Modular Connectors / Ethernet Connectors

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MRJR Ruggedized RJ Receptacle Connectors

Amphenol MRJR Ruggedized RJ Receptacle Connectors feature die-cast housings and IP67 sealing for Harsh environment applications. These connectors provide reliable performance in extreme conditions for demanding applications and mate with standard RJ plugs where Ethernet/IP protocol is used. The MRJR connectors protect against shock, vibration, and impact preventing distortion. A wide variety of mounting and termination options are available operating in a temperature range of -55°C to +105°C.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (PEN) Filter the results in the table by unit price based on your quantity.	Qty.	Product	Type	Gender	USOC Codes	Configuration	Number of Positions / Contacts per Port	Shielding	Performance Category	Mounting Style	Mounting Angle	Termination Style	IP Rating	Current Rating	Minimum Operating Temperature	Maximum Operating Temperature	Color	LED L / R Color	Tab Direction	Series	Packaging
Modular Connectors / Ethernet Connectors Rugged RJ45 R/A filtered MRJ678001 Amphenol Commercial Products 1: S/ 139.90 95In Stock	Mfr. Part # MRJ678001 Mouser Part # 523-MRJ678001	Amphenol Commercial Products	Modular Connectors / Ethernet Connectors Rugged RJ45 R/A filtered Learn More about Amphenol Commercial Products amphenol modular jacks	Datasheet	95In Stock	S/ 139.90 S/ 108.80 S/ 104.67 S/ 100.97	Min.: 1 Mult.: 1	Connectors	Modular	Jack (Female)	RJ45	1x1	8P8C	Shielded	Cat 5	Flange Mount	Right Angle		IP67	1.5 A	- 40 C	+ 105 C	Black		Tab Down	MRJ	Bulk
Modular Connectors / Ethernet Connectors Gen2 Rugged standard RJ Receptacle, IP67 MRJR5C810C Amphenol Commercial Products 1: S/ 65.94 93In Stock	Mfr. Part # MRJR5C810C Mouser Part # 523-MRJR5C810C	Amphenol Commercial Products	Modular Connectors / Ethernet Connectors Gen2 Rugged standard RJ Receptacle, IP67 Learn More about Amphenol Commercial Products amphenol mrj rj45 connectors	Datasheet	93In Stock	S/ 65.94 S/ 61.66 S/ 57.69 S/ 57.45	Min.: 1 Mult.: 1	Connectors	Rugged	Jack (Female)	RJ45				Cat 6a	PCB Mount	Right Angle	Through Hole	IP67	1.5 A	- 40 C	+ 105 C		Green / Yellow		MRJR	Bulk
Modular Connectors / Ethernet Connectors RJ45 VERTICAL;LED'S MRJ548101 Amphenol Commercial Products 1: S/ 50.25 186In Stock	Mfr. Part # MRJ548101 Mouser Part # 523-MRJ548101	Amphenol Commercial Products	Modular Connectors / Ethernet Connectors RJ45 VERTICAL;LED'S Learn More about Amphenol Commercial Products amphenol mrj rj45 connectors	Datasheet	186In Stock	S/ 50.25 S/ 46.98 S/ 44.61 S/ 35.62 S/ 35.30	Min.: 1 Mult.: 1	Connectors	Modular	Jack (Female)	RJ45	1x1	8P8C	Shielded	Cat 5	Flange Mount	Straight		IP67	1.5 A	- 40 C	+ 105 C	Black	Green / Yellow	Tab Down	MRJ	Tray
