Resettable Fuses - PPTC

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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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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (JPY) Filter the results in the table by unit price based on your quantity.	Qty.	Series	Mounting Style	Termination Style	Hold Current	Maximum Voltage	Trip Current	Current Rating - Max	Resistance	Minimum Operating Temperature	Maximum Operating Temperature	Lead Spacing	Packaging
Resettable Fuses - PPTC 9A 30V 100A Imax RUEF900 Littelfuse 1: ¥191 17,181In Stock	Mfr. Part # RUEF900 Mouser Part # 650-RUEF900	Littelfuse	Resettable Fuses - PPTC 9A 30V 100A Imax Learn More about Littelfuse radial leaded pptcs	Datasheet	17,181In Stock	¥191 ¥169.4 ¥143.7 ¥133 View ¥118.3 ¥110.1 ¥105.3	Min.: 1 Mult.: 1	RUEF	PCB Mount	Radial	9 A	30 VDC	18 A	100 A	20 mOhms	- 40 C	+ 85 C	10.9 mm	Bulk
Resettable Fuses - PPTC 5A 30V 100A Imax RUEF500K-2 Littelfuse 1: ¥147.8 5,890In Stock	Mfr. Part # RUEF500K-2 Mouser Part # 650-RUEF500K-2	Littelfuse	Resettable Fuses - PPTC 5A 30V 100A Imax Learn More about Littelfuse radial leaded pptcs	Datasheet	5,890In Stock	Cut Tape ¥147.8 ¥136.4 ¥113.1 ¥104.5 Reel ¥65.1 View ¥93.8 ¥86.5 ¥62.5 ¥60.6	Min.: 1 Mult.: 1 : 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
Resettable Fuses - PPTC 1.6A 30V 40A Imax RUEF160-AP Littelfuse 1: ¥96.3 3,673In Stock	Mfr. Part # RUEF160-AP Mouser Part # 650-RUEF160-AP	Littelfuse	Resettable Fuses - PPTC 1.6A 30V 40A Imax Learn More about Littelfuse radial leaded pptcs	Datasheet	3,673In Stock	Cut Tape ¥96.3 ¥87.7 ¥72.9 ¥67.3 Reel ¥40.5 View ¥60.5 ¥51.5 ¥37.4 ¥36.2	Min.: 1 Mult.: 1 : 2,000	RUEF	PCB Mount	Radial	1.6 A	30 VDC	3.2 A	100 A	110 mOhms	- 40 C	+ 85 C	5.8 mm	Reel, Cut Tape
Resettable Fuses - PPTC 2.5A 30V 40A Imax Uncoated RUEF250U-2 Littelfuse 1: ¥89.7 3,930In Stock	Mfr. Part # RUEF250U-2 Mouser Part # 650-RUEF250U-2	Littelfuse	Resettable Fuses - PPTC 2.5A 30V 40A Imax Uncoated Learn More about Littelfuse radial leaded pptcs	Datasheet	3,930In Stock	Cut Tape ¥89.7 ¥70.6 ¥62.3 ¥58.6 Reel ¥41.5 View ¥54.6 ¥52.2 ¥49.5 ¥40.2	Min.: 1 Mult.: 1 : 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
Resettable Fuses - PPTC 9A 30V 40A Imax RUEF900K-2 Littelfuse 1: ¥230.9 1,410In Stock	Mfr. Part # RUEF900K-2 Mouser Part # 650-RUEF900K-2	Littelfuse	Resettable Fuses - PPTC 9A 30V 40A Imax Learn More about Littelfuse radial leaded pptcs	Datasheet	1,410In Stock	Cut Tape ¥230.9 ¥212.6 ¥176.1 ¥162.3 Reel ¥106.1 View ¥145.8 ¥134.5 ¥95.3	Min.: 1 Mult.: 1 : 1,000	RUEF	PCB Mount	Radial	9 A	30 VDC	18 A	100 A	20 mOhms	- 40 C	+ 85 C	10.9 mm	Reel, Cut Tape
