Modular Connectors / Ethernet Connectors

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Fit Family Connectors

Molex Fit Dual-Row Connectors provide a scalable power connectivity platform for wire-to-wire, wire-to-board, and board-to-board applications. Spanning Nano-Fit™, Micro-Fit™, Ultra-Fit™, Mini-Fit™, and Mega-Fit™ connector systems, these Molex series address a range of design challenges, from space-constrained devices to power-intensive equipment. Built-in features such as polarization, color coding, and keying help improve assembly efficiency and reduce the risk of mis-mating, while an optimized balance of connector size, current capacity, and reliability enables consistent performance across diverse applications.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (EUR) 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	Current Rating	Voltage Rating	Minimum Operating Temperature	Maximum Operating Temperature	Color	Tab Direction	Series	Packaging
Modular Connectors / Ethernet Connectors ModJack 125 Flgls LOPRO W/O CLIP 8/8 42878-8506 Molex 1: 1,77 € 2.327In Stock	Mfr. Part No. 42878-8506 Mouser Part No 538-42878-8506	Molex	Modular Connectors / Ethernet Connectors ModJack 125 Flgls LOPRO W/O CLIP 8/8 Learn More about Molex standard modular jacks	Datasheet	2.327In Stock	1,77 €	Min.: 1 Mult.: 1	Connectors	Modular	Jack (Female)	RJ45	1x1	8P8C	Unshielded	Cat 3	Through Hole	Vertical	Solder	1.5 A	150 VAC	- 40 C	+ 85 C	Black	Top Entry	42878	Tray
Modular Connectors / Ethernet Connectors MODJK 062 VER LOPR W/O MTG EAR AU8 42878-1003 Molex 1: 1,67 € 2.340In Stock	Mfr. Part No. 42878-1003 Mouser Part No 538-42878-1003	Molex	Modular Connectors / Ethernet Connectors MODJK 062 VER LOPR W/O MTG EAR AU8 Learn More about Molex standard modular jacks	Datasheet	2.340In Stock	1,67 € 1,52 €	Min.: 1 Mult.: 1	Connectors	Modular	Jack (Female)	RJ45	1x1	8P8C	Unshielded	Cat 3	Through Hole	Vertical	Solder	1.5 A	150 VAC	- 40 C	+ 85 C	Black	Top Entry	42878	Tray
Modular Connectors / Ethernet Connectors VERT 6/6 RJ-11 flangeless low pro 42878-6218 Molex 1: 1,94 € 5.159In Stock	Mfr. Part No. 42878-6218 Mouser Part No 538-42878-6218	Molex	Modular Connectors / Ethernet Connectors VERT 6/6 RJ-11 flangeless low pro Learn More about Molex standard modular jacks	Datasheet	5.159In Stock	1,94 € 1,55 € 1,47 € 1,35 € View 1,26 € 1,23 €	Min.: 1 Mult.: 1	Connectors	Modular	Jack (Female)	RJ11	1x1	6P2C	Unshielded	Cat 3	Through Hole	Vertical	Solder	1.5 A	150 VAC	- 40 C	+ 85 C	Black	Top Entry	42878	Tray
Modular Connectors / Ethernet Connectors VERT 8/8 RJ-45 flush mount low pro 42878-8408 Molex 1: 1,61 € 1.463In Stock	Mfr. Part No. 42878-8408 Mouser Part No 538-42878-8408	Molex	Modular Connectors / Ethernet Connectors VERT 8/8 RJ-45 flush mount low pro Learn More about Molex standard modular jacks	Datasheet	1.463In Stock	1,61 € 1,52 €	Min.: 1 Mult.: 1	Connectors	Modular	Jack (Female)	RJ45	1x1	8P8C	Unshielded	Cat 3	Through Hole	Vertical	Solder	1.5 A	150 VAC	- 40 C	+ 85 C	Black	Top Entry	42878	Tray
Modular Connectors / Ethernet Connectors 8/8K W/O CLIP low profile 42878-8456 Molex 1: 1,44 € 2.664In Stock	Mfr. Part No. 42878-8456 Mouser Part No 538-42878-8456	Molex	Modular Connectors / Ethernet Connectors 8/8K W/O CLIP low profile Learn More about Molex standard modular jacks	Datasheet	2.664In Stock	1,44 € 1,13 € 1,03 € 1,01 € View 0,955 € 0,903 € 0,869 € 0,77 €	Min.: 1 Mult.: 1	Connectors	Modular	Jack (Female)	RJ45	1x1	8P8C	Unshielded	Cat 3	Through Hole	Vertical	Solder	1.5 A	150 VAC	- 40 C	+ 85 C	Black	Top Entry	42878	Tray
Modular Connectors / Ethernet Connectors ModJack 062 Flush LOPRO W/O CLIP 6/6 42878-6216 Molex 1: 1,60 € 1.133In Stock 2.800Expected 12/15/2026	Mfr. Part No. 42878-6216 Mouser Part No 538-42878-6216	Molex	Modular Connectors / Ethernet Connectors ModJack 062 Flush LOPRO W/O CLIP 6/6 Learn More about Molex kk	Datasheet	1.133In Stock 2.800Expected 12/15/2026	1,60 €	Min.: 1 Mult.: 1	Connectors	Modular	Jack (Female)	RJ11	1x1	6P2C	Unshielded	Cat 3	Through Hole	Vertical	Solder	1.5 A	150 VAC	- 40 C	+ 85 C	Black	Top Entry	42878	Tray