Modular Connectors / Ethernet Connectors Rugged RJ45 R/A MRJR53A101 Amphenol Commercial Products 1: S/ 69.83 30In Stock	Mfr. Part # MRJR53A101 Mouser Part # 523-MRJR53A101	Amphenol Commercial Products	Modular Connectors / Ethernet Connectors Rugged RJ45 R/A Learn More about Amphenol Commercial Products amphenol modular jacks	Datasheet	30In Stock	S/ 69.83 S/ 60.53 S/ 59.83 S/ 48.54 View S/ 47.49 S/ 47.06	Min.: 1 Mult.: 1	Connectors	Modular	Jack (Female)	RJ50	1x1	10P10C	Shielded	Cat 5	Flange Mount	Right Angle		IP67	1.5 A	- 40 C	+ 105 C	Black	Green / Yellow	Tab Down	MRJR	Bulk
Modular Connectors / Ethernet Connectors Recept RJ45 PCB Tail Vert Dust Cvr, 0 LE MRJ518001 Amphenol Commercial Products 1: S/ 63.99 2In Stock 72Expected 11/20/2026	Mfr. Part # MRJ518001 Mouser Part # 523-MRJ518001	Amphenol Commercial Products	Modular Connectors / Ethernet Connectors Recept RJ45 PCB Tail Vert Dust Cvr, 0 LE Learn More about Amphenol Commercial Products amphenol modular jacks	Datasheet	2In Stock 72Expected 11/20/2026	S/ 63.99 S/ 55.47 S/ 52.59 S/ 50.10 View S/ 46.17 S/ 44.84 S/ 44.34 S/ 43.56	Min.: 1 Mult.: 1	Connectors	Modular	Jack (Female)	RJ45	1x1	8P8C	Shielded	Cat 5	Panel Mount	Straight	Solder	IP67	1.5 A	- 40 C	+ 105 C			Tab Down	MRJ	Tray
Modular Connectors / Ethernet Connectors MRJ Series, Panel Gasket MRJ258A01BP Amphenol Commercial Products 1: S/ 2.02 130In Stock	Mfr. Part # MRJ258A01BP Mouser Part # 523-MRJ258A01BP	Amphenol Commercial Products	Modular Connectors / Ethernet Connectors MRJ Series, Panel Gasket Learn More about Amphenol Commercial Products amphenol mrj rj45 connectors	Datasheet	130In Stock	S/ 2.02 S/ 1.74 S/ 1.59 S/ 1.43 View S/ 1.21 S/ 1.13 S/ 1.09 S/ 1.06 S/ 1.04	Min.: 1 Mult.: 1	Accessories	Gasket					Unshielded							- 20 C	+ 180 C	Black			MRJ	Bulk
Modular Connectors / Ethernet Connectors MRJR334101-RggdRJ11Gen2RAonPCB MRJR334101 Amphenol Commercial Products 1: S/ 64.27 19In Stock	Mfr. Part # MRJR334101 Mouser Part # 523-MRJR334101	Amphenol Commercial Products	Modular Connectors / Ethernet Connectors MRJR334101-RggdRJ11Gen2RAonPCB Learn More about Amphenol Commercial Products amphenol modular jacks	Datasheet	19In Stock	S/ 64.27 S/ 56.99 S/ 54.81 S/ 43.48 View S/ 43.05 S/ 42.27 S/ 41.34	Min.: 1 Mult.: 1	Connectors	Modular	Jack (Female)	RJ11	1x1	6P4C	Shielded	Cat 5	Flange Mount	Right Angle		IP67	1.5 A	- 40 C	+ 105 C	Black	Green / Yellow	Tab Down	MRJR	Bulk
