Circuit Protection – Mouser Japan

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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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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (JPY) Filter the results in the table by unit price based on your quantity.	Qty.
Resettable Fuses - PPTC .9A 30V 100A Imax RUEF090-2 Littelfuse 1: ¥89.7 4,538In Stock	Mfr. Part # RUEF090-2 Mouser Part # 650-RUEF090-2	Littelfuse	Resettable Fuses - PPTC .9A 30V 100A Imax Learn More about Littelfuse radial leaded pptcs	Datasheet	4,538In Stock	Cut Tape ¥89.7 ¥78.6 ¥68.6 ¥60.3 View Reel ¥38.7 ¥54.5 ¥50.5 ¥46.7 ¥38.7	Min.: 1 Mult.: 1 : 3,000
Resettable Fuses - PPTC 30V 900MA 100A RUEF RUEF090-AP Littelfuse 1: ¥78.1 1,264In Stock	Mfr. Part # RUEF090-AP Mouser Part # 650-RUEF090-AP	Littelfuse	Resettable Fuses - PPTC 30V 900MA 100A RUEF Learn More about Littelfuse radial leaded pptcs	Datasheet	1,264In Stock	Cut Tape ¥78.1 ¥70.8 ¥58.8 ¥54.3 Reel ¥41.5 View ¥48.8 ¥41.9 ¥41.4	Min.: 1 Mult.: 1 : 2,000
Resettable Fuses - PPTC 1.1A 30V 100A Imax RUEF110-2 Littelfuse 1: ¥91.4 5,065In Stock	Mfr. Part # RUEF110-2 Mouser Part # 650-RUEF110-2	Littelfuse	Resettable Fuses - PPTC 1.1A 30V 100A Imax Learn More about Littelfuse radial leaded pptcs	Datasheet	5,065In Stock	Cut Tape ¥91.4 ¥83.7 ¥69.6 ¥64.1 View Reel ¥39.4 ¥57.6 ¥53.2 ¥49.2 ¥39.4	Min.: 1 Mult.: 1 : 3,000
Resettable Fuses - PPTC 30V 1.1A-HD 100A RUEF RUEF110-AP Littelfuse 1: ¥91.4 1,966In Stock	Mfr. Part # RUEF110-AP Mouser Part # 650-RUEF110-AP	Littelfuse	Resettable Fuses - PPTC 30V 1.1A-HD 100A RUEF Learn More about Littelfuse radial leaded pptcs	Datasheet	1,966In Stock	Cut Tape ¥91.4 ¥83.7 ¥69.6 ¥64.1 View Reel ¥39.4 ¥57.6 ¥49.2 ¥39.4 MouseReel Available	Min.: 1 Mult.: 1 : 2,000
Resettable Fuses - PPTC 1.1A 30V 40A Imax RUEF110S Littelfuse 1: ¥73.1 311In Stock	Mfr. Part # RUEF110S Mouser Part # 650-RUEF110S	Littelfuse	Resettable Fuses - PPTC 1.1A 30V 40A Imax Learn More about Littelfuse radial leaded pptcs	Datasheet	311In Stock	¥73.1 ¥66.9 ¥55.5 ¥51.3 View ¥46.2 ¥42.4 ¥39 ¥37	Min.: 1 Mult.: 1
Resettable Fuses - PPTC 1.35A 30V 40A Imax RUEF135-2 Littelfuse 1: ¥94.7 4,170In Stock	Mfr. Part # RUEF135-2 Mouser Part # 650-RUEF135-2	Littelfuse	Resettable Fuses - PPTC 1.35A 30V 40A Imax Learn More about Littelfuse radial leaded pptcs	Datasheet	4,170In Stock	Cut Tape ¥94.7 ¥87 ¥81.6 ¥65.9 View Reel ¥40.5 ¥59.3 ¥54.6 ¥50.5 ¥40.5	Min.: 1 Mult.: 1 : 3,000
Resettable Fuses - PPTC 30V 1.35A-HD 100A RUEF RUEF135-AP Littelfuse 1: ¥94.7 2,910In Stock	Mfr. Part # RUEF135-AP Mouser Part # 650-RUEF135-AP	Littelfuse	Resettable Fuses - PPTC 30V 1.35A-HD 100A RUEF Learn More about Littelfuse radial leaded pptcs	Datasheet	2,910In Stock	Cut Tape ¥94.7 ¥86 ¥71.4 ¥65.9 View Reel ¥40.5 ¥59.3 ¥50.5 ¥40.5	Min.: 1 Mult.: 1 : 2,000
Resettable Fuses - PPTC 1.35A 30V 40A Imax RUEF135S Littelfuse 1: ¥89.7 80In Stock	Mfr. Part # RUEF135S Mouser Part # 650-RUEF135S	Littelfuse	Resettable Fuses - PPTC 1.35A 30V 40A Imax Learn More about Littelfuse radial leaded pptcs	Datasheet	80In Stock	¥89.7 ¥83.5 ¥68.6 ¥52.8 View ¥47.5 ¥43.7 ¥40.2	Min.: 1 Mult.: 1
