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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Description Datasheet Availability Pricing (GBP) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model Series
Mounting Style
Termination Style
Hold Current
Maximum Voltage
Trip Current
Current Rating - Max
Resistance
Minimum Operating Temperature
Maximum Operating Temperature
Lead Spacing
Packaging
Littelfuse Resettable Fuses - PPTC 1.6A 30V 40A Imax
Datasheet
1,089In Stock
Min.: 1
Mult.: 1

RUEF PCB Mount Radial 1.6 A 30 VDC 3.2 A 100 A 110 mOhms - 40 C + 85 C 5.8 mm Bulk
Littelfuse Resettable Fuses - PPTC 1.85A 30V 100A Imax
Datasheet
202In Stock
500Expected 06/04/2026
Min.: 1
Mult.: 1

RUEF PCB Mount Radial 1.85 A 30 VDC 3.7 A 100 A 90 mOhms - 40 C + 85 C 5.8 mm Bulk
Littelfuse Resettable Fuses - PPTC 1.85A 30V 40A Imax
Datasheet
410In Stock
Min.: 1
Mult.: 1

RUEF PCB Mount Radial 1.85 A 30 VDC 3.7 A 100 A 90 mOhms - 40 C + 85 C 5.8 mm Bulk
Littelfuse Resettable Fuses - PPTC 2.5A 30V 100A Imax
Datasheet
4,394In Stock
2,500Expected 08/04/2026
Min.: 1
Mult.: 1

RUEF PCB Mount Radial 2.5 A 30 VDC 5 A 100 A 70 mOhms - 40 C + 85 C 5.8 mm Bulk
Littelfuse Resettable Fuses - PPTC 30V 2.5A-HD 100A RUEF
Datasheet
3,990In Stock
Min.: 1
Mult.: 1
Reel: 2,000

RUEF PCB Mount Radial 2.5 A 30 VDC 5 A 100 A 70 mOhms - 40 C + 85 C 5.8 mm Reel, Cut Tape
Littelfuse Resettable Fuses - PPTC 2.5A 30V 100A Imax
Datasheet
276In Stock
Min.: 1
Mult.: 1

RUEF PCB Mount Radial 2.5 A 30 VDC 5 A 100 A 70 mOhms - 40 C + 85 C 5.8 mm Bulk
Littelfuse Resettable Fuses - PPTC 2.5A 30V 100A Imax UNCOATED
Datasheet
2,054In Stock
Min.: 1
Mult.: 1

RUEF PCB Mount Radial 2.5 A 30 VDC 4.9 A 100 A 80 mOhms - 40 C + 85 C 5.8 mm Bulk
Littelfuse Resettable Fuses - PPTC 2.5A 30V 40A Imax Uncoated
Datasheet
4,482In Stock
Min.: 1
Mult.: 1
Reel: 3,000

RUEF PCB Mount Radial 2.5 A 30 VDC 5 A 100 A 70 mOhms - 40 C + 85 C 5.8 mm Reel, Cut Tape
Littelfuse Resettable Fuses - PPTC 3A 30V 100A Imax
Datasheet
4,696In Stock
Min.: 1
Mult.: 1
Reel: 2,500

RUEF PCB Mount Radial 3 A 30 VDC 6 A 100 A 80 mOhms - 40 C + 85 C 5.8 mm Reel, Cut Tape
Littelfuse Resettable Fuses - PPTC 3A 30V 100A Imax
Datasheet
2,313In Stock
Min.: 1
Mult.: 1
Reel: 1,000

RUEF PCB Mount Radial 3 A 30 VDC 6 A 100 A 80 mOhms - 40 C + 85 C 5.8 mm Ammo Pack
Littelfuse Resettable Fuses - PPTC 3A 30V 100A Imax
Datasheet
3,713In Stock
Min.: 1
Mult.: 1
Reel: 2,500

RUEF PCB Mount Radial 3 A 30 VDC 6 A 100 A 80 mOhms - 40 C + 85 C 5.8 mm Reel, Cut Tape
Littelfuse Resettable Fuses - PPTC 4A 30V 40A Imax
Datasheet
1,343In Stock
Min.: 1
Mult.: 1