Modular Connectors / Ethernet Connectors Rugged RJ45 R/A MRJR5384M1 Amphenol Commercial Products 1: S/ 74.85 12In Stock	Mfr. Part # MRJR5384M1 Mouser Part # 523-MRJR5384M1	Amphenol Commercial Products	Modular Connectors / Ethernet Connectors Rugged RJ45 R/A Learn More about Amphenol Commercial Products amphenol rf harsh environment solutions	Datasheet	12In Stock	S/ 74.85 S/ 64.85 S/ 57.69 S/ 54.30 S/ 52.63	Min.: 1 Mult.: 1	Connectors	Modular	Jack (Female)	RJ45	1x1	8P8C	Shielded	Cat 5	Panel Mount	Right Angle	Solder		1.5 A	- 40 C	+ 105 C				MRJR	Bulk
Modular Connectors / Ethernet Connectors Rugged RJ45 R/A MRJR538501 Amphenol Commercial Products 1: S/ 74.89 60In Stock	Mfr. Part # MRJR538501 Mouser Part # 523-MRJR538501	Amphenol Commercial Products	Modular Connectors / Ethernet Connectors Rugged RJ45 R/A Learn More about Amphenol Commercial Products amphenol modular jacks	Datasheet	60In Stock	S/ 74.89 S/ 64.93 S/ 61.54 S/ 60.61 View S/ 52.00 S/ 50.84 S/ 50.45	Min.: 1 Mult.: 1	Connectors	Modular	Jack (Female)	RJ45	1x1	8P8C	Shielded	Cat 5	Panel Mount	Right Angle	Solder		1.5 A	- 40 C	+ 105 C				MRJR	Bulk
Modular Connectors / Ethernet Connectors Rugged RJ45 R/A MRJR538401 Amphenol Commercial Products 1: S/ 67.46 74In Stock	Mfr. Part # MRJR538401 Mouser Part # 523-MRJR538401	Amphenol Commercial Products	Modular Connectors / Ethernet Connectors Rugged RJ45 R/A Learn More about Amphenol Commercial Products amphenol modular jacks	Datasheet	74In Stock	S/ 67.46 S/ 61.74 S/ 56.48 S/ 51.19 View S/ 49.16 S/ 47.06	Min.: 1 Mult.: 1	Connectors	Modular	Jack (Female)	RJ45	1x1	8P8C	Shielded	Cat 5	Flange Mount	Right Angle		IP67	1.5 A	- 40 C	+ 105 C	Black	Yellow / Green	Tab Down	MRJR	Bulk
Modular Connectors / Ethernet Connectors RJ45 Mod Jack, 8 Pos Vertical, No LEDs MRJ548501 Amphenol Commercial Products 1: S/ 51.30 111In Stock	Mfr. Part # MRJ548501 Mouser Part # 523-MRJ-5485-01	Amphenol Commercial Products	Modular Connectors / Ethernet Connectors RJ45 Mod Jack, 8 Pos Vertical, No LEDs Learn More about Amphenol Commercial Products amphenol mrj rj45 connectors	Datasheet	111In Stock	S/ 51.30 S/ 46.55 S/ 45.39 S/ 41.73 View S/ 40.40 S/ 40.25 Quote	Min.: 1 Mult.: 1	Connectors	Modular	Jack (Female)	RJ45	1x1	8P8C	Shielded	Cat 5	Flange Mount	Straight		IP67	1.5 A	- 40 C	+ 105 C	Black	Green / Green	Tab Down	MRJ	Tray
Modular Connectors / Ethernet Connectors Epoxy Free IP67 RJ11 Vertical RJ11 4C6P MRJR-3440-0F Amphenol Commercial Products 1: S/ 52.20 105In Stock	Mfr. Part # MRJR-3440-0F Mouser Part # 523-MRJR-3440-0F	Amphenol Commercial Products	Modular Connectors / Ethernet Connectors Epoxy Free IP67 RJ11 Vertical RJ11 4C6P Learn More about Amphenol Commercial Products amphenol modular jacks	Datasheet	105In Stock	S/ 52.20 S/ 47.37 S/ 46.13 S/ 40.56 View S/ 37.68 Quote	Min.: 1 Mult.: 1	Connectors	Modular	Jack (Female)	RJ11, RJ12	1x1	4P4C	Shielded	Cat 5	Flange Mount	Straight		IP67	1.5 A	- 40 C	+ 105 C	Black		Tab Down	MRJR	Bulk
