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Industrial Communication & Control

Littelfuse Industrial Communication and Control provides protection for RS-485 and Ethernet applications. The Industrial RS-485 features the capability of driving multiple ports, a fast speed rating of 10Mbps, and a long-distance transmission of 1500. Industrial Ethernet provides a long-distance transmission of 100m, a 30W PoE+ rating, and a fast speed rating of 1Gbps. Littelfuse Industrial Communication and Control RS-485 and Ethernet devices are ideal for energy meters, factory automation, wind control, and human machine interface.

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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.
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 5MM 90V 3POLE SMT GDT GTCS35-900M-R05-2 Littelfuse 1: ¥274.1 775In Stock 1,000Expected 12/15/2026	Mfr. Part # GTCS35-900M-R05-2 Mouser Part # 650-GTCS35-900MR05-2	Littelfuse	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 5MM 90V 3POLE SMT GDT Learn More about Littelfuse gas discharge tubes	Datasheet	775In Stock 1,000Expected 12/15/2026	Cut Tape ¥274.1 ¥254.1 ¥210.9 ¥194.3 View Reel ¥157 ¥174.4 ¥169.4 ¥157 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Resettable Fuses - PPTC 60V 3A 25Ohms TRF250-055UT Littelfuse 1: ¥122.9 1,745In Stock	Mfr. Part # TRF250-055UT Mouser Part # 650-TRF250-055UT	Littelfuse	Resettable Fuses - PPTC 60V 3A 25Ohms Learn More about Littelfuse telecom ptcs	Datasheet	1,745In Stock	¥122.9 ¥112.3 ¥93.2 ¥86 View ¥77.2 ¥77.1 ¥65.6 ¥64.3	Min.: 1 Mult.: 1
Resettable Fuses - PPTC .08A 60UDE MAX 250Vrms MAX TRF250-080T Littelfuse 1: ¥124.6 1,010In Stock	Mfr. Part # TRF250-080T Mouser Part # 650-TRF250-080T	Littelfuse	Resettable Fuses - PPTC .08A 60UDE MAX 250Vrms MAX Learn More about Littelfuse telecom ptcs	Datasheet	1,010In Stock	¥124.6 ¥114.6 ¥95 ¥87.7 View ¥78.9 ¥72.6 ¥66.9 ¥61.6	Min.: 1 Mult.: 1
Resettable Fuses - PPTC 16 Ohms 3 A 60 VDC - 40 C+ 85 C TRF250-110U Littelfuse 1: ¥116.3 Non-Stocked Lead-Time 17 Weeks	Mfr. Part # TRF250-110U Mouser Part # 650-TRF250-110U	Littelfuse	Resettable Fuses - PPTC 16 Ohms 3 A 60 VDC - 40 C+ 85 C Learn More about Littelfuse telecom ptcs	Datasheet	Non-Stocked Lead-Time 17 Weeks	¥116.3 ¥107.1 ¥88.9 ¥82.1 View ¥73.7 ¥67.9 ¥62.6 ¥61.1	Min.: 1 Mult.: 1
Resettable Fuses - PPTC TRF250-110U-B-0.5-2 TRF250-110U-B-0.5-2 Littelfuse 1: ¥154.5 580In Stock	Mfr. Part # TRF250-110U-B-0.5-2 Mouser Part # 650-TRF250-110UB0.52	Littelfuse	Resettable Fuses - PPTC TRF250-110U-B-0.5-2 Learn More about Littelfuse telecom ptcs	Datasheet	580In Stock	Cut Tape ¥154.5 ¥141.2 ¥117.3 ¥108.1 View Reel ¥69.9 ¥97.2 ¥89.7 ¥69.9	Min.: 1 Mult.: 1 : 1,500