RUEF PCB Mount Radial 4 A 30 VDC 8 A 40 A 50 mOhms - 40 C + 85 C 5.8 mm Bulk
Littelfuse Resettable Fuses - PPTC 4A 30V 100A Imax
Datasheet
3,321In Stock
Min.: 1
Mult.: 1
Reel: 1,500

RUEF PCB Mount Radial 4 A 30 VDC 8 A 100 A 50 mOhms - 40 C + 85 C 5.8 mm Reel, Cut Tape
Littelfuse Resettable Fuses - PPTC 30V 4A-HD 100A RUEF
Datasheet
810In Stock
1,000Expected 23/03/2026
Min.: 1
Mult.: 1
Reel: 1,000

RUEF PCB Mount Radial 4 A 30 VDC 8 A 100 A 50 mOhms - 40 C + 85 C 5.8 mm Reel, Cut Tape
Littelfuse Resettable Fuses - PPTC 4A 30V 40A Imax
Datasheet
668In Stock
Min.: 1
Mult.: 1

RUEF PCB Mount Radial 4 A 30 VDC 8 A 100 A 50 mOhms - 40 C + 85 C 5.8 mm Bulk
Littelfuse Resettable Fuses - PPTC 4A 30V 100A Imax
Datasheet
1,440In Stock
1,500Expected 23/03/2026
Min.: 1
Mult.: 1
Reel: 1,500

RUEF PCB Mount Radial 4 A 30 VDC 8 A 100 A 50 mOhms - 40 C + 85 C 5.8 mm Reel, Cut Tape
Littelfuse Resettable Fuses - PPTC 5A 30V 40A Imax
Datasheet
1,469In Stock
Min.: 1
Mult.: 1

RUEF PCB Mount Radial 5 A 30 VDC 10 A 100 A 50 mOhms - 40 C + 85 C 10.9 mm Bulk
Littelfuse Resettable Fuses - PPTC 5A 30V 100A Imax
Datasheet
2,481In Stock
Min.: 1
Mult.: 1
Reel: 1,500

RUEF PCB Mount Radial 5 A 30 VDC 10 A 100 A 50 mOhms - 40 C + 85 C 10.9 mm Reel, Cut Tape
Littelfuse Resettable Fuses - PPTC 5A 30V 40A Imax
Datasheet
420In Stock
Min.: 1
Mult.: 1

RUEF PCB Mount Radial 5 A 30 VDC 10 A 100 A 50 mOhms - 40 C + 85 C 10.9 mm Bulk
Littelfuse Resettable Fuses - PPTC 5A 30V 100A Imax
Datasheet
2,100In Stock
Min.: 1
Mult.: 1
Reel: 1,500

RUEF PCB Mount Radial 5 A 30 VDC 10 A 100 A 50 mOhms - 40 C + 85 C 10.9 mm Reel, Cut Tape
Littelfuse Resettable Fuses - PPTC 6A 30V 40A Imax
Datasheet
500In Stock
Min.: 1
Mult.: 1

RUEF PCB Mount Radial 6 A 30 V 12 A 40 A 40 mOhms - 40 C + 85 C Bulk
Littelfuse Resettable Fuses - PPTC 6A 30V 40A Imax
Datasheet
430In Stock
Min.: 1
Mult.: 1
Reel: 1,000

RUEF PCB Mount Radial 6 A 30 VDC 12 A 40 A 40 mOhms - 40 C + 85 C 10.9 mm Reel, Cut Tape
Littelfuse Resettable Fuses - PPTC 6A 30V 100A Imax
Datasheet
776In Stock
Min.: 1
Mult.: 1
Reel: 1,000

RUEF PCB Mount Radial 6 A 30 VDC 12 A 100 A 40 mOhms - 40 C + 85 C 10.9 mm Reel, Cut Tape
Littelfuse Resettable Fuses - PPTC 6A 30V 100A Imax
Datasheet
476In Stock
Min.: 1
Mult.: 1

RUEF PCB Mount Radial 6 A 30 VDC 12 A 100 A 40 mOhms - 40 C + 85 C 10.9 mm Bulk
Littelfuse Resettable Fuses - PPTC 7A 30V 100A Imax
Datasheet
2,909In Stock
5,000Expected 24/03/2026
Min.: 1
Mult.: 1

RUEF PCB Mount Radial 7 A 30 VDC 14 A 100 A 30 mOhms - 40 C + 85 C 10.9 mm Bulk