Modular Connectors / Ethernet Connectors Rugged RJ45 R/A MRJR5381B1 Amphenol Commercial Products 1: S/ 76.76 65In Stock	Mfr. Part # MRJR5381B1 Mouser Part # 523-MRJR5381B1	Amphenol Commercial Products	Modular Connectors / Ethernet Connectors Rugged RJ45 R/A Learn More about Amphenol Commercial Products amphenol rf harsh environment solutions	Datasheet	65In Stock	S/ 76.76 S/ 70.80 S/ 67.26 S/ 55.00 View S/ 53.83 S/ 53.33 Quote	Min.: 1 Mult.: 1	Connectors	Modular	Jack (Female)	RJ45	1x1	8P8C	Shielded	Cat 5	Panel Mount	Right Angle	Solder		1.5 A	- 40 C	+ 105 C		Green / Yellow		MRJR	Bulk
Modular Connectors / Ethernet Connectors RJ45 PCB RECPT RA IP67 NO LED NICKEL MRJ-5380-01 Amphenol Commercial Products 1: S/ 53.02 727In Stock 2,440Expected 11/20/2026	Mfr. Part # MRJ-5380-01 Mouser Part # 523-MRJ-5380-01	Amphenol Commercial Products	Modular Connectors / Ethernet Connectors RJ45 PCB RECPT RA IP67 NO LED NICKEL Learn More about Amphenol Commercial Products amphenol mrj rj45 connectors	Datasheet	727In Stock 2,440Expected 11/20/2026	S/ 53.02 S/ 46.71 S/ 43.79 S/ 41.10 View S/ 39.16 S/ 36.71 S/ 36.16	Min.: 1 Mult.: 1	Connectors	Modular	Jack (Female)	RJ45	1x1	8P8C	Shielded	Cat 5	Panel Mount	Right Angle	Solder	IP67	1.5 A	- 40 C	+ 105 C	Black			MRJ	Bulk
Modular Connectors / Ethernet Connectors RJ45 PCB Tail, Vert, No Dust Cover MRJ54810F Amphenol Commercial Products 1: S/ 59.75 142In Stock	Mfr. Part # MRJ54810F Mouser Part # 523-MRJ54810F	Amphenol Commercial Products	Modular Connectors / Ethernet Connectors RJ45 PCB Tail, Vert, No Dust Cover Learn More about Amphenol Commercial Products amphenol modular jacks	Datasheet	142In Stock	S/ 59.75 S/ 53.56 S/ 48.58 S/ 46.24 View S/ 44.65 S/ 42.82	Min.: 1 Mult.: 1	Connectors	Modular	Jack (Female)	RJ45	1x1	8P8C	Shielded	Cat 5	Flange Mount	Straight		IP67	1.5 A	- 40 C	+ 105 C	Black	Green / Yellow	Tab Down	MRJ	Bulk
Modular Connectors / Ethernet Connectors RJ45 PCB Tail R/A on PCB w/RA Cbl Header MRJ578101 Amphenol Commercial Products 1: S/ 122.34 63In Stock	Mfr. Part # MRJ578101 Mouser Part # 523-MRJ578101	Amphenol Commercial Products	Modular Connectors / Ethernet Connectors RJ45 PCB Tail R/A on PCB w/RA Cbl Header Learn More about Amphenol Commercial Products amphenol mrj rj45 connectors	Datasheet	63In Stock	S/ 122.34 S/ 102.80 S/ 98.36 S/ 94.78 View S/ 93.03 S/ 89.49	Min.: 1 Mult.: 1	Connectors	Modular	Jack (Female)	RJ45	1x1	8P8C	Shielded	Cat 5	Panel Mount	Right Angle	Screw	IP67	1.5 A	- 40 C	+ 105 C	Black	Green / Yellow	Tab Down	MRJ	Bulk