Resettable Fuses - PPTC 4A 30V 100A Imax RUEF400K-2 Littelfuse 1: ¥96.3 3,000In Stock	Mfr. Part # RUEF400K-2 Mouser Part # 650-RUEF400K-2	Littelfuse	Resettable Fuses - PPTC 4A 30V 100A Imax Learn More about Littelfuse radial leaded pptcs	Datasheet	3,000In Stock	Cut Tape ¥96.3 ¥87 ¥76.6 ¥71.4 Reel ¥54.1 View ¥66.3 ¥62.5 ¥51.2 ¥51	Min.: 1 Mult.: 1 : 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
Resettable Fuses - PPTC 1.85A 30V 100A Imax RUEF185-2 Littelfuse 1: ¥98 4,291In Stock	Mfr. Part # RUEF185-2 Mouser Part # 650-RUEF185-2	Littelfuse	Resettable Fuses - PPTC 1.85A 30V 100A Imax Learn More about Littelfuse radial leaded pptcs	Datasheet	4,291In Stock	Cut Tape ¥98 ¥89.4 ¥74.2 ¥68.6 Reel ¥37.9 View ¥61.6 ¥56.8 ¥49.5 ¥36.9	Min.: 1 Mult.: 1 : 3,000	RUEF	PCB Mount	Radial	1.85 A	30 VDC	3.7 A	100 A	90 mOhms	- 40 C	+ 85 C	5.8 mm	Reel, Cut Tape
Resettable Fuses - PPTC 1.1A 30V 40A Imax RUEF110S-1 Littelfuse 1: ¥103 834In Stock	Mfr. Part # RUEF110S-1 Mouser Part # 650-RUEF110S-1	Littelfuse	Resettable Fuses - PPTC 1.1A 30V 40A Imax Learn More about Littelfuse indoor led protection	Datasheet	834In Stock	Cut Tape ¥103 ¥80.9 ¥68.3 ¥60 Reel ¥45.7 View ¥53.8 ¥42 ¥37.7	Min.: 1 Mult.: 1 : 500	RUEF	PCB Mount	Radial	1.1 A	30 VDC	2.2 A	100 A	170 mOhms	- 40 C	+ 85 C	5.8 mm	Reel, Cut Tape
Resettable Fuses - PPTC 30V 40A 0.90W PolySwitch Reset Dev RUEF160S-RA Littelfuse 1: ¥83.1 1,904In Stock	Mfr. Part # RUEF160S-RA Mouser Part # 650-RUEF160S-RA	Littelfuse	Resettable Fuses - PPTC 30V 40A 0.90W PolySwitch Reset Dev Learn More about Littelfuse indoor led protection	Datasheet	1,904In Stock	¥83.1 ¥63.5 ¥53.5 ¥48.5 View ¥43.7 ¥36.9 ¥34.1 ¥30.6	Min.: 1 Mult.: 1	RUEF	PCB Mount	Radial	1.6 A	30 V	3.2 A	40 A	110 mOhms	- 40 C	+ 85 C
Resettable Fuses - PPTC .9A 30V 100A Imax RUEF090 Littelfuse 1: ¥71.4 18,440In Stock	Mfr. Part # RUEF090 Mouser Part # 650-RUEF090	Littelfuse	Resettable Fuses - PPTC .9A 30V 100A Imax Learn More about Littelfuse radial leaded pptcs	Datasheet	18,440In Stock	¥71.4 ¥65.9 ¥54.8 ¥50 View ¥45.5 ¥40.7 ¥38.4 ¥37 ¥35.9	Min.: 1 Mult.: 1	RUEF	PCB Mount	Radial	900 mA	30 VDC	1.8 A	100 A	220 mOhms	- 40 C	+ 85 C	5.8 mm	Bulk
Resettable Fuses - PPTC 1.35A 30V 100A Imax RUEF135 Littelfuse 1: ¥74.7 33,321In Stock	Mfr. Part # RUEF135 Mouser Part # 650-RUEF135	Littelfuse	Resettable Fuses - PPTC 1.35A 30V 100A Imax Learn More about Littelfuse radial leaded pptcs	Datasheet	33,321In Stock	¥74.7 ¥68.9 ¥57.1 ¥52.8 View ¥46.3 ¥43 ¥40.2 ¥37.5	Min.: 1 Mult.: 1	RUEF	PCB Mount	Radial	1.35 A	30 VDC	2.7 A	100 A	130 mOhms	- 40 C	+ 85 C	5.8 mm	Bulk