Resettable Fuses - PPTC 16 Ohms 3 A 60 V - 40 C+ 85 C TRF250-120T Littelfuse 1: ¥136.2 54In Stock	Mfr. Part # TRF250-120T Mouser Part # 650-TRF250-120T	Littelfuse	Resettable Fuses - PPTC 16 Ohms 3 A 60 V - 40 C+ 85 C Learn More about Littelfuse telecom ptcs	Datasheet	54In Stock	¥136.2 ¥125.6 ¥117.1 ¥95.3 View ¥85.7 ¥78.9 ¥72.8 ¥71.8 ¥67.4	Min.: 1 Mult.: 1
Resettable Fuses - PPTC .12A 60Vdc MAX 250Vrms TRF250-120U Littelfuse 1: ¥126.2 500In Stock	Mfr. Part # TRF250-120U Mouser Part # 650-TRF250-120U	Littelfuse	Resettable Fuses - PPTC .12A 60Vdc MAX 250Vrms Learn More about Littelfuse telecom ptcs	Datasheet	500In Stock	¥126.2 ¥115.4 ¥95.8 ¥88.5 View ¥79.6 ¥73.3 ¥67.4 ¥66.9	Min.: 1 Mult.: 1
Resettable Fuses - PPTC .12A 250V TRF250-120U-2 Littelfuse 1: ¥161.1 1,150In Stock	Mfr. Part # TRF250-120U-2 Mouser Part # 650-TRF250-120U-2	Littelfuse	Resettable Fuses - PPTC .12A 250V Learn More about Littelfuse telecom ptcs	Datasheet	1,150In Stock	Cut Tape ¥161.1 ¥138.9 ¥117.6 ¥105.8 View Reel ¥69.3 ¥95.8 ¥93.3 ¥69.3	Min.: 1 Mult.: 1 : 1,500
Resettable Fuses - PPTC 250V .145A-HD 3A MAX TRF250-145-2 Littelfuse 1: ¥124.6 989In Stock	Mfr. Part # TRF250-145-2 Mouser Part # 650-TRF250-145-2	Littelfuse	Resettable Fuses - PPTC 250V .145A-HD 3A MAX Learn More about Littelfuse telecom ptcs	Datasheet	989In Stock	Cut Tape ¥124.6 ¥113.6 ¥94.3 ¥87 Reel ¥70.3 View ¥78.2 ¥72.1 ¥70.1	Min.: 1 Mult.: 1 : 1,500
Resettable Fuses - PPTC .18A 250V TRF250-180 Littelfuse 1: ¥127.9 2,103In Stock	Mfr. Part # TRF250-180 Mouser Part # 650-TRF250-180	Littelfuse	Resettable Fuses - PPTC .18A 250V Learn More about Littelfuse telecom ptcs	Datasheet	2,103In Stock	¥127.9 ¥117.6 ¥98 ¥90.4 View ¥81.2 ¥74.7 ¥65.3 ¥63.8	Min.: 1 Mult.: 1
Resettable Fuses - PPTC .18A 250V TRF250-180-2 Littelfuse 1: ¥147.8 2,395In Stock	Mfr. Part # TRF250-180-2 Mouser Part # 650-TRF250-180-2	Littelfuse	Resettable Fuses - PPTC .18A 250V Learn More about Littelfuse telecom ptcs	Datasheet	2,395In Stock	Cut Tape ¥147.8 ¥135.2 ¥112.3 ¥103.6 View Reel ¥66.6 ¥93.2 ¥85.9 ¥66.6	Min.: 1 Mult.: 1 : 1,500
Resettable Fuses - PPTC Polyswitch 0.183A kinked TRF250-183 Littelfuse 1: ¥119.6 1,850In Stock	Mfr. Part # TRF250-183 Mouser Part # 650-TRF250-183	Littelfuse	Resettable Fuses - PPTC Polyswitch 0.183A kinked Learn More about Littelfuse telecom ptcs	Datasheet	1,850In Stock	¥119.6 ¥109.5 ¥90.9 ¥83.9 View ¥75.4 ¥69.4 ¥64.1 ¥62.5	Min.: 1 Mult.: 1
Resettable Fuses - PPTC Polyswitch 0.183A straight TRF250-183S Littelfuse 1: ¥119.6 499In Stock	Mfr. Part # TRF250-183S Mouser Part # 650-TRF250-183S	Littelfuse	Resettable Fuses - PPTC Polyswitch 0.183A straight Learn More about Littelfuse telecom ptcs	Datasheet	499In Stock	¥119.6 ¥109.5 ¥90.9 ¥83.9 View ¥75.4 ¥69.4 ¥64.1 ¥63.9	Min.: 1 Mult.: 1