Modular Connectors / Ethernet Connectors VERT 4/2 PANEL STOP low profile 42878-4216 Molex 1: 1,63 € 767In Stock	Mfr. Part No. 42878-4216 Mouser Part No 538-42878-4216	Molex	Modular Connectors / Ethernet Connectors VERT 4/2 PANEL STOP low profile Learn More about Molex standard modular jacks	Datasheet	767In Stock	1,63 €	Min.: 1 Mult.: 1	Connectors	Modular	Jack (Female)	RJ45	1x1	4P2C	Unshielded	Cat 3	Through Hole	Vertical	Solder	1.5 A	150 VAC	- 40 C	+ 85 C	Black	Top Entry	42878	Tray
Modular Connectors / Ethernet Connectors VERT PCB 4/2 low profile 42878-4218 Molex 1: 1,42 € 297In Stock 1.960Expected 12/29/2026	Mfr. Part No. 42878-4218 Mouser Part No 538-42878-4218	Molex	Modular Connectors / Ethernet Connectors VERT PCB 4/2 low profile Learn More about Molex standard modular jacks	Datasheet	297In Stock 1.960Expected 12/29/2026	1,42 € 1,22 €	Min.: 1 Mult.: 1	Connectors	Modular	Jack (Female)		1x1	4P4C	Unshielded	Cat 3	Through Hole	Vertical	Solder	1.5 A	150 VAC	- 40 C	+ 85 C	Black	Top Entry	42878	Tray
Modular Connectors / Ethernet Connectors VERT 6/2 RJ-11 flangeless low pro 42878-6506 Molex 1: 1,06 € 3.013In Stock	Mfr. Part No. 42878-6506 Mouser Part No 538-42878-6506	Molex	Modular Connectors / Ethernet Connectors VERT 6/2 RJ-11 flangeless low pro Learn More about Molex standard modular jacks	Datasheet	3.013In Stock	1,06 € 0,98 € 0,946 € 0,814 € View 0,769 € 0,697 € 0,64 € 0,609 € 0,569 €	Min.: 1 Mult.: 1	Connectors	Modular	Jack (Female)	RJ11	1x1	6P2C	Unshielded	Cat 3	Through Hole	Vertical	Solder	1.5 A	150 VAC	- 40 C	+ 85 C	Black	Top Entry	42878	Tray
Modular Connectors / Ethernet Connectors ModJack 125 Flgls LoPro W/O Clip 8/2 42878-9370 Molex 1: 0,946 € 109In Stock	Mfr. Part No. 42878-9370 Mouser Part No 538-42878-9370	Molex	Modular Connectors / Ethernet Connectors ModJack 125 Flgls LoPro W/O Clip 8/2 Learn More about Molex standard modular jacks	Datasheet	109In Stock	0,946 € 0,801 € 0,768 € 0,733 €	Min.: 1 Mult.: 1	Connectors	Modular	Jack (Female)	RJ45	1x1	8P2C	Unshielded	Cat 3	Through Hole	Vertical	Solder	1.5 A	150 VAC	- 40 C	+ 85 C	Black	Top Entry	42878	Tray
Modular Connectors / Ethernet Connectors VERT 8/8 RJ-45 flangeless low pro 42878-8410 Molex 1: 1,60 € 17.133On Order	Mfr. Part No. 42878-8410 Mouser Part No 538-42878-8410	Molex	Modular Connectors / Ethernet Connectors VERT 8/8 RJ-45 flangeless low pro Learn More about Molex standard modular jacks	Datasheet	17.133On Order On Order Ship Dates Mfr. No: 42878-8410 Stock: 0 On Order: 3.903 Expected 12/21/2026 7.350 Expected 2/11/2027 5.880 Expected 2/16/2027 Factory Lead Time: 20 Weeks	1,60 € 1,56 € 1,54 €	Min.: 1 Mult.: 1	Connectors	Modular	Jack (Female)	RJ45	1x1	8P8C	Unshielded	Cat 3	Through Hole	Vertical	Solder	1.5 A	150 VAC	- 40 C	+ 85 C	Black	Top Entry	42878	Tray
Modular Connectors / Ethernet Connectors JK VERT .062 6/4 flangeless low pro 42878-6362 Molex 1: 1,53 € 5.038Expected 2/8/2027	Mfr. Part No. 42878-6362 Mouser Part No 538-42878-6362	Molex	Modular Connectors / Ethernet Connectors JK VERT .062 6/4 flangeless low pro Learn More about Molex standard modular jacks	Datasheet	5.038Expected 2/8/2027	1,53 €	Min.: 1 Mult.: 1	Connectors	Modular	Jack (Female)	RJ11	1x1		Unshielded	Cat 3		Vertical	Solder	1.5 A	150 VAC	- 40 C	+ 85 C	Black	Top Entry	42878	Tray
Modular Connectors / Ethernet Connectors 8/8K W/O CLIP flangeless lo pro 42878-8458 Molex 1.470: 1,63 € Non-Stocked	Mfr. Part No. 42878-8458 Mouser Part No 538-42878-8458	Molex	Modular Connectors / Ethernet Connectors 8/8K W/O CLIP flangeless lo pro Learn More about Molex standard modular jacks	Datasheet	Non-Stocked	1,63 €	Min.: 1.470 Mult.: 1.470	Connectors	Modular	Jack (Female)	RJ45	1x1	8P8C	Unshielded	Cat 3		Vertical	Solder	1.5 A	150 VAC	- 40 C	+ 85 C	Black	Top Entry	42878	Tray

Fit Family Connectors

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