Resettable Fuses - PPTC 1.6A 30V 100A Imax RUEF160 Littelfuse 1: ¥76.4 13,509In Stock	Mfr. Part # RUEF160 Mouser Part # 650-RUEF160	Littelfuse	Resettable Fuses - PPTC 1.6A 30V 100A Imax Learn More about Littelfuse radial leaded pptcs	Datasheet	13,509In Stock	¥76.4 ¥70.3 ¥58.5 ¥53.8 View ¥48.5 ¥44.5 ¥41 ¥38.5	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
Resettable Fuses - PPTC 1.85A 30V 100A Imax RUEF185 Littelfuse 1: ¥83.1 15,257In Stock 16,000Expected 2/25/2027	Mfr. Part # RUEF185 Mouser Part # 650-RUEF185	Littelfuse	Resettable Fuses - PPTC 1.85A 30V 100A Imax Learn More about Littelfuse radial leaded pptcs	Datasheet	15,257In Stock 16,000Expected 2/25/2027	¥83.1 ¥74.4 ¥62 ¥51.8 View ¥48.5 ¥44.5 ¥42 ¥40.7 ¥39.4	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
Resettable Fuses - PPTC 2.5A 30V 100A Imax RUEF250 Littelfuse 1: ¥84.7 53,370In Stock 7,000On Order	Mfr. Part # RUEF250 Mouser Part # 650-RUEF250	Littelfuse	Resettable Fuses - PPTC 2.5A 30V 100A Imax Learn More about Littelfuse radial leaded pptcs	Datasheet	53,370In Stock 7,000On Order	¥84.7 ¥78.2 ¥64.9 ¥57.1 View ¥53.8 ¥49 ¥45.7 ¥45.2 ¥40.5	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
Resettable Fuses - PPTC 2.5A 30V 100A Imax RUEF250-2 Littelfuse 1: ¥99.7 7,718In Stock 30,000Expected 1/18/2027	Mfr. Part # RUEF250-2 Mouser Part # 650-RUEF250-2	Littelfuse	Resettable Fuses - PPTC 2.5A 30V 100A Imax Learn More about Littelfuse radial leaded pptcs	Datasheet	7,718In Stock 30,000Expected 1/18/2027	Cut Tape ¥99.7 ¥91.7 ¥76.1 ¥70.3 View Reel ¥43.5 ¥63.1 ¥58.3 ¥53.7 ¥43.5	Min.: 1 Mult.: 1 : 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
Resettable Fuses - PPTC 3A 30V 100A Imax RUEF300 Littelfuse 1: ¥99.7 24,949In Stock 29,500Expected 1/25/2027	Mfr. Part # RUEF300 Mouser Part # 650-RUEF300	Littelfuse	Resettable Fuses - PPTC 3A 30V 100A Imax Learn More about Littelfuse radial leaded pptcs	Datasheet	24,949In Stock 29,500Expected 1/25/2027	¥99.7 ¥80.2 ¥69.6 ¥56.5 View ¥55.1 ¥47.7 ¥45 ¥43.9 ¥43.7	Min.: 1 Mult.: 1	RUEF	PCB Mount	Radial	3 A	30 VDC	6 A	100 A	80 mOhms	- 40 C	+ 85 C	5.8 mm	Bulk
Resettable Fuses - PPTC 3A 30V 100A Imax RUEF300-2 Littelfuse 1: ¥106.3 13,222In Stock	Mfr. Part # RUEF300-2 Mouser Part # 650-RUEF300-2	Littelfuse	Resettable Fuses - PPTC 3A 30V 100A Imax Learn More about Littelfuse radial leaded pptcs	Datasheet	13,222In Stock	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	RUEF	PCB Mount	Radial	3 A	30 VDC	6 A	100 A	80 mOhms	- 40 C	+ 85 C	5.8 mm	Reel, Cut Tape
Resettable Fuses - PPTC 4A 30V 100A Imax RUEF400 Littelfuse 1: ¥101.3 16,350In Stock	Mfr. Part # RUEF400 Mouser Part # 650-RUEF400	Littelfuse	Resettable Fuses - PPTC 4A 30V 100A Imax Learn More about Littelfuse radial leaded pptcs	Datasheet	16,350In Stock	¥101.3 ¥93 ¥77.2 ¥71.3 View ¥64.1 ¥58.1 ¥52.8 ¥52.3	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
