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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 (IDR) Filter the results in the table by unit price based on your quantity.	Qty.
Resettable Fuses - PPTC 5A 30V 100A Imax RUEF500K-2 Littelfuse 1: Rp16.328 5.890In Stock	Mfr. Part No. RUEF500K-2 Mouser Part No 650-RUEF500K-2	Littelfuse	Resettable Fuses - PPTC 5A 30V 100A Imax Learn More about Littelfuse radial leaded pptcs	Datasheet	5.890In Stock	Cut Tape Rp16.328 Rp15.062 Rp12.494 Rp11.540 Reel Rp7.192 View Rp10.365 Rp9.558 Rp6.935	Min.: 1 Mult.: 1 : 1.500
Coded Rotary Switches 10 FLUSH SCRDRV 0.1A 30VDC LW PRO DIP SW RTE1000N14 C&K 1: Rp127.872 2.647In Stock	Mfr. Part No. RTE1000N14 Mouser Part No 611-RTE1000N14	C&K	Coded Rotary Switches 10 FLUSH SCRDRV 0.1A 30VDC LW PRO DIP SW Learn More about C&K ckswitches rte switches	Datasheet	2.647In Stock	Rp127.872 Rp112.278 Rp104.022 Rp92.831 View Rp86.593 Rp82.374 Rp75.402 Rp75.219	Min.: 1 Mult.: 1
Resettable Fuses - PPTC 1.85A 30V 100A Imax RUEF185-2 Littelfuse 1: Rp10.824 4.291In Stock	Mfr. Part No. RUEF185-2 Mouser Part No 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 Rp10.824 Rp9.870 Rp8.201 Rp7.577 Reel Rp4.183 View Rp6.806 Rp6.274 Rp5.779 Rp4.073	Min.: 1 Mult.: 1 : 3.000
Coded Rotary Switches 10 FLUSH SCRDRV 0.1A 30VDC LW PRO DIP SW RTE1000V14 C&K 1: Rp84.942 4.457In Stock	Mfr. Part No. RTE1000V14 Mouser Part No 611-RTE1000V14	C&K	Coded Rotary Switches 10 FLUSH SCRDRV 0.1A 30VDC LW PRO DIP SW Learn More about C&K ckswitches rte switches	Datasheet	4.457In Stock	Rp84.942 Rp75.219 Rp70.999 Rp63.844 View Rp58.707 Rp56.322 Rp52.286 Rp49.901	Min.: 1 Mult.: 1
Resettable Fuses - PPTC 4A 30V 100A Imax RUEF400K-2 Littelfuse 1: Rp12.292 3.000In Stock	Mfr. Part No. RUEF400K-2 Mouser Part No 650-RUEF400K-2	Littelfuse	Resettable Fuses - PPTC 4A 30V 100A Imax Learn More about Littelfuse radial leaded pptcs	Datasheet	3.000In Stock	Cut Tape Rp12.292 Rp10.641 Rp9.228 Rp8.421 Reel Rp6.366 View Rp7.724 Rp7.265 Rp5.871 Rp5.632	Min.: 1 Mult.: 1 : 1.500
Coded Rotary Switches DIP / Rotary DIP RTE0400N04 C&K 1: Rp116.497 3.910In Stock	Mfr. Part No. RTE0400N04 Mouser Part No 611-RTE0400N04	C&K	Coded Rotary Switches DIP / Rotary DIP Learn More about C&K ckswitches rte switches	Datasheet	3.910In Stock	Rp116.497 Rp99.435 Rp93.014 Rp84.025 View Rp82.924 Rp73.017 Quote	Min.: 1 Mult.: 1
Resettable Fuses - PPTC 1.6A 30V 40A Imax RUEF160-AP Littelfuse 1: Rp10.641 3.673In Stock	Mfr. Part No. RUEF160-AP Mouser Part No 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 Rp10.641 Rp9.687 Rp8.054 Rp7.430 Reel Rp4.476 View Rp6.678 Rp6.164 Rp5.669 Rp4.128	Min.: 1 Mult.: 1 : 2.000
Resettable Fuses - PPTC 2.5A 30V 40A Imax Uncoated RUEF250U-2 Littelfuse 1: Rp10.090 3.930In Stock	Mfr. Part No. RUEF250U-2 Mouser Part No 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 Rp10.090 Rp7.834 Rp7.027 Rp6.476 Reel Rp4.587 View Rp6.054 Rp5.779 Rp5.449 Rp4.440	Min.: 1 Mult.: 1 : 3.000
Resettable Fuses - PPTC 9A 30V 40A Imax RUEF900K-2 Littelfuse 1: Rp25.501 1.410In Stock	Mfr. Part No. RUEF900K-2 Mouser Part No 650-RUEF900K-2	Littelfuse	Resettable Fuses - PPTC 9A 30V 40A Imax Learn More about Littelfuse radial leaded pptcs	Datasheet	1.410In Stock	Cut Tape Rp25.501 Rp23.483 Rp19.263 Rp17.924 Reel Rp11.723 View Rp16.108 Rp14.860 Rp10.531	Min.: 1 Mult.: 1 : 1.000