Resettable Fuses - PPTC 1.6A 30V 40A Imax RUEF160-2 Littelfuse 1: ¥101.3 4,193In Stock	Mfr. Part # RUEF160-2 Mouser Part # 650-RUEF160-2	Littelfuse	Resettable Fuses - PPTC 1.6A 30V 40A Imax Learn More about Littelfuse radial leaded pptcs	Datasheet	4,193In Stock	Cut Tape ¥101.3 ¥93 ¥77.2 ¥71.3 View Reel ¥41.5 ¥64.1 ¥59.1 ¥54.5 ¥41.5	Min.: 1 Mult.: 1 : 3,000
Resettable Fuses - PPTC 1.6A 30V 40A Imax RUEF160S Littelfuse 1: ¥76.4 369In Stock 500Expected 11/11/2026	Mfr. Part # RUEF160S Mouser Part # 650-RUEF160S	Littelfuse	Resettable Fuses - PPTC 1.6A 30V 40A Imax Learn More about Littelfuse radial leaded pptcs	Datasheet	369In Stock 500Expected 11/11/2026	¥76.4 ¥70.3 ¥58.5 ¥54 View ¥48.5 ¥44.5 ¥41 ¥39.9	Min.: 1 Mult.: 1
Resettable Fuses - PPTC 1.85A 30V 100A Imax RUEF185-1 Littelfuse 1: ¥83.1 541In Stock	Mfr. Part # RUEF185-1 Mouser Part # 650-RUEF185-1	Littelfuse	Resettable Fuses - PPTC 1.85A 30V 100A Imax Learn More about Littelfuse radial leaded pptcs	Datasheet	541In Stock	¥83.1 ¥76.6 ¥63.6 ¥58.8 View ¥52.8 ¥48.5 ¥45 ¥44.8	Min.: 1 Mult.: 1
Resettable Fuses - PPTC 1.85A 30V 40A Imax RUEF185S Littelfuse 1: ¥83.1 390In Stock	Mfr. Part # RUEF185S Mouser Part # 650-RUEF185S	Littelfuse	Resettable Fuses - PPTC 1.85A 30V 40A Imax Learn More about Littelfuse radial leaded pptcs	Datasheet	390In Stock	¥83.1 ¥77.7 ¥71.8 ¥55 View ¥49.5 ¥45.5 ¥41.9	Min.: 1 Mult.: 1
Resettable Fuses - PPTC 30V 2.5A-HD 100A RUEF RUEF250-AP Littelfuse 1: ¥99.7 5,152In Stock	Mfr. Part # RUEF250-AP Mouser Part # 650-RUEF250-AP	Littelfuse	Resettable Fuses - PPTC 30V 2.5A-HD 100A RUEF Learn More about Littelfuse radial leaded pptcs	Datasheet	5,152In Stock	Cut Tape ¥99.7 ¥91.7 ¥76.1 ¥70.3 Reel ¥45 View ¥63.1 ¥53.7 ¥43.5	Min.: 1 Mult.: 1 : 2,000
Resettable Fuses - PPTC 2.5A 30V 100A Imax RUEF250S Littelfuse 1: ¥81.4 162In Stock 500Expected 1/18/2027	Mfr. Part # RUEF250S Mouser Part # 650-RUEF250S	Littelfuse	Resettable Fuses - PPTC 2.5A 30V 100A Imax Learn More about Littelfuse radial leaded pptcs	Datasheet	162In Stock 500Expected 1/18/2027	¥81.4 ¥73.7 ¥61.3 ¥56.5 View ¥50.8 ¥46.7 ¥43 ¥41.4	Min.: 1 Mult.: 1
Resettable Fuses - PPTC 2.5A 30V 100A Imax UNCOATED RUEF250U Littelfuse 1: ¥81.4 2,248In Stock	Mfr. Part # RUEF250U Mouser Part # 650-RUEF250U	Littelfuse	Resettable Fuses - PPTC 2.5A 30V 100A Imax UNCOATED Learn More about Littelfuse radial leaded pptcs	Datasheet	2,248In Stock	¥81.4 ¥73.7 ¥61.3 ¥56.5 View ¥50.8 ¥46.7 ¥43 ¥40.5	Min.: 1 Mult.: 1
Resettable Fuses - PPTC 3A 30V 100A Imax RUEF300-AP Littelfuse 1: ¥106.3 2,075In Stock	Mfr. Part # RUEF300-AP Mouser Part # 650-RUEF300-AP	Littelfuse	Resettable Fuses - PPTC 3A 30V 100A Imax Learn More about Littelfuse radial leaded pptcs	Datasheet	2,075In Stock	¥106.3 ¥98 ¥92 ¥74.9 Reel ¥49 View ¥67.4 ¥62.1 ¥46.7	Min.: 1 Mult.: 1 : 1,000
Resettable Fuses - PPTC 80 mOhms 40 A 30 VDC - 40 C+ 85 C RUEF300K Littelfuse 1: ¥91.4 32In Stock	Mfr. Part # RUEF300K Mouser Part # 650-RUEF300K	Littelfuse	Resettable Fuses - PPTC 80 mOhms 40 A 30 VDC - 40 C+ 85 C Learn More about Littelfuse radial leaded pptcs	Datasheet	32In Stock	¥91.4 ¥83.7 ¥69.6 ¥64.3 View ¥57.8 ¥53.2 ¥49 ¥48.7 ¥43.7	Min.: 1 Mult.: 1