Modular Connectors / Ethernet Connectors RJ45 PCB Tail, R/A PCB w/RA Cbl Header MRJ5781M1 Amphenol Commercial Products 1: S/ 117.98 322In Stock	Mfr. Part # MRJ5781M1 Mouser Part # 523-MRJ5781M1	Amphenol Commercial Products	Modular Connectors / Ethernet Connectors RJ45 PCB Tail, R/A PCB w/RA Cbl Header Learn More about Amphenol Commercial Products amphenol modular jacks	Datasheet	322In Stock	S/ 117.98 S/ 105.49 S/ 99.38 S/ 97.62 S/ 96.50	Min.: 1 Mult.: 1	Connectors	Modular	Jack (Female)	RJ45	1x1	8P8C	Shielded	Cat 5	Flange Mount	Right Angle		IP67	1.5 A	- 40 C	+ 105 C	Black	Green / Yellow	Tab Down	MRJ	Bulk
Modular Connectors / Ethernet Connectors Epoxy Free RJ45 REC RA IP67 W/RJ45 Term. MRJR-5780-01 Amphenol Commercial Products 1: S/ 114.63 93In Stock	Mfr. Part # MRJR-5780-01 Mouser Part # 523-MRJR-5780-01	Amphenol Commercial Products	Modular Connectors / Ethernet Connectors Epoxy Free RJ45 REC RA IP67 W/RJ45 Term. Learn More about Amphenol Commercial Products amphenol modular jacks	Datasheet	93In Stock	S/ 114.63 S/ 103.89 S/ 98.91 S/ 93.89	Min.: 1 Mult.: 1	Connectors	Modular	Jack (Female)	RJ45	1x1	8P8C	Shielded	Cat 5	Panel Mount	Right Angle	Solder	IP67	1.5 A	- 40 C	+ 105 C	Black		Tab Up and Tab Down	MRJR	Bulk
Modular Connectors / Ethernet Connectors Rugged RJ45, Cat5e, Right Angle on PCB with standard RJ on the other side of PCB MRJR878001 Amphenol Commercial Products 1: S/ 115.10 161In Stock	Mfr. Part # MRJR878001 Mouser Part # 523-MRJR878001	Amphenol Commercial Products	Modular Connectors / Ethernet Connectors Rugged RJ45, Cat5e, Right Angle on PCB with standard RJ on the other side of PCB Learn More about Amphenol Commercial Products amphenol mrj rj45 connectors	Datasheet	161In Stock	S/ 115.10 S/ 97.82 S/ 91.67 S/ 87.31 View S/ 87.08 S/ 84.12 S/ 82.87 Quote	Min.: 1 Mult.: 1	Connectors	Modular	Jack (Female)	RJ45	1x1	8P8C	Shielded	Cat 5e	Flange Mount	Right Angle		IP67	1.5 A	- 40 C	+ 105 C	Black		Tab Down	MRJR	Bulk
Modular Connectors / Ethernet Connectors RJ45 dust cover MRJ258610BP Amphenol Commercial Products 1: S/ 5.61 721In Stock	Mfr. Part # MRJ258610BP Mouser Part # 523-MRJ-2586-10BP	Amphenol Commercial Products	Modular Connectors / Ethernet Connectors RJ45 dust cover Learn More about Amphenol Commercial Products amphenol mrj rj45 connectors	Datasheet	721In Stock	S/ 5.61 S/ 4.75 S/ 4.20 S/ 3.97 View S/ 3.73 S/ 3.58 S/ 3.43 S/ 3.20	Min.: 1 Mult.: 1	Accessories	Cap		RJ45			Unshielded							- 40 C	+ 105 C	Gray			MRJ	Bulk