Resettable Fuses - PPTC 4A 30V 100A Imax RUEF400-2 Littelfuse 1: ¥131.2 4,933In Stock	Mfr. Part # RUEF400-2 Mouser Part # 650-RUEF400-2	Littelfuse	Resettable Fuses - PPTC 4A 30V 100A Imax Learn More about Littelfuse radial leaded pptcs	Datasheet	4,933In Stock	Cut Tape ¥131.2 ¥120.8 ¥100.3 ¥91 Reel ¥57.6 View ¥81.7 ¥74.4 ¥55.1	Min.: 1 Mult.: 1 : 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
Resettable Fuses - PPTC 5A 30V 100A Imax RUEF500 Littelfuse 1: ¥129.6 22,171In Stock	Mfr. Part # RUEF500 Mouser Part # 650-RUEF500	Littelfuse	Resettable Fuses - PPTC 5A 30V 100A Imax Learn More about Littelfuse radial leaded pptcs	Datasheet	22,171In Stock	¥129.6 ¥118.9 ¥98.7 ¥90.2 View ¥79.6 ¥73.9 ¥69.4 ¥68.4 ¥64.3	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
Resettable Fuses - PPTC 6A 30V 100A Imax RUEF600 Littelfuse 1: ¥129.6 21,003In Stock 19,250Expected 1/18/2027	Mfr. Part # RUEF600 Mouser Part # 650-RUEF600	Littelfuse	Resettable Fuses - PPTC 6A 30V 100A Imax Learn More about Littelfuse radial leaded pptcs	Datasheet	21,003In Stock 19,250Expected 1/18/2027	¥129.6 ¥119.6 ¥99.3 ¥91.7 View ¥82.2 ¥75.9 ¥69.9 ¥68.9	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
Resettable Fuses - PPTC 6A 30V 40A Imax RUEF600K-2 Littelfuse 1: ¥164.4 4,542In Stock	Mfr. Part # RUEF600K-2 Mouser Part # 650-RUEF600K-2	Littelfuse	Resettable Fuses - PPTC 6A 30V 40A Imax Learn More about Littelfuse radial leaded pptcs	Datasheet	4,542In Stock	Cut Tape ¥164.4 ¥151.6 ¥125.9 ¥116.1 Reel ¥75.9 View ¥104.5 ¥96.3 ¥75.6	Min.: 1 Mult.: 1 : 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
Resettable Fuses - PPTC 7A 30V 100A Imax RUEF700 Littelfuse 1: ¥142.8 10,211In Stock	Mfr. Part # RUEF700 Mouser Part # 650-RUEF700	Littelfuse	Resettable Fuses - PPTC 7A 30V 100A Imax Learn More about Littelfuse radial leaded pptcs	Datasheet	10,211In Stock	¥142.8 ¥130.9 ¥103.8 ¥97.8 View ¥90 ¥82.9 ¥76.4 ¥76.1	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
Resettable Fuses - PPTC 8A 30V 100A Imax RUEF800 Littelfuse 1: ¥156.1 5,191In Stock	Mfr. Part # RUEF800 Mouser Part # 650-RUEF800	Littelfuse	Resettable Fuses - PPTC 8A 30V 100A Imax Learn More about Littelfuse radial leaded pptcs	Datasheet	5,191In Stock	¥156.1 ¥138.7 ¥118.6 ¥101.7 View ¥95.2 ¥87.5 ¥83.7	Min.: 1 Mult.: 1	RUEF	PCB Mount	Radial	8 A	30 VDC	16 A	100 A	20 mOhms	- 40 C	+ 85 C	10.9 mm	Bulk
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	RUEF	PCB Mount	Radial	900 mA	30 VDC	1.8 A	100 A	220 mOhms	- 40 C	+ 85 C	5.8 mm	Reel, Cut Tape

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