Resettable Fuses - PPTC 30V 40A 0.90W PolySwitch Reset Dev RUEF160S-RA Littelfuse 1: Rp9.173 1.904In Stock	Mfr. Part No. RUEF160S-RA Mouser Part No 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	Rp9.173 Rp7.008 Rp5.907 Rp5.357 View Rp4.990 Rp4.220 Rp4.091 Rp3.761 Rp3.376	Min.: 1 Mult.: 1
Resettable Fuses - PPTC 1.1A 30V 40A Imax RUEF110S-1 Littelfuse 1: Rp11.375 834In Stock	Mfr. Part No. RUEF110S-1 Mouser Part No 650-RUEF110S-1	Littelfuse	Resettable Fuses - PPTC 1.1A 30V 40A Imax Learn More about Littelfuse indoor led protection	Datasheet	834In Stock	Cut Tape Rp11.375 Rp8.935 Rp7.540 Rp6.623 Reel Rp5.229 View Rp6.164 Rp5.045 Rp4.642 Rp4.165	Min.: 1 Mult.: 1 : 500
Coded Rotary Switches 10 FLUSH SCRDRV 0.1A 30VDC LW PRO DIP SW RTE1000G14 C&K 1: Rp92.464 6.347In Stock	Mfr. Part No. RTE1000G14 Mouser Part No 611-RTE1000G14	C&K	Coded Rotary Switches 10 FLUSH SCRDRV 0.1A 30VDC LW PRO DIP SW Learn More about C&K ckswitches rte switches	Datasheet	6.347In Stock	Cut Tape Rp92.464 Rp77.237 Rp71.549 Rp63.844 Reel Rp52.836 View Rp59.258 Rp56.322 Rp50.452 MouseReel Available	Min.: 1 Mult.: 1 : 1.250
Power Switch ICs - Power Distribution 28V/6A Bi-directional load switch LS24062RQ23 Littelfuse 1: Rp56.506 87In Stock 5.000Expected 09/12/2026	Mfr. Part No. LS24062RQ23 Mouser Part No 576-LS24062RQ23	Littelfuse	Power Switch ICs - Power Distribution 28V/6A Bi-directional load switch Learn More about Littelfuse ls24062rq23 bidirectional efuse	Datasheet	87In Stock 5.000Expected 09/12/2026	Cut Tape Rp56.506 Rp42.379 Rp38.894 Rp34.857 View Reel Rp30.271 Rp33.023 Rp32.472 Rp32.106 Rp31.739 Rp30.271 MouseReel Available	Min.: 1 Mult.: 1 : 5.000
ESD Protection Diodes / TVS Diodes 12 KV .5pF Diode Array SP7538PUTG Littelfuse 1: Rp29.170 27.931In Stock 18.000Expected 27/01/2027	Mfr. Part No. SP7538PUTG Mouser Part No 576-SP7538PUTG	Littelfuse	ESD Protection Diodes / TVS Diodes 12 KV .5pF Diode Array Learn More about Littelfuse sp0544t sp7538p	Datasheet	27.931In Stock 18.000Expected 27/01/2027	Cut Tape Rp29.170 Rp13.778 Rp11.907 Rp9.338 Rp8.861 Reel Rp7.228 MouseReel Available	Min.: 1 Mult.: 1 : 3.000
Coded Rotary Switches FLUSH SMT RTE0400G04 C&K 1: Rp108.058 3.892In Stock	Mfr. Part No. RTE0400G04 Mouser Part No 611-RTE0400G04	C&K	Coded Rotary Switches FLUSH SMT Learn More about C&K ckswitches rte switches	Datasheet	3.892In Stock	Cut Tape Rp108.058 Rp94.298 Rp87.327 Rp76.686 Reel Rp64.761 View Rp72.650 Rp68.431 Rp61.826 MouseReel Available	Min.: 1 Mult.: 1 : 1.250
Coded Rotary Switches 10Pos BCD, Thru Hole RTE DIP Switch RTE1002V14 C&K 1: Rp106.774 1.076In Stock	Mfr. Part No. RTE1002V14 Mouser Part No 611-RTE1002V14	C&K	Coded Rotary Switches 10Pos BCD, Thru Hole RTE DIP Switch Learn More about C&K ckswitches rte switches	Datasheet	1.076In Stock	Rp106.774 Rp93.198 Rp88.244 Rp80.539 View Rp73.751 Rp73.017 Rp70.082 Rp65.312 Quote	Min.: 1 Mult.: 1
Resettable Fuses - PPTC .9A 30V 100A Imax RUEF090 Littelfuse 1: Rp7.889 19.580In Stock	Mfr. Part No. RUEF090 Mouser Part No 650-RUEF090	Littelfuse	Resettable Fuses - PPTC .9A 30V 100A Imax Learn More about Littelfuse radial leaded pptcs	Datasheet	19.580In Stock	Rp7.889 Rp7.283 Rp6.054 Rp5.577 View Rp5.027 Rp4.605 Rp4.256 Rp3.963	Min.: 1 Mult.: 1