Resettable Fuses - PPTC 100Vdc 10Arms PolySwitch Reset Dev TRF250-184 Littelfuse 1: ¥141.2 523In Stock	Mfr. Part # TRF250-184 Mouser Part # 650-TRF250-184	Littelfuse	Resettable Fuses - PPTC 100Vdc 10Arms PolySwitch Reset Dev Learn More about Littelfuse telecom ptcs	Datasheet	523In Stock	¥141.2 ¥130.2 ¥108.1 ¥99.8 View ¥89.7 ¥82.6 ¥76.1 ¥75.7	Min.: 1 Mult.: 1
Resettable Fuses - PPTC .12A 250V TRF250-120T-R2-B-0.5 Littelfuse 1: ¥141.2 464In Stock 10,000Expected 2/11/2027	Mfr. Part # TRF250-120T-R2-B-0.5 Mouser Part # 650-TRF250120TR2B.5	Littelfuse	Resettable Fuses - PPTC .12A 250V Learn More about Littelfuse telecom ptcs	Datasheet	464In Stock 10,000Expected 2/11/2027	¥141.2 ¥129.4 ¥107.3 ¥99 View ¥89 ¥82.1 ¥75.6 ¥70.4	Min.: 1 Mult.: 1
Resettable Fuses - PPTC 16 Ohms 3 A 60 VDC - 40 C+ 85 C TRF250-120T-RA-B-0.5 Littelfuse 1: ¥162.8 363In Stock	Mfr. Part # TRF250-120T-RA-B-0.5 Mouser Part # 650-TRF250120TRAB0.5	Littelfuse	Resettable Fuses - PPTC 16 Ohms 3 A 60 VDC - 40 C+ 85 C Learn More about Littelfuse telecom ptcs	Datasheet	363In Stock	¥162.8 ¥145.8 ¥120.8 ¥111.1 View ¥100 ¥78.7 ¥72.6 ¥71.9	Min.: 1 Mult.: 1
Resettable Fuses - PPTC 600V .15A-HD 3A MAX TRF600-150-RB Littelfuse 1: ¥186 1,239In Stock 2,500Expected 2/23/2027	Mfr. Part # TRF600-150-RB Mouser Part # 650-TRF600-150-RB	Littelfuse	Resettable Fuses - PPTC 600V .15A-HD 3A MAX Learn More about Littelfuse telecom ptcs	Datasheet	1,239In Stock 2,500Expected 2/23/2027	¥186 ¥172.7 ¥142.3 ¥131.4 View ¥121.1 ¥117.3 ¥102.5	Min.: 1 Mult.: 1
Resettable Fuses - PPTC .16A 250V DC 600V TRF600-160 Littelfuse 1: ¥187.7 1,596In Stock 2,500Expected 11/17/2026	Mfr. Part # TRF600-160 Mouser Part # 650-TRF600-160	Littelfuse	Resettable Fuses - PPTC .16A 250V DC 600V Learn More about Littelfuse telecom ptcs	Datasheet	1,596In Stock 2,500Expected 11/17/2026	¥187.7 ¥172.7 ¥142.7 ¥131.7 View ¥118.4 ¥109 ¥102.6	Min.: 1 Mult.: 1
Resettable Fuses - PPTC .16A 250Vdc 600V RMS TRF600-160-2 Littelfuse 1: ¥237.5 200In Stock	Mfr. Part # TRF600-160-2 Mouser Part # 650-TRF600-160-2	Littelfuse	Resettable Fuses - PPTC .16A 250Vdc 600V RMS Learn More about Littelfuse telecom ptcs	Datasheet	200In Stock	Cut Tape ¥237.5 ¥219.3 ¥181 ¥167.8 Reel ¥116.1 View ¥150.2 ¥105.6	Min.: 1 Mult.: 1 : 600
Resettable Fuses - PPTC 7 Ohms 3 A 250 VDC - 40 C+ 85 C TRF600-250 Littelfuse 1: ¥307.3 623In Stock 6,500On Order	Mfr. Part # TRF600-250 Mouser Part # 650-TRF600-250	Littelfuse	Resettable Fuses - PPTC 7 Ohms 3 A 250 VDC - 40 C+ 85 C Learn More about Littelfuse telecom ptcs	Datasheet	623In Stock 6,500On Order On Order Ship Dates Mfr. #: TRF600-250 Stock: 623 Can Ship Immediately On Order: 1,500 Expected 12/31/2026 5,000 Expected 1/25/2027 Factory Lead-Time: 17 Weeks	¥307.3 ¥284 ¥235.9 ¥217.6 View ¥196 ¥177.7 ¥145.2	Min.: 1 Mult.: 1
