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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 (USD) Filter the results in the table by unit price based on your quantity.	Qty.
Coded Rotary Switches 10 FLUSH SCRDRV 0.1A 30VDC LW PRO DIP SW RTE1000V14 C&K 1: $4.08 4,457In Stock	Mfr. Part # RTE1000V14 Mouser Part # 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	$4.08 $3.69 $3.47 $3.21 View $2.75 $2.74 $2.54 $2.42	Min.: 1 Mult.: 1
Resettable Fuses - PPTC 4A 30V 100A Imax RUEF400K-2 Littelfuse 1: $0.79 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 $0.79 $0.684 $0.604 $0.512 Reel $0.347 View $0.472 $0.441 $0.332	Min.: 1 Mult.: 1 : 1,500
Coded Rotary Switches DIP / Rotary DIP RTE0400N04 C&K 1: $6.26 3,910In Stock	Mfr. Part # RTE0400N04 Mouser Part # 611-RTE0400N04	C&K	Coded Rotary Switches DIP / Rotary DIP Learn More about C&K ckswitches rte switches	Datasheet	3,910In Stock	$6.26 $5.28 $4.92 $4.42 View $4.24 $4.15 $4.08 $3.91 Quote	Min.: 1 Mult.: 1
Coded Rotary Switches 10 FLUSH SCRDRV 0.1A 30VDC LW PRO DIP SW RTE1000N14 C&K 1: $6.69 2,682In Stock	Mfr. Part # RTE1000N14 Mouser Part # 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	2,682In Stock	$6.69 $6.05 $5.67 $5.06 View $4.72 $4.45 $4.19 $4.01	Min.: 1 Mult.: 1
Resettable Fuses - PPTC 1.85A 30V 100A Imax RUEF185-2 Littelfuse 1: $0.59 4,301In 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	4,301In Stock	Cut Tape $0.59 $0.538 $0.447 $0.413 Reel $0.227 View $0.371 $0.342 $0.286 $0.222	Min.: 1 Mult.: 1 : 3,000
Resettable Fuses - PPTC .9A 30V 100A Imax RUEF090-2 Littelfuse 1: $0.53 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 $0.53 $0.458 $0.409 $0.354 View Reel $0.233 $0.323 $0.30 $0.275 $0.233	Min.: 1 Mult.: 1 : 3,000
Resettable Fuses - PPTC 1.6A 30V 40A Imax RUEF160-AP Littelfuse 1: $0.58 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 $0.58 $0.528 $0.439 $0.405 Reel $0.244 View $0.364 $0.336 $0.309 $0.225	Min.: 1 Mult.: 1 : 2,000
Resettable Fuses - PPTC 2.5A 30V 40A Imax Uncoated RUEF250U-2 Littelfuse 1: $0.55 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 $0.55 $0.427 $0.383 $0.353 Reel $0.249 View $0.33 $0.315 $0.283 $0.242	Min.: 1 Mult.: 1 : 3,000
Resettable Fuses - PPTC 9A 30V 40A Imax RUEF900K-2 Littelfuse 1: $1.39 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 $1.39 $1.28 $1.06 $0.977 Reel $0.639 View $0.878 $0.81 $0.574	Min.: 1 Mult.: 1 : 1,000
Resettable Fuses - PPTC 30V 40A 0.90W PolySwitch Reset Dev RUEF160S-RA Littelfuse 1: $0.52 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	$0.52 $0.394 $0.279 $0.271 View $0.229 $0.212 $0.203 $0.187 $0.173	Min.: 1 Mult.: 1
Resettable Fuses - PPTC 1.1A 30V 40A Imax RUEF110S-1 Littelfuse 1: $0.65 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 $0.65 $0.502 $0.471 $0.355 Reel $0.309 View $0.331 $0.27 $0.259 $0.225	Min.: 1 Mult.: 1 : 500
Coded Rotary Switches 16 FLUSH SCRDRV 0.1A 30VDC LW PRO DIP SW RTE1600G44 C&K 1: $5.04 373In Stock	Mfr. Part # RTE1600G44 Mouser Part # 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 $5.04 $4.21 $3.90 $3.41 Reel $2.87 View $3.21 $3.07 $2.75 MouseReel Available	Min.: 1 Mult.: 1 : 1,250
Power Switch ICs - Power Distribution 28V/6A Bi-directional load switch LS24062RQ23 Littelfuse 1: $3.08 3,621In Stock	Mfr. Part # LS24062RQ23 Mouser Part # 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 $3.08 $2.31 $2.12 $1.90 View Reel $1.65 $1.80 $1.77 $1.72 $1.70 $1.65 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: $5.04 6,347In Stock	Mfr. Part # RTE1000G14 Mouser Part # 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 $5.04 $4.21 $3.90 $3.48 Reel $2.88 View $3.23 $3.07 $2.75 MouseReel Available	Min.: 1 Mult.: 1 : 1,250