Resettable Fuses - PPTC 1.1A 30V 100A Imax RUEF110-2 Littelfuse 1: Rp10.090 6.715In Stock	Mfr. Part No. RUEF110-2 Mouser Part No 650-RUEF110-2	Littelfuse	Resettable Fuses - PPTC 1.1A 30V 100A Imax Learn More about Littelfuse radial leaded pptcs	Datasheet	6.715In Stock	Cut Tape Rp10.090 Rp9.246 Rp7.687 Rp7.063 View Reel Rp4.348 Rp6.366 Rp5.871 Rp5.375 Rp4.348	Min.: 1 Mult.: 1 : 3.000
Resettable Fuses - PPTC 1.35A 30V 100A Imax RUEF135 Littelfuse 1: Rp8.256 33.821In Stock	Mfr. Part No. RUEF135 Mouser Part No 650-RUEF135	Littelfuse	Resettable Fuses - PPTC 1.35A 30V 100A Imax Learn More about Littelfuse radial leaded pptcs	Datasheet	33.821In Stock	Rp8.256 Rp7.614 Rp6.311 Rp5.834 View Rp5.247 Rp4.825 Rp4.440 Rp4.146	Min.: 1 Mult.: 1
Resettable Fuses - PPTC 1.6A 30V 100A Imax RUEF160 Littelfuse 1: Rp8.439 14.519In Stock	Mfr. Part No. RUEF160 Mouser Part No 650-RUEF160	Littelfuse	Resettable Fuses - PPTC 1.6A 30V 100A Imax Learn More about Littelfuse radial leaded pptcs	Datasheet	14.519In Stock	Rp8.439 Rp7.760 Rp6.458 Rp5.706 View Rp5.357 Rp4.917 Rp4.550 Rp4.531 Rp4.256	Min.: 1 Mult.: 1
Resettable Fuses - PPTC 1.85A 30V 100A Imax RUEF185 Littelfuse 1: Rp9.173 20.700In Stock	Mfr. Part No. RUEF185 Mouser Part No 650-RUEF185	Littelfuse	Resettable Fuses - PPTC 1.85A 30V 100A Imax Learn More about Littelfuse radial leaded pptcs	Datasheet	20.700In Stock	Rp9.173 Rp8.219 Rp6.843 Rp5.540 View Rp5.229 Rp4.825 Rp4.642 Rp4.495 Rp4.348	Min.: 1 Mult.: 1
Resettable Fuses - PPTC 2.5A 30V 100A Imax RUEF250-2 Littelfuse 1: Rp11.008 7.975In Stock 30.000Expected 31/12/2026	Mfr. Part No. RUEF250-2 Mouser Part No 650-RUEF250-2	Littelfuse	Resettable Fuses - PPTC 2.5A 30V 100A Imax Learn More about Littelfuse radial leaded pptcs	Datasheet	7.975In Stock 30.000Expected 31/12/2026	Cut Tape Rp11.008 Rp10.127 Rp8.402 Rp7.760 View Reel Rp4.807 Rp6.971 Rp6.439 Rp5.926 Rp4.807	Min.: 1 Mult.: 1 : 3.000
Resettable Fuses - PPTC 3A 30V 100A Imax RUEF300 Littelfuse 1: Rp11.375 28.438In Stock	Mfr. Part No. RUEF300 Mouser Part No 650-RUEF300	Littelfuse	Resettable Fuses - PPTC 3A 30V 100A Imax Learn More about Littelfuse radial leaded pptcs	Datasheet	28.438In Stock	Rp11.375 Rp9.008 Rp7.687 Rp6.201 View Rp6.109 Rp5.596 Rp5.265 Rp5.045 Rp4.825	Min.: 1 Mult.: 1
Resettable Fuses - PPTC 3A 30V 100A Imax RUEF300-2 Littelfuse 1: Rp11.741 5.722In Stock 7.500Expected 11/01/2027	Mfr. Part No. RUEF300-2 Mouser Part No 650-RUEF300-2	Littelfuse	Resettable Fuses - PPTC 3A 30V 100A Imax Learn More about Littelfuse radial leaded pptcs	Datasheet	5.722In Stock 7.500Expected 11/01/2027	Cut Tape Rp11.741 Rp10.806 Rp8.971 Rp8.274 View Reel Rp5.155 Rp7.448 Rp6.861 Rp6.329 Rp5.155	Min.: 1 Mult.: 1 : 2.500
Resettable Fuses - PPTC 4A 30V 100A Imax RUEF400 Littelfuse 1: Rp11.191 16.834In Stock	Mfr. Part No. RUEF400 Mouser Part No 650-RUEF400	Littelfuse	Resettable Fuses - PPTC 4A 30V 100A Imax Learn More about Littelfuse radial leaded pptcs	Datasheet	16.834In Stock	Rp11.191 Rp10.274 Rp8.531 Rp7.724 View Rp7.082 Rp6.293 Rp5.779	Min.: 1 Mult.: 1

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