Resettable Fuses - PPTC 60V 3A 1.45Ohms TRF600-400 Littelfuse 1: ¥214.3 585In Stock	Mfr. Part # TRF600-400 Mouser Part # 650-TRF600-400	Littelfuse	Resettable Fuses - PPTC 60V 3A 1.45Ohms Learn More about Littelfuse telecom ptcs	Datasheet	585In Stock	¥214.3 ¥197.7 ¥164.1 ¥151.5 View ¥136 ¥125.2 ¥119.8	Min.: 1 Mult.: 1
Resettable Fuses - PPTC Polyswitch 0.26A Restive Range -2 TS250-130F-RA-2 Littelfuse 1: ¥225.9 116In Stock	Mfr. Part # TS250-130F-RA-2 Mouser Part # 650-TS250-130F-RA-2	Littelfuse	Resettable Fuses - PPTC Polyswitch 0.26A Restive Range -2 Learn More about Littelfuse telecom ptcs	Datasheet	116In Stock	Cut Tape ¥225.9 ¥209.3 ¥172.7 ¥159.3 View Reel ¥106.8 ¥143.2 ¥132 ¥106.8 MouseReel Available	Min.: 1 Mult.: 1 : 1,500
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 225-375V 2A GDT T/R 2 Term SG300 Littelfuse 1: ¥214.3 19,985On Order	Mfr. Part # SG300 Mouser Part # 576-SG300	Littelfuse	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 225-375V 2A GDT T/R 2 Term Learn More about Littelfuse sg series sgdt	Datasheet	19,985On Order On Order Ship Dates Mfr. #: SG300 Stock: 0 On Order: 9,985 Expected 3/1/2027 6,000 Expected 3/3/2027 4,000 Expected 4/5/2027 Factory Lead-Time: 17 Weeks	Cut Tape ¥214.3 ¥197.7 ¥162.9 ¥150.3 View Reel ¥118.9 ¥135.2 ¥127.2 ¥118.9 MouseReel Available	Min.: 1 Mult.: 1 : 2,000
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 5MM 75V 3POLE SMT GDT GTCS35-750M-R05-2 Littelfuse 1: ¥367.1 222In Stock 80,000On Order	Mfr. Part # GTCS35-750M-R05-2 Mouser Part # 650-GTCS35-750MR05-2	Littelfuse	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 5MM 75V 3POLE SMT GDT Learn More about Littelfuse gas discharge tubes	Datasheet	222In Stock 80,000On Order On Order Ship Dates Mfr. #: GTCS35-750M-R05-2 Stock: 222 Can Ship Immediately On Order: 28,000 Expected 12/28/2026 52,000 Expected 2/3/2027 Factory Lead-Time: 15 Weeks	Cut Tape ¥367.1 ¥305.6 ¥280.7 ¥234.2 View Reel ¥176.1 ¥215.9 ¥194.3 ¥189.4 ¥176.1 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 90V SMD Ultra Low 0.3pF CG690SM Littelfuse 1: ¥440.2 1,631Expected 1/25/2027	Mfr. Part # CG690SM Mouser Part # 576-CG690SM	Littelfuse	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 90V SMD Ultra Low 0.3pF Learn More about Littelfuse CG6 CG7 SMD gas discharge tubes	Datasheet	1,631Expected 1/25/2027	Cut Tape ¥440.2 ¥365.4 ¥337.2 ¥280.7 View Reel ¥215.9 ¥259.1 ¥230.9 ¥215.9 ¥215.9 MouseReel Available	Min.: 1 Mult.: 1 : 2,000

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Industrial Communication & Control

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