ESD Protection Diodes / TVS Diodes 12 KV .5pF Diode Array SP7538PUTG Littelfuse 1: $1.59 28,182In Stock	Mfr. Part # SP7538PUTG Mouser Part # 576-SP7538PUTG	Littelfuse	ESD Protection Diodes / TVS Diodes 12 KV .5pF Diode Array Learn More about Littelfuse sp0544t sp7538p	Datasheet	28,182In Stock	Cut Tape $1.59 $0.751 $0.649 $0.509 $0.483 Reel $0.394 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Coded Rotary Switches FLUSH SMT RTE0400G04 C&K 1: $5.89 3,965In Stock	Mfr. Part # RTE0400G04 Mouser Part # 611-RTE0400G04	C&K	Coded Rotary Switches FLUSH SMT Learn More about C&K ckswitches rte switches	Datasheet	3,965In Stock	Cut Tape $5.89 $5.14 $4.76 $4.18 Reel $3.53 View $3.96 $3.73 $3.37 MouseReel Available	Min.: 1 Mult.: 1 : 1,250
Coded Rotary Switches 10Pos BCD, Thru Hole RTE DIP Switch RTE1002V14 C&K 1: $5.82 1,076In Stock	Mfr. Part # RTE1002V14 Mouser Part # 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	$5.82 $5.08 $4.81 $4.39 View $4.02 $3.98 $3.82 $3.56 Quote	Min.: 1 Mult.: 1
Resettable Fuses - PPTC .9A 30V 100A Imax RUEF090 Littelfuse 1: $0.43 20,759In Stock	Mfr. Part # RUEF090 Mouser Part # 650-RUEF090	Littelfuse	Resettable Fuses - PPTC .9A 30V 100A Imax Learn More about Littelfuse radial leaded pptcs	Datasheet	20,759In Stock	$0.43 $0.397 $0.33 $0.304 View $0.274 $0.251 $0.233 $0.232 $0.216	Min.: 1 Mult.: 1
Resettable Fuses - PPTC 1.1A 30V 100A Imax RUEF110-2 Littelfuse 1: $0.55 6,720In 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	6,720In Stock	Cut Tape $0.55 $0.504 $0.419 $0.385 View Reel $0.237 $0.347 $0.32 $0.293 $0.237	Min.: 1 Mult.: 1 : 3,000
Resettable Fuses - PPTC 1.35A 30V 100A Imax RUEF135 Littelfuse 1: $0.45 35,240In 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	35,240In Stock	$0.45 $0.415 $0.344 $0.318 View $0.286 $0.263 $0.242 $0.226	Min.: 1 Mult.: 1
Resettable Fuses - PPTC 1.6A 30V 100A Imax RUEF160 Littelfuse 1: $0.49 14,804In 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	14,804In Stock	$0.49 $0.449 $0.373 $0.331 View $0.309 $0.284 $0.262 $0.26 $0.232	Min.: 1 Mult.: 1
Resettable Fuses - PPTC 1.85A 30V 100A Imax RUEF185 Littelfuse 1: $0.47 9,349In Stock 12,000Expected 12/31/2026	Mfr. Part # RUEF185 Mouser Part # 650-RUEF185	Littelfuse	Resettable Fuses - PPTC 1.85A 30V 100A Imax Learn More about Littelfuse radial leaded pptcs	Datasheet	9,349In Stock 12,000Expected 12/31/2026	$0.47 $0.432 $0.359 $0.331 View $0.298 $0.275 $0.253 $0.21	Min.: 1 Mult.: 1
Resettable Fuses - PPTC 2.5A 30V 100A Imax RUEF250-2 Littelfuse 1: $0.60 8,292In Stock 30,000Expected 11/30/2026	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	8,292In Stock 30,000Expected 11/30/2026	Cut Tape $0.60 $0.552 $0.458 $0.423 View Reel $0.262 $0.38 $0.351 $0.323 $0.262	Min.: 1 Mult.: 1 : 3,000
Resettable Fuses - PPTC 3A 30V 100A Imax RUEF300 Littelfuse 1: $0.52 34,224In Stock	Mfr. Part # RUEF300 Mouser Part # 650-RUEF300	Littelfuse	Resettable Fuses - PPTC 3A 30V 100A Imax Learn More about Littelfuse radial leaded pptcs	Datasheet	34,224In Stock	$0.52 $0.476 $0.395 $0.363 View $0.328 $0.301 $0.278 $0.263	Min.: 1 Mult.: 1
Resettable Fuses - PPTC 3A 30V 100A Imax RUEF300-2 Littelfuse 1: $0.64 6,022In Stock 7,500Expected 12/21/2026	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	6,022In Stock 7,500Expected 12/21/2026	Cut Tape $0.64 $0.589 $0.489 $0.451 View Reel $0.281 $0.406 $0.374 $0.345 $0.281	Min.: 1 Mult.: 1 : 2,500

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