Modular Connectors / Ethernet Connectors RJ RUGGED DUST COVER MRJ-2586-20BP Amphenol Commercial Products 1: S/ 5.53 1,151In Stock	Mfr. Part # MRJ-2586-20BP Mouser Part # 523-MRJ-2586-20BP	Amphenol Commercial Products	Modular Connectors / Ethernet Connectors RJ RUGGED DUST COVER Learn More about Amphenol Commercial Products amphenol modular jacks	Datasheet	1,151In Stock	S/ 5.53 S/ 4.87 S/ 4.52 S/ 4.24 View S/ 3.97 S/ 3.76 S/ 3.62 S/ 3.32 S/ 3.30	Min.: 1 Mult.: 1	Accessories	Dust Cover												- 40 C	+ 105 C	Black			MRJ	Bulk
Modular Connectors / Ethernet Connectors RUGGED RJ45 BOOT-PLUG MRJ-258E-11-BP Amphenol Commercial Products 1: S/ 7.63 426In Stock	Mfr. Part # MRJ-258E-11-BP Mouser Part # 523-MRJ-258E-11-BP	Amphenol Commercial Products	Modular Connectors / Ethernet Connectors RUGGED RJ45 BOOT-PLUG Learn More about Amphenol Commercial Products amphenol mrj rj45 connectors	Datasheet	426In Stock	S/ 7.63 S/ 6.54 S/ 5.49 S/ 5.37 View S/ 4.94 S/ 4.44 S/ 4.24	Min.: 1 Mult.: 1	Accessories	Boot	Jack (Female)											- 20 C	+ 200 C	Clear			MRJ	Bulk
Modular Connectors / Ethernet Connectors 8P Rugged Mod Jack R/A w/ Grn/Yllw LED MRJ-6381-01 Amphenol Commercial Products 1: S/ 99.26 39In Stock	Mfr. Part # MRJ-6381-01 Mouser Part # 523-MRJ-6381-01	Amphenol Commercial Products	Modular Connectors / Ethernet Connectors 8P Rugged Mod Jack R/A w/ Grn/Yllw LED Learn More about Amphenol Commercial Products amphenol modular jacks	Datasheet	39In Stock	S/ 99.26 S/ 85.01 S/ 79.02 S/ 73.80 View S/ 70.34 S/ 67.92 Quote	Min.: 1 Mult.: 1	Connectors	Modular	Jack (Female)	RJ45	1x1	8P8C	Shielded	Cat 5	Panel Mount	Right Angle	Solder		1.5 A	- 40 C	+ 105 C		Green / Yellow		MRJ	Bulk
Modular Connectors / Ethernet Connectors CONNECTOR DUST COVER GRAY RUBBER MOLD MRJ258601BP Amphenol Commercial Products 1: S/ 19.11 33In Stock	Mfr. Part # MRJ258601BP Mouser Part # 523-MRJ258601BP	Amphenol Commercial Products	Modular Connectors / Ethernet Connectors CONNECTOR DUST COVER GRAY RUBBER MOLD Learn More about Amphenol Commercial Products amphenol modular jacks	Datasheet	33In Stock	S/ 19.11 S/ 16.27 S/ 15.26 S/ 14.32 View S/ 13.62 S/ 12.77 S/ 12.22 S/ 11.72 S/ 11.48	Min.: 1 Mult.: 1	Accessories	Cap		RJ45			Unshielded							- 40 C	+ 105 C	Gray			MRJ	Bulk
Modular Connectors / Ethernet Connectors Dust Cover for Rugged RJ's MRJ258602BP Amphenol Commercial Products 1: S/ 16.89 31In Stock	Mfr. Part # MRJ258602BP Mouser Part # 523-MRJ258602BP	Amphenol Commercial Products	Modular Connectors / Ethernet Connectors Dust Cover for Rugged RJ's Learn More about Amphenol Commercial Products amphenol mrj rj45 connectors	Datasheet	31In Stock	S/ 16.89 S/ 14.36 S/ 12.69 S/ 12.03 View S/ 11.29 S/ 10.82 S/ 10.35 S/ 10.04	Min.: 1 Mult.: 1	Accessories	Cap		RJ45			Unshielded							- 40 C	+ 105 C	Black			MRJ	Bulk

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