A Imax

Learn More

Datasheet

386In Stock

$0.666

$0.604

$0.502

$0.462

View

Min.: 1
Mult.: 1

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

RUEF250U
Littelfuse
1: $0.666
2,254In Stock

Mfr. Part No.
RUEF250U

Mouser Part No
650-RUEF250U

Littelfuse

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

Learn More

Datasheet

2,254In Stock

$0.666

$0.604

$0.502

$0.462

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC 3A 30V 100A Imax

RUEF300-AP
Littelfuse
1: $0.87
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

$0.87

$0.801

$0.665

$0.613

Reel

$0.472

View

Min.: 1
Mult.: 1

: 1,000

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

RUEF300K
Littelfuse
1: $0.707
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

$0.707

$0.647

$0.537

$0.496

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC 3A 30V 100A Imax

RUEF300K-2
Littelfuse
1: $0.87
1,717In Stock
2,500Expected 26/11/2026

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 26/11/2026

Cut Tape

$0.87

$0.801

$0.665

$0.613

Reel

$0.36

View

Min.: 1
Mult.: 1

: 2,500

Resettable Fuses - PPTC 4A 30V 40A Imax

RUEF400-1
Littelfuse
1: $0.87
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

$0.87

$0.80

$0.664

$0.613

View

Min.: 1
Mult.: 1

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

RUEF400-AP
Littelfuse
1: $1.02
799In Stock

Mfr. Part No.
RUEF400-AP

Mouser Part No
650-RUEF400-AP

Littelfuse

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

Learn More

Datasheet

799In Stock

Cut Tape

$1.02

$0.933

$0.775

$0.715

View

Reel

$0.468

Min.: 1
Mult.: 1

: 1,000

Resettable Fuses - PPTC 4A 30V 40A Imax

RUEF400K
Littelfuse
1: $0.83
922In Stock

Mfr. Part No.
RUEF400K

Mouser Part No
650-RUEF400K

Littelfuse

Resettable Fuses - PPTC 4A 30V 40A Imax

Learn More

Datasheet

922In Stock

$0.83

$0.737

$0.632

$0.579

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC 4A 30V 100A Imax

RUEF400K-2
Littelfuse
1: $1.02
572In Stock
4,500On Order

Mfr. Part No.
RUEF400K-2

Mouser Part No
650-RUEF400K-2

Littelfuse

Resettable Fuses - PPTC 4A 30V 100A Imax

Learn More

Datasheet

572In Stock

4,500On Order

Cut Tape

$1.02

$0.908

$0.775

$0.68

View

Reel

$0.452

Min.: 1
Mult.: 1

: 1,500

Resettable Fuses - PPTC 5A 30V 40A Imax

RUEF500-1
Littelfuse
1: $1.05
1,286In Stock

Mfr. Part No.
RUEF500-1

Mouser Part No
650-RUEF500-1

Littelfuse

Resettable Fuses - PPTC 5A 30V 40A Imax

Learn More

Datasheet

1,286In Stock

$1.05

$0.957

$0.919

$0.865

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC 5A 30V 100A Imax

RUEF500-2
Littelfuse
1: $1.21
472In Stock
4,500On Order

Mfr. Part No.
RUEF500-2

Mouser Part No
650-RUEF500-2

Littelfuse

Resettable Fuses - PPTC 5A 30V 100A Imax

Learn More

Datasheet

472In Stock

4,500On Order

Cut Tape

$1.21

$1.03

$0.845

$0.843

Reel

$0.533

View

Min.: 1
Mult.: 1

: 1,500

PLC Design Solutions

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