Resettable Fuses - PPTC 3A 30V 100A Imax RUEF300K-2 Littelfuse 1: ¥106.3 1,138In Stock 5,000Expected 1/18/2027	Mfr. Part # RUEF300K-2 Mouser Part # 650-RUEF300K-2	Littelfuse	Resettable Fuses - PPTC 3A 30V 100A Imax Learn More about Littelfuse radial leaded pptcs	Datasheet	1,138In Stock 5,000Expected 1/18/2027	Cut Tape ¥106.3 ¥97.8 ¥81.2 ¥74.9 View Reel ¥46.7 ¥67.4 ¥62.1 ¥57.3 ¥46.7	Min.: 1 Mult.: 1 : 2,500
Resettable Fuses - PPTC 4A 30V 40A Imax RUEF400-1 Littelfuse 1: ¥106.3 763In Stock	Mfr. Part # RUEF400-1 Mouser Part # 650-RUEF400-1	Littelfuse	Resettable Fuses - PPTC 4A 30V 40A Imax Learn More about Littelfuse radial leaded pptcs	Datasheet	763In Stock	¥106.3 ¥97.7 ¥81.1 ¥74.9 View ¥67.3 ¥67.1 ¥57.1 ¥56.1	Min.: 1 Mult.: 1
Resettable Fuses - PPTC 30V 4A-HD 100A RUEF RUEF400-AP Littelfuse 1: ¥124.6 1,269In Stock	Mfr. Part # RUEF400-AP Mouser Part # 650-RUEF400-AP	Littelfuse	Resettable Fuses - PPTC 30V 4A-HD 100A RUEF Learn More about Littelfuse radial leaded pptcs	Datasheet	1,269In Stock	Cut Tape ¥124.6 ¥113.9 ¥94.7 ¥87.4 Reel ¥57.1 View ¥78.6 ¥72.4 ¥55.1	Min.: 1 Mult.: 1 : 1,000
Resettable Fuses - PPTC 4A 30V 40A Imax RUEF400K Littelfuse 1: ¥108 1,868In Stock	Mfr. Part # RUEF400K Mouser Part # 650-RUEF400K	Littelfuse	Resettable Fuses - PPTC 4A 30V 40A Imax Learn More about Littelfuse radial leaded pptcs	Datasheet	1,868In Stock	¥108 ¥98.5 ¥81.9 ¥75.6 View ¥67.9 ¥62.5 ¥57.6 ¥52.3	Min.: 1 Mult.: 1
Resettable Fuses - PPTC 5A 30V 40A Imax RUEF500-1 Littelfuse 1: ¥127.9 1,206In Stock	Mfr. Part # RUEF500-1 Mouser Part # 650-RUEF500-1	Littelfuse	Resettable Fuses - PPTC 5A 30V 40A Imax Learn More about Littelfuse radial leaded pptcs	Datasheet	1,206In Stock	¥127.9 ¥116.9 ¥97 ¥89.5 View ¥89.4 ¥88.9 ¥81.9 ¥68.3	Min.: 1 Mult.: 1
Resettable Fuses - PPTC 5A 30V 100A Imax RUEF500-2 Littelfuse 1: ¥147.8 3,100In Stock	Mfr. Part # RUEF500-2 Mouser Part # 650-RUEF500-2	Littelfuse	Resettable Fuses - PPTC 5A 30V 100A Imax Learn More about Littelfuse radial leaded pptcs	Datasheet	3,100In Stock	Cut Tape ¥147.8 ¥136.4 ¥113.1 ¥104.5 Reel ¥68.9 View ¥93.8 ¥86.5 ¥67.3	Min.: 1 Mult.: 1 : 1,500
Resettable Fuses - PPTC 5A 30V 40A Imax RUEF500K Littelfuse 1: ¥122.9 965In Stock 1,000Expected 11/17/2026	Mfr. Part # RUEF500K Mouser Part # 650-RUEF500K	Littelfuse	Resettable Fuses - PPTC 5A 30V 40A Imax Learn More about Littelfuse radial leaded pptcs	Datasheet	965In Stock 1,000Expected 11/17/2026	¥122.9 ¥112.3 ¥93.2 ¥86 View ¥77.1 ¥71.3 ¥71.1 ¥65.6	Min.: 1 Mult.: 1
Resettable Fuses - PPTC 6A 30V 40A Imax RUEF600-1 Littelfuse 1: ¥139.5 447In Stock	Mfr. Part # RUEF600-1 Mouser Part # 650-RUEF600-1	Littelfuse	Resettable Fuses - PPTC 6A 30V 40A Imax Learn More about Littelfuse radial leaded pptcs	Datasheet	447In Stock	¥139.5 ¥128.6 ¥106.8 ¥98.5 View ¥88.4 ¥81.6 ¥75.1	Min.: 1 Mult.: 1

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PLC Design Solutions

Types of Circuit Protection