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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 (CHF) 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: CHF 0.716 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 CHF 0.716 CHF 0.661 CHF 0.548 CHF 0.506 View Reel CHF 0.326 CHF 0.455 CHF 0.419 CHF 0.326	Min.: 1 Mult.: 1 : 1’500
Coded Rotary Switches DIP / Rotary DIP RTE0400N04 C&K 1: CHF 5.11 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	CHF 5.11 CHF 4.36 CHF 4.08 CHF 3.69 View CHF 3.64 CHF 3.17 Quote	Min.: 1 Mult.: 1
Resettable Fuses - PPTC 1.6A 30V 40A Imax RUEF160-AP Littelfuse 1: CHF 0.467 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 CHF 0.467 CHF 0.425 CHF 0.354 CHF 0.326 Reel CHF 0.197 View CHF 0.293 CHF 0.271 CHF 0.249 CHF 0.183	Min.: 1 Mult.: 1 : 2’000
Resettable Fuses - PPTC 2.5A 30V 40A Imax Uncoated RUEF250U-2 Littelfuse 1: CHF 0.491 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 CHF 0.491 CHF 0.38 CHF 0.345 CHF 0.299 Reel CHF 0.207 View CHF 0.279 CHF 0.265 CHF 0.244 CHF 0.195	Min.: 1 Mult.: 1 : 3’000
Resettable Fuses - PPTC 9A 30V 40A Imax RUEF900K-2 Littelfuse 1: CHF 1.12 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 CHF 1.12 CHF 1.03 CHF 0.845 CHF 0.786 Reel CHF 0.515 View CHF 0.707 CHF 0.652 CHF 0.481	Min.: 1 Mult.: 1 : 1’000
Coded Rotary Switches 10 FLUSH SCRDRV 0.1A 30VDC LW PRO DIP SW RTE1000V14 C&K 1: CHF 3.43 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	CHF 3.43 CHF 3.11 CHF 2.91 CHF 2.68 View CHF 2.35 CHF 2.28 CHF 2.19 CHF 2.15	Min.: 1 Mult.: 1
Resettable Fuses - PPTC 4A 30V 100A Imax RUEF400K-2 Littelfuse 1: CHF 0.563 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 CHF 0.563 CHF 0.475 CHF 0.431 CHF 0.37 Reel CHF 0.279 View CHF 0.344 CHF 0.325 CHF 0.257 CHF 0.247	Min.: 1 Mult.: 1 : 1’500
Coded Rotary Switches 10 FLUSH SCRDRV 0.1A 30VDC LW PRO DIP SW RTE1000N14 C&K 1: CHF 5.61 2’679In 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	2’679In Stock	CHF 5.61 CHF 4.92 CHF 4.57 CHF 4.07 View CHF 3.80 CHF 3.61 CHF 3.30	Min.: 1 Mult.: 1
Resettable Fuses - PPTC 1.85A 30V 100A Imax RUEF185-2 Littelfuse 1: CHF 0.475 4’301In 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	4’301In Stock	Cut Tape CHF 0.475 CHF 0.433 CHF 0.359 CHF 0.332 View Reel CHF 0.236 CHF 0.299 CHF 0.275 CHF 0.254 CHF 0.236	Min.: 1 Mult.: 1 : 3’000
Resettable Fuses - PPTC 1.1A 30V 40A Imax RUEF110S-1 Littelfuse 1: CHF 0.523 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 CHF 0.523 CHF 0.404 CHF 0.379 CHF 0.285 Reel CHF 0.249 View CHF 0.267 CHF 0.217 CHF 0.209 CHF 0.182	Min.: 1 Mult.: 1 : 500
Resettable Fuses - PPTC 30V 40A 0.90W PolySwitch Reset Dev RUEF160S-RA Littelfuse 1: CHF 0.418 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	CHF 0.418 CHF 0.317 CHF 0.225 CHF 0.218 View CHF 0.184 CHF 0.17 CHF 0.164 CHF 0.151 CHF 0.139	Min.: 1 Mult.: 1
Coded Rotary Switches 16 FLUSH SCRDRV 0.1A 30VDC LW PRO DIP SW RTE1600G44 C&K 1: CHF 4.05 373In Stock	Mfr. Part No. RTE1600G44 Mouser Part No 611-RTE1600G44	C&K	Coded Rotary Switches 16 FLUSH SCRDRV 0.1A 30VDC LW PRO DIP SW Learn More about C&K ckswitches rte switches	Datasheet	373In Stock	Cut Tape CHF 4.05 CHF 3.39 CHF 3.14 CHF 2.80 View Reel CHF 2.35 CHF 2.60 CHF 2.47 CHF 2.35 MouseReel Available	Min.: 1 Mult.: 1 : 1’250
Power Switch ICs - Power Distribution 28V/6A Bi-directional load switch LS24062RQ23 Littelfuse 1: CHF 2.48 3’621In Stock	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	3’621In Stock	Cut Tape CHF 2.48 CHF 1.86 CHF 1.70 CHF 1.53 View Reel CHF 1.33 CHF 1.45 CHF 1.42 CHF 1.39 CHF 1.37 CHF 1.33 MouseReel Available	Min.: 1 Mult.: 1 : 5’000
Coded Rotary Switches 10 FLUSH SCRDRV 0.1A 30VDC LW PRO DIP SW RTE1000G14 C&K 1: CHF 4.05 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 CHF 4.05 CHF 3.39 CHF 3.14 CHF 2.80 Reel CHF 2.32 View CHF 2.60 CHF 2.47 CHF 2.22 MouseReel Available	Min.: 1 Mult.: 1 : 1’250
ESD Protection Diodes / TVS Diodes 12 KV .5pF Diode Array SP7538PUTG Littelfuse 1: CHF 1.28 28’182In Stock 18’000Expected 3/31/2027	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	28’182In Stock 18’000Expected 3/31/2027	Cut Tape CHF 1.28 CHF 0.605 CHF 0.522 CHF 0.41 CHF 0.388 Reel CHF 0.365 MouseReel Available	Min.: 1 Mult.: 1 : 3’000
Coded Rotary Switches FLUSH SMT RTE0400G04 C&K 1: CHF 4.75 3’890In 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	3’890In Stock	Cut Tape CHF 4.75 CHF 4.14 CHF 3.83 CHF 3.36 Reel CHF 2.85 View CHF 3.19 CHF 3.00 CHF 2.71 MouseReel Available	Min.: 1 Mult.: 1 : 1’250
Coded Rotary Switches 10Pos BCD, Thru Hole RTE DIP Switch RTE1002V14 C&K 1: CHF 4.69 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	CHF 4.69 CHF 4.09 CHF 3.88 CHF 3.54 View CHF 3.24 CHF 3.20 CHF 3.08 CHF 2.86 Quote	Min.: 1 Mult.: 1
Resettable Fuses - PPTC .9A 30V 100A Imax RUEF090 Littelfuse 1: CHF 0.346 20’619In 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	20’619In Stock	CHF 0.346 CHF 0.319 CHF 0.266 CHF 0.244 View CHF 0.221 CHF 0.205	Min.: 1 Mult.: 1
Resettable Fuses - PPTC 1.1A 30V 100A Imax RUEF110-2 Littelfuse 1: CHF 0.443 6’720In 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	6’720In Stock	Cut Tape CHF 0.443 CHF 0.405 CHF 0.337 CHF 0.31 View Reel CHF 0.225 CHF 0.279 CHF 0.257 CHF 0.236 CHF 0.225	Min.: 1 Mult.: 1 : 3’000
Resettable Fuses - PPTC 1.35A 30V 100A Imax RUEF135 Littelfuse 1: CHF 0.362 34’290In 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	34’290In Stock	CHF 0.362 CHF 0.334 CHF 0.277 CHF 0.256 View CHF 0.23 CHF 0.212 CHF 0.195 CHF 0.182	Min.: 1 Mult.: 1
Resettable Fuses - PPTC 1.6A 30V 100A Imax RUEF160 Littelfuse 1: CHF 0.394 14’669In 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	14’669In Stock	CHF 0.394 CHF 0.361 CHF 0.30 CHF 0.267 View CHF 0.249 CHF 0.228 CHF 0.22	Min.: 1 Mult.: 1
Resettable Fuses - PPTC 1.85A 30V 100A Imax RUEF185 Littelfuse 1: CHF 0.402 8’741In Stock 12’000Expected 10/13/2026	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	8’741In Stock 12’000Expected 10/13/2026	CHF 0.402 CHF 0.369 CHF 0.306 CHF 0.251 View CHF 0.235 CHF 0.225	Min.: 1 Mult.: 1
Resettable Fuses - PPTC 2.5A 30V 100A Imax RUEF250-2 Littelfuse 1: CHF 0.483 8’225In Stock 30’000Expected 12/31/2026	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	8’225In Stock 30’000Expected 12/31/2026	Cut Tape CHF 0.483 CHF 0.445 CHF 0.369 CHF 0.341 View Reel CHF 0.214 CHF 0.306 CHF 0.283 CHF 0.26 CHF 0.214	Min.: 1 Mult.: 1 : 3’000
Resettable Fuses - PPTC 3A 30V 100A Imax RUEF300 Littelfuse 1: CHF 0.418 32’393In 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	32’393In Stock	CHF 0.418 CHF 0.383 CHF 0.318 CHF 0.292 View CHF 0.264 CHF 0.242 CHF 0.224 CHF 0.212	Min.: 1 Mult.: 1
Resettable Fuses - PPTC 3A 30V 100A Imax RUEF300-2 Littelfuse 1: CHF 0.515 5’722In Stock 7’500Expected 12/21/2026	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 12/21/2026	Cut Tape CHF 0.515 CHF 0.475 CHF 0.394 CHF 0.363 View Reel CHF 0.227 CHF 0.327 CHF 0.301 CHF 0.278 CHF 0.227	Min.: 1 Mult.: 1 